Validation of A Preoperative Scoring System to Predict Difficult Laparoscopic Cholecystectomy: A Nepalese Perspective
Keywords:
conversion, Laparoscopic cholecystectomy, Preoperative predicationAbstract
DOI: https://doi.org/10.22502/jlmc.v8i1.323
Introduction: Preoperative prediction of the factors leading to difficulty or conversion in cholecystectomy could help plan the surgical strategies and possible outcomes beforehand. The present study aimed to predict and analyze risk factors using a scoring system deemed responsible for surgical difficulties in patients undergoing cholecystectomy for symptomatic cholelithiasis.
Methods: This hospital based prospective study was conducted at Department of Surgery, Lumbini Medical College and Teaching Hospital, Nepal. Various factors considered preoperatively were gender, age, previous history of hospitalization, impacted stone, obesity, gall bladder wall thickness, pericholecystic collection, previous abdominal scar and palpable gall bladder.
Results: Among 177 cases operated, the mean age ±SD of the patients was 47.72±17.54 years. Conversion rate was 7.9 %. At preoperative score of 5; sensitivity, specificity, positive predictive value and negative predictive value were 89.40% (CI: 83.36%-93.82%), 69.23% (CI: 48.21 %-85.67%), 94.41%(CI: 90.44%-96.79%) and 52.94% (CI: 39.85%-65.64%) respectively{Area under curve– 0.74, p=0.0001, CI (0.637-0.846)}. Multivariate analysis showed abdominal scar {p=0.02, OR (CI): 5.2 (1.2-21.8)}, previous hospitalization {p=0.001, OR(CI): 6.8(2.2-20.8)} and thickened gall bladder wall {p= 0.03, OR(CI): 3.6(1.1-11.5)} to be statistically significant risk factors.
Conclusion: With possible prediction beforehand, high risk group of patients can be identified and dealt accordingly to generate good surgical outcome avoiding complications.
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Copyright (c) 2020 Suman Baral, Neeraj Thapa, Raj Kumar Chhetri
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