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The efficacy of retrograde intra-renal surgery (RIRS) for lower pole stones: results from 2946 patients

Giulioni C 1 , Castellani D 2 , Somani BK 3 , Chew BH 4 , Tailly T 5 , Keat WOL 6 Show all authors , Teoh JY 7 , Emiliani E 8 , Chai CA 9 , Galosi AB 2 , Ragoori D 10 , Tanidir Y 11 , Hamri SB 12 , Gadzhiev N 13 , Traxer O 14 , Gauhar V 15

Affiliations 

  • 1 Urology Unit, Azienda Ospedaliero-Universitaria delle Marche, Polytechnic University of Marche, Ancona, Italy. carlo.giulioni9@gmail.com
  • 2 Urology Unit, Azienda Ospedaliero-Universitaria delle Marche, Polytechnic University of Marche, Ancona, Italy
  • 3 Department of Urology, University Hospitals Southampton, NHS Trust, Southampton, UK
  • 4 Department of Urology, University of British Columbia, Vancouver, Canada
  • 5 Department of Urology, University Hospital of Ghent, Ghent, Belgium
  • 6 Department of Urology, Penang General Hospital, Penang, Malaysia
  • 7 Department of Surgery, Faculty of Medicine, S.H. Ho Urology Centre, The Chinese University of Hong Kong, Hong Kong, China
  • 8 Urology Department, Fundación Puigvert, Universidad Autónoma de Barcelona, Barcelona, Spain
  • 9 Department of Surgery, Urology Unit, University Malaya, Kuala Lumpur, Malaysia
  • 10 Department of Urology, Asian Institute of Nephrology and Urology, Irram Manzil Colony, Hyderabad, Telangana, India
  • 11 Department of Urology, Marmara University School of Medicine, Istanbul, Turkey
  • 12 Division of Urology, Department of Surgery, Ministry of the National Guard Health Affairs, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
  • 13 Endourology Department, Saint-Petersburg State Medical University, Saint-Petersburg, Russia
  • 14 Department of Urology AP-HP, Sorbonne University, Tenon Hospital, Paris, France
  • 15 Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
World J Urol, 2023 May;41(5):1407-1413.
PMID: 36930255 DOI: 10.1007/s00345-023-04363-6

Abstract

PURPOSE: To evaluate the perioperative outcomes of retrograde intra-renal surgery (RIRS) for lower pole stones (LPS) and factors affecting stone-free rate (SFR).

METHODS: Data from 20 centers were retrospectively reviewed. Inclusion criteria were adult patients, normal renal anatomy, and LPS. Exclusion criteria were bilateral surgery, concomitant surgery for ureteral stones. SFR was defined as a single residual fragment (RF) ≤ 2 mm and evaluated 3-months after surgery. A multivariable logistic regression analysis was performed to assess factors associated with RF. Statistical significance was set at p value 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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