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Table 3 Imaging features of patients with acute aortic dissection type A

From: A preoperative mortality risk assessment model for Stanford type A acute aortic dissection

Variable Alive (n = 527) Deceased (n = 146) Total (n = 673)
EF ≤ 50% 21 (3.98) 19 (13.01) 87 (12.93)
Average ascending aorta diameter by TTE ≥ 55 mm 54 (10.25) 33 (22.60) 87 (12.93)
Aortic insufficiency 342 (64.90) 110 (75.34) 452 (67.16)
 Severe 68 (12.90) 21 (14.38) 89 (13.22)
 Moderate 85 (16.13) 26 (17.81) 111 (16.49)
 Minor 189 (35.86) 63 (43.15) 252 (37.44)
Moderate or massive pericardial effusion 33 (6.26) 22 (15.07) 55 (8.17)
Electrocardiographic myocardial ischemia 54 (10.25) 35 (23.97) 89 (13.22)
Sinotubular junction diameter by CTA ≥ 55 mm 22 (4.17) 16 (10.96) 38 (5.65)
Ascending aorta diameter by CTA ≥ 55 mm 84 (15.94) 28 (19.18) 112 (16.64)
FL/TL of the ascending aorta ≥ 0.75 117 (56.00) 40 (27.40) 157 (23.33)
FL/TL of the thoracic aorta ≥ 0.75 71 (13.47) 39 (26.71) 110 (16.34)
FL/TL of the abdominal aorta ≥ 0.75 40 (7.59) 25 (17.12) 65 (9.66)
Patent false lumen 207 (39.28) 93 (63.70) 300 (44.58)
RCCA involvement 76 (14.42) 41 (28.08) 117 (17.38)
IA involvement 222 (42.13) 90 (61.64) 312 (46.36)
SMA involvement 140 (26.57) 68 (46.58) 208 (30.91)
RA involvement 280 (53.13) 97 (61.64) 342 (50.82)
CIA involvement 252 (47.82) 90 (61.64) 342 (50.82)
Abdominal aortic aneurysm 23 (4.36) 6 (4.11) 29 (4.31)
  1. Categorical variables are reported as numbers (%)
  2. EF, ejection fraction; TTE, transthoracic echocardiography; CTA, computed tomography angiography; FL, false lumen; TL, true lumen; RCCA, right common carotid artery; IA, innominate artery; SMA, superior mesenteric artery; RA, renal artery; CIA, common iliac artery