Objective: To evaluate the impact of nephrostomy tube type on postoperative pain and blood loss followingpercutaneous nephrolithotomy (PCNL).Methods: This is a prospective non-randomized study performed at Aga Khan University Hospital from July2017 to June 2018. In this study we prospectively studied adult patients (16 to 65 years) who underwentunilateral PCNL. Patients who had nephrostomy with balloon (12Fr Foley’s catheter) were compared withpatients who had nephrostomy without balloon (12Fr Nelaton? catheter). STONE Nephrolithometry scorewas used to assess the stone complexity. Mean pain score at six and 24 hours and mean hemoglobin dropat 24 hours was compared between two groups using independent sample t-test, p-value of 0.05 wasconsidered significant.Results: Over one year, 198 PCNL were performed out of which 119 were included for analysis.Sixty-six had nephrostomy tube with balloon and 53 had nephrostomy tube without balloon. MeanSTONE score (9.66±1.4 vs. 9.64±1.24) and operative time (72.84±28.34 vs. 86.05±32.1 minutes) wascomparable. Mean postoperative pain score at 6 hours and 24 hours postoperative was significantlylower in balloon group as compared to without balloon group. Mean Hemoglobin drop was similar inboth groups (p=0.60).Conclusion: The use of nephrostomy tube with balloon after PCNL as this is associated with less pain andcomparable hemoglobin drop as compare to nephrostomy tube without balloon.
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