Table 2.
Imaging findings of MVP patients between two groups
| All subjects (n = 85) |
SCA/VA group (n = 7) |
No-SCA/VA group (n = 78) |
P | |
|---|---|---|---|---|
| Echocardiography | ||||
| MR grade | 0.153 | |||
| No | 4 (4.7) | 1 (14.3) | 3 (3.8) | |
| Mild | 9 (10.6) | 2 (28.6) | 7 (9.0) | |
| Moderate | 15 (17.6) | 0 (0.0) | 15 (19.2) | |
| Severe | 57 (67.1) | 4 (57.1) | 53 (67.9) | |
| Involved leaflet | 0.503 | |||
| Anterior | 48 (56.5) | 5 (71.4) | 43 (55.1) | |
| Posterior | 29 (34.1) | 1 (14.3) | 28 (35.9) | |
| Both | 8 (9.4) | 1 (14.3) | 7 (9.0) | |
| RVSP (mmHg) | 34.0 (28.0–47.0) | 23.0 (21.0–27.0) | 35.0 (28.0–51.0) | 0.002 |
| Ruptured chordae tendinae | 26 (30.6) | 1 (14.3) | 25 (32.1) | 0.583 |
| CMR | ||||
| LVEF (%) | 60.0 (52.0–68.0) | 51.0 (49.0–66.5) | 60.0 (52.0–68.0) | 0.522 |
| LA volume index | 56.5 (35.1–79.7) | 58.2 (40.0–80.0) | 30.0 (29.5–60.2) | 0.111 |
| LVEDV index (mL/m2) | 122.3 (99.4–155.1) | 111.6 (83.1–145.3) | 122.5 (100.3–159.5) | 0.480 |
| LVESV index (mL/m2) | 50.1 (32.4–72.8) | 54.9 (23.1–74.2) | 49.6 (33.3–72.7) | 0.716 |
| RVEF (%) | 53.0 (43.0–60.0) | 55.0 (50.0–60.0) | 53.0 (41.0–59.0) | 0.437 |
| RVEDV index (mL/m2) | 90.5 (69.3–129.0) | 96.3 (74.0–118.5) | 90.5 (69.3–128.7) | 0.936 |
| RVESV index (mL/m2) | 40.5 (29.8–68.1) | 39.2 (28.2–57.8) | 41.3 (30.5–73.4) | 0.762 |
| Prolapse distance (mm) | 6.6 (4.1–8.4) | 8.0 (4.8–9.7) | 6.6 (3.9–8.4) | 0.274 |
| Mitral annular disjunction | 13 (15.7) | 3 (42.9) | 10 (13.2) | 0.127 |
| Systolic curling motion | 9 (10.8) | 3 (42.9) | 6 (7.9) | 0.027 |
| Presence of LGE | 8 (9.4) | 4 (57.1) | 4 (5.1) | < 0.001 |
| LGE volume (g) | 0 (0–0) | 1.3 (0.0–15.1) | 0 (0–0) | < 0.001 |
| LGE proportion (%) | 0 (0–0) | 1.2 (0.0–7.8) | 0 (0–0) | < 0.001 |
Values are presented as number (%) and median (first and third quartiles) for categorical, and continuous variables, respectively
CMR Cardiac magnetic resonance, LA left atrial, LGE late gadolinium enhancement, LVEDV left ventricular end diastolic volume, LVEF left ventricular ejection fraction, LVESV left ventricular end systolic volume, MR mitral regurgitation, MVP mitral valve prolapse, RVEDV right ventricular end diastolic volume, RVEF right ventricular ejection fraction, RVESV right ventricular end systolic volume, RVSP right ventricular systolic pressure, SCA sudden cardiac arrest, VA ventricular arrhythmia