Table 2.
Properties of noninvasively determined rotors
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | Patient 5 | Patient 6 | |
|---|---|---|---|---|---|---|
| Observation timea, msec | 20,790 | 17,226 | 19,002 | 22,285 | 20,642 | 23,277 |
| Single pair of PS, msec | 14,059 (67.6%) | 12, 304 (71.4%) | 12,123 (63.8%) | 16,204 (72.7%) | 14,573 (70.6%) | 15,886 (68.3%) |
| Rotor's stability time, msec | 6,374 (30.7%) | 5,778 (33.5%) | 6,249 (32.9%) | 4,823 (21.6%) | 5,072 (24,6%) | 6,996 (30.1%) |
| Rotors, n | 44 | 36 | 35 | 30 | 32 | 45 |
| CW rotors, n (%) | 27 (64.3) | 19 (52.8) | 12 (34.3) | 14 (46.7) | 17 (53.1) | 16 (35.6) |
| Full rotor rotations, n | 1.2 ± 0.4 | 1.1 ± 0.4 | 1.2 ± 0.4 | 1.3 ± 0.6 | 1.3 ± 0.4 | 1.2 ± 0.5 |
| 1 full rotation, n (%) | 38 (90.5) | 31 (86.1) | 28 (80.0) | 26 (86.7) | 27 (84.4) | 34 (75.6) |
| 2 full rotations, n (%) | 6 (9.5) | 5 (13.9) | 6 (17.1) | 4 (13.3) | 5 (15.6) | 8 (17.8) |
| 3 full rotations, n (%) | 0 | 0 | 1 (2.9) | 0 | 0 | 2 (4.4) |
| 4 full rotations, n (%) | 0 | 0 | 0 | 0 | 0 | 1 (2.2) |
| Rotor cycle length, msec | 145 ± 18 | 161 ± 22 | 178 ± 24 | 160 ± 15 | 159 ± 19 | 155 ± 11 |
| Meandering distance during 1 cycle, mm | 13.8 ± 5.2 | 15.7 ± 6.1 | 16.4 ± 5.6 | 14.7 ± 4.7 | 15.4 ± 5.3 | 14.8 ± 4.0 |
| Aggregation sites, n | 2 | 2 | 2 | 2 | 2 | 3 |
| Rotors at aggregation sites, n (%) | 24 (57.1)@ RSPV roof7 (16.7)@ inferoseptal LA | 15 (41.7)@ posterior LA7 (19.5)@ SVC | 15 (42.9)@ LSPV14 (40)@ lateral RA | 14 (46.7)@ posterior LA10 (33.3)@ RSPV | 14 (43.8)@ lateral RA12 (37.5)@ posterior LA | 11 (24.4)@ anterior LA9 (20)@ left post. LA8 (17.8)@ right post. LA |
PS, phase singularity; CW, clockwise; LA, left atrium; LSPV, left superior pulmonary vein; post., posterior; RA, right atrium; RSPV, right superior pulmonary vein; SVC, superior vena cava.
a
Sum of analyzed TQ intervals.