Snodgrass Warren, Bush Nicol
University of Texas Southwestern Medical Center and Children's Medical Center 1935 Medical District Drive, Dallas, TX 75235 USA.
F1000Prime Rep. 2014 Nov 4;6:101. doi: 10.12703/P6-101. eCollection 2014.
Hypospadias is the second most common birth anomaly, affecting 1 of every 300 males. The abnormal position of the urinary opening, and associated downward curvature of the penis in some cases, potentially impact both urinary and sexual function. Modern surgical correction most often involves tubularization of the urethral plate, those tissues which normally should have completed urethral development. This article discusses recent progress in hypospadias repair. Prospective data collection in consecutive patients promotes better understanding of both patient and technical factors that influence surgical complications. Patients with a proximal urinary opening near or within the scrotum, those failing prior to repairs, and/or those with a small glans diameter have increased likelihood for urethroplasty complications. Quality review of reliable data led to two layer urethroplasty covered with tunica vaginalis in proximal repairs, significantly reducing postoperative fistulas. Neither preoperative androgens used to grow a small diameter glans, nor a change in sutures used to approximate the glans wings reduced wound dehiscence, but a recent technical modification of the glansplasty with more extensive dissection before suturing has. The observation that reoperation increases risk for further complications three-fold suggests the less common proximal repairs and reoperations should be subspecialized so that designated surgeons can gain greater expertise. In addition, surgeons performing hypospadias repair must better define the complications that occur so that scientific reporting of outcomes becomes more standardized. Standardized objective means to assess results are also needed so that surgeons performing different repairs can compare outcomes.
尿道下裂是第二常见的先天性异常,每300名男性中就有1人受其影响。尿道口位置异常,在某些情况下还伴有阴茎向下弯曲,这可能会影响排尿和性功能。现代手术矫正通常涉及尿道板的管状化,尿道板是那些正常情况下应已完成尿道发育的组织。本文讨论了尿道下裂修复的最新进展。对连续患者进行前瞻性数据收集有助于更好地了解影响手术并发症的患者因素和技术因素。尿道口靠近阴囊或在阴囊内、既往修复失败的患者,以及/或者龟头直径较小的患者发生尿道成形术并发症的可能性增加。对可靠数据的质量评估导致在近端修复中采用两层尿道成形术并覆盖阴道鞘膜,显著减少了术后瘘管的发生。术前使用雄激素增大小直径龟头,以及改变用于缝合龟头翼的缝线,均未减少伤口裂开,但最近在缝合前进行更广泛解剖的龟头成形术技术改进做到了这一点。再次手术会使进一步并发症的风险增加两倍这一观察结果表明,不太常见的近端修复和再次手术应进行专科化,以便指定的外科医生能够获得更丰富的专业知识。此外,进行尿道下裂修复的外科医生必须更好地界定所发生的并发症,以便对结果的科学报告更加标准化。还需要标准化的客观方法来评估结果,以便进行不同修复手术的外科医生能够比较结果。