Table 3.
| Pre-operative checklist | ||
| Patient : ____________________________ | ||
| Type of Intervention : _____________________________ | ||
| Date : _____________________ | ||
| Bidimensional Echocardiography: transthoracic | ||
| transesophageal | ||
| Parameter | Measure | Normal values |
| Anatomic measures | ||
| Mitral annular dimension | ||
| - Diameter (PSAX in diastole) | <35 mm | |
| - Annulus area | 5–11 cm2 | |
| Annulus/anterior leaflet ratio | <1.3 | |
| Number of involved scallops | – | |
| Calcification (++++ max.) | – | |
| Coaptation point-to-septum distance | ≥2.5 cm | |
| Mitral-aortic angle (°) | 136 ± 13 end-diastole
129 ± 11 end-systole |
|
| IVS thickness (mm) | <11 mm | |
| Subaortic spur (yes/no and mm) | No | |
| LVOT measure (mm) | 20 ± 2 | |
| Leaflet length (mm) | ||
| Anterior leaflet (AL) | ≥26 | |
| Posterior leaflet (PL) | <15 | |
| AL/PL ratio | >1.3 | |
| PL angle (°) | <45 | |
| Chordae length (mm) | ||
| Segments height (P1–P3, cm) | <1.5 | |
| Tenting area (cm2) | <2.5 | |
| Asymmetric tenting (yes/no) | ||
| Functional measures | ||
| LV EDD (mm) | 42–59 | |
| LV EDD/BSA (mm/m2) | 2.2–3 | |
| LV ESV (ml) | 21–61 | |
| LV ESV/BSA (ml/m2) | 11–31 | |
| LV EF (%) | 55–60% | |
| LV GLS (%) | ≥-20% | |
| LAVI (ml/m2) | 16–34 | |
| PALS (%) | ≥39% | |
| fwRVLS (%) | ≥-20% | |
| 3D transesophageal echocardiography | ||
| VCA (cm2) | ≤ 0.4 (cut-off for severe MR) | |
| Presence of cleft/indentation | No | |
| A2 height (mm) | ≤ 26 | |
| P2 height (mm) | <20 | |
| Inter-trigonal distance (mm) | 30 ± 3 | |
BSA, body-surface area; EDD, end-diastolic diameter; EF, ejection fraction; ESV, end-systolic volume; fwRVLS, free-wall right ventricular longitudinal strain; GLS, global longitudinal strain; IVS, interventricular septum; LAVI, left atrial volume index; LV, left ventricular; LVOT, left ventricular outflow tract; PALS, peak atrial longitudinal strain; PSAX, parasternal short axis; VCA, vena contracta area.