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Submitted
Abstract
Efficacy and safety of mini percutaneous nephrolithotomy (PCNL) compared to standard PCNL: a multi-center retrospective study
Podium Abstract
Clinical Research
Endourology: Urolithiasis
Author's Information
10
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Hong Kong, China
Shek Long Tsang sunnytsangsl@gmail.com The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China *
Tsz Paak Chang eunice.chang1804@gmail.com The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Stacia Tsun Tsun Chun stac@hku.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Martin Siu Yip Mak maksiuyip@gmail.com The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Hoi Lung Wong whl366@ha.org.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Chiu Fung Tsang tcf672@ha.org.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Terence Chun Ting Lai lct729@ha.org.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Yung Na yungna@hku.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Brian Sze Ho Ho hsh375@ha.org.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
Ada Tsui Lin Ng ntl188@ha.org.hk The University of Hong Kong, Queen Mary Hospital Division of Urology, Department of Surgery Hong Kong Hong Kong, China -
 
 
 
 
 
 
 
 
 
 
Abstract Content
Percutaneous nephrolithotomy (PCNL) is the gold standard treatment for renal stone larger than 2 cm. Mini PCNL has been proposed as an alternative to reduce the risk of complications. This study examines the efficacy and safety of mini PCNL versus standard PCNL.
This study evaluated the PCNL procedures conducted in Queen Mary Hospital, Tuen Mun Hospital, Tung Wah Hospital and Pok Oi Hospital from 1st January 2017 to 31st March 2023. Patient demographics, number of tracts, stone number and size, surgical outcomes, and complications were analyzed. Patients with stone size of less than <400mm2 were included.
A total of 353 PCNL procedures were evaluated. There were 160 (45.3%) mini PCNL and 193 (54.7%) standard PCNL. Patient demographics and stone count were similar. Mini PCNL group showed a smaller pre-operative stone diameter (18.4 mm vs. 20.7 mm, P<0.001) and size (179.9mm2 vs, 220.9mm2, P<0.001). Similar stone-free rate and number of additional treatments were noted. However, mini PCNL had a longer operation time (128.5 vs. 113.1 minutes, P<0.001). Mini PCNL demonstrated less blood loss in terms of hemoglobin drop (0.92 vs. 1.24 g/dL, P=0.01) but the transfusion rates were comparable. The incidences of sepsis, fever, and renal impairment were similar.
Mini PCNL is a reliable alternative to standard PCNL.
PCNL, mini PCNL
 
 
 
 
 
 
 
 
 
 
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Presentation Details