TABLE 3.
Antecedent Aortic Size in Relation to Subsequent AoD: Overall GenTAC Registry
| Overall Population (N = 1,596)
|
History of Proximal Aortic Surgery (n = 711)
|
No History of Proximal Aortic Surgery (n = 885)
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| AoD− (n = 1,566) | n | AoD+ (n = 30)† | n | p Value | AoD− (n = 696) | n | AoD+ (n = 15) | n | p Value | AoD− (n = 870) | n | AoD+ (n = 15) | n | p Value | |
| Aortic valve annulus | 2.5 (2.2–2.9) | 1,097 | 2.7 (2.5–3.2) | 22 | 0.02* | 2.7 (2.4–3.2) | 344 | 3.1 (2.6–4.2) | 7 | 0.048* | 2.4 (2.2–2.8) | 753 | 2.6 (2.3–3.0) | 15 | 0.12 |
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| Sinuses of Valsalva | 3.9 (3.4–4.3) | 1,226 | 4.2 (3.9–4.8) | 21 | 0.01* | 4.1 (3.6–4.6) | 405 | 4.7 (4.3–5.3) | 6 | 0.1 | 3.8 (3.4–4.2) | 821 | 4.2 (3.9–4.6) | 15 | 0.03* |
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| Sinotubular junction | 3.2 (2.8–3.7) | 1,141 | 3.5 (2.8–3.9) | 21 | 0.12 | 3.5 (3.0–4.0) | 349 | 3.0 (2.8–5.0) | 6 | 0.6 | 3.1 (2.8–3.6) | 792 | 3.5 (3.2–4.0) | 15 | 0.02* |
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| Ascending aorta | 3.6 (3.0–4.2) | 1,135 | 3.7 (3.3–4.3) | 21 | 0.4 | 3.9 (3.2–4.8) | 362 | 3.5 (3.2–4.3) | 7 | 0.6 | 3.5 (2.9–4.0) | 773 | 3.7 (3.3–4.4) | 14 | 0.12 |
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| Proximal arch | 3.0 (2.6–3.5) | 1,068 | 3.1 (2.9–3.4) | 21 | 0.08 | 3.1 (2.8–3.6) | 422 | 3.0 (2.9–3.3) | 10 | 0.9 | 2.8 (2.5–3.3) | 646 | 3.2 (3.0–3.5) | 11 | 0.02* |
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| Transverse arch | 2.6 (2.2–3.0) | 1,055 | 2.8 (2.5–3.1) | 20 | 0.04* | 2.8 (2.4–3.1) | 434 | 2.6 (2.5–3.2) | 9 | 0.8 | 2.5 (2.1–2.8) | 621 | 2.8 (2.6–3.1) | 11 | 0.01* |
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| Isthmus | 2.3 (1.8–2.6) | 872 | 2.5 (2.0–3.0) | 19 | 0.06 | 2.4 (2.2–2.8) | 366 | 2.6 (2.0–3.2) | 9 | 0.4 | 2.1 (1.7–2.4) | 506 | 2.3 (2.1–2.8) | 10 | 0.04* |
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| Mid-descending thoracic aorta | 2.3 (2.0–2.7) | 838 | 2.7 (2.4–3.3) | 16 | 0.003* | 2.5 (2.2–2.8) | 362 | 3.3 (2.9–3.6) | 8 | 0.001* | 2.2 (1.9–2.6) | 476 | 2.5 (2.1–2.7) | 8 | 0.2 |
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| Thoracoabdominal aorta | 2.2 (2.0–2.5) | 528 | 2.8 (2.3–3.1) | 11 | 0.006* | 2.3 (2.1–2.5) | 281 | 2.9 (2.8–3.1) | 6 | 0.02* | 2.1 (1.9–2.4) | 247 | 2.5 (2.3–2.6) | 5 | 0.13 |
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| Suprarenal abdominal aorta | 2.1 (1.9–2.4) | 377 | 2.5 (2.4–2.8) | 9 | 0.004* | 2.2 (1.9–2.4) | 204 | 2.8 (2.6–3.0) | 5 | 0.002* | 2.0 (1.8–2.2) | 173 | 2.3 (2.0–2.4) | 4 | 0.2 |
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| Infrarenal aorta | 1.9 (1.6–2.2) | 728 | 1.9 (1.8–2.7) | 14 | 0.03* | 1.9 (1.7–2.3) | 291 | 2.5 (2.2–3.9) | 7 | 0.01* | 1.8 (1.6–2.1) | 437 | 1.8 (1.7–1.9) | 7 | 0.7 |
Values are median (interquartile range [IQR]). All characteristics are measured in centimeters.
*
p<0.05.
†
Antecedent aortic size measurement was not available in 1 subject with aortic dissection.
Abbreviations as in Table 1.