Efficacy and Safety of Percutaneous Nephrolithotomy in Patients with and without Previous Renal Stone Surgery
DOI:
https://doi.org/10.51985/Keywords:
PCNL, kidney stones, stone removal, complications, urologyAbstract
Objective: To determine the efficacy and Safety of Percutaneous Nephrolithotomy in Patients with and without Previous Renal Stone Surgery
Study design and setting: This descriptive comparative study was carried out at the Department of Urology, Sindh Institute of Urology & Transplantation (SIUT) in Karachi, Pakistan from April 2023 to October 2023.
Methodology: In the current study we included 151 patients in the age group of 18-65 years of either gender who underwent a PCNL in a prone position for renal stone of size ranging from 2-3 cm. Sample size was determined by the WHO sample size calculator at 95% confidence interval and a 5% margin of error. PCNL was done with general anaesthesia using universal techniques. Follow-up arrived at four weeks postoperatively. All the data was analyzed by using SPSS version 24.
Results: Participants were 45.1±9.3 years old, with males being dominant (69.5%). In 91.4% of cases, concrete stones were cleared. These were reducing in hemoglobin 19.2%, pneumothorax 6.0%, colon injury 3.3%, and postoperative fever 12.6%. Renal patients with no previous history of renal surgery also had significantly higher stone clearance rates of 77.5% & 13.9% (p=0.005) and lower complications rates p < 0.001.
Conclusion: Our study concludes that PCNL is a very efficient technique for the stone clearance with an efficiency rate of over 90%. But when patients have a previous history of renal surgery, they have lower clearance rates of stones and higher complication rates.
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