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Mini-PCNL - a boon for CKD patients with nephrolithiasis.
PURPOSE: The prevalence of urinary stone disease in ESRD is 3.2%, leading to renal damage due to obstructive uropathy, infection, and frequent surgical intervention. PCNL, the gold standard for complex renal stone disease, has evolved with smaller access sheaths (14-20 F), improved optics, and fluoroscopic equipments. This study aims to assess the safety and feasibility of mini- PCNL in CKD patients with respect to postoperative outcome and its effect on stage of CKD.
PATIENTS AND METHODS: This prospective study was conducted in the Department of Urology, Sher-I-Kashmir Institute of Medical Sciences, from January 2022 to October 2022. This study included adult patients with nephrolithiasis at CKD stage 3 or higher. The primary objective of this research was to assess the impact of mini-PCNL on renal function, specifically measuring changes in estimated glomerular filtration rate (eGFR) from baseline to a 6-month follow-up. The secondary objective was to evaluate the feasibility of mini-PCNL in CKD patients in terms of complications, stone clearance rate, and duration of hospital stay. Four variable Modification of Diet in Renal Diseases(MDRD) equation was used to calculate the estimated GFR(eGFR) of each patient and NKF/KDOQI classification system to classify the stage of CKD.
RESULTS: A total of 46 patients were included in the study. We found that for management of nephrolithiasis in CKD patients, mini-PCNL leads to significant improvement in eGFR at 6 months follow-up (mean difference = 14.25 ml/min/1.73 m2 ; p-value <0.01) with high stone-free rates (89.5%). The complication rates were comparable to standard PCNL.
CONCLUSIONS: mini-PCNL is a bonanza for management of CKD patients with nephrolithiasis.
PATIENTS AND METHODS: This prospective study was conducted in the Department of Urology, Sher-I-Kashmir Institute of Medical Sciences, from January 2022 to October 2022. This study included adult patients with nephrolithiasis at CKD stage 3 or higher. The primary objective of this research was to assess the impact of mini-PCNL on renal function, specifically measuring changes in estimated glomerular filtration rate (eGFR) from baseline to a 6-month follow-up. The secondary objective was to evaluate the feasibility of mini-PCNL in CKD patients in terms of complications, stone clearance rate, and duration of hospital stay. Four variable Modification of Diet in Renal Diseases(MDRD) equation was used to calculate the estimated GFR(eGFR) of each patient and NKF/KDOQI classification system to classify the stage of CKD.
RESULTS: A total of 46 patients were included in the study. We found that for management of nephrolithiasis in CKD patients, mini-PCNL leads to significant improvement in eGFR at 6 months follow-up (mean difference = 14.25 ml/min/1.73 m2 ; p-value <0.01) with high stone-free rates (89.5%). The complication rates were comparable to standard PCNL.
CONCLUSIONS: mini-PCNL is a bonanza for management of CKD patients with nephrolithiasis.
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