• M Kareem Shaath, Philip K Lim, Reid Andrews, and Chip RouttMilton LMLOrlando Health Orthopaedic Institute, Florida State College of Medicine, University of Central Florida College of Medicine, 122 S Orange Ave, 5 Floor, Orlando, FL, 32806, USA..
• Orlando Health Orthopaedic Institute, Florida State College of Medicine, University of Central Florida College of Medicine, 122 S Orange Ave, 5 Floor, Orlando, FL, 32806, USA. Electronic address: mkshaathmd@gmail.com.
• Injury. 2020 Nov 1; 51 (11): 2622-2627.

IntroductionObesity is an epidemic facing the United States affecting nearly 40% of the population (93.3 million adults). The objective of this study was to compare early perioperative complications in patients with a normal BMI to patients who are pre-obese, obese, and morbidly obese.Materials And MethodsThe study was conducted at a Level-I trauma center. Patients were separated into 4 groups based on their BMI. Group 1 had a BMI < 25 (normal), Group 2 had a BMI between 25-29.9 (pre-obesity), Group 3 had a BMI between 30-39.9 (obese), and Group 4 had a BMI ≥40 (morbidly obese). Outcome variables included total operative time (OT), estimated blood loss (EBL), length of stay (LOS), and early medical and surgical complications. A comparison between groups was performed for each outcome variable and surgical complication.ResultsWe identified 333 patients and the number of patients in Groups 1-4 were 86, 96, 121, and 30, respectively. The average BMI for Groups 1-4 was 22.3, 27.3, 35.9, and 44.9, respectively (p < 0.001). OT, EBL, and LOS did not differ between groups or between the surgical approach utilized. There were no significant relationships when comparing complication rates between groups. Patients in Group 4 experienced significantly more PE compared to patients in Group 2 (p=0.01). Additionally, patients in Group 4 experienced a significantly more PE than patients in Groups 1 and 2 combined (p<.01). The relative risk of having a PE if BMI is ≥40, compared to a BMI <30 is 18.40 (95% CI = 1.98 - 171.13). The PEs were not fatal in all cases.ConclusionsIn the treatment of the obese and morbidly obese with acetabular fractures, we find that these cohorts are not at a greater risk of wound complications or infection. The higher rate of pulmonary embolism seen in the morbidly obese should be considered when evaluating these patients for appropriate thromboembolic prophylaxis.Copyright © 2020 Elsevier Ltd. All rights reserved.

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