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目的:探讨口腔黏膜尿道成形治疗复杂性尿道狭窄影响疗效的相关因素。方法:对采用口腔黏膜替代尿道成形术76例患者的尿道狭窄位置与长度、口腔黏膜宽度、术前手术次数、支架管留置时间等与狭窄复发率进行单因素分析。结果:76例随访3～60个月,平均24.1个月,术后初期排尿通畅61例(80.3%);再次狭窄15例,其中3例同时伴尿道皮肤瘘,4例伴尿道假性憩室。2例经数次尿道扩张、8例再次手术后排尿通畅,总成功率为93.4%。结论:尿道狭窄复发率与黏膜宽度明显相关(P<0.05)。在0.8～2.0cm范围内口腔黏膜条越宽,尿道狭窄发生率越低;狭窄长度与术前手术次数对短期狭窄复发率无明显影响。
Objective: To investigate the factors that affect the efficacy of oral mucosal urethroplasty in the treatment of complicated urethral stricture. Methods: One-factor analysis was performed on the location and length of urethral stricture, the width of oral mucosa, the number of preoperative operation, the indwelling time of stent and the recurrence rate of stenosis in 76 patients with oral mucosa instead of urethroplasty. Results: 76 cases were followed up for 3 to 60 months with an average of 24.1 months. Initial urination was performed in 61 cases (80.3%). In the other 15 cases, there were 15 cases of narrow stenosis again. 3 cases had urethral skin fistula and 4 cases had urethral pseudo-diverticulum. 2 cases of urethral dilatation by several, 8 cases of reoperation urination, the total success rate of 93.4%. Conclusion: The recurrence rate of urethral stricture was significantly correlated with mucosal width (P <0.05). In the range of 0.8-2.0cm, the wider the oral mucosal strips, the lower the incidence of urethral stricture; the length of stenosis and the number of preoperative surgical procedures had no significant effect on the recurrence rate of short-term stenosis.