Abstract

ObjectiveTo present our program for ambulatory mini percutaneous nephrolithotomy and evaluate its initial results. Material and methodsWe analyzed the implementation of the protocol into the clinical practice with the first 30 outpatient mini percutaneous nephrolithotomy cases performed in our center between April 2021 and September 2022. Demographic characteristics, perioperative variables, complications and need for unplanned health care, stone-free rate, stone type and patient satisfaction with the major ambulatory surgery process were collected. ResultsA total of 30 patients with a mean age of 60.2±11.6 years who met the inclusion criteria underwent surgery. The mean stone size was 15mm [range: 5-20]. No intraoperative complications were recorded. All patients except one were discharged the same day of surgery as planned. In the month following discharge, the rate of complications, emergency department revisits or hospital readmissions rates were 0%. Stone-free-rate at 3 months was 83%. Overall satisfaction with the whole perioperative process was assessed with the EVAN-G questionnaire, obtaining 124.3 points out of a maximum of 150, which is equivalent to a 78.6% level of satisfaction. ConclusionAmbulatory mini percutaneous nephrolithotomy can be implemented as a treatment option in centers with experience in endourology, an established major ambulatory surgery unit, and strictly selected patients. Our initial results show an adequate safety profile and high overall satisfaction perceived by patients undergoing the ambulatory approach.

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