Table 3.
The knowledge, current practice, and discrepancy of prescribing preprocedural antibiotic prophylaxis against infective endocarditis for patients with various cardiac lesions.
| Cardiac lesion | Indicated as per AHA (Yes/No) | Correct answer, % | Cardiologists prescribing prophylaxis, % | Discrepancy, % |
|---|---|---|---|---|
| Bicuspid aortic valve with severe aortic stenosis | No | 49 | 73.6 | 29 |
| Rheumatic heart disease with moderate aortic insufficiency | No | 34 | 76 | 15 |
| Dilated cardiomyopathy with severe mitral regurgitation | No | 51 | 62 | 15 |
| AVSD with mitral regurgitation | No | 43 | 67 | 15 |
| Acyanotic Ebstein anomaly | No | 56 | 50 | 14 |
| Audible large PDA | No | 56 | 53 | 12 |
| Mitral valve prolapse with regurgitation | No | 56 | 54 | 12 |
| Cardiac transplantation without cardiac valvular disease | No | 39 | 66 | 11 |
| Transposition of the great vessels S/P arterial switch without residual lesions | No | 76 | 31 | 11 |
| S/P repair of TOF with trans-annular patch current moderate regurgitation | No | 35 | 74 | 9 |
| ASD secundum | No | 91 | 13 | 6 |
| Fully repaired VSD (after 6 mo) | No | 91 | 12 | 4 |
| Previous infective endocarditis | Yes | 88 | ||
| Prosthetic cardiac valve | Yes | 98 | ||
| Average | 62 | 50.7 | 11.3 |
AHA = American Heart Association; ASD = atrial septal defect; AVSD = atrioventricular septal defect; PDA = patent ductus arteriosus; S/P= status post; TOF = tetralogy; VSD = ventricular septal defect.