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Chinese Journal of Endourology(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (03): 359-364. doi: 10.3877/cma.j.issn.1674-3253.2025.03.013

• Clinical Research • Previous Articles     Next Articles

Analysis of factors influencing the clinical efficacy of emergency extracorporeal shock wave lithotripsy in the treatment of ureteral calculi

Xiaodong Tan1, Qiang Dai1,2,(), Jin Zhang1, Peng Huang1, Xin Zhang1, Shanshan Chen1, Hongxue Zhu1, Zili Wang3   

  1. 1. Department of Urology, Third People's Hospital of Xindu District, Chengdu 610504, China
    2. Chengdu Medical College, Chengdu 610500, China
    3. Department of Urology, Affiliated Hospital of Chengdu University, Chengdu 610036, China
  • Received:2024-04-18 Online:2025-06-01 Published:2025-05-22
  • Contact: Qiang Dai

Abstract:

Objective

To analyze the various factors affecting the efficacy of emergency ultrasound-guided extracorporeal shock wave lithotripsy (ESWL) in the treatment of ureteral calculi.

Methods

1 139 patients with emergency ureteral or pelevis calculi who underwent ultrasound-guided ESWL in the Third People's Hospital of Xindu District, Chengdu from May 2020 to April 2022 were selected.And 988 patients were successfully followed up, among them, 929 cases were ureteral calculi.Based on the success or failure of the ESWL, the patients were divided into two groups.Univariate and multivariate analyses were conducted to identify the factors influencing the efficacy of emergency ESWL.

Results

The total success rate of ESWL was 80.41(747/929), and the one-time success rate of ESWL was 73.18%.Some of patients had mild gross hematuria, subcutaneous hemorrhage, renal colic and other complications, and the symptoms disappeared immediately after ESWL.Univariate analysis showed statistically significant differences in the size, location, CT value, and time from symptom onset to lithotripsis were associated with the efficacy of emergency ESWL (P<0.05), while multivariate analysis only showed statistically significant differences in CT value of calculi (P<0.05).

Conclusions

Emergency ESWL treatment is a safe and effective minimally invasive method.The CT value of calculi is important factor affecting the effect of lithotripsy.

Key words: Ureteral calculi, ESWL, Stone CT value, Ultrasound guidance, Emergency treatment

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