Impact of Glycemic Control on Intraoperative Difficulty in Diabetic Patients Undergoing Cholecystectomy: A Comparative Cross-Sectional Study
Keywords:
Diabetes mellitus; HbA1c; Cholecystectomy; Nassar grade; Intraoperative difficulty.Abstract
Introduction: Gallstone disease is a common surgical condition, and cholecystectomy is the standard treatment for symptomatic gallbladder disease. In diabetic patients, chronic hyperglycemia may impair gallbladder motility and promote inflammation, fibrosis, and adhesions, thereby increasing operative difficulty.
Aim & Objective: To evaluate the impact of glycemic control on intraoperative difficulty in diabetic patients undergoing cholecystectomy and to assess the association of fasting blood sugar (FBS) and glycated hemoglobin (HbA1c) with the Nassar intraoperative difficulty grade, operative duration, and conversion to open surgery.
Materials & Methods: This comparative cross-sectional subgroup analysis was conducted from June 2024 to November 2025 at the Department of Surgery, Hamdard Institute of Medical Sciences and Research and Hakeem Abdul Hameed Centenary Hospital, New Delhi. A total of 186 diabetic patients undergoing cholecystectomy were enrolled. Glycemic status was assessed using FBS and HbA1c, and intraoperative difficulty was graded according to the Nassar classification. Associations were analyzed using the Chi-square test or Fisher’s exact test.
Results: Of the 186 patients, 59.7% had FBS ≥126 mg/dL and 39.8% had HbA1c ≥8%. Laparoscopic cholecystectomy was completed in 91.4% of cases, while 8.6% required conversion to open surgery. High intraoperative difficulty occurred in 27.5% of patients. HbA1c ≥8% was significantly associated with increased operative difficulty (33.8% vs 23.2%; p=0.048), whereas FBS and duration of diabetes were not. Difficult surgery was strongly associated with operative time >60 minutes, conversion to open surgery, and xanthogranulomatous cholecystitis (all p<0.001).
Conclusion: Poor long-term glycemic control, reflected by HbA1c ≥8%, was significantly associated with increased intraoperative difficulty in diabetic patients undergoing cholecystectomy.
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