[Erectile dysfunction and obstructive sleep apnea syndrome]

V N Zhuravlev, M A Frank, A I Gomzhin
Urologii︠a︡ 2008, (2): 35, 37-9
Of 72 patients with obstructive sleep apnea syndrome (OSAS) 32 had erectile dysfunction (ED). OSAS patients with erectile dysfunction had hypogonadism in 24 cases, in 8 men testosterone level was normal. A polysomnographic investigation with monitoring of nocturnal spontaneous erections showed that 32 patients had severe sleep fragmentation with reduced or complete absence of REM and deep sleep phases. In nocturnal penile tumescencia quantitative and qualitative characteristics were abnormal suggesting organic nature of erectile dysfunction in these patients. Eight ED and OSAS patients with normal testosterone received standard OSAS therapy with administration of FDE-5 type inhibitors. Six months later improvement of the erectile function was observed in 6 patients. OSAS patients with hypogonadism were divided into 2 groups. Group 1 (n = 5) received CPAP therapy and group 2 (n = 19) received OSAS standard therapy. Group 2 was treated with inhibitors of FDE-5 type. Three months later improvement of erectile function was seen only in 8. Group 1 received the inhibitors and testosterone replacement. Three months later all 5 patients had no ED complaints, their testosterone was normal. It is recommended to perform monitoring of nocturnal spontaneous erections in the algorithm of examination of all men with OSAS. All patients with OSAS, ED and documented hypogonadism need testosterone replacement therapy if its level persists low despite adequate therapy of OSAS.

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