Mosebetsi oa Testosterone le Erectile: Ho tloha ho Pholoso ea Mantlha ho Pholisi ea Meriana e Mecha ea ho Laola Metsoalle le Androgen Insufficiency le Erectile Dysfunction (2007)

Mosebetsi oa Testosterone le Erectile: Ho tloha ho Patlisiso ea Motheo ho ea ho Clinical Paradigm e Ntle bakeng sa Tsamaiso ea Banna ba nang le Androgen Insuffasure le Erectile Dysfunction

Euro Urol. Sengoloa se ngotsoeng; e fumaneha ho PMC 2008 Mphalane 7.

Euro Urol. 2007 Phupu; 52 (1): 54-70.

Abdulmaged M. Traish, ab * Irwin Goldstein, c le Noel N. Kimb

inahaneloang

maikemisetso

Androgens ke ea bohlokoa molemong oa kholo le kholo ea botona, mme ba laola physology ea erectile ka methati e mengata. Morero oa rona ke ho fana ka kakaretso e akaretsang ea lipatlisiso tsa mantlha le hore na tsebo ena e ka fetoleloa joang ho paradigm e ncha ea bongaka bakeng sa taolo ea bakuli. Ntle le moo, paradigm ena e ncha e ka sebetsa e le motheo oa ho tsosa khang e matlafatsang mabapi le ts'ebeliso ea testosterone ho banna, le ho khothaletsa lipatlisiso tse ncha, tse ncha tsa motheo le tsa kliniki ho utloisisa ka ho hlaka mekhoa e thehiloeng ketsong ea androgen ea ho khutlisa physolo ea erectile.

mekhoa

Tlhahlobo ea lingoliloeng e ile ea etsoa ho sebelisoa polokelo ea nalane ea libuka ea Amerika ea Bongaka ea PubMed.

Results

Motheong oa bopaki bo tsoang lipatlisisong tsa liphoofolo tsa laboratori le tlhaiso-leseling ea bongaka, re beha taba ea hore ho haella ha androgen ho sitisa mekhoa ea ho saena le ho hlahisa liphetoho lipakeng tsa lithane tsa penile, ho lebisang ho se sebetseng hantle ha kelello. Thutong ena, re buisana ka tšebetso ea androgen e itšetlehileng ka androgen, limolek'hule le physiologic modulating ts'ebetso ea erectile mohlaleng oa phoofolo, le moelelo oa tsebo ena ts'ebelisong ea testosterone maemong a kliniki ho phekola ho se sebetse ha erectile. Paradigm e ncha ea kliniki e kenyelletsa lintlha tse ngata tse lumellaneng tse hlalositsoeng ho li-algorithms tsa setso tse tloaetseng banna ba nang le ho hloka khaello ea androgen. Leha ho le joalo, ho na le liphapang tse ikhethang tsa tlhaiso-leseling ka paradigm ena e ncha ea kliniki. Paradigm ena e emela boiteko bo bocha ba ho fana ka maano a taolo a tlamang le a boikhethelo bakeng sa banna ba nang le ho hloka taolo ea androgen le erectile.

Nahanisisa

Paradigm e ncha ea bongaka e thehiloe ho bopaki 'me e emela e' ngoe ea liteko tsa pele tsa ho rarolla leano la mantlha la taolo ea banna ba nang le mathata a bophelo bo botle ba botona le botšehali.

1. Selelekela

Bophelo bo botle ba mesifa ea penile vascular le mesifa ea "perineal and ischiocavernosus" e tšehetsang botenya ba penishene e bohlokoa bakeng sa ts'ebetso e tloaelehileng ea erectile [1-4]. Karolo ea li-androgens ho laola physology ea erectile ho batho e bohlokoa haholo mme e hloka ho tsoela pele ho etsa lipatlisiso. Lingoliloeng li phetoa ka lingoliloeng le li-anecdotes tse fanang ka maikutlo a hore li-androjeni ha li na karolo e nyane kapa e sa phethang karolo ea letho ho tšebetso ea erectile. Ho fapana le hoo, 'mele oa bohlokoa oa ho bokella tsebo o fana ka maikutlo a hore androgens e bapala karolo ea bohlokoa ho erectile physiology ho batho. Ho se lumellane hona ho ka bakoa ke taba ea hore boholo ba lingoliloeng bo thehiloe lithutong tsa kliniki ka mekhoa e fapaneng le palo ea bakuli. Ntle le moo, hangata liphatsa tsa lefutso, bophelo bo botle le setso ha li nahanoe. Leha ho le joalo, lithuto tsa liphoofolo li fane ka motheo o itseng oa kutloisiso ea rona ea erectile physiology le karolo eo li-androgens li e phethang ts'ebetsong ena. Thutong ena, re bua ka tsebo e fumanoeng lithutong tsa liphoofolo ho fana ka tlhahlobo e phethahetseng ea methapo ea methapo, limolek'hule le physiologic ea androgens ho erectile physiology, le hore na tsebo e joalo e ka fetoleloa joang ho paradigm e ncha ea bongaka bakeng sa taolo ea bakuli ba nang le androgen. bofokoli le dysfunction ea erectile (ED). Morero oa rona ke ho kenyelletsa babali puisanong e hahang le e hlasimollang mabapi le ts'ebeliso ea testosterone ho banna, le ho khothaletsa lipatlisiso tse ncha, tse ncha tsa motheo le tsa kliniki ho utloisisa ka ho hlaka mekhoa le methapo ea ts'ebetso ea androgen ho tsosoloseng phreoloji ea erectile.

2. Modulation of erectile physiology by androgens: cellular, molek'hule, le physiologic

2.1. Testosterone e laola sebopeho sa methapo le tšebetso

Lithuto tsa Meusburger le Keast [5] Keast et al [6] e fane ka lipontšo tse phahameng mabapi le karolo e ka bang teng ea androgens ho boloka sebopeho le ts'ebetso ea li-neurons tsa pelvic ganglion tse ngata. Ba fana ka maikutlo a hore testosterone e bohlokoa bakeng sa ho hola le ho boloka methapo ea methapo ea methapo le polelo ea "neuropeptide" li-deferens tsa vas. Giuliano et al [7] o khothalelitse hore testosterone e sebetsanang le lesapo la mokokotlo e ntlafatse karabelo ea erectile ea methapo ea kutlo. Roger et al [8] e bonts'itse hore sepheo sa batho se fetotsoe se fetotse phapang ea methapo ea methapo mokokotlong e kopane le tahlehelo ea tšebetso ea erectile. Bangoli ba ile ba boela ba bontša hore kalafo ea testosterone ea liphoofolo tse lahlehileng e khutlisitse methapo ea methapo le sebopeho sa myelin sheath, se ts'oanang le se bonoang sehlopheng sa sham (taolo). Baba et al [9,10] e tlaleha hore bots'epehi ba methapo ea methapo ea methapo ea methapo ea NADPH mokokotlong oa "covern cavernosum" le "dorsal nerve" e itšetlehile ka androgens. Haufinyane tjena re ile ra hlahloba litlamorao tsa ho lahloa botšepehing ba sebopeho le ts'ebetso ea methapo ea kutlo (Traish et al, liphatlalatso tse sa phatlalatsoang). Re hlokometse hore ho bile le liphetoho tsa sebopeho mokokotlong oa cavernosal ho tsoa ho liphoofolo tse fallisitsoeng ha li bapisoa le taolo (liphoofolo tse tsamaeang ka sham) kapa liphoofolo tse fallisitsoeng tse tšoaroang ka androgens (Feie. 1). Liphetoho tsena tsa sebopeho li kanna tsa ikarabella bakeng sa phokotso e tšoaeang ea khatello ea methapo ea methapo (phallo e phallang ea mali) e shebaneng ea liphoofolo tse lekang [11]. Ntle le moo, liphuputso tsa morao tjena li bonts'itse hore penile erection ho likhoto, e matlafalitsoe ke ts'usumetso ea sebaka sa medial preoptic, e its'etleha ka testosterone [12]. Kahoo, testosterone e ka laola mekhoa ea mantlha ea penile erection, hammoho le methapo ea methapo ea kutlo. Ka ho hlakileng, lipatlisiso tse tebileng tse tebileng li ikemiselitse ho hlalosa karolo e tobileng ea androgens marang-rang a methapo ea methapo ea kutlo le ho fumana hore na androjeni e fetola karabelo ea pherekano joang ho tsosetsong ea thobalano.

Feie. 1

Tšusumetso ea li-androjeni ho sebopeho sa methapo ea methapo ea methapo ea methapo. Likarolo tsa mesifa ea methapo ea kutlo e tsoang mebileng e tsoang (sham-operese) kapa likhofu tse lahleloang li ne li kenngoa ka har'a glutaraldehyde 'me li entsoe ka lesela le leputsoa la toluidine ho bona litšoantšo tsa methapo ea kutlo e kholisang ...

2.2. Testosterone e laola polelo le ts'ebetso ea nitric oxide synthase

Tsela ea nitric oxide synthase / cyclic guanosine monophosphate (NOS / cGMP) e bontšitsoe e le ea bohlokoa bakeng sa ts'ebetso ea erectile [13]. Nitric oxide (NO) e sebelisana le ho phomotsa mesifa e boreleli ea methapo ea methapo ea methapo ea pelo le trabeculae ho nolofalletsa penile erection. Bopaki ba esale pele bo tšehetsa karolo ea li-androgens ho laola polelo le tšebetso ea li-isoforms tsa NOS ka har'a corpus cavernosum mefuteng ea liphoofolo [14-25]. Liphoofolong tse qhekelloang, tsamaiso ea testosterone kapa 5cy-dihydrotestosterone (DHT) e khutlisitse karabelo ea erectile le polelo ea NOS ho penis [9-11,16,18,19,21,23,24]. Ho khahlisang ke hore, ke lithuto tse fokolang haholo tse ileng tsa fihla ntle le liphatlalatso tsena tsa pele tse bonts'ang litlamorao tsa testosterone polelong ea NOS. Ho hlokahala lithuto tse ling hape ho hlakola motheo oa molek'hule oa androgen receptor ea liphatsa tsa lefutso tsa NOS le betri ea lintlha tse fetolang tšebetso ea androgen receptor liseleng tsa penile. Ha ho tsepamisa maikutlo tseleng ea NOS / cGMP ho fane ka ts'usumetso ea ho utloisisa physiology ea erection, litsela tse ling tse ngata ha li fumane tlhokomelo e nyane. Mohlala, karolo ea li-prostanoids / eicosanoids le lintlha tsa kholo ea ho laola physology ea erectile ha e e-so ka e hlahlojoa ka botlalo. Ho hlahlojoa hape ka litsela tse 'maloa tse kenyellelitsoeng tšebetsong ena ea bohlokoa ea' mele ho lokela.

2.3. Testosterone e laola phosphodiesterase (mofuta) 5

Phosphodiesterase (mofuta) 5 (PDE5) hydrolyzes cGMP ka mesifa le mesifa ea trabecular boreleli ho GMP. Ts'ebetso ea PDE5 e khaotsa ho ts'oaroa ha NO-induction, cGMP-Mediated boreleli mesifa, ho fella ka tsosoloso ea contractal ea basal boreleli contractility le penile flaccidity. Ho lithane tsa penile, ho leka-lekana pakeng tsa maemo a makatsang a cGMP le GMP e laoloa haholo ke mesebetsi ea NOS le PDE5. Ka hona, ho ka etsahala hore pherekano efe kapa efe ho polelo kapa tšebetso ea li-enzyme tsena e tla lebisa ho pathophysiology. Ho tsamaisoa ho bontšitsoe ho fokotsa polelo le tšebetso ea PDE5 ho mebutla le likhoto [11,27,28], le tlatsetso ea androgen e bontšitsoe ho nyopisa polelo le tšebetso ea PDE5 [11,26-28]. Ho feta moo, tsamaiso ea PDE inhibitor e le 'ngoe ho liphoofolo tse fanang ka bophelo bo botle kapa tse tlisoang ke mofere-fere ha e na matla ho khatello ea methapo e amanang le khatello ea methapo ea kutlo [27,29], ho fana ka tlhahiso ea hore li-androgens ha li bohlokoa eseng feela bakeng sa ho laola ts'ebetso ea NOS, empa hape le modulating mosebetsi oa PDE5. Le ha liketso tsena li ka bonoa e le ntho e makatsang, ho androgens tsena li nyolla li-activator tsa maqhubu ka bobeli (NOS) le li-terminators (PDE5), re hlalosa sena e le mokhoa oa homeostatic o bolokang karo-karo ea li-enzyme tsa bohlokoa tseleng ena (Feie. 2). Re hatella hore polelo ea PDE5 e ka laoloa ke NO. Ho eketseha ha NOS ka androgens ho ka lebisa ho tlholeho ea NO, e ntan'o hlahisa polelo le ts'ebetso ea PDE5. Ka lehlakoreng le leng, ho nyatsuoa ha NOS ka ho haelloa ke androgen ho fella ka polelo le tšebetso ea PDE5. Boithuto bo ntse bo tsoela pele ho hlalosoa mochine ona o bobebe ebile oa bohlokoa ketsong ea androgen.

Feie. 2

Tekanyetso e ka bang teng ea nitric oxide synthase (NOS) le phosphodiesterase (mofuta) 5 (PDE5) ka androgens. Mechine ea Hypothetical eo ka eona androgens e ka nyolisang liprotheine tsa NOS le PDE5 ka bobeli.

2.4. Testosterone e laola kholo ea phapang le phapang

Ho haelloa ke Androgen ka ho tsamaisoa kapa ho lahleloa bongaka ho fella ka phokotso e kholo ea litaba tsa mesifa e boreleli ea trabecular le keketseho e bonts'itsoeng ea ho kenella ha tishu [26,29]. Liphetoho tsena tsa sebopeho li boetse li amana le tahlehelo ea mosebetsi oa erectile. E sebelisa phetisetso ea elektrone ea microncopy, mesifa e boreleli ea cavernosal ho liphoofolo tse fallisitsoeng e bonahala e sa hlophisoa ka palo e kholo ea li-vactulo tsa cytoplasmic, athe, liphoofolong tse bonolo, lisele tse boreleli tsa mesifa li bonts'a morphology e tloaelehileng mme li hlophisitsoe ka lihlopha1,8]. Shen et al [30] ba bontšitse hore sebopeho sa tunica albuginea ho likhoto le sona se susumetsoa ke androgens. Libeke tse 'ne ka mor'a ho fallisoa, tunica e ne e le tšesaane ka likhoele tse' maloa tse bobebe, 'me kholase e ile ea bonahala e sa hlophisa hantle. Ho fokotseha ha likhoele tsa elastic le fibrosis e nchafalitsoeng ho ile ha boela ha hlokomeloa ho likhoto tse hlakileng tse tšoaroang ka Finasteride, le hoja botenya ba tunica bo ne bo sa fapana le taolo e ntle. Ha li kopantsoe hammoho, liphetho tsena li fana ka maikutlo a hore androgens li na le phello e kholo sebopeho sa cellular le tlhophiso ea Corpus cavernosum, le hore liphetoho tsena li ka baka tahlehelo ea ts'ebetso ea erectile. Lithuto tse joalo ha li e-so ka li etsoa ka liponche tsa penile ea motho.

Ntle le liphetoho tse teng mesifa e boreleli le lisele tse sebetsanang, lisele tse nang le mafura li 'nile tsa bonoa tikolohong e ka thoko ea likarolo tsa lipeipi tsa penile tse tsoang liphoofolong tse ratoang [31]. Liphetoho tse mabapi le sebopeho sa tishu sa cavernosal le sebopeho li ne li tsamaisana le karabelo e fokotsehileng ea erectile ho tsitsipano ea methapo ea kutlo [11,31]. Hoa thahasellisa ho nahana hore boteng ba lisele tsa mafura sebakeng se ka tlasa bohlophisi ba corpus cavernosum bo ka kenya letsoho ho lutla ha venous ho phoofolo e haellang ea andchiectomized kapa androgen. Ho beoa ka mokhoa o sa tloaelehang oa lisele tse nang le mafura le karabelo e fokotsang boikhathollo ho nitroprusside le acetylcholine e boetse e bonoe ka penile Corpus cavernosum ea mebutlanyana e sa sebetseng e neng e tsamaisoa ka li-disocrters tsa endocrine bisphenol A le tetrachlorodibenzodioxin (TCDD) [32,33]. Ka ho khetheha, bisphenol A e bonts'itsoe ho potlakisa phapang ea phepelo ea 3T3L1 fibroblasts ho adipocytes ka PI3 kinse tseleng [34]. Ho khahlisang, lithutong tsa nts'etsopele, Goyal et al [35-38] li bonts'itse hore tsamaiso ea estradiol valerate kapa estrogen receptor agonist diethylstilbestrol ho likhoto tsa letsatsi la 2 e hlahisitse liphoofolo tse holileng tse holileng (120 d) le ho bokellana ha lisele tse nang le mafura ka har'a penile Corpus cavernosum. Ka lehlakoreng le leng, liphoofolo tse tšoaroang ka koloi li ne li sa bontshe lisele tse nang le mafura 'me li lula li nonne. Bangoli ba bontšitse hore kalafo ea estrogen e ne e amana le maemo a tlaase a testosterone ea plasma, e kanna ea tlatsetsa phetohong ho penile anatomy le morphology, infertility, le ED. Kaha li-estrogener li tsejoa li sebetsa e le li-antiandrogens liseleng tse ling [39-41], lithuto tsena li supa bohlokoa ba bohlokoa ba li-androgens ho boloka sebopeho sa penile Corpus cavernosum.

Ho na le thahasello e nchafalitsoeng ea ho utloisisa mekhahlelo eo androgens e laolang kholo le phapang ea lisele tsa mesifa e bonolo. Bhasin et al [42] le Singh et al [43,44] hypothesised hore androgens e khothalletsa boitlamo ba lisele tse ngata tsa karolo ea "stemipotentent" moleng oa mesifa le ho thibela phapang ea bona ho tsoa lenaneng la adipocyte. Palo eohle ea lisele tsa progenitor tsa vascular tse potolohang le tsona li ka itšetleha ka maemo a testosterone [45]. Taolo ea phapang ea lisele tsa progenitor ke ts'ebetso e rarahaneng, e itšetlehileng ka li-hormone tse ngata, lintlha tsa kholo, le ts'ebetso e ikhethang ea polelo e sa reng letho ea mofuta oa gene [42,46-51] .Maolo a laoloang ke phapang ea adipocyte a kenyelletsa C / EBPα (CCAAT / protheine e tlamang), PPARγ2 (peroxisome proliferator-activated receptor), le LPL (lipoprotein lipase) [47,48,52-57]. Ntle le moo, ho ka etsahala hore lisele tsa mesifa e boreleli li kenngoe linthong tse ling tsa phenotypes [58-61]. Thibelo ea ts'ebetso ea 5α-reductase e etsa hore ho be le mokhoa oa ho hlatsuoa ka mohono le ho inehela ha mesifa boreneng kahare, ho fana ka maikutlo a hore khaello ea 5α-DHT e khothaletsa ho inehela hoa mesifa e boreleli [62]. Le ha mekhoa ena ea pharologano ea sele kapa phapang ea mesifa e sa sebetseng e sa ntse e tla hlahlojoa ka lipeipi tsa penile, lithuto tsa nako e tlang li sebelisa polelo ea matšoao a biochemical hammoho le liphetoho mohopolong oa tlhaiso ea methapo ea methapo ho leka liteko tsa hypotheses ena ka har'a corpus cavernosum tlasa maemo a fapaneng a androgen le tlatsetso. Ka hona, botona ke sistimi e ikhethang e nang le mefuta e mengata ea lisele tse nang le likarabo tse fapaneng tsa androgen. Re beha taba ea hore, ho penile Corpus cavernosum, androgens ke tsa bohlokoa bakeng sa ho nts'etsapele le ho boloka moralo oa myogenic (Feie. 3).

Feie. 3

Mokhoa o reriloeng oa taolo ea phapang ea selula le androgens ho penile Corpus cavernosum. Androgens, ka ts'ebetso ea li-androgen receptors (ARs), e kanna ea susumetsa lisele tsa methapo ea methapo ho fapana ho lisele tse boreleli tsa mesifa (e tiileng ...

2.5. Testosterone e khutlisetsa ts'ebetso ea erectile ho liphoofolo tsa lefu la tsoekere

Zhang et al [63] ba bontšitse hore lefu la tsoekere le alloxan e susumetsang lefu la tsoekere ho 'marang le lefu la lefu la tsoekere la "radiczotocin" litheong li hlahisitse testosterone ea plasma le atrophy ea androgen e itšetlehileng ka tšebetso. Tlatsetso le testosterone ho litoeba tsa lefu la tsoekere e ile ea eketsa karabelo ea erectile, le polelo ea PDE5 le endothelial le neural NO synthases. Libakeng tsa ho hlapela, ho ikhatholla ho ea ho acetylcholine ho ile ha ntlafatsoa ho marang-rang a li-organus cavernosum tiske ho tsoa ho liphoofolo tsa lefu la tsoekere tse tšoaroang ka testosterone. Bangoli ba phethile ka hore standardizing plasma testosterone liphoofolong tsa lefu la tsoekere e khutlisetsa NOS le PDE5, 'me e khutlisetsa maikutlo a ho hlasimolla le ho arabela ka sildenafil ho vivo.

2.6. Ts'ebetso ea Erectile e itšetlehile ka tekanyetso ea tekanyetso ea testosterone

Armagan et al [11] ba bontšitse hore ts'ebetso ea erectile ho litoeba e bolokoa ke maemo a fapaneng a testosterone ea systemic, e tlase joalo ka 10-12% ea tsepamiso e tloaelehileng ea physologic plasma. Leha ho le joalo, ka tlase ho lits'oants'o tsena, ts'ebetso ea erectile e anngoe haholo, 'me mokhoa ona oa kopanelo o tsamaisana hantle le plasma ea testosterone. Tekanyetso ea testosterone ka bongata ba 10% ea mahloriso a tloaelehileng a 'mele ea limela e ka emela boleng ba phello, ka tlase moo ts'ebetso ea erectile e fokotsehang ka mokhoa o itšetlehileng ka tekanyetso. Mohopolo ona oa boleng ba monyako o tšehetsoa ke lithuto tsa morao-rao tsa kliniki [64]. Ho khahlisang, ho litoeba, boima ba mesifa ea tšoelesa ea senya e ile ea hokahanngoa le maemo a testosterone ea plasma ka bongata mefuta eohle ea liteko tsa testosterone. Ntle le moo, bohlokoa ba khokahano lipakeng tsa plasma testosterone le ho holofala hoa litheko tse thehiloeng ho androgen (boima ba "litso") bo ne bo fetoha, ka li-vesicles tsa seminal li bonts'a kamano ea bohlokoa ka ho fetisisa. Lintlha tsena li fana ka maikutlo a hore lisele tse fapaneng tse itšetlehileng ka androgen li na le maikutlo a fapaneng ho potoloha litekanyetso tsa testosterone tse ka hlahisoang ka likarabo tsa trophic le tšebetso.

3. Paradigm ea bongaka bakeng sa taolo e kopaneng ea androgen ho haella le ED

Androgens e sebelisitsoe ho phekola mathata a thobalano [65] hammoho le vasodilation e matlafatsang [66-69] ho bakuli ba nang le angina le claudication ka lilemo tse fetang mashome a tšeletseng. Ka lebaka la khokahano ea nalane ea li-androgens e thehileng nalane ea ts'ebetso ea thobalano le ts'ebetso ea vasodilatory, ha ho makatse hore taolo ea mehleng ea kajeno ea banna ba tsofetseng le mathata a bophelo ba thobalano e kenyelletsa tšebeliso ea hangata ea li-inhibitors tsa PDE5 le tšebeliso ea ntle le lebitso la androgens [70-76]. Ts'ebeliso ena ea bongaka e thehiloe karolo ea ho phatloha ha morao tjena ha saense ea motheo le data ea kliniki mabapi le androgens le pharologia ea erectile [1,3,77-83]. Lintlha tse joalo tsa mantlha tsa mahlale le tlhahlobo ea liteko tsa bongaka li tšehetsa tlhahlobo e fumanoang e le bopaki le tlhahlobo ea kalafo bakeng sa banna ba nang le boteng ba androgen le ED. Litefiso tsa prelocation tsa ho haella ha androgen le ED ho banna ba tsofetseng li tlalehiloe ho tsoa ho 1.7% [84] ho 35% [85], e fetolelang ho limilione tsa banna ba nang le mathata a bobeli le mathata. Karolong e latelang, re bontša mokhoa o kopaneng bakeng sa taolo ea banna ba nang le khaello ea androgen le ED, ho kenyelletsa le maano a tlhokomelo a nkang matšoao a mathata a lihormone le tsa thobalano, thuto ea mamello le molekane, ho fetoloa hoa lisosa tse fetohang, kalafo ea lihormone le e seng ea boleng bo phahameng. , le liphekolo tse ling (Feie. 4). Likarolo tse setseng tsa tlhahlobo ena li akaretsa lintlha tse tsoang litataisong tse fanoeng ke European Association of Urology, International Society of Andrology (ISA), le Mokhatlo oa Machabeng oa Thupelo ea Motho e Moholo (ISSAM) [86]. Ntle le moo, re fana ka maikutlo a paradigm e ncha ea bongaka bakeng sa taolo ea bakuli e thehiloeng tsebong e fumanoeng ho tsoa ho lipatlisiso tsa mahlale tsa mantlha. Paradigm e ncha ea kliniki e kenyelletsa lintlha tse ngata tse lumellaneng tse hlalositsoeng ho li-algorithms tsa setso tse tloaetseng banna ba nang le ho hloka khaello ea androgen. Leha ho le joalo ho na le liphapang tsa lipale tse ncha le tse ncha tse emelang boiteko bo bocha ba ho fana ka maano a taolo a tlamang le a boikhethelo bakeng sa banna ba tsofetseng ba nang le ho hloka khaello ea androgen a le mong, empa bakeng sa banna ba nang le ho hloka taolo ea androgen le ED.

Feie. 4

Ho hlahloba le algorithm ea kalafo bakeng sa ho haella ha androgen le ho se sebetse ha erectile.

3.1. Tlhokomelo ea mehato 1: Boitsebiso ba ho haelloa ke androgen le ED

Ho haella ha Androgen [82,83] e nkuoa e le sesupo sa ho ba le matšoao le matšoao a se nang letho a (1), joalo ka ho ba le takatso e tlase ea thobalano, bofokoli ba mesifa, ho ikutloa o hloname ebile o boreleli, kapa ho ba le karabelo e sa lekanang ea li-inhibitors ho PDE5 ho monna ea nang le ED le ( 2) tlhahlobo ea mali e nang le biochemical e belaella litekanyetso tse tlase tsa androgens e loketseng 'meleng. ED ke ho se khonehe ho fihlela kapa ho boloka mokhoa o lekaneng bakeng sa ketso e khotsofatsang ea thobalano [87]. Matšoao a hlahisang a teng liserekising tse ling tse 'maloa' me a fapana haholo bathong ka bomong. Kahoo, ho hlokahala kalafo e qaqileng ea bongaka [4].

3.1.1. Pale ea thobalano, kelello le bongaka

Matšoao a thobalano a ho haella ha androgen a fapane mme a kenyelletsa takatso e tlase ea thobalano; boleng bo fokotsehileng ba erectile, haholo li-erections tsa bosiu; muted, lietsahala kapa sieo orgasms; ho fokotseha ha maikutlo a botona; le ho fokotsa thabo ea thobalano [82,83,86,88-90]. Ntle le moo, ho se sebetse hantle litabeng tsa thobalano ho ka ama boits'epo ba mokuli, bokhoni ba ho sebetsana le boemo ba hae mosebetsing le sechabeng [4]. Ho hloka khaello ea Androgen ho tsamaisana le liphetoho mokhoeng oa bophelo, ho fokotseha ha bophelo bo botle, ho ba le tšusumetso e matla, liphetoho mokhoeng oa moea, ho fokotseha bokhoni ba kelello, ho tepella maikutlo, khatello ea maikutlo le ho teneha [82,83,86,88-90].

Ho sitoa ho araba tekanyetso e phahameng ea PDE5 ea molomo ka boima bo boholo ba erection e kanna ea ba sesupo sa pele sa ho haella ha androgen [70-76]. Pono ena e thehiloe ho tlhokomeliso ea hore androgens e ka laola ka ho toba polelo le ts'ebetso ea NOS ka har'a corpus cavernosum ea batho [91-94]. Karabelo ea kliniki ea li-inhibitors tsa PDE5 e bonahala e hokahane ka matla le ts'ebetso ea NOS ho lithane tsa vascular [70-76].

3.1.2. Screening lipotso

Lipampiri tsa tlhahlobo ea lipotso li ka sebelisoa ho thusa ho bona hore na ho na le bothata ba ho ba le bothata ba androgen. Androgen Defence of the Aging Male (ADAM) e na le thuso ho khetholla ho ba teng kapa ho se be teng hoa matšoao a khaello ea androgen [95,96], empa o na le litlolo tse mpe ho banna ba tsofetseng. Aging Male Scale (AMS) ke sesebelisoa se pharalletseng, se netefalitsoeng [97]. Sesebelisoa sa testosterone se tlase sa Smith le basebetsi-'moho le uena [98] e boetse e na le thuso ea ho fumana ho haella ha androgen. Ka mokhoa o ts'oanang, AndROTEST ke puisano e hlophisitsoeng bakeng sa ho lekola ho haella ha androgen ho banna ba nang le bothata ba thobalano [99]. Leha ho le joalo, ho lokela ho hlokomeloe hore lipotso tse netefalitsoeng li ke ke tsa nka sebaka sa nalane e hlakileng le tlhahlobo ea mmele [4,82,83]. Lipampiri tsa lipotso ke likarolo tse arohaneng le tse ikhethang tsa karolo ea "boitsebahatso" ea paradigm e ncha ea bongaka. Tse ling tsa lipotso li netefalitsoe maikutlong le ho khetholoha, hape li sebelisetsoa tlhahlobo ea sephetho.

3.1.3. Tlhahlobo ea 'mele

Tlhahlobo e tsepameng ea 'mele e kenyelletsang tlhahlobo ea endocrinologic e lokela ho etsoa ho mokuli e mong le e mong, haholo-holo haeba karabelo ho PDE5 inhibitor ha e matla. Ho haella ha androgen ho amana le liteko tse nyane, tse sa tieang; ho fokotseha ha litelu le moriri oa 'mele; letlalo le sentse; ho fokotseha ha boima ba 'mele; keketseho ea mafura a 'mele le ho fokotseha ha boima ba mesifa le matla; le nts'etsopele ea lisele tsa matsoele [82,83]. Liteko tse nyane, tse sa tiiseng haholo li tsamaisana le hypergonadotrophic hypogonadism (ho hloleha ha testicular ea mantlha). Leha ho le joalo, tšobotsi ena e kanna ea se be joalo ho hypogonadothrophic hypogonadism.

3.1.4. Teko ea laboratori e sebetsang

Paradigm ena e ncha ea kliniki, liteko tsa laboratori li arotsoe ka mokhoa o tlamang le oa boikhethelo ho banna ba nang le ho hloka khaello ea androgen le ED. Karolong ena, re hlalosa liteko tse tlamang tsa laboratori (Feie. 4).

3.1.4.1. Testosterone

Tlhahlobo ea ho haella ha androgen ho banna e thehiloe setšoantšong sa tleliniki e hohelang le pontšo ea biochemical ea khaello ea androgen. Melao eohle e sa tloaelehang ea testosterone [82,83] feela ha se lebaka le lekaneng la ho qala kalafo. Ho banna ba nang le matšoao a fokolang le litekanyetso tsa testosterone tse fokotsehileng haholo (mohlala, <200 ng / dl), puisano e lokela ho latela le mokuli mabapi le likotsi le melemo ea kalafo. Hoa lokela ho hlokomeloa hore mekhahlelo e fapaneng ea laboratori eo hona joale e nkoang e tloaelehile bakeng sa androgens ho banna ha e tšepahale kamehla82,83] 'me ka kakaretso ke tekanyo ea boemo ba androgen. Ha ba na taba le "metabolism" e hlophisitsoeng ka ho khetheha ea li-metabolism tsa "metabolic metabolism" kapa methapo ea kutlo (phapang pakeng tsa methapo ea kutlo) kapa phapang ea kutloisiso ea androgen, moo karabelo ea litho tsa sepheo moqoqong o fanoeng oa androgen o tla fapana ka batho ba fapaneng [82,83].

Ha ho na boleng bo khaotsoeng bo amoheloang hohle ba testosterone e felletseng e hlalosang boemo ba ho haella ba androgen [64,86,100,101]. Kaha litekanyetso tsa testosterone tse felletseng li theoha ka lilemo le phetoho ka morethetho oa circadian, nako e nepahetseng ea ho hlahloba testosterone e felletseng esale hoseng. Ka lebaka la tahlehelo ea methapo ea methapo ea methapo ea methapo e amanang le botsofali, ho qala ka nako ea 40 [100], liteko tsa mali li ka lekanngoa ka nako efe kapa efe ho banna ba tsofetseng [82,83,102].

Litekanyo tsa testosterone kaofela li ka thetsa, hobane ke testosterone e sa feteng letho e ka sebetsang ka har'a lisele ho laola polelo ea gene. Ho banna ba tloaelehileng, 2% ea testosterone e lokolohile (e sa thibeloe), 30-60% e tlameletsoe ho sexonal-binding globulin (SHBG) e nang le tšebelisano e phahameng, 'me e setseng e tlamahane le bothata bo tlase ba albin le liprotheine tse ling [103]. SHBG e na le tumellano e phahameng ea testosterone ho feta estradiol, 'me liphetoho ho SHBG li fokotsa kapa li holisa matla a lihormone. Kahoo SHBG, ka karolo e 'ngoe, e laola tšebetso ea androgen,' me e bohlokoa ho tsa bongaka ho mokuli e mong le e mong ea belaelloang hore o na le khaello ea androgen ea ho tseba boleng ba SHBG. Melao e phahameng ea SHBG e tla theola testosterone e sa fetoleheng ea 'mele82,83].

Mofani oa tlhokomelo ea bophelo bo botle o lokela ho hlahloba testosterone ea mahala ho bakuli bohle. Leha ho le joalo, ho lokela ho hatelloa hore mekhoa e fapaneng ea assay e ka hlahisa mehato e fapaneng. Litekanyetso tsa testosterone tse thehiloeng ho motho, tse sebelisang testosterone ea mahala li nkoa li sa ts'epahala. Tekanyetso ea tekano, tekanyetso ea khauta, hangata e thata ebile e nka nako, ka hona ha e sebelisoe haholo litliliniking [104]. Meetso ea testosterone e fumanehang ka har'a Bioavava e na le likarolo tsa testosterone tse sa lefelloeng, ebile li ka tšeptjoa ebile lia fumaneha. Melao ea testosterone ea Bioavava e theoha ka lilemo tse ntseng li eketseha, haholoholo ha testosterone e fokotsehileng e theoha le litekanyetso tsa SHBG li ntse li eketseha [82,83].

Leano la taolo ea sejoale-joale bakeng sa mofani oa tlhokomelo ea bophelo bo botle ke ho khetha li-testosterone tse felletseng (ng / dl), SHBG (nmol / l), le li-imagin tsa albin (g / dl). Melao-motheo ena e ka sebelisoa ho fumana testosterone ea mahala e nang le Calculator [82,83,86] e fumanehang ho websaeteng ea ISSAM (www.issam.ch/freetesto.htm). Ts'ebeliso ea calculator ena ha e lefelloe mme e fella ka boleng bo lumellanang hantle le testosterone ea mahala e khethiloeng ke equilibrium dialysis. Maemong a mangata a banna ba "phetseng hantle", boleng ba albin bo ka nkuoa e le 4.3 g / dl. Leha ho le joalo, ha u etsa lipatlisiso tsa bongaka kapa ho banna ba tsofetseng ba nang le lefu le sa foleng, ho bohlokoa hore u tsebe boleng ba albin ea motho eo. Palo ea testosterone ea mahala e baloang e ka tlase ho 5 ng / dl e nkuoa e sa tloaeleha. Ha boleng ba testosterone e le moeling, litekanyetso tsa testosterone tse sa lefelloeng li na le thuso ho thusa ho netefatsa ho hloka matla ha androgen [105]. Lithutong tse sebelisang mokhoa ona, 17.6% ea banna ba nang le ED ba ne ba e-na le litekanyetso tsa ho hloka khaello ea androgen [106]. Ho feta moo, khatello e matla ea mali, ho tsofala, ho ba sieo ha litekanyetso tsa bosiu, le lintlha tse fokolang tsa ts'ebetso ea erectile li ne li amana le maemo a fokolang a testosterone a mahala.106].

3.1.4.2. Antigen e tobileng ea Prostate

Tsamaiso ea Androgen e kopantsoe ka botlalo ho banna ba nang le kapa ba belaelloang ba nang le carcinoma ea prostate [82,83,86]. Qeto ea serum ea li-antigen tse khethehileng tsa serum ((PSA) [107,108] le tlhahlobo ea litekanyetso tsa dijithale (DRE) li bohlokoa joalo ka litekanyetso tsa mantlha tsa bophelo bo botle ba prostate pele ho kalafo le li-androgens. Basebeletsi ba bangata ba tlhokomelo ea bophelo bo botle hona joale ba nka PSA ea 0-2.5 ng / ml e le tlase ebile e le litekanyetso tse kholo ho feta 2.6 ho 10 ng / ml joalo ka ha e phahamisitsoe. Litlhahlobo ka bobeli tsa PSA le DRE li lokela ho phetoa mong le e mong oa 3-6 mo bakeng sa 12 ea pele, 'me selemo le selemo ka mor'a moo. Transpareal biopsy ea tšoelesa ea senya e bontšoa hore na DRE kapa PSA ha ea tloaeleha kapa haeba PSA e eketsa 0.75 ng / ml ka selemo se le seng sa almanaka [107-110]. Haeba PSA e eketseha nakong ea phekolo ea androgen le biopsy e le ntle bakeng sa kankere ea tšoelesa ea senya, kalafo ea androgen e ka tsoela pele ka tlhahlobo e khutlisitsoeng ea PSA le DRE e ngoe le e 'ngoe ea 3-6 mo. Le ha ho se na bopaki ba hore kalafo ea androgen e baka mofetše oa senya, e ka potlakisa mofetše oa kankere ea senya ea senya [107-110].

3.1.5. Teko ea boikhethelo ea laboratori

3.1.5.1. Dihydrotestosterone

Boikemisetso ba Serum dihydrotestosterone (DHT) e kanna ea ba ba bohlokoa, hobane mesebetsing e meng e thehiloeng ho androgen, testosterone ke prohormone e fetoletsoeng ho DHT ka enzyme 5-alpha reductase. Maemo a Supraphysiologic a DHT a ka bonoa ka mor'a taolo ea testosterone ea li-topical, e amanang le tahlehelo ea moriri oa makhopho le letlalo la hlooho [111]. Mochine oo ho nahanoang hore o amana le ho ba teng ha methapo e meholo ea 5-alpha reductase ka letlalo le sebaka se seholo sa letlalo sa ts'ebetso ea testosterone se sebelisa li-gels ha se bapisoa le patch. Tsamaiso e atlehang ea litla-morao e ka fumaneha ka litekanyetso tse tlase tsa 5-alpha reductase enzyme inhibitors.

Litekanyetso tsa SubHunologic tsa DHT li ka hlaha le kalafo ea bongaka bakeng sa matšoao a tlase a urine (LUTS) e kenyang ts'ebeliso ea bongaka ea li-inhibitors tsa 5-alpha reductase le e theola boemo ba potoloha ba DHT ka bongata ba 80% [112]. 5-alpha reductase inhibitors finasteride le dutasteride ho tlalehoa hore li amana le kotsi e kholo ea ED, ejentiatory dysfunction, mme e fokotsehile libido ha e bapisoa le placebo [113,114]. Lithutong tsa liphoofolo, kalafo ea li-finasteride e hlahisitse litekanyetso tse tlase haholo tsa DHT, le liphetoho tse ngata tsa maqhubu a methapo ea kutlo ea tunica albuginea le penile erectile tis [30]. DHT e boetse e bontšitsoe e le mohoebi ea ikemetseng oa li-hormonal oa li-orgasms tse eketsehileng ho banna [115].

3.1.5.2. Prolactin

Hyperprolactinemia ke sesosa se sa tloaelehang sa ho haella ha androgen le ED [82,83]. Leha ho le joalo, haeba mokuli a hlahisa matšoao le matšoao a ho fokotseha ha takatso ea thobalano le gynecomastia, mme a e-na le bopaki ba biochemical ba ho haella ha androgen, ho khothalletsoa qeto ea serum prolactin [116]. Ho hlahisitsoe karolo e tobileng ea prolactin ho libido tsa banna [117]. Le ha e sa tloaelehe, litheko tse phahameng tsa serum prolactin li amahanngoa le lefu le ka 'nang la hlaha la ho fokola ka bongata le tumello ea pituitary.

3.1.5.3. Estradiol

Bakeng sa banna ba ntseng ba feta kalafo ea testosterone ea exo native, qeto ea serum estradiol e kanna ea ba ea bohlokoa. Estradiol e kopantsoe le banna lipakeng tsa litho tsa botoneng ka metabolism ea testosterone ka aromatase ea enzyme. Ho banna ba tsofetseng le ba batenya haholo, boleng ba estradiol bo eketseha ha nako e ntse e tsamaea [118]. Basar le basebetsi-'moho [119] o ithutile kamano lipakeng tsa lintlha tse ngata tsa matšoao a botsofaling ba monna le lipilisi tsa li-serum sex steroid mme a fumana hore maemo a estradiol a ne a le maholo ho banna ba nang le matšoao a botsofaling ba monna. Kaha androgens ke tsona tse tlang pele ho estrogens, tsamaiso ea testosterone ea khale e tla etsa hore ho be le keketseho e kholo ea boleng ba estradiol. Ho rekota litekanyetso tsa nako le nako tsa tlhahlobo ea estradiol ho banna ba tsoang kalafong ea testosterone ea ntle ke mokhoa o motle oa bongaka. Estradiol e bontšitsoe ho thibela secretion ea luteinizing hormone (LH) ho banna (e fokotsehang tlhahiso ea testosterone synthesis) le ho eketsa sebopeho sa sebete sa SHBG (se fokotsang testosterone e sa fumaneheng ea mmele e fumanehang) [82,83]. Litekanyetso tse phahameng tsa estradiol li nkuoa li le kotsi ho ts'ebetso ea thobalano ea monna. Lits'oants'o tsa Estradiol li bonoe li phahame haholo ho bakuli ba ED ba nang le venous leak ho feta ho taolo, ba ts'ehetsa maikutlo a hore boemo ba estradiol bo ka susumetsa ts'ebetso ea mesifa e boreleli ea penile [120].

3.1.5.4. Dehydroepiandrosterone

Karolo ea physiologic ea dehydroepiandrosterone (DHEA) le DHEA sulphate (DHEA-S) ha e hlahlojoe hantle. DHEA e kanna ea ameha mesebetsing ea kelello, ea memori, metabolic, ea sesole sa mmele, ea boits'ireletso le ea thobalano [121]. DHEA ke selelekela sa androgen se hlahisoang ke litšoelesa tsa adrenal tse fanang ka litlamorao ka phetoho e tlase ea phallo ea testosterone le estradiol [122]. Khaello ea DHEA ho banna ho tlalehiloe hore e amana le lithethefatsi tse fapaneng, le endocrine, nonhormonal, le mathata a amanang le lilemo (DHEA e fokotseha butle-butle ho tloha botsofaling ba 40). Maemo a DHEA-S a ne a le tlase haholo ho banna ba nang le bothata ba ho se sebetse ka thobalano, joalo ka ha ho supiloe ke lintlha tsa International Index of Erectile Function (IIEF) [119]. Bakuli ba nang le lefu la tsoekere la mofuta oa X le mofuta oa 1 ba ne ba e-na le litekanyetso tse tlase tsa DHEA le DHEA-S ha li bapisoa le batho ba nang le lefu la tsoekere ntle le ED [123]. Hape, maemo a tlase a DHEA le DHEA-S, empa eseng mahala kapa testosterone e felletseng, a ne a amana ka kotloloho le ED. Ha ho liteko tse hlophiloeng hantle tsa kliniki tse ileng tsa tiisa karolo ea DHEA mesebetsing ena ho batho, kapa esita le polokeho le katleho ea kalafo ea DHEA [124]. Phuputsong e nyane, Reiter le basebetsi mmoho [125] e lekotse ts'ebetso ea phetisetso ea DHEA kalafong ea ED mme ea fumana hore e amana le lintlha tse phahameng bakeng sa libaka tsohle tse hlano tsa IIEF ntle le tšusumetso ho maemo a serum a PSA kapa testosterone.

3.1.5.5. Hormone e matlafatsang ea qoqotho

Ka bobeli hyperthyroidism le hypothyroidism li bontšitsoe li ama hampe ts'ebetso ea thobalano [126,127]. Mohlomong monyetla oa hore phekolo ea androgen e se ke ea atleha ho fihlela ts'ebetso ea qoqotho ea hau e emisitsoe. Ha ho hlahlojoa profiles ea bongaka le ea lihormone ea bakuli, ho hlahlojoa ho etsoa ka ho fumana boleng ba mali ba qoqotho bo hlahisang qoqotho ea qoqotho bo tšoereng qoqotho. Maemong a belaelloang a hypothyroidism e bohareng, serum-freeroroine (T4) e nkuoa e le sesupo se setle haholo [128]. Bakeng sa banna ba hlahisang tlhahlobo ea pele le kalafo ea ED, 4.0% e ne e eketsehile TSH [129].

3.1.5.6. Follicle e hlohlelletsang limela le LH

Serum LH le boikemisetso ba hormone ea follicle-susumetsang follicle (FSH) le eona e ka ba ea bohlokoa ho banna ba nang le khaello ea androgen le androgen. Tsebo ea boleng bona ba gonadotropin e tla hlalosa hore na ho haella ha androgen ho bakoa ke hypogonadotropic hypogonadism le hypergonadotropic hypogonadism [82,83].

3.2. Tlhokomelo ea mehato 2: Ho ithuta ka mamello le molekane

Bophelo bo botle ba thobalano ba molekane bo ka angoa ke ho se sebetse hantle ha mokuli ka thobalano [130-134]. Kahoo, karolo ea bohlokoa taolong ea ho haella ha androgen le ED ke thuto ea mamello le ea molekane e lumellanang ka tlhoko le litlhoko tsa motho ka mong [4]. Lithuto tsa thuto li kenyelletsa kakaretso ea anatomy le physiology e nepahetseng, pathophysiology e loketseng, ho senola ka botlalo likotsi le melemo, le puisano e nepahetseng ka litebello ka kalafo. Ho etsoa boiteko ba ho fetolela liphetho tsa nalane, tlhahlobo ea 'mele le liteko tsa laboratori hore e be maqheka a utloisisoang a taolo ka pel'a mokuli le molekane, ha ho khonahala, ka likhetho tsa mokuli le tsa molekane tsa taolo tse hlomphuoang le ho tsotelloa [4].

3.3. Tlhokomelo ea mehato 3: Ho fetola lisosa tse fetohang

Ho haella le androgen ka bobeli le ED li ka fetoha habonolo haeba ho ka sebetsanoa le lintlha tse ikhethang tse ka ntlafatsang. Mohlala, ho fokotsa boima ba 'mele ho bontšitsoe ho ntlafatsa maemo a testosterone, ho fokotsa boima ba mafura le estrogen [135,136]. Ho feto-fetoha ho ka sebetsa ho fetoleng taelo kapa tšebeliso ea lithethefatsi tse sa ngolisoeng le / kapa ho fetola lintlha tsa kelello [4].

3.4. Tlhokomelo ea mehato 4: kalafo ea Hormonal le nonhormonal pharmacologic

Li-pharmacologic tse sireletsehileng le tse sebetsang tsa mmuso li fumaneha ho phekola ho haella ha androgen le ED ka thoko. Litlhare tsa kalafo ea meriana li fuoa ho nahana ka litšenyehelo le boiketlo ba tsamaiso. Ha ho ka etsoa liteko tsa mali tsa ho khetha li-hormone le ho belaela lipelaelo tse sa tloaelehang tsa liteko tsa mali a nang le lihormone, ho ka buisanoa le mokuli ka maikutlo a kalafo. Hommonal agents82,83] kenyelletsa testosterone, DHEA, clomiphene citrate, aromatase inhibitors, li-inhibitors tsa 5-alpha reductase, dopamine agonists, le kalafo ea thyroid [82,83]. Bakeng sa ho haella ha androgen, le tsamaiso ea androgen, e thathamisitsoeng ka tatellano ea liketsahalo, e kenyelletsa testosterone ea molomo [137], liente tsa ente ea methapo [138], lits'ebetso tse kholo tsa transdermal patch [139], lits'ebetso tsa "pensermerm patch patch"140], li-gels tsa hydroalcoholic testosterone, [141,142], matlapa a khanyang a buccal [143], hape, haufinyane, ente e nkileng nako e telele ea ho sebetsa ea methapo ea methapo [144]. Phekolo ea nonhormonal e kenyelletsa li-vasodilators tse kang PDE5 inhibitors le intracavernosal / intraurethral agents [145]. Pele o nahana ka kalafo bakeng sa ho haella ha androgen, mokuli o lokela ho bonts'a matšoao le matšoao a biochemical a ho haella ha androgen, PSA le DRE tse sa tsamaellaneng le kankere ea tšoelesa ea senya kapa lefu le sa nepahalang la senya.82,83]. Mokuli o lokela ho kopana le litlhaloso tsa ED [4].

3.4.1. Testosterone

Isidori le basebetsi-'moho [146] e nkile qeto ea hore testosterone ea kantle ho tsoelo-pele e ntlafalitse palo ea mantsiboeeng a bosiu le likamano tse atlehileng, menahano ea thobalano, ts'ebetso ea erectile, le khotsofalo e akaretsang ea thobalano ho banna ba nang le testosterone e tlase, empa ha ba na phello ho banna ba eugonadal. Ba ile ba fihlela qeto ea hore phello ea testosterone e bonahala e theoha ka mor'a nako mme e le nyane hanyane ka hanyane ka maemo a ntseng a eketseha a T, mme le data ea polokeho ea nako e telele e ne e sa fumanehe [146]. Lits'oaetso tse amanang le tsona li lokela ho nkuoa li kenyelletsa hematocrit e phahameng, lithuto tse sa sebetseng tsa sebete, LUTS, le makhopho a boroko. Ketsahalo e mpe e sa tloaelehang ke ho hola ha boholo ba tšoelesa ea senya, bo ka thibeloang ke tsamaiso ea Finasteride [147,148]. Ho boetse ho fanoe ka tlhahiso ea hore palo e kholo ea banna ba nang le maemo a testosterone a tlase ho isa ho a tloaelehileng ba ne ba ka rua molemo ka ho hlahlojoa ha testosterone ha ba hlahlojoa bakeng sa ED le hore kalafo ea testosterone e ka ntlafatsa karabelo ea li-inhibitors tsa PDE5 [70,71,73].

3.4.2. Dehydroepiandrosterone

Banna ba bangata ba nka DHEA ntle le taolo ea ngaka, hobane e rekisoa ka thepa e fetang eo. Saad le basebetsi-'moho [122] o hlokometse hore tlatsetso ea DHEA e bile le litlamorao tse ntle tsamaisong ea pelo, sebopeho sa 'mele, letsoalo la liminerale tsa masapo, letlalo, tsamaiso ea methapo ea kutlo, boits'ireletso ba mmele le ts'ebetso ea thobalano. Ts'ebeliso ea DHEA e kanna ea utloahala ho banna ba tsofetseng ka litlhahlobo tsa nako le nako ho boloka ho tsepamisa mohopolo oa serum maemong a physiologic [149]. Bopaki ba morao-rao bo bonts'a hore DHEA e na le karolo ea 'mele ka ho sebelisana le li-receptor tse ikhethang tsa membrane ho endothelium [150].

3.4.3. Clomiphene citrate

Testosterone ea Exo native e kanna ea senya le ho banna ba nang le thipa ea tlhaho, hobane e hatella gonadotropins [82,83]. Ntle le moo, clomiphene citrate e eketsa gonadotropins [133] hape e ka ba molemo ha ho haella ha androgen ho bakoa ke hypogonadotropic hypogonadism. Guay et al [152] le Shabsigh et al [153] e sebelisitsoe off-label clomiphene citrate ho banna ba nang le hypogonadotropic hypogonadism mme ba fumane keketseho e kholo ho LH le testosterone ea mahala, le ts'ebetso e ntlafalitsoeng ea thobalano. Ntlafatso ea Erectile e ne e le tlase ho banna ba nang le botsofali, lefu la tsoekere, khatello ea maikutlo, lefu la methapo ea kutlo le ts'ebeliso ea meriana e mengata. Phuputsong e 'ngoe, ts'ebetso ea thobalano e ntlafalitse ho bakuli ba ED ba sebelisang clomiphene ka litekanyetso tse fokolang ho banna ba banyenyane le ba phetseng hantle ba ED [154].

3.4.4. Aromatase inhibitors

Tsamaiso ea testosterone ea kantle e tla lebisa ho boleng bo eketsehileng ba estradiol ka aromatization. Anastrozole ke seboloki se matla sa aromatase se ikhethileng se se nang mesebetsi ea tlhaho ea li-hormone agonist kapa antagonist [155]. Phuputsong ea morao-rao, tsamaiso ea anastrozole e ile ea eketsa li-serum bioavava le palo ea testosterone e felletseng ho banna ba baholo ba nang le hypogonadism e bonolo, ha maemo a estradiol a lula a tloaelehile [156]. Melemo ea thobalano ea aromatase inhibitor kalafo e tlalehiloe tlalehong ea nyeoe eo ho eona ts'ebeliso ea aromatase inhibitor e ntlafalitseng boemo ba testosterone le ho ntlafatsa ts'ebetso ea thobalano, mohlomong ka phetoho e bohareng ho tekanyo ea testosterone / estrogen [157].

3.4.5. 5-Alpha reductase inhibitors

Litla-morao tse tloaelehileng, tse sithabetsang tsa kalafo ea androgen ke hirsutism le makhopho [158]. Phekolo e sebetsang ka ho fetisisa ea pharmacologic ho fokotsa DHT ke ka inhibition ea 5-alpha reductase. Mekhoa ea phekolo ea hirsutism le ea kalafo ea li-acne tsa methapo le ea systemic le eona ea fumaneha.

3.4.6. Dopamine agonists

Dopamine agonists ho tlalehiloe hore e ntlafatsa ts'ebetso ea thobalano [159] motheong oa lipatlisiso tse bontšang hore tšusumetso ea thobalano e fetoloa ke methapo e mengata ea methapo ea methapo le liphetoho tse etsoang, ka karolo e itseng, ke ketso ea li-steroid tsa thobalano le dopamine ea mantlha ea neurotransmitter. Lisebelisoa tsa dopamine neurotransmitter li ka bapala karolo e mahareng ea taolo e bohareng ea takatso ea thobalano le boipiletso, maikutlo, le boits'oaro bo amanang le thobalano, haholoholo likarabong tse khothatsang tsa maikutlo a susumetsang a kantle a maikutlo [160-164]. Le ha ts'ebeliso ea bona e le phehisano, lipatlisiso tse eketsehileng lia hlokahala le li-dopamine agonists bakeng sa banna ba nang le khaello ea androgen le ED.

3.4.7. Lihomone tsa qoqotho

Haeba mokuli ea nang le khaello ea androgen le ED a e-na le bothata bo sa tloaelehang ba qoqotho ea hae, ho ka etsahala hore kalafo ea androgen e ka se atlehe ho fihlela boemo ba qoqotho bo sebetsa hantle. Bakeng sa banna ba fumanoang ba sa sebetse hantle mesebetsing ea qoqotho ka bobeli le tšebetso ea thobalano (takatso e fokotsehileng ea thobalano, ED, ho senyeha kapa ho emisoa kapele), kalafo ka methimazole (bakeng sa hyperthyroidism) kapa thyroxine (bakeng sa hypothyroidism) bakeng sa 8 wk ntle le Concomitant PDE5 inhibitor kalafo e hlahisitse ntlafatso ts'ebetsong ea thobalano [126]. Lithutong tsa liphoofolo, hypothyroidism e hlahisitse khatello ea maikutlo le ho se sebetse hantle ha mokokotlo, ho baka tšusumetso e mpe ea tokollo kapa synthes ea NO ho tsoa methapo ea methapo ea kutlo le endothelium [127].

3.4.8. Phosphodiesterase inhibitors

Li-inhibitors tsa Oral PDE5 li amoheloa bakeng sa tsamaiso ea tlhokahalo mme li sebetsa hantle ho tsamaisa le ho ntlafatsa li-erections kamora ho hlohlelletsa thobalano [145]. Thutisong ea moraorao [165], phello ea synergistic bakeng sa kalafo ea testosterone le ho sebetsa hantle ha PDE5 inhibitor kalafo ho banna ba nang le khaello ea androgen le ED e bontšitsoe. Ho bakuli ba nang le khaello ea androgen, eo ho eona kalafo e tlatselletsang ea testosterone feela e sa atlehang, kalafo e kopaneng le PDE5 inhibitor le testosterone gel e ntlafalitse mosebetsi oa erectile [72]. Ka mokhoa o ts'oanang, banna ba tsofetseng ba nang le ho haella ha androgen ba sa atlehang kalafo ea pele ea PDE5 inhibitor le bao androgens ba neng ba sa qhekelloa ba ntlafalitse ts'ebetso ea erectile le boleng ba bophelo ha ba phekoloa ka motsoako oa li-inhibitors tsa testosterone le PDE5 [74-76]. Liphumano tsena li fana ka tšehetso ea tleliniki tsebong ea liteko ea bohlokoa ba androgens mabapi le ho laola tšebetso ea mesifa e boreleli. Bakeng sa thahasello, ntlafatso e tsitsitseng ts'ebetsong ea thobalano ka mor'a 12 mo ea PDE5 inhibitor management e amahanngoa le keketseho ea testosterone ho estradiol, haholo-holo e amanang le phokotso ea litekanyetso tsa estradiol [166].

3.4.9. Maano a ho latela

Bakuli ba fumanang kalafo ea lihormone bakeng sa ho hloka khaello ea androgen le ED ba lokela ho feta tlhahlobisong nako le nako ho netefatsa puisano e nepahetseng ea mokuli ho hlahloba tsoelo-pele ea kalafo le boemo ba bongaka, bongaka ka kakaretso le boemo ba kelello ba mokuli le molekane oa hae [4]. Testosterone e felletseng, SHBG, albin (haeba ho loketse), PSA, le DRE e lokela ho etsoa ka mong le e mong oa 3-6 mo ho fihlela boleng bo tsitsitse ebile bo le maemong a nepahetseng. Hematocrit le hemoglobulin, liteko tsa ts'ebetso ea sebete, le litekanyetso tsa lesapo la sefahleho le lipid li lokela ho betoa leihlo selemo le selemo. Ho latela ho boetse ho fana ka monyetla oa thuto e tsoelang pele e tebileng, e rarolla mathata afe kapa afe a bakuli mabapi le kalafo, ho kenyelletsa le tekanyetso ea mmele kapa phetoho ea meriana. Liphetoho tse fapaneng tsa lithethefatsi kapa litlamorao tsa tšebelisano ea lithethefatsi li lokela ho beoa leihlo ka hloko [82,83].

3.5. Tlhokomelo ea mehato 5: Litsela tse ling

Banna ba nang le khaello ea androgen le ED ba kanna ba se ke ba arabela litšebelisanong tse boletsoeng esale pele mme ba ka hloka ho nahana ka likhetho tse kang sesebelisoa sa vacuum erection, intraurethral kapa intracavernosal management of alprostadil kapa li-activator tse ling tse sa sebetseng, kapa ho kenella ka ho buoa ka li-penile prostheses kapa li-upasuaji tse nchafatsang joalo ka penile revascularization [4].

4. Kakaretso, sephetho, le mekhoa ea nako e tlang

Mekhoa e itšetlehileng ka Androgen e tataisang tokiso ea litho tsa botona ho motho ea moholo ha e hlalosoe hantle. Sebopeho sa mekhoa ea limolek'hule le ea cellular eo androgens e laolang sebopeho sa lisele tsa setho sa botona le ts'ebetso e tla fana ka katleho e kholo tsebong le kutloisisong ea lits'ebetso tsa bohlokoa tsa pathogenic. Mechine ena e hloka ho hlahlojoa ho sebelisoa mekhoa e lekiloeng e lekiloeng ea ho lekola liphetoho ho li-penile hemodynamics, sebopeho sa lisele, le li-biomarkers tse ikhethang. Lithuto tse joalo mehlaleng ea liphoofolo li ka qala lenane la lipatlisiso tsa 'mele' me li ka fana ka mabaka a eketsehileng a saense bakeng sa tšebeliso e mpe ea li-androgens taolong ea banna ba banna ho banna ba nang le khaello ea androgen. Ka lebaka la ho tšoana ho lefu la methapo ea methapo le penile, le karolo ea adipogenesis ho metabolic syndrome, mohala ona oa lipatlisiso o ka boetse oa tsosa mosebetsi oa nako e tlang mabapi le karolo ea androgens ho lefu la methapo ea methapo le methapo. Le ha tsela ea NO / cGMP e bapala karolo ea bohlokoa ho erectile physiology, tsebo ea rona ea liketsahalo tse tlase e laolang polelo ea gene ka botoneng e sa rarahane. Mekhoa e mecha e hlokahala ho nts'etsapele kutloisiso e ntlafatsang ea sebapali pakeng tsa polelo ea PDE5 le ts'ebetso ea tsela ea NO / cGMP. Litlamorao tsa li-androgener sebakeng sa Cavernosal le methapong ea methapo le tsona li lokela ho etsoa lipatlisiso tse ling hape, 'me ho hlalosa phello ea androgens ho syntoticans entter le tokollo e kanna ea ba saense le tleliniki. Kamora nako, ho nchafatsoa ha lisele botoneng, "trabecular" le "tunica albuginea" ho bohlokoa haholo haeba re ka utloisisa kamano pakeng tsa khaello ea androgen le levege ea venous, le tsosoloso ea eona ka kalafo ea androgen.

Maemo ka bobeli a ho haella ha androgen le ED ke mathata a mangata a bongaka ho banna ba tsofetseng ba nang le mabaka a mangata a amanang le kotsi. Tloaelo e ntle ea kliniki e hloka tšebeliso ea maano a loketseng a tlhokomelo bakeng sa botsamaisi bo tataisoang ke sepheo le ba sepheo. Bokamoso bo kanna ba bona lipatlisiso tse ncha tsa saense tse tla lebisa ho maano a phekolo ea lipale. Ka mokhoa ona, batsamaisi ba ka tsamaisoa ka tsela e sireletsehileng le e sebetsang ho bongata ba bakuli ba nang le khatello (le balekane). Ho ananeloa hore ho na le ba bang ba phehang khang ea hore ho na le karolo e fokolang kapa ha e na karolo ea li-androgens taolong ea ED. Ho joalo, ho belaela ka nepo hoa utloahala, empa motho o tlameha ho boloka kelello e bulehileng le ho sekaseka bopaki ho etseng kahlolo e bohlokoa joalo ea mahlale. Ho hlaha ha data ea kliniki ho tsoa lithutong tse hlophisitsoeng hantle ho lokela ho fana ka motheo oa moriana o thehiloeng holim'a bopaki. Re tlameha ho amohela hore batho ba na le mekhoa e mengata ea ho hlahisa androgens, eseng feela litšoeleng tsa endocrine empa hape le ho potoloha. Ho ke ho hlokomeloe hore tsela ea "monyako o ka morao" ea biosynthetene bakeng sa tlhahiso ea 5cy-DHTfrom progesterone e tlalehiloe haufinyane haholo [167]. Qetellong, sepheo se tloaelehileng le se tlamang sa baoki le bo-rasaense ka kakaretso ke ho nts'etsapele kutloisiso e batsi ea karolo ea androgens le ts'ebetso ea erectile bophelong ba motho, le ho khona ho fana ka mekhoa e nepahetseng ka ho fetisisa ea kalafo ho bakuli ba nang le khaello ea androgen le ED.

Molaetsa o isang hae

Maemo ka bobeli a ho haella ha androgen le ED ke mathata a mangata a bongaka ho banna ba tsofetseng ba nang le mabaka a mangata a amanang le kotsi. Tloaelo e ntle ea kliniki e hloka tšebeliso ea maano a loketseng a tlhokomelo bakeng sa botsamaisi bo tataisoang ke sepheo le ba sepheo. Bokamoso bo tla bona lipatlisiso tse ncha tsa saense tse tla lebisa ho maano a macha, a bolokehileng le a sebetsang a kalafo. Ho hlaha ha data ea kliniki ho tsoa lithutong tse hlophisitsoeng hantle ho lokela ho fana ka motheo oa moriana o thehiloeng holim'a bopaki. Re tlameha ho amohela hore batho ba na le mekhoa e mengata ea ho hlahisa androgens, eseng feela litšoeleng tsa endocrine empa hape le ho potoloha. Qetellong, sepheo se tloaelehileng le se tlamang sa baoki le bo-ramahlale ke ho theha kutloisiso e ntlafatsang ea karolo ea androgens bophelong ba motho le ho khona ho fana ka mekhoa e nepahetseng ka ho fetisisa ea kalafo ho bakuli ba nang le khaello ea androgen.

Mongolo o botlaaseng ba leqephe

senoloa ha

Mosebetsi ona o ne o tšehelitsoe ke Likolo tsa Naha tsa lithuso tsa bophelo. Bangoli ha ba na letho leo ba ka le senolang.

Boitlhotlhollo ba Mohoeletsi: Ena ke faele ea PDF ea mongolo o ngotsoeng ka letsoho o sa amoheloang o amoheletsoeng bakeng sa ho hatisoa. Joaloka tšebeletso ho bareki ba rona re fana ka phetolelo ena ea pele ea mongolo o ngotsoeng ka letsoho. Mongolo o ngotsoeng ka letsoho o tla ba le ho kopitsa, ho kenya lihlopha le ho hlahloba bopaki bo hlahang pele o hatisoa ka mokhoa oa oona oa ho qetela. Ka kopo hlokomela hore nakong ea mekhoa ea tlhahiso ea lihlahisoa e ka fumanoa e ka amang litaba, le litsebiso tsohle tsa molao tse sebetsang koranteng e amanang le eona.

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