Mazen R Al-Mansour1, Melanie Vargas2, Molly A Olson3, Anand Gupta4, Thomas E Read5, Nelson N Algarra6. 1. Department of Surgery, University of Florida College of Medicine, PO Box 100108, Gainesville, FL, 32610-0108, USA. mazen.al-mansour@surgery.ufl.edu. 2. University of Florida College of Medicine, Gainesville, USA. 3. Department of Population Health Sciences, Weill Cornell Medical College, New York, USA. 4. University of Texas Southwestern, Austin, USA. 5. Department of Surgery, University of Florida College of Medicine, PO Box 100108, Gainesville, FL, 32610-0108, USA. 6. Department of Anesthesia, University of Florida College of Medicine, Gainesville, USA.
Abstract
INTRODUCTION: Elevated preoperative glycated hemoglobin (HbA1c) is believed to predict complications in diabetic patients undergoing ventral hernia repair (VHR). Our objective was to assess the association between HbA1c and outcomes of VHR in diabetic patients. METHODS: We conducted a retrospective cohort study using the Abdominal Core Health Quality Collaborative (ACHQC) database. We included adult diabetic patients who underwent elective VHR with an available HbA1c result. The patients were divided into two groups (HbA1c < 8% and HbA1c ≥ 8%). Patient demographics, comorbidities, hernia characteristics, operative details, and surgical outcomes were compared. Multivariable logistic regression analysis of complications was performed. Cox proportional hazard regression was used to assess probability of composite recurrence at different HbA1c levels. RESULTS: 2167 patients met the inclusion criteria (HbA1c < 8% = 1,776 and HbA1c ≥ 8% = 391). Median age was 61 years and median body mass index was 34 kg/m2. 75% had an American Society of Anesthesiology class of 3. The median HbA1c was 6.5% in the HbA1c < 8% group versus 8.7% in the HbA1c ≥ 8% group. 73% were incisional hernias, 34% were recurrent, and median hernia width was 6 cm. Open approach was used in 63% and myofascial release was performed in 46%. Median follow-up was 27 days. There were no clinically significant differences in the rates of overall 30-day complications, wound complications, reoperation, readmission, mortality, length of stay and quality of life and pain scores between the two groups. Regression analyses did not identify an association between HbA1c and the rates of complications, surgical site infection or composite recurrence across the spectrum of HbA1c values. CONCLUSION: Our study finds no evidence of an association between HbA1c and operative outcomes in diabetic patients undergoing elective VHR.
INTRODUCTION: Elevated preoperative glycated hemoglobin (HbA1c) is believed to predict complications in diabetic patients undergoing ventral hernia repair (VHR). Our objective was to assess the association between HbA1c and outcomes of VHR in diabetic patients. METHODS: We conducted a retrospective cohort study using the Abdominal Core Health Quality Collaborative (ACHQC) database. We included adult diabetic patients who underwent elective VHR with an available HbA1c result. The patients were divided into two groups (HbA1c < 8% and HbA1c ≥ 8%). Patient demographics, comorbidities, hernia characteristics, operative details, and surgical outcomes were compared. Multivariable logistic regression analysis of complications was performed. Cox proportional hazard regression was used to assess probability of composite recurrence at different HbA1c levels. RESULTS: 2167 patients met the inclusion criteria (HbA1c < 8% = 1,776 and HbA1c ≥ 8% = 391). Median age was 61 years and median body mass index was 34 kg/m2. 75% had an American Society of Anesthesiology class of 3. The median HbA1c was 6.5% in the HbA1c < 8% group versus 8.7% in the HbA1c ≥ 8% group. 73% were incisional hernias, 34% were recurrent, and median hernia width was 6 cm. Open approach was used in 63% and myofascial release was performed in 46%. Median follow-up was 27 days. There were no clinically significant differences in the rates of overall 30-day complications, wound complications, reoperation, readmission, mortality, length of stay and quality of life and pain scores between the two groups. Regression analyses did not identify an association between HbA1c and the rates of complications, surgical site infection or composite recurrence across the spectrum of HbA1c values. CONCLUSION: Our study finds no evidence of an association between HbA1c and operative outcomes in diabetic patients undergoing elective VHR.
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