Table 5. Peri-operational cardiac performance between procedures in per-protocol population.
| MIPDO (N=49) | Surgical (N=51) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Baseline | Dischargea | 1-month | 3-month | Baseline | Discharge | 1-month | 3-month | ||
| Structural remodeling | |||||||||
| LA (mm) | 21 (20 to 22) | 19 (17 to 21)‡ | 19 (17 to 21)‡ | 20 (18 to 20)† | 22 (19 to 24) | 20 (17 to 22)‡ | 19 (18 to 22)‡ | 19 (17 to 22)‡ | |
| LVEDd (mm) | 33 (30 to 36) | 28 (25 to 31)‡ | 28 (26 to 32)‡ | 29 (26 to 31)‡ | 34 (30 to 37) | 28 (25 to 32)‡ | 29 (26 to 32)‡ | 29 (26 to 32)‡ | |
| RV (mm) | 13 (12 to 14) | 12 (11 to 14) | 12 (11 to 14) | 13 (11 to 14) | 12 (11 to 14) | 12 (10 to 14) | 12 (11 to 14) | 12 (11 to 14) | |
| IVS/LVPW | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | 1 (1 to 1) | |
| Myocardial function | |||||||||
| EF (%) | 67 (65 to 70) | 66 (60 to 70) | 67 (65 to 70) | 67 (65 to 70)¶ | 65 (63 to 69) | 65 (62 to 66) | 65 (63 to 68) | 68 (65 to 70)¶ | |
| Hemodynamic status | |||||||||
| HR (bpm) | 113 (101 to 120) | 122 (113 to 132)‡ | 110 (93 to 120)†¶ | 103 (95 to 116)†¶ | 110 (106 to 120) | 135 (122 to 140)‡ | 107 (100 to 123)¶ | 100 (94 to 116)‡¶ | |
| CI (L/min/m2) | 5.5 (4.1 to 6.9) | 4.1 (3.2 to 5.1)‡ | 3.8 (3.0 to 4.7)‡ | 3.7 (2.8 to 4.4)‡ | 5.7 (4.7 to 7.2) | 4.4 (3.4 to 5.8)‡ | 3.9 (3.3 to 5.5)‡ | 3.7 (3.4 to 5.2)‡ | |
a, measured at 3-day after procedure. †P<0.05, ‡P<0.001 as compared with baseline; ¶P<0.001 as compared with discharge. LA, left atrial diameter; LVEDd, left ventricular end-diastolic dimension; RV, right ventricular diameter; IVS, interventricular septal thickness; LVPW, left ventricular posterior wall thickness; EF, ejection fraction; HR, heart rate; CI, cardiac index.