Effect of flexible negative pressure suction sheath combined with flexible ureteroscopy for lower calyx renal stone treatment
10.3969/j.issn.1671-8348.2025.04.007
- VernacularTitle:可弯曲负压吸引鞘联合输尿管软镜治疗肾下盏结石的效果研究
- Author:
Xin CHEN
1
;
Jiamo ZHANG
;
Huaming LUO
;
Zhenyan HE
Author Information
1. 重庆医科大学附属永川医院泌尿外科,重庆 402160
- Keywords:
lower calyx renal stones;
flexible ureteroscopy;
flexible negative pressure suction sheath;
minimally invasive surgery;
stone-free rate
- From:
Chongqing Medicine
2025;54(4):835-839
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the clinical efficacy of the combination of a flexible negative pres-sure suction sheath with ureteroscopy in the treatment of lower calyx renal stones.Methods This study in-cluded 169 patients with lower calyx calculi admitted to Yongchuan Hospital Affiliated to Chongqing Medical University from January 2021 to December 2023.they were divided into a control group(n=81)and an exper-imental group(n=89).The control group underwent traditional flexible ureteroscopic lithotripsy,while the experimental group underwent ureteroscopic lithotripsy combined with a flexible negative pressure suction sheath.The surgical time,postoperative infection status,complications,stone clearance rate,and stone compo-sition analysis were compared between the two groups.Results The experimental group showed shorter oper-ation time than the control group(P＜0.05).Postoperative inflammatory and infection indicators[procalcito-nin(PCT),C reactive protein(CRP),white blood cell count(WBC),systemic inflammatory response syn-drome(SIRS)incidence and positive blood culture rate]in the experimental group were significantly lower than those in the control group(P＜0.05 or P＜0.01).The experimental group also demonstrated lower inci-dence of postoperative fever,reduced back pain,lower urinary red blood cell counts and serum creatinine levels(P＜0.05 or P＜0.01)compared to the control group.The stone clearance rate was significantly higher in the experimental group(P＜0.01)than in control group.There was no statistically significant difference in the composition of stones of the two groups(P＞0.05).Conclusion The combination of a flexible negative pres-sure suction sheath with ureteroscopy for the treatment of lower calyx renal stones is an effective treatment method.
