Comparative study between retrograde intrarenal surgery and miniaturized PCNL in treatment of lower calyceal stones 1-2cm

Omar, Rabea Gomaa; El Fallah, Adel Hafez; El Mohamady, Bashir Nagy; Abdel-Rahman, Mohamed Abdullah; Elbashir, Salah

doi:10.21608/bmfj.2025.290931.2085

	Comparative study between retrograde intrarenal surgery and miniaturized PCNL in treatment of lower calyceal stones 1-2cm
Benha Medical Journal
Articles in Press, Accepted Manuscript, Available Online from 21 January 2025 PDF (306.29 K)
Document Type: Original Article
DOI: 10.21608/bmfj.2025.290931.2085
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Authors
Rabea Gomaa Omar¹; Adel Hafez El Fallah²; Bashir Nagy El Mohamady¹; Mohamed Abdullah Abdel-Rahman ³; Salah Elbashir⁴
¹Assistant Professor Of Urology Faculty Of Medicine , Benha University
²Professor Of Urology Faculty of medicine, Benha University
³Urology resident , DAR EL SHIFAA Hospital
⁴Lecturer Of Urology Faculty Of Medicine, Benha University
Abstract
Background: Treatment of lower- calyceal stones is more complicated due to the challenging anatomical structure. The optimal modality for treating lower- calyceal stones remains controversial. Objective: Comparison between the outcomes of retrograde intrarenal surgery (RIRS) and miniaturized percutaneous nephrolithotomy (mini-PCNL) in treating lower- calyceal stones with a diameter of 1-2cm. Methods: During this study, 100 patients with lower calyceal stones were enrolled and divided into 2 equal groups; 1st group underwent RIRS and 2nd group underwent mini PCNL for stones with a diameter of 1-2cm. comparing both group regarding operative time, stone-free rate, complications and hospital stay. Results: No significant differences were observed regarding age , gender , body mass index, diabetes mellitus , hypertension , smoking , urinary tract infection , pain , stone side, hydronephrosis , stone density, and stone size . The mini PCNL groups demonstrated significantly lower operative time but higher hemoglobin reduction than the RIRS group. Additionally, JJ stent insertion was significantly higher in the RIRS group than in the mini PCNL group. Conclusion:our study concludes that, both MPCNL and RIRS both are effective procedures to treat lower calyxes stones 1-2 cm in diameter with less operative time and less need for jj stents in MPCL but with higher HB drop inspite of no need blood transfusion, also MPCNL characterized by high stone free rate than RIRS but the difference was not statistically significant.
Keywords
Retrograde Intrarenal Surgery; Miniaturized Percutaneous Nephrolithotomy; CalycealIntroduction:


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