Table 2 Preoperative TTE and CT characteristics
HG AS 293 (61.2%) | LG AS 186 (38.8%) | Total 479 | p value | |
|---|---|---|---|---|
Echocardiographic parameters | ||||
Max PG mmHg | 71 (64–91) | 48 (32–59) | 63 (48.7–84.5) | < 0.05 |
Mean PG mmHg | 46 (42–59) | 32 (26–35) | 41 (32.7–49.7) | < 0.05 |
AVA cm2 | 0.83 (0.7–0.9) | 0.7 (0.7–0.8) | 0.75 (0.7–0.9) | ns |
RVSP mmHg | 38 (12) | 50 (15) | 41 (13) | < 0.05 |
LVEF % | 54 (14) | 47 (11) | 51.2 (13) | ns |
More than mod. MR | 69 (23.3) | 45 (24.2) | 114 (23.8) | ns |
More than mod.TR | 37 (12.6) | 37 (19.9) | 74 (15.4) | < 0.05 |
CT parameters | ||||
Mean annulus D (mm) | 25 mm (23–25.5) | 23.5 mm (21.5–27) | 23.5 (23–26) | ns |
Max annulus D (mm) | 26 (25–28) | 26 (25–28) | 26 (22–30) | ns |
Min annulus D (mm) | 23 (20–24) | 20 (19–24) | 21.5 (20–24) | < 0.05 |
LVOT (mm) | 25 mm (23–26.7) | 23 (20–20) | 25 (22–26) | < 0.05 |
Eccentricity index | 0.11 (0.1–0.2) | 0.23 (0.19–0.27) | 0.17 (0.1–0.21) | < 0.05 |
Annulus area (mm2) | 504 (412–510) | 388.5 (332–510) | 458 (394–510) | ns |
Annulus perimeter (mm) | 78.5 (74–83) | 72 (68.2–81) | 76 (73–83) | ns |
MS (mm) | 3 (2.5–4.9) | 5 (4–5.2) | 3.7 (2.6–5.1) | ns |
Aortic tilting angel | 44 (43–45) | 44 (44–48) | 44 (43–48) | ns |
Calc score (Agaston) | 2069 (894–2477) | 928 (572–1284) | 1288 (750–1815) | < 0.05 |
Calc score (850 HU) | 254 (158–583) | 86 (11–107) | 141 (89–351) | < 0.05 |
Calc score (modified HU) | 1641(1292–1990) | 392.5 (216–947) | 947 (384–2202) | < 0.05 |
AVC V (mm3) | 1537 mm3 (644–1860) | 286 mm3 (160–700) | 701 (239–1632) | < 0.05 |
AVC V (mm3) (850 HU) | 101 (65–256) | 51 (8–77) | 186 (114–426) | < 0.05 |
AVC V (mm3) (modified HU) | 266.5 (160–701) | 137 (49–196) | 197 (139–532) | < 0.05 |
Calc. LCC V (mm3) (modified HU) | 320 (125–543) | 113 (56–270) | 150 mm3 (41–500) | < 0.05 |
Calc. RCC V (mm3) (modified HU) | 600 (261–553) | 94 (45–198) | 289 mm3 (82–550) | < 0.05 |
Calc. NCC V (mm3) (modified HU) | 732 (262–799) | 208 (111–300) | 300 mm3 (119–750) | < 0.05 |