Infective endocarditis and cancer in the elderly
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10654_2015_Article_111.pdf
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Author(s)
García-Albéniz, Xabier
Hsu, John
Lipsitch, Marc
Hernández-Díaz, Sonia
Logan, Roger W.
Hernan, Miguel Angel
Date Issued
December 2015
Journal
European Journal of Epidemiology
Publisher
Springer Netherlands
Citation
García-Albéniz, Xabier, John Hsu, Marc Lipsitch, Roger W. Logan, Sonia Hernández-Díaz, and Miguel A. Hernán. “Infective Endocarditis and Cancer in the Elderly.” European Journal of Epidemiology 31, no. 1 (December 18, 2015): 41–49.
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Author's final manuscript
Abstract
Little is known about the magnitude of the association between infective endocarditis and cancer, and about the natural history of cancer patients with concomitant diagnosis of infective endocarditis. We used the SEER-Medicare linked database to identify individuals aged 65 years or more diagnosed with colorectal, lung, breast, or prostate cancer, and without any cancer diagnosis (5 % random Medicare sample from SEER areas) between 1992 and 2009. We identified infective endocarditis from the ICD-9 diagnosis of each admission recorded in the Medpar file and its incidence rate 90 days around cancer diagnosis. We also estimated the overall survival and CRC-specific survival after a concomitant diagnosis of infective endocarditis. The peri-diagnostic incidence of infective endocarditis was 19.8 cases per 100,000 person-months for CRC, 5.7 cases per 100,000 person-months for lung cancer, 1.9 cases per 100,000 person-months for breast cancer, 4.1 cases per 100,000 person-months for prostate cancer and 2.4 cases per 100,000 person-months for individuals without cancer. Two-year overall survival was 46.4 % (95 % CI 39.5, 54.5 %) for stage I–III CRC patients with concomitant endocarditis and 73.1 % (95 % CI 72.9, 73.3 %) for those without it. In this elderly population, the incidence of infective endocarditis around CRC diagnosis was substantially higher than around the diagnosis of lung, breast and prostate cancers. A concomitant diagnosis of infective endocarditis in patients with CRC diagnosis is associated with shorter survival.
MIT Department
Institute for Medical Engineering and Science
Harvard University--MIT Division of Health Sciences and Technology
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DOI of Published Version
https://doi.org/10.1007/s10654-015-0111-9
