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首页> 外文期刊>The journal of sexual medicine >Does Anatomy of the Pubic Arch Interfere with the Maintaining of Erection?
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Does Anatomy of the Pubic Arch Interfere with the Maintaining of Erection?

机译：耻骨弓的解剖结构是否会妨碍勃起的维持？

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Aim. There are men who suffer from unsustainable erections without any identified cause of erectile dysfunction, raising the question if anatomical alterations could be involved. Since early anatomical studies, it has been proposed that to achieve full penile rigidity, the blood must be blocked inside the penis by compression of the deep dorsal vein (DDV), the main venous collector under pubic symphysis. Using a recently developed caverno computed tomography (CT) scan technique, allowing the evaluation of the venous drainage of the corpora cavernosa (CC) during erection, we have studied some anatomical conditions of this important part of the erectile phenomenon. Methods. Puboischial rami angles were measured in axial CT images and calculated strictly on the upper insertion point of the CC, using axial submillimeter slices in 37 patients divided into 3 groups depending on the results of the caverno CT scan: (i) no leak; (ii) superficial veins leaking; and (iii) drainage through the DDV and/or preprostatic plexus. In addition same angles were measured in two randomly unselected populations of men (N=30), and women (N=23) who underwent pelvic CT scan for various reasons, unrelated to their sexual or genital condition. Main Outcome Measures. The angles made by both puboischial rami were measured in patients with and without veno-occlusive dysfunction and in unselected samples of men and women. Results. There is a significantly wider angle made by both puboischial rami in men without complete erection and without evidence of anomalous venous drainage (group 3) (72.2???4.7??standard deviation [SD]), compared with both men with normal erection (group 1) (57.5??5??SD) P<0.00001, and men with incomplete erection and evidence of anomalous drainage (group 2) (57.7??6??SD) P<0.00001. Conclusions. If confirmed in larger samples, these results raise new questions on the mechanism and the role of these significant anatomical variations, yet unknown, in maintaining or not full rigid erections. ? 2012 International Society for Sexual Medicine.
机译：目标。有些男人患有不可持续的勃起，没有任何确定的勃起功能障碍原因，这引发了一个问题，即是否可能涉及解剖学改变。自从早期的解剖学研究以来，已经提出要获得完全的阴茎刚度，必须通过压缩深背静脉（DDV）（耻骨联合下的主要静脉收集器）来压缩阴茎内部的血液。使用最近开发的海绵体计算机断层扫描（CT）扫描技术，可以评估勃起期间海绵体（CC）的静脉引流，我们研究了勃起现象这一重要部分的一些解剖学条件。方法。在轴向CT图像中测量青春期rami角，并严格按照CC的上插入点进行计算，根据海绵体CT扫描的结果，使用轴向亚毫米波切片将37例患者分为3组：（i）无渗漏; （ii）浅静脉渗漏; （iii）通过DDV和/或前列腺前神经丛引流。此外，在由于各种原因而与骨盆或生殖器状况无关的各种原因进行了骨盆CT扫描的男性（N = 30）和女性（N = 23）两个随机未选人群中，测量了相同的角度。主要观察指标。在有和没有静脉阻塞功能障碍的患者以及未选择的男性和女性样本中，测量了两个耻骨拉米的角度。结果。与正常勃起的两个男性相比，没有完全勃起且没有静脉引流异常迹象的男性中，两个青春期拉米所形成的角度明显更宽（第3组）（72.2±4.7°标准差[SD]）。组1）（57.5 ?? 5 ?? SD）P <0.00001，而勃起不完全且引流异常的男性（组2）（57.7 ?? 6 ?? SD）P <0.00001。结论。如果在更大的样本中得到证实，这些结果将对这些显着的解剖变异（仍未知）在维持或不完全刚性勃起的机制和作用方面提出新的问题。 ？ 2012年国际性医学学会。

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