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目的:探讨夜间生物电阻抗容积测定(NEVA)在诊断勃起功能障碍(ED)中的应用价值。方法:对临床怀疑ED的100例患者进行NEVA测定。其中58例怀疑血管性ED,将该测定与阴茎海绵体造影联合彩超检查进行比较。结果:10例糖尿病性ED中有2例夜间阴茎勃起(NPT)正常,2例为动脉供血不足,6例无NPT。4例内分泌性ED患者中,2例NPT正常,2例无NPT。20例心理性ED的患者中,16例NPT正常,1例为动脉供血不足,3例无NPT。58例怀疑血管性ED的患者中确诊者有30例,其中18例为动脉性,12例为静脉性,非血管性ED28例。而应用NEVA发现在30例血管性ED中6例NPT正常,28例非血管性ED中4例NPT异常。8例外伤性ED中,2例腰椎骨折患者的NPT表现为轻度动脉供血不足;3例骨盆骨折患者中2例NPT正常,1例无NPT;3例骨盆骨折并发-后尿道断裂的患者,2例NPT正常,1例NPT提示动脉供血不足。结论:NE-VA对临床上怀疑心理性ED和血管性ED的诊断有较好的参考价值。
Objective: To investigate the value of NEVA in the diagnosis of erectile dysfunction (ED). Methods: NEVA was measured in 100 patients with clinically suspected ED. 58 cases of suspected vascular ED, the determination of penile cavernous contrast with color Doppler ultrasound examination were compared. Results: Two of 10 diabetic ED patients had normal nocturnal penile erection (NPT), two patients had inadequate arterial blood supply and 6 patients had no NPT. Of the 4 endocrine ED patients, 2 had normal NPT and 2 had no NPT. Of the 20 patients with psychogenic ED, 16 had normal NPT, 1 had arterial insufficiency, and 3 had no NPT. Of the 58 patients suspected of vascular ED, 30 were diagnosed, of which 18 were arterial and 12 were venous and non-vascular ED28. NEVA was found in 6 cases of 30 cases of vascular ED NPT normal, 28 cases of non-vascular ED in 4 cases of NPT abnormalities. In 8 cases of traumatic ED, NPT of 2 patients with lumbar fracture showed mild arterial insufficiency; 2 of 3 patients with pelvic fracture had normal NPT and 1 without NPT; 3 patients with pelvic fracture complicated with posterior urethral fracture, 2 cases of normal NPT, 1 case of NPT prompt arterial insufficiency. Conclusion: NE-VA is a good reference value for the diagnosis of clinically suspected ED and vascular ED.