• Am. J. Cardiol. · May 2019

    Multicenter Study

    Association of Autoimmune Connective Tissue Disease and Outcomes in Patients Undergoing Transcatheter Aortic Valve Implantation.

    • Sarah E Rudasill, Yas Sanaiha, Hanning Xing, Alexandra L Mardock, Habib Khoury, Rakin Jaman, Ramin Ebrahimi, and Peyman Benharash.
    • Cardiovascular Outcomes Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California.
    • Am. J. Cardiol. 2019 May 15; 123 (10): 1675-1680.

    AbstractPatients with autoimmune connective tissue disease (CTD) are at higher risk for developing aortic valve pathology, but the safety and value of transcatheter aortic valve implantation (TAVI) in this population has not been investigated. This study evaluated mortality, complication, and readmission rates along with length of stay and total costs after TAVI in patients with CTD. We retrospectively reviewed 47,216 patients who underwent TAVI from the National Readmissions Database between January 2011 and September 2015. Patients with systemic lupus erythematosus, scleroderma, rheumatoid arthritis, and other autoimmune CTD comprised the cohort. The primary outcome was mortality at index hospitalization. The 2,557 CTD patients (5.4%) had a higher Elixhauser co-morbidity index (7.1 vs 6.1, p <0.001) than non-CTD patients. CTD and non-CTD patients had similar mortality (2.8 vs 4.1%, p = 0.052), 30-day readmission (19.3 vs 17.0%, p = 0.077), length of stay (8.2 vs 8.3 days, p = 0.615), and total adjusted costs ($57,202 vs $58,309, p = 0.196), respectively. However, CTD patients were more frequently readmitted for postoperative infection (9.4 vs 5.6%, p = 0.042) and septicemia (8.2 vs 4.5%, p = 0.019). After multivariable adjustment, CTD patients faced lower mortality at index hospitalization (odds ratio [OR] 0.56 [0.38 to 0.82], p = 0.003) but were more frequently readmitted for septicemia (OR = 1.95 [1.10 to 3.45], p = 0.023) and postoperative infection (OR = 3.10 [1.01 to 9.52], p = 0.048) relative to non-CTD patients. In conclusion, CTD is not a risk factor for in-hospital mortality but is an independent risk factor for infectious complications post-TAVI.Copyright © 2019 Elsevier Inc. All rights reserved.

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