https://doi.org/10.4081/aiua.2021.3.313

Stone free rate and clinical complications in patients submitted to retrograde intrarenal surgery (RIRS): Our experience in 571 consecutive cases

Vol. 93 No. 3 (2021)
Submitted: March 18, 2021
Accepted: May 7, 2021
Published: October 1, 2021
RIRS, Complications, Stone free rate
Abstract Views: 1454
PDF: 724
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Authors

Orazio Maugeri
omaugeri@gmail.com
Urology Unit - Cannizzaro Hospital, Catania, Italy.
Ettore Dalmasso
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Dario Peretti
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Fabio Venzano
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Germano Chiapello
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Carlo Ambruosi
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Claudio Dadone
Urology Unit - S. Croce and Carle Hospital, Cuneo, Italy.
Astrid Bonaccorsi
Urology Unit - Cannizzaro Hospital, Catania, Italy.
Pietro Pepe
Urology Unit - Cannizzaro Hospital, Catania, Italy.
Letterio D’Arrigo
Urology Unit - Cannizzaro Hospital, Catania, Italy.
Michele Pennisi
Urology Unit - Cannizzaro Hospital, Catania, Italy.

Introduction: The purpose of this study is to report the stone free rate (SFR) and clinical complications in patients submitted to retrograde intrarenal surgery (RIRS).
Materials and methods: A total of 571 procedures of upper urinary stones treated using flexible ureteroscopy and holmium laser lithotripsy from January 2014 to February 2020 have been analyzed. Overall SFR was evaluated after 3 months following the procedure by means of a non-contrast computed tomography. Success was considered as stone-free status or ≤ 0.4 cm fragments.
Results: The overall SFR was 92.3% in group 1 (stone size: < 1 cm), 88.3% in group 2 (stone size: > 1 ≤ 2 cm), 56.7% in group 3 (stone size: 2-3 cm) and 69.6% in group 4 (multiple stones). Post-operative complications, according to the Clavien- Dindo (CD) classification system, were recorded in 32 (5.6%) procedures. The major complications recorded were: one case of subcapsular hematoma (SRH) associated with pulmonary embolism two days after the procedure (CD Grade IIIa) treated conservatively and one case of hemorrhagic shock 2 hour with multiple renal bleedings requiring urgent nephrectomy (CD Grade IVA).
Conclusions: The RIRS is an effective and safe procedure with a high SFR significantly correlated with the stone size; at the same time, RIRS could be characterized by severe clinical complications that require rapid diagnosis and prompt treatment.

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How to Cite

Maugeri, O., Dalmasso, E. ., Peretti, D. ., Venzano, F. ., Chiapello, G. ., Ambruosi, C. ., Dadone, C. ., Bonaccorsi, A. ., Pepe, P. ., D’Arrigo, L. ., & Pennisi, M. . (2021). Stone free rate and clinical complications in patients submitted to retrograde intrarenal surgery (RIRS): Our experience in 571 consecutive cases. Archivio Italiano Di Urologia E Andrologia, 93(3), 313–317. https://doi.org/10.4081/aiua.2021.3.313

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