Analysis of the risk factors of ureterostenosis after ureteroscopic lithotripsy in patients with ureteral calculi

doi:10.3877/cma.j.issn.1674-3253.2017.01.011

Abstract

Abstract:

Objective

To investigate the risk factors of ureteral stricture after ureteroscopic lithotripsy in patients with ureteral calculi.

Methods

The risk factors of ureteral stricture after ureteroscopic lithotripsy based on the clinical data of 708 patients from January 2014 to December 2015 in our hospital were analyzed retrospectively.

Results

A total of 36 patients (5.1%) with ureteral stricture were found. The risk factors for the ureteral stricture were: impacted calculi (OR=3.61, 95%CI=2.12~6.08, P<0.001), multiple calculi(OR=3.22, 95%CI=1.01~5.77, P<0.001), big stone(OR=2.41, 95%CI=1.14~4.18, P<0.001), holmium laser lithotripsy (OR=1.36, 95%CI=1.02~3.93, P=0.031), long course of disease (OR=1.12,95%CI=1.02~3.42, P=0.038).

Conclusion

For patients with impacted calculi, multiple stones, large stones and patients who were treated with holmium laser lithotripsy, we should be careful not to injury the ureter, and actively prevent and control the occurrence of ureteral stenosis

Key words: Ureteroscope, Ureteral calculi, Ureteral stricture, Risk factors, Multiple factors

Zhaohua Ye, Qiwu Mi, Jiexin Luo, Dejun Li, Youjun Chen. Analysis of the risk factors of ureterostenosis after ureteroscopic lithotripsy in patients with ureteral calculi[J]. Chinese Journal of Endourology(Electronic Edition), 2017, 11(01): 46-48.

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URL: https://zhqjmnmwkzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1674-3253.2017.01.011

https://zhqjmnmwkzz.cma-cmc.com.cn/EN/Y2017/V11/I01/46

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References 12

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因素	例数	性别		年龄		病程		结石长径			结石部位
因素	例数	男	女	<50岁	≥50岁	<3月	≥3月	<1 cm	1~2 cm	>2 cm	上部	中部	下部
狭窄	36	21	15	20	16	12	24	12	8	16	5	16	15
无狭窄	672	384	288	357	315	426	246	462	153	57	82	297	293
χ²值	?	0.020		0.081		13.087		-5.328			0.109
P值	?	0.888		0.776		<0.001		<0.001			0.947
因素	多发结石		合并息肉		嵌顿结石		治疗方式		置留双J管时间
因素	是	否	是	否	是	否	钬激光	气压弹道	≤4周	>4周
狭窄	13	23	10	26	28	8	30	6	16	20
无狭窄	115	557	147	525	228	444	395	277	366	306
χ²值	8.327		0.690		24.655		8.585		1.381
P值	0.004		0.406		<0.001		0.003		0.240

因素	例数	性别		年龄		病程		结石长径			结石部位
因素	例数	男	女	<50岁	≥50岁	<3月	≥3月	<1 cm	1~2 cm	>2 cm	上部	中部	下部
狭窄	36	21	15	20	16	12	24	12	8	16	5	16	15
无狭窄	672	384	288	357	315	426	246	462	153	57	82	297	293
χ²值	?	0.020		0.081		13.087		-5.328			0.109
P值	?	0.888		0.776		<0.001		<0.001			0.947
因素	多发结石		合并息肉		嵌顿结石		治疗方式		置留双J管时间
因素	是	否	是	否	是	否	钬激光	气压弹道	≤4周	>4周
狭窄	13	23	10	26	28	8	30	6	16	20
无狭窄	115	557	147	525	228	444	395	277	366	306
χ²值	8.327		0.690		24.655		8.585		1.381
P值	0.004		0.406		<0.001		0.003		0.240

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