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Does the Modified Frailty Index (mFI-5) Predict Adverse Outcomes in Maxillofacial Fracture Repair?
Cameron C Lee1, William P Hunter2, Jeffrey T Hajibandeh3
1US/CA OMS resident; Resident, Oral & Maxillofacial Surgery, Massachusetts General Hospital and Clinical Fellow, Harvard School of Dental Medicine, Boston, MA.
Purpose:
Frailty has been recognized as a predictor of postoperative adverse outcomes in many surgical subspecialties. The purpose of this study was to evaluate the relationship between frailty and complications in patients undergoing operative repair of facial fractures.
Methods:
The authors utilized the 2011 to 2018 American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) databases to identify patients with facial fractures undergoing operative repair. The primary predictor variable was frailty as measured by the 5-Factor Modified Frailty Index (mFI-5). The primary outcome variable was the postoperative complication rate. Descriptive, bivariate, and multiple logistic regression statistics were utilized to evaluate the relationship between frailty and complications.
Results:
During the study period, 4,290 subjects underwent operative repair of a facial fracture. Of these subjects, 4,086 (83.0%) were classified as nonfrail, 626 (12.7%) as moderately frail, and 208 (4.20%) as severely frail. A total of 237 subjects experienced a complication (4.82%), and the incidence of complications increased in a stepwise manner with increasing frailty (P ≤ .001). In multivariate regression, age (P = .050, 95% CI = 1.00 to 1.02), Native Hawaiian/Pacific Islander race (P = .018, 95% CI = 1.23 to 8.63), classification as moderately frail (P = .010, 95% CI = 1.15 to 2.66), classification as severely frail (P = .032, 95% CI = 1.06 to 3.70), mandibular fractures (P = .004, 95% CI = 1.24 to 2.98), and wound classification as contaminated (P ≤ .001, 95% CI = 1.53 to 4.57) or dirty/infected (P = .020, 95% CI = 1.16 to 5.55) were independent predictors of complications. Severely frail subjects also had greater length of hospital admission (P ≤ .001) and higher 30-day readmission rates (P ≤ .001).
Conclusions:
Frailty is an independent predictor of complications following facial fracture repair and is associated with greater length of hospital admission and 30-day readmission rates.
