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Background

The incidence of infective endocarditis in the elderly is on the rise. We studied trends and predictors of utilization of coronary angiography prior to urgent surgery for infective endocarditis and its effect on mortality.

Methods

A total of 25,069 patients> 18 yrs who underwent valve replacement for endocarditis as direct, urgent admissions between 2005-2014 were identified from the National Inpatient Sample using ICD 9 codes. Patients who underwent coronary angiography (CA) were compared with those who did not undergo CA.

Results

40.7% underwent CA with a significant decrease over the study period. Patients in CA cohort were older (58.9±0.27 vs 49.9±0.29, p< 0.0001) and had more co-morbidities (Charlson's comorbidity score≥ 2-52.4% vs 42.5%; p< 0.0001). Significant predictors of utilization of angiography were-age, diabetes, hypertension and heart failure while teaching hospital status was …