Research Article
Benefits of On-X Mitral Valve Replacement in Cases of Infective Endocarditis
Table 4
Pre-operative echocardiographic variables among the total patients and per study group.
| | | Total | On-X group | SJM group | value | | (n = 40) | (n = 13) | (n = 27) |
| | LAD (mm) | 47.1 ± 10.0 | 43.3 ± 13.4 | 48.2 ± 7.5 | 0.0560 | | LVDd (mm) | 53.9 ± 6.9 | 52.6 ± 4.7 | 54.3 ± 7.6 | 0.6439 | | LVDs (mm) | 33.9 ± 6.0 | 31.2 ± 5.1 | 35.2 ± 6.3 | 0.1386 | | LVEF (%) | 66.1 ± 8.7 | 69.6 ± 7.7 | 65.3 ± 6.4 | 0.0684 | | TR-PG (mmHg) | 33.3 ± 16.8 | 30.1 ± 10.9 | 34.8 ± 19.0 | 0.5249 | | E/e′ | 21.7 ± 10.6 | 22.4 ± 11.7 | 19.7 ± 7.7 | >0.9999 | | MV peak v (m/s) | 1.6 ± 0.3 | 1.6 ± 0.3 | 1.7 ± 0.4 | 0.8857 | | MV max PG (mmHg) | 11.5 ± 5.0 | 11.1 ± 7.4 | 11.7 ± 4.7 | 0.8000 | | MV mean PG (mmHg) | 4.3 ± 2.7 | 4.9 ± 5.0 | 4.0 ± 1.8 | >0.9999 |
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Values are mean ± SD. LAD left atrial diameter, LVDd left ventricular end-diastolic diameter, LVDs left ventricular end-systolic diameter, LVEF left ventricular ejection fraction, MV mitral valve, SJM St. Jude Medical, TR-PG tricuspid regurgitation pressure gradient.
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