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Numan Alam
Naveed Ahmad
Rafi Ullah
Riaz Ali Khan
Muhammad Asif


Stone Free Rates, PCNL, Renal Stones, Complications, Shock Wave Lithotripsy


Aim: To compare Percutaneous Nephrolithotomy (PCNL) among patients with new vs previous history of Extracorporeal Shock Wave Lithotripsy (ESWL).

Methodology: We conducted this cohort study at multiple centers including Akber Medical Complex, Mardan, KPK and Rizwan Medical Center, Peshawar, KPK in the duration from November, 2022 to April, 2023. Total 150 patients at Urology department, patients were divided in two groups, Group A had patients who had previous history of ESWL while Group B had patients with no history of ESWL. The outcomes and complications between both groups were assessed.

Results: Patient’s mean age recorded was 44.55±9.2 years. Mean size of the stones was 520.2±76.04 mm2. The stone free rate was achieved in 78.7% patients in group A while in group B 82.7% (P = 0.53). No significant difference was seen in operative time between both groups, hospital stay was significantly lower in group A (P = 0.04). No significant difference was seen between both groups regarding complications (P = 0.96).

Conclusion: We conclude that patients with a prior history of extracorporeal shock wave lithotripsy (ESWL) who undergo percutaneous nephrolithotomy (PCNL) exhibit comparable rates of stone clearance and incidence of adverse outcomes to those found in PCNL cases without prior shock wave lithotripsy treatment.

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