Table 2.
Microbiological and Echocardiographic Variables.
| Microbiological study | |
| Coagulase-negative staphylococci | 6 (16%) |
| Staphylococcus aureus | 12 (32%) |
| MSSA | 10 (26%) |
| MRSA | 2 (5%) |
| Enterococcus Faecalis | 2 (5%) |
| Viridians Streptococci | 7 (18%) |
| HACEK group | 0 (0%) |
| Others | 5 (13%)* |
| Fungi | 0 (0%) |
| Culture negative | 6 (16%) |
| Echocardiographic study | |
| Left ventricular ejection fraction, % | 64.2±9.2 |
| Vegetation presentation | 31(82%) |
| Size of vegetation, mm | 12.1±4.9 |
| Size of vegetation >10 mm | 21 (55%) |
| Adhesion sites of vegetation | |
| Aortic valve | 11 (29%)† |
| Mitral valve | 18 (47%) |
| Tricuspid valve | 1 (3%) |
| Left ventricular wall | 2 (5%) |
| Pacemaker lead | 1 (3%) |
| Abscess formation | 7 (18%) |
| Perforation | 3 (8%) |
| Dehiscence | 3 (8%) |
| Fistula | 0 (0%) |
| Number of times of TTE required to establish the diagnosis | 1.4±0.7 |
| TEE performance | 28 (74%) |
*including one case with Streptococcus bovis, †including three bicuspid aortic valve cases.
MSSA: methicillin-sensitive Staphylococcus aureus, MRSA: methicillin-resistant Staphylococcus aureus, HACEK: Haemophilus species, Aggregatibacter species, Cardiobacteriumhominis, Eikenella corrodens and Kingella species, TTE: transthoracic echocardiography, TEE: transesophageal echocardiography