Introduction: Although the 11-factor modified frailty index (mFI-11) has been shown to predict adverse outcomes in elderly patients undergoing surgery for hip fractures, the newer 5-factor index has not been evaluated in this population. The goal of this study is to evaluate the mFI-5 as a predictor of morbidity and mortality in elderly patients undergoing surgical management for hip fractures. Methods: The NSQIP database was queried for patients 60 years of age and older who underwent surgical management for hip fractures between 2005 and 2016. The 5-factor score, which comprised diabetic status, history of COPD or current pneumonia, congestive heart failure, hypertension requiring medication, and nonindependent functional status, was calculated for each patient. Multivariate logistic regression models were used to assess the relationship between the mFI-5 and 30-day postoperative complications. Results: A total of 58,603 patients were identified. After adjusting for comorbidities, the mFI-5 was a strong predictor for total complications, serious medical complications (cardiac arrest, myocardial infarction, septic shock, pulmonary embolism, postoperative dialysis, reintubation, and prolonged ventilator requirement), surgical site infections, readmission, extended hospital length of stay, and mortality (P ≤ 0.008). For each point increase, the risk for any complication increased by 29.8%, serious medical complications 35.4%, surgical site infections 14.7%, readmission 24.6%, and mortality 33.7%. Conclusions: The mFI-5 is an independent predictor of postoperative morbidity and mortality in elderly patients undergoing surgery for hip fractures. This clinical tool can be used by hospitals and surgeons to identify high-risk patients, accurately council patients and families with transparency, and guide perioperative care to optimize patient outcomes. Level of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.

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Objectives:Corticosteroid injections (CSI) are frequently utilized in the nonoperative management of rotator cuff tears. However, recent literature suggests that injections may reduce biomechanical strength of tendons and ligaments in animal models and increase the risk of postoperative infections following surgery. The goal of this study was to determine if the timing of CSI is associated with an increased risk of reoperation following primary rotator cuff repair (RCR).Methods:A retrospective analysis of claims data of privately-insured subjects from the MarketScan® database for the years 2010-2014 was conducted. A cohort of subjects aged 18-64 who were diagnosed with a rotator cuff tear and underwent repair in 2011 was identified. Multivariable logistic regression models were used to compare the odds of reoperation between groups.Results:A total of 4,959 subjects with an arthroscopic RCR were identified. Of this, 553 subjects required reoperation within the following 3 years (Table 1). Patients who had a CSI within 6 months preceding the RCR were at a much higher risk of undergoing reoperation (Figure 1): 0-3 months prior, AOR 1.536 (95% CI: 1.201 -1.965); 3-6 months, AOR 1.843 (95% CI: 1.362-2.494); and 6-12 months AOR 1.339 (95% CI: 0.914 -1.962). Of those patients that underwent a reoperation, the most common surgery performed was revision rotator cuff repair followed by arthroscopic debridement (48.5% versus 38.9% respectively).Conclusion:Patients who had received a CSI within 6 months prior to RCR were much more likely to undergo a subsequent reoperation within the following 3 years. These odds diminished as more time passed between CSI and primary repair. Consideration should therefore be given to delaying primary rotator cuff repair for 6 months following injection.Table 1.Listing of reoperations, by timing of last CSI prior to primary RCRFigure 1.Odds of reoperation following primary rotator cuff repair (RCR) among those who received a corticosteroid injection (CSI) in the 12-months prior to surgery. Odds ratios are relative to the patients who did not receive a CSI in the 12-months prior to surgery.

Purpose Extensor mechanism injuries are disabling injuries that require prompt evaluation and treatment and complications are often devastating. While smoking has been shown to increase complications following total joint arthroplasty, this relationship has not yet been established in those undergoing extensor mechanism repair. The purpose of this study was to evaluate the risk of smoking on postoperative complications following extensor mechanism repair. Methods The National Surgical Quality Improvement Program (NSQIP) database was used to identify patients who underwent an extensor mechanism repair from 2005 to 2016. Patients were stratified by tobacco use, as either “current” or “nonsmokers.” A multivariate logistic regression was used to control for demographic and comorbid factors while assessing perioperative complications. Results 5208 patients were identified, and of these, 843 (16.2%) were current smokers. Smokers were younger, male, and with lower BMIs compared to nonsmokers (p = 0.001, p = 0.003, p = 0.002, respectively). They had a higher rate of surgical complications (OR 1.61, CI 1.02–2.52), including deep surgical site infections (OR 3.27, CI 1.03–10.43) and unplanned return to the operating room (OR 2.001, 1.24–3.23). Smokers were more likely to be readmitted within 30 days of surgery (OR 1.78, OR 1.09–2.90). Conclusion Tobacco use is associated with a 1–2% increase in surgical, but not medical, complications following repair of extensor mechanism injuries. Smokers are at higher risk for deep infections, unplanned return to the OR, and hospital readmission. Identifying these patients preoperatively will allow surgeons to accurately counsel patients on perioperative risks. Counseling in preoperative smoking cessation is valuable for optimizing patient outcomes following extensor mechanism repair. Level of evidence Retrospective comparative study, Level III.

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