Table 2.
Microbiological and Echocardiographic Findings of Non-Surgical Stroke
| (in % unless otherwise specified) | All patients (N=1157) |
By Stroke Subtype at Admission | ||
|---|---|---|---|---|
| No stroke (N=979) |
Ischemic (N=145) |
Hemorrhagic (N=33) |
||
| MICROBIOLOGY | ||||
| Positive Cultures | 87.6 | 87.3 | 89.2 | 94.9 |
| Staph aureus or lugdunesis | 33.4 | 31.7 | 44.6* | 35.9 |
| MRSA | 11.5 | 12.1 | 7.4 | 12.8 |
| Coagulase (–) Staphylococcus | 13.6 | 13.0 | 17.6 | 2.6 |
| Streptococci (any) | 23.2 | 24.3 | 15.5* | 25.6 |
| Streptococcus viridans | 6.7 | 7.4 | 2.7* | 10.3 |
| Enterococcus | 10.2 | 10.3 | 9.5 | 20.5* |
| HACEK | 1.7 | 1.8 | 0.7 | 2.6 |
| Fungus | 1.6 | 1.6 | 1.4 | 5.1 |
| ECHOCARDIOGRAPHY | ||||
| Affected Valve | ||||
| Aortic | 34.5 | 34.4 | 35.1 | 25.6 |
| Mitral | 35.0 | 31.3 | 59.5* | 51.3* |
| Tricuspid | 7.7 | 8.0 | 6.1 | 7.7 |
| Pulmonary | 1.1 | 1.2 | 0.0 | 0.0 |
| Type of Valve Affected | ||||
| Native | 77.4 | 77.5 | 76.4 | 84.6 |
| Mechanical | 5.3 | 5.4 | 4.7 | 7.7 |
| Tissue | 17.3 | 17.1 | 18.9 | 7.7 |
| All Prosthetic | 22.6 | 22.5 | 23.6 | 15.4 |
| Any Vegetation | 64.9 | 62.6 | 80.4* | 66.7 |
| Aortic | 17.7 | 17.5 | 18.9 | 12.8 |
| Mitral | 20.0 | 17.7 | 35.1* | 28.2 |
| Vegetation Size (mm, median, IQR)** | 11, 7-15 | 10, 7-15 | 14, 9-19 | 12, 6-20 |
| Any Abscess | 12.6 | 10.5 | 26.4* | 17.9 |
*
p-value <0.05
Abbreviations: MRSA methicillin-resistant Staphylococcus aureus; HACEK Haemophilus, Aggregatibacter, Cardiobacterium hominis, Eikenella corrodens, Kingella; LVH left ventricular hypertrophy.
**
Interquartile range only available in 388 patients.