| MVA-PHT (cm2) | MVA-3D (cm2) | MVA-TTE (cm2) |
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Recorded data | 2.51 ± 0.71 (2.23–2.80) | 2.91 ± 0.65* (2.65–3.17) | 2.40 ± 0.59 (2.16–2.63) |
Observer A | 2.54 ± 0.67 (2.27–2.81) | 3.00 ± 0.63* (2.75–3.25) | |
Observer B | 2.62 ± 0.98 (2.22–3.02) | 2.97 ± 0.88* (2.61–3.33) | |
- Values are expressed as mean ± SD (95% confidence interval).
-
*: p < 0.05, vs. MVA-TTE.
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Abbreviations: MVA, mitral valve area; PHT, pressure half-time technique using transoesophageal echocardiography at intra-operative post-mitral valve repair surgery period; 3D, 3 dimensional planimetry technique using transoesophageal echocardiography at intra-operative post-mitral valve repair surgery period; TTE, pressure half-time technique using transthoracic echocardiography at post-operative day 7.