Engel G, Burnham S J, Carter M F
Fertil Steril. 1978 Dec;30(6):687-90. doi: 10.1016/s0015-0282(16)43697-6.
Identification of specific etiologies of erectile impotence is hindered by a paucity of objective criteria needed to segregate organic from psychogenic varieties and to define specific organic causes. Simplified measurement of penile blood pressure was performed with a digital cuff and a portable ultrasound Doppler system for flow detection. An index relating penile-to-brachial systolic blood pressure was generated, and the results were compared in patients with impotence versus patients with normal erections. The mean indices for the two groups were significantly different (P less than 0.05). The penile-to-brachial index provides an additional diagnostic tool in the evaluation of potency, allowing us to identify those patients with decreased penile blood flow, and may be helpful in selecting patients for revascularization procedures.
勃起功能障碍特定病因的识别受到客观标准匮乏的阻碍，这些标准用于区分器质性和心因性类型，并确定特定的器质性病因。使用数字袖带和便携式超声多普勒系统进行阴茎血压的简化测量以检测血流。生成阴茎与肱动脉收缩压的指数，并将阳痿患者与勃起正常患者的结果进行比较。两组的平均指数有显著差异（P小于0.05）。阴茎与肱动脉指数为勃起功能评估提供了一种额外的诊断工具，使我们能够识别阴茎血流减少的患者，并且可能有助于选择适合血管重建手术的患者。
