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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