• Nadeem Iqbal, Aisha Hasan, Hajra Arshad Malik, Rabiyya Khan, Ahsan Nazar, and Muhammad Athar Khawaja.
• Department of Urology and Kidney Transplant, Pakistan Kidney Institute, Shifa International Hospital, Islamabad, Pakistan.
• J Coll Physicians Surg Pak. 2020 Dec 1; 30 (12): 1316-1320.

ObjectiveTo compare the outcomes of percutaneous nephrolithotomy (PCNL) across younger and elderly, especially PCNL complications in terms of modified Clavian grading system.Study Design Cros-sectional comparative study.Place And Duration Of StudyDepartment of Urology, Shifa International Hospital, Islamabad, from 2010 till 2018 December at a tertiary care hospital.MethodologyPatients who underwent unilateral PCNL were reviewed group 1 (younger, age < 60 years) had 594 patients; while group 2 (elderly, age >60 years) had 137 patents. Information regarding complication and success rate were recorded by residents in proforma and then processed for statistical computations.ResultsThere were total of 731 subjects. The mean age in group 1 was 39.7±11.2 years and that of group B was 65.66±4.55 years. The mean size for calculi in group 1 was 2.83±1.32 cm while in group 2 stone size reached 2.81±1.04 cm. A total of 174 (23.8%) complications and stone free rate of 81.8% (598/731) was recorded in this study. Overall when compared, no notable difference in complications, hospital duration and success rates was observed between the young and elderly age group.ConclusionDespite old age, the success rates and complications were not remarkably different from that of the younger subjects for prone PCNL. Key Words: Percutaneous nephrolithotomy, Geriatrics, Renal stone, Complications.

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