RIRS 联合前端可弯曲负压吸引鞘治疗上尿路结石的临床疗效及对术后短期并发症的影响

doi:10.3969/j.issn.2095-378X.2026.01.009

Abstract

Abstract: Objective To study the efficacy of retrograde intrarenal surgery （RIRS） combined with front flexible negative pressure suction sheath in the treatment of upper urinary tract calculi. Methods A total of 60 patients with upper urinary tract calculi admitted to our hospital from May 2024 to April 2025 were randomly divided into an observation group and a control group according to random number table method, with 30 cases in each group. The control group was treated with RIRS combined with ordinary flexible ureteroscope sheath, and the observation group was treated with RIRS combined with front flexible negative pressure suction sheath. The stone clearance rate, pain degree [visual analogue scale （VAS） score], inflammatory indicators [white blood cell count （WBC） and high-sensitivity C-reactive protein （hs-CRP）], stress indicators [epinephrine （E） and norepinephrine （NE）], and complication incidence were compared between the two groups. Results The observation group showed a significantly higher stone clearance rate than the control group （P<0.05）. There was no significant difference in VAS score between the two groups before surgery （P>0.05）, but the postoperative VAS score in the observation group [（4.26±1.26） points] was significantly lower than that in the control group [（6.36±1.51） points; t=5.849, P<0.05]. No significant differences were observed in WBC and hs-CRP levels between the two groups before surgery （P>0.05）, but the improvement of WBC and hs-CRP levels in the observation group was significantly larger than that in the control group （P<0.05）. No significant differences were observed in stress indicators between the two groups before surgery （P>0.05）, but the postoperative stress hormone level in the observation group was significantly lower than that in the control group （P<0.05）. The complication incidence in the observation group was significantly lower than that in the control group （P<0.05）. Conclusion RIRS combined with front front flexible negative pressure suction sheath in the treatment of upper urinary tract calculi has significant advantages in improving stone clearance rate, allevating postoperative pain, and reducing postoperative inflammation, stress response, and complications, which is worthy of promoting in clinical practice.

Key words: Retrograde intrarenal surgery, Front flexible negative pressure suction sheath, Upper urinary tract stones, Efficacy, Complications

CLC Number:

YANG Dahong, GONG Hanzhong, WANG Li. Clinical efficacy and short-term postoperative complications of RIRS combined with front flexible negative pressure suction sheath in treatment of upper urinary tract stones[J]. Surgical Research and New Technique, 2026, 15(1): 39-42.

References

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Clinical efficacy and short-term postoperative complications of RIRS combined with front flexible negative pressure suction sheath in treatment of upper urinary tract stones

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