Hossain A Z M Z, Khan S A, Hossain S, Salam M A
Deptt. of Urology, Dhaka Medical College Hospital.
Bangladesh Med Res Counc Bull. 2004 Aug;30(2):78-80.
A prospective cross-sectional study was carried-out in the department of urology, Dhaka Medical College Hospital (DMCH) to evaluate the outcome of Laser urethrotomy for the treatment of urethral stricture. For this purpose, 30 male patients aged 15 to 60 years with short segment anterior urethral stricture (>2cm) were treated by HO:YAG Laser. The energy used for this purpose was 0.8 to 1.5 joules by LISA 80 Watt Holmium Laser machine. All patients were catheterized for less than 24 hours and were followed up for 6 to 12 months postoperatively by uroflowmetry and by retrograde with voiding cystourethrogram 3 monthly. The study revealed that out of 30 patients, 27(90%) showed good flow of urine (Qave>16.0 ml/sec) and adequate caliber urethra in retrograde urethrogram (RGU). Only 3(10%) patients showed narrow stream of urine (Qave<8.0 ml/sec) and recurrent stricture in RGU which were managed by optical internal urethrotomy (OIU) and clean intermittent self catheterization (CISC). The study showed satisfactory results in 90% cases with short term follow up. The study concludes that HO:YAG Laser urethrotomy for the treatment of short segment urethral stricture is highly effective. The study further reveals that the method is simple, safe and thus, it can be considered favorably as a new therapeutic option for the treatment of urethral stricture. However, long term follow up is necessary for making a final comment on this issue.
在达卡医学院医院泌尿外科开展了一项前瞻性横断面研究,以评估激光尿道切开术治疗尿道狭窄的效果。为此,对30例年龄在15至60岁之间、患有短段前尿道狭窄(>2cm)的男性患者进行了钬激光治疗。使用LISA 80瓦钬激光机,为此目的所使用的能量为0.8至1.5焦耳。所有患者导尿时间均少于24小时,术后通过尿流率测定以及每3个月进行一次逆行排尿膀胱尿道造影进行6至12个月的随访。研究显示,在30例患者中,27例(90%)在逆行尿道造影(RGU)中显示尿流良好(平均尿流率>16.0 ml/秒)且尿道口径合适。只有3例(10%)患者在RGU中显示尿流变细(平均尿流率<8.0 ml/秒)且出现复发性狭窄,这些患者通过光学内尿道切开术(OIU)和清洁间歇性自家导尿(CISC)进行处理。短期随访显示90%的病例结果令人满意。该研究得出结论,钬激光尿道切开术治疗短段尿道狭窄非常有效。该研究进一步表明,该方法简单、安全,因此,可以被视为治疗尿道狭窄的一种良好的新治疗选择。然而,对此问题作出最终评价需要长期随访。