Efficacy of ultra-fine percutaneous nephroscopy in treatment of calculi (≤1 cm) in calyceal diverticulum without hydronephrosis

doi:10.3877/cma.j.issn.1674-0785.2021.02.005

Abstract

Abstract:

Objective

To investigate the clinical value of ultra-fine percutaneous nephroscopy in the treatment of calculi (≤1 cm) in calyceal diverticulum without hydronephrosis.

Methods

A retrospective analysis was performed on data of 31 cases with calculi in calyceal diverticulum without hydronephrosis at Xuzhou Central Hospital from May 2017 to May 2019, including 17 cases of ultra-fine percutaneous nephrolithotripsy (UMP group) and 14 cases of ureteral holmium laser lithotripsy (RIRS group). The operative time, postoperative hemoglobin reduction, and postoperative hospital stay were compared by the independent sample t-test between the two groups, and the χ² test was used to compare the difference of stone removal rate and the Clavien grade of postoperative complications.

Results

The time of operation in the UMP group was shorter than that in the RIRS group [(47.59±6.07) min vs (53.21±5.15) min, t=-2.746, P=0.010], and the rate of stone removal was higher than that in the RIRS group (94.118% vs 57.142%, P=0.028). The Clavien grade of postoperative complications was significantly better than that in the RIRS group (P=0.031). However, there was no significant difference between the two groups in terms of hemoglobin reduction and hospital stay (P＞0.05).

Conclusion

Ultra-fine percutaneous nephroscopy is a safe, effective, and rapid method to treat calculi in calyceal diverticulum without hydrocephalus, which is less than 1 cm.

Key words: Ultra-fine percutaneous nephroscopy, Calyceal diverticulum calculi, Flexible ureteroscope

Zhenduo Shi, Yan Zhao, Jiahe Zhou, Lin Hao, Bingzheng Dong, Kun Pang, Yufeng Sun, Conghui Han. Efficacy of ultra-fine percutaneous nephroscopy in treatment of calculi (≤1 cm) in calyceal diverticulum without hydronephrosis[J]. Chinese Journal of Clinicians(Electronic Edition), 2021, 15(02): 109-112.

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URL: https://zhlcyszz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1674-0785.2021.02.005

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Figures/Tables 2

组别	例数	性别（例，男/女）	年龄（岁， $x ¯$ ±s）	结石负荷（cm， $x ¯$ ±s）	结石侧别（例，左/右）	结石分布（例，上/中/下）
肾镜组	17	12/5	38.65±6.61	7.71±1.10	8/9	5/6/6
软镜组	14	7/4	40.36±8.82	8.43±0.85	6/8	5/3/6
统计值		-	t=-0.617	t=-2.004	-	χ²=0.000
P值		1.000	0.542	0.055	0.815	0.699

组别	例数	性别（例，男/女）	年龄（岁， $x ¯$ ±s）	结石负荷（cm， $x ¯$ ±s）	结石侧别（例，左/右）	结石分布（例，上/中/下）
肾镜组	17	12/5	38.65±6.61	7.71±1.10	8/9	5/6/6
软镜组	14	7/4	40.36±8.82	8.43±0.85	6/8	5/3/6
统计值		-	t=-0.617	t=-2.004	-	χ²=0.000
P值		1.000	0.542	0.055	0.815	0.699

组别	例数	手术时间（min， $x ¯$ ±s）	术后血红蛋白下降值（g/L， $x ¯$ ±s）	清石率（%）	术后住院时间（d， $x ¯$ ±s）	术后并发症Clavien系统分级（例，1级/2级）	憩室改善率（%）
肾镜组	17	47.59±6.07	16.71±6.94	94.118	4.24±0.83	14/3	82.353
软镜组	14	53.21±5.15	18.79±2.61	57.142	4.86±0.95	6/8	85.714
统计值		t=-2.746	t=1.060	-	t=-1.944	-	-
P值		0.010	0.298	0.028	0.062	0.031	1.000

组别	例数	手术时间（min， $x ¯$ ±s）	术后血红蛋白下降值（g/L， $x ¯$ ±s）	清石率（%）	术后住院时间（d， $x ¯$ ±s）	术后并发症Clavien系统分级（例，1级/2级）	憩室改善率（%）
肾镜组	17	47.59±6.07	16.71±6.94	94.118	4.24±0.83	14/3	82.353
软镜组	14	53.21±5.15	18.79±2.61	57.142	4.86±0.95	6/8	85.714
统计值		t=-2.746	t=1.060	-	t=-1.944	-	-
P值		0.010	0.298	0.028	0.062	0.031	1.000

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