Epidemiology of Infective Endocarditis in Rural Upstate New York, 2011 - 2016

Saeeda Fatima, Benajmin Dao, Ayesha Jameel, Konika Sharma, David Strogatz, Melissa Scribani, Harish Raj Seetha Rammohan

Abstract


Background: The epidemiology of infective endocarditis (IE) depends on a number of host factors whose prevalence can vary globally. The usual patient population affected by IE is sicker and older, often with many comorbid conditions. The risk is growing in younger populations due to the emerging epidemic of intravenous (IV) drug use. We have performed a temporal trend analysis of various factors of IE in the rural counties covering a major part of central Upstate New York.

Methods: We performed a retrospective analysis of electronic medical records of patients who were admitted in a tertiary care hospital in rural Upstate New York and diagnosed with IE from January 1, 2011 to December 31, 2016. Forty-five patients were identified with definite IE and nine with possible IE.

Results: Total incidence of IE was 3.5 cases per 100,000 person years in the total population and 4.4 if we consider total population >= 18 years in the denominator. A significant (P = 0.022) increase in incidence of IE from 2011 to 2016 was seen by univariate analysis. Incidence was higher in males (P = 0.029) and for those aged 65 or older (P = 0.0003). IV drug use among cases is noted to be more prevalent in 2015 and 2016 compared to previous years.

Conclusion: In this study of patients in a rural region of New York, an increase in the incidence of IE was seen over the study period with changes in patient characteristics and etiology over this time. We speculate that an increase in IV drug use could be a leading factor in the recent and future increased incidence of IE in the area.




J Clin Med Res. 2017;9(9):754-758
doi: https://doi.org/10.14740/jocmr3131w


Keywords


Infective endocarditis; Epidemiology; Intravenous drug use

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