Baseline and operative characteristics in 82 patients who underwent transcatheter aortic valve replacement with the ACURATE neo system and the iSleeve sheath at Karolinska University Hospital, Stockholm, Sweden, between March 2018 and February 2019
| All patients N=82 | Normal vessel diameter* N=41 | Small vessel diameter* N=41 | |
| Age (years), mean (SD) | 81.7 (6.6) | 82.7 (6.7) | 80.6 (6.4) |
| Female sex | 45 (55) | 22 (54) | 23 (56) |
| Current smoker | 5 (6) | 0 (0) | 5 (12) |
| Body mass index (kg/cm2), mean (SD) | 25.5 (4.9) | 26.1 (5.6) | 24.8 (4.0) |
| Diabetes mellitus | 19 (23) | 10 (24) | 9 (22) |
| Peripheral artery disease | 12 (15) | 4 (10) | 8 (20) |
| Atrial fibrillation | 29 (35) | 13 (32) | 16 (39) |
| Previous coronary artery bypass grafting | 7 (9) | 3 (7) | 4 (10) |
| Previous percutaneous coronary intervention | 21 (26) | 11 (27) | 10 (24) |
| Previous arterial intervention on same side | 2 (2) | 1 (2) | 1 (2) |
| Previous arterial access on same side within 6 months | 6 (7) | 0 (0) | 6 (15) |
| EuroSCORE II, mean (SD) | 7.3 (10.9) | 7.8 (14.6) | 6.8 (5.8) |
| Minimal femoral artery diameter (mm), mean (SD) | 5.7 (1.1) | 6.5 (1.0) | 4.9 (0.5) |
| Access vessel calcification† | |||
| None | 2 (2) | 2 (5) | 0 (0) |
| Mild | 30 (37) | 22 (54) | 8 (20) |
| Moderate | 39 (48) | 16 (39) | 23 (56) |
| Severe | 11 (13) | 1 (2) | 10 (24) |
| Access vessel tortuosity† | |||
| None | 1 (1) | 1 (2) | 0 (0) |
| Mild | 48 (59) | 24 (59) | 24 (59) |
| Moderate | 32 (39) | 15 (37) | 17 (41) |
| Severe | 1 (1) | 1 (2) | 0 (0) |
| Preoperative aortic valve mean pressure gradient, mean (SD) | 47.9 (11.7) | 49.5 (13.5) | 46.4 (9.6) |
| Sheath-to-femoral artery ratio, mean (SD) | 1.33 (0.2) | 1.15 (0.2) | 1.52 (0.2) |
Data are n (%) unless otherwise noted.
*Normal vessel diameter defined as at least 5.5 mm and small vessel diameter as below 5.5 mm.
†Subjectively assessed on multidetector computed tomography.