Type of anesthesia and outcomes of flexible ureterorenoscopy in a Colombian centre

Type of anesthesia and outcomes of flexible ureterorenoscopy in a Colombian centre

Andrés González-Arboleda 1, 2 , David Castañeda-Millán 1, 2, 3

1 Unidad de Urología, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; 2 Grupo de Investigación e Innovación en Urología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; 3 Servicio de Urología, Servicios Médicos Especializados, Clínica del Occidente, Bogotá, Colombia

*Correspondence: David Castañeda-Millán. Email: dacastanedam@unal.edu.co

Abstract

Objective: To characterize the safety profile of flexible ureterorenoscopy according to the type of anesthesia in a hospital center in Bogotá, Colombia. Method: A retrospective cohort study that included patients who underwent flexible ureterorenoscopy between January 2022 and March 2024. Postoperative (PO) intensive care unit (ICU) requirement, fever, uncontrolled postoperative pain, hospital stay, and readmission were analyzed. Univariate, bivariate and multivariate analyses were performed to compare outcomes according to the type of anesthesia. Results: A total of 139 procedures were included. The median age was 42 years; 57.6% were male and 42.4% female. Regional anesthesia was administered in 53.3% of cases. In the general anesthesia group, there were no PO ICU admissions; 1.5% developed fever and 3% experienced uncontrolled PO pain. The median hospital stay was 2 days. Readmission at 7 and 30 days post-procedure occurred in 6.1% of patients. In the regional anesthesia group, 2.7% required PO ICU admission, with no reports of fever or uncontrolled PO pain. The median hospital stay was 1 day, with readmission rates at 7 and 30 days of 10.8% and 9.4%, respectively. No statistically significant differences were found in PO ICU admission, fever, uncontrolled pain, or readmission at 7 or 30 days based on the type of anesthesia administered. Conclusions: Flexible ureterorenoscopy is a safe surgical technique regardless of the type of anesthesia used. No clinically relevant differences were observed in the outcomes of interest according to the type of anesthesia.

Keywords: Nephrolithiasis. Ureterolithiasis. General anesthesia. Regional anesthesia.

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