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Patients of Obese Representation Require Longer Operative Times: An Evaluation of Acetabular and Pelvic Ring Operative Duration.

Recent literature has determined that operative times for the obese population are greater for both elective and nonelective orthopedic procedures. If time allotted for a given surgical procedure is used as a measure of procedural difficulty, then consideration can be given for using an additional coding modifier (i.e., Modifier 22) for the increased skill and effort associated with longer procedures. A retrospective chart review was conducted on all patients who underwent surgical treatment for an acute fracture about the pelvis at an urban level-1 trauma center from October 1, 2010 through October 31, 2018. After allowing for both inclusion and exclusion criteria, 102 patients with acetabular fractures and 55 patients with pelvic ring injuries were included in this investigation. The obese population within the acetabular fracture cohort demonstrated significantly longer mean times for the duration of surgery, total time in spent in the operating room, and duration under anesthesia (P values of 0.038, 0.05 and 0.035, respectively). Similar results were observed with the pelvic ring injury cohort, with significantly longer procedural times (P = 0.019), total time in the operating room (P = 0.034), and total duration under anesthesia (P = 0.0395). A trend towards a greater risk of infection was found in obese patients (7%) when compared with nonobese patients (1.6%) within the acetabular fracture subset (P = 0.093). Operative duration for acetabular fractures and pelvic ring injuries is significantly longer in the obese population. Furthermore, this indicates that a Modifier 22 may be justified for the surgical treatment of these injuries in the obese and morbidly obese patient populations.