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- Title
Efficacy of Mini-perc in Patients with with less than 2 cm Renal Calculi- A Prospective Observational Study.
- Authors
RAVAL, ABID; RAGHUVANSHI, KSHITIJ; JAIN, D. K.; DHAKE, RAJESH; DESHMUKH, HRISHIKESH; IQBAL, SHAMS
- Abstract
Introduction: Miniaturisation of the instruments in Percutaneous Nephrolithotomy (PCNL) is advantageous over standard PCNL procedure in patients with renal stone <2 cm in size. Aim: To assess efficacy and safety of miniaturised (mini-Perc) and standard PCNL in patients with renal calculi ≤2 cm in size. Materials and Methods: This prospective observational study included patients with age >18 years and renal stones ≤2 cm in size. Patients were equally randomised to standard PCNL and mini-Perc group. The primary outcomes included operative time, stone clearance, postoperative analgesic requirement, and associated complications. Association between qualitative variables were evaluated using Chi-square test and Fisher-exact test; while, comparison of quantitative data was performed using unpaired t-test or Mann-Whitney U test. Results: A total of 100 patients (standard PCNL, n=50; mini-Perc, n=50) were enrolled. The mean age (years) of patients in standard PCNL and mini-Perc were 40.78 and 39.79, respectively. The complete stone clearance rate was comparable between mini- Perc and standard PCNL (92% vs 94%). The mean operative time (minutes) was significantly more with mini-Perc than standard PCNL (78.86 vs 73.72; p<0.05). Four patients from standard PCNL group had bleeding and none from mini-perc reported bleeding. Other complications observed were fever and pelvic perforation. Duration of hospitalisation (days) was significantly shorter in mini‑Perc group as compared to standard PCNL (3.16 versus 4.12; p<0.01) group. Drop in haemoglobin and drop in Packed Cell Volume (PCV) were significantly reduced in mini-Perc group than standard PCNL (p<0.01). Conclusion: Both the mini-Perc and standard PCNL techniques were effective and well-tolerated in patients with renal calculi ≤2 cm in size. However, shorter duration of hospitalisation and longer operative time were associated with mini-Perc treatment.
- Subjects
PERCUTANEOUS nephrolithotomy; LASER lithotripsy; MANN Whitney U Test; KIDNEY stones; LONGITUDINAL method; SCIENTIFIC observation; CELL size
- Publication
Journal of Clinical & Diagnostic Research, 2020, Vol 14, Issue 1, p3
- ISSN
0973-709X
- Publication type
Article
- DOI
10.7860/JCDR/2019/42008.13415