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Complication Rates in Intertrochanteric Fractures: A Database Analysis Comparing Sliding Hip Screw and
Kamil M Amer1, Dominick V Congiusta1, Kunj Jain1
1Rutgers New Jersey Medical School Department of Orthopaedics, Newark, United States.
Objectives:
In the treatment of closed intertrochanteric fractures, the two most common treatment options are intramedullary medullary nail (IMN) and dynamic hip screw (DHS), yet the best treatment method remains controversial. The purpose of this study is to determine the difference in mortality and morbidity between IMN and DHS. Secondarily, this study determines which pre-operative risk factors affect rates of morbidity and mortality.
Methods:
American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) 2006-2016 database was used to search for patients with a closed intertrochanteric hip fracture. Bivariate analysis was performed using Pearson's Chi Square test to determine pre-operative risk factors associated with complications in fixation with IMN and DHS. Significant variables in this analysis, as well as demographic data, were analyzed via binary logistic regression. The results were recorded as odds ratio (OR) and significant differences were based on a P<0.05.
Results:
After adjusting for demographics and clinical covariates, patients who underwent fixation with IMN had higher 30-day mortality, reintubation, UTI, bleeding, prolonged length of stay, and non-home discharged destination rates compared to DHS. Mortality risk was increased by ascites, disseminated cancer, impaired functional status, history of congestive heart failure, and hypoalbuminemia. Bleeding risk was increased by previous percutaneous coronary (PCI) and transfusions and was decreased by impaired functional status. Myocardial infarction risk was increased by female gender.
Conclusion:
Our study found that IMN fixation increased risk of mortality, UTI, reintubation, bleeding, prolonged length of stay, and a non-home discharge destination compared to DHS. This study also identified patient risk factors associated with several postoperative complications. These data may better inform orthopaedic surgeons treating closed intertrochanteric fractures.
