The clinical implications (or lack thereof) of vegetations detected by echocardiography in patients not thought to have endocarditis

Clinical Cardiology
A S AliM Lesch

Abstract

The clinical impact of echocardiographic demonstration of a vegetation (Veg) in patients in whom infective endocarditis (IE) is not suspected has not previously been analyzed. In this study, an echocardiographic database was interrogated to test whether discovery of a vegetation by echocardiography should result in treatment for endocarditis if IE is not suspected. In all, 2,750 serial transthoracic echocardiograms (TTE) were reviewed to generate a list of reports containing the word Veg or thickening (Thk). A chart review of cases identified the impact the report had on patient management. To analyze reader bias due to echocardiographic requests, stating "rule out Veg or IE" as the reason for the study, an additional 1,000 serial TTE requests were segregated into two groups with and without this term. The incidence of the terms Veg or Thk in TTE reports of these groups was tabulated. Of 2,750 reports, 20 contained the word Veg. Blood cultures were drawn in 16 of 20, with 7 of 16 being positive. Therapy for IE was initiated in 5 of 7 patients with positive cultures. Of 1,000 requests reviewed in the second phase, 24% of those with rule out Veg as the indication for TTE (n = 29) had Veg and 7% had Thk, while in 971 cases with ot...Continue Reading

Citations

Jan 18, 2008·ANZ Journal of Surgery·Kamran Zargar-Shoshtari, Andrew G Hill

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