Butt Amar-ul-Ala, Khurram Muhammad, Ahmed Ashfaq, Hasan Zubair, Rehman Ahmed, Farooqi M A
Department of Urology, Rawalpindi General Hospital/Rawalpindi Medical College, Rawalpindi.
J Coll Physicians Surg Pak. 2005 Oct;15(10):638-41.
To determine the outcome of patients undergoing extracorporeal shock wave lithotripsy (ESWL) for treatment of upper urinary tract calculi (renal and ureteric), and to note role of double-J (DJ) stents in these patients.
A cross-sectional analytical study.
Department of Urology, Rawalpindi General Hospital, Rawalpindi, from February 1999 to July 2001.
Record of patients who underwent ESWL for renal and ureteric stones was retrieved and analyzed using statistical program, SPSS version-10 and Epi-Info 2000. In some patients pre-ESWL DJ stents were placed because of various reasons like solitary kidney, large stone volume etc. Patients were divided in two groups, Group I, in whom DJ stents were not placed, and Group II, in whom DJ stents were placed. ESWL was performed in each subject in standard way employing piezoelectric lithotripter E.D.A.P. LT 02X. Patients were evaluated for stone clearance fortnightly with X-ray or ultrasound.
Four hundred and thirty-two patients, 68.8% male and 31.2% female, underwent ESWL. Mean age of patients was 37.7 +/- 13.1 years. Majority of patients (78.47%, n = 339) had renal, while rest had ureteric stones. Group I and II included 408 (94.4%) and 24 (5.6%) patients respectively. Renal stones were present in 78% (n=318) of Group I and 87.5% [n = 21] of Group II patients. Mean size of stones in Group I and II patients was 10.91 +/- 4.6, and 10.4 +/- 4.7mm. Stone clearance was 96.3% and 100% in Group I and Group II patients respectively. Significantly more ESWL sessions were required for stone clearance in Group II (p-value 0.03); in addition Group II patients had significantly more complications (p-value 0.01).
ESWL is an effective procedure. Pre-ESWL stenting is associated with increased numbers of ESWL sessions and more complications.
确定接受体外冲击波碎石术（ESWL）治疗上尿路结石（肾和输尿管结石）患者的治疗结果，并观察双J（DJ）支架在这些患者中的作用。
横断面分析研究。
1999年2月至2001年7月，拉瓦尔品第综合医院泌尿外科。
检索并分析接受ESWL治疗肾和输尿管结石患者的记录，使用统计软件SPSS版本10和Epi-Info 2000。部分患者因各种原因如孤立肾、结石体积大等在ESWL术前放置DJ支架。患者分为两组，第一组未放置DJ支架，第二组放置DJ支架。采用压电碎石机E.D.A.P. LT 02X以标准方式对每位受试者进行ESWL。每两周用X线或超声对患者进行结石清除情况评估。
432例患者接受了ESWL，男性占68.8%，女性占31.2%。患者平均年龄为37.7±13.1岁。大多数患者（78.47%，n = 339）患有肾结石，其余为输尿管结石。第一组和第二组分别包括408例（94.4%）和24例（5.6%）患者。第一组78%（n = 318）的患者和第二组87.5%（n = 21）的患者患有肾结石。第一组和第二组患者结石的平均大小分别为10.91±4.6和10.4±4.7mm。第一组和第二组患者的结石清除率分别为96.3%和100%。第二组结石清除所需的ESWL治疗次数明显更多（p值为0.03）；此外，第二组患者的并发症明显更多（p值为0.01）。
ESWL是一种有效的治疗方法。ESWL术前放置支架与ESWL治疗次数增加和更多并发症相关。
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