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- Title
Increased Mortality in Hip Fracture Patients With Aortic Stenosis and Pulmonary Hypertension Compared to Aortic Stenosis Alone.
- Authors
Cignoni, Christian B.; Vuu, Steven K. M.; Liu, Huazhi; Clark, Jason M.; Watson, Carrie D.; Ferber, Laurence R.; Richards, Winston T.; Ang, Darwin N.
- Abstract
Introduction: Hip fractures are one of the most common traumatic injuries in the United States, secondary to an aging population. Multiple comorbidities are found in patients who present to trauma centers (TCs) with isolated hip fractures (IHFs) including significant cardiac disease. Aortic stenosis (AS) among these patients has been recently shown to increase mortality. However, factors leading to death from AS are unknown. We hypothesize that pulmonary hypertension (PH) is a significant mechanism of death among IHF patients with AS. Methods: This is a multicenter retrospective cohort study examining IHF patients treated at Level I and II TCs within a large hospital system from 2015 to 2019. Patients who had IHFs and AS were compared to those who had IHFs, AS, and PH. Multivariable logistic regression was used to risk adjust by age, race, insurance status, and comorbidities. The primary outcome was inpatient mortality. The secondary outcomes were hospital-acquired complications. Results: A total of 1388 IHF patients with AS were included in the study. Eleven percent of these patients also had PH. The crude mortality rate was higher if IHF patients had both AS and PH compared to IHF with AS alone (9% vs 3.7%, P -value.003). After risk adjustment, a higher risk of mortality was still significant (aOR 2.56 [95% CI 1.28, 5.11]). In addition, IHF patients with both AS and PH had higher complication rates; the exposure group had higher percentage of pulmonary embolism (1.4% vs.2%, adjusted P -value.03), new-onset congestive heart failure (4.1% vs 1%, adjusted P -value.01), and sepsis/septicemia (3.5% vs 1.4%, adjusted P -value.05). Conclusion: In patients with IHFs, PH and AS increase the likelihood of inpatient mortality by 2.5 times compared to AS alone. Pulmonary hypertension among IHF patients with AS is an important risk factor to identify in the preoperative period. Early identification may lead to better perioperative management and counseling of patients at higher risk of complications.
- Subjects
UNITED States; HIP fractures; AORTIC stenosis; PULMONARY stenosis; PULMONARY hypertension; CONGESTIVE heart failure; PREOPERATIVE risk factors
- Publication
American Surgeon, 2023, Vol 89, Issue 5, p1422
- ISSN
0003-1348
- Publication type
Article
- DOI
10.1177/00031348211054525