Table 1.
Characteristics of 50 patients with extended thoracic aortic aneurysm who underwent open stent-grafting using a Matsui-Kitamura stent
| Variable | Valuea |
|---|---|
| Mean age, y (range) | 70 (45–86) |
| Sex: male/female | 37 (74)/13 (26) |
| Aortic arch disease | |
| Degenerative (no rupture) | 35 (70) |
| Degenerative (with rupture) | 3 (6) |
| Aortic dissection: type A/type B | 6 (12)/4 (8)b |
| Degenerative plus type B dissection | 2 (4) |
| Mean diameter of aneurysm, mm (range) | 66.5 (45–100) |
| Preoperative comorbid disease | |
| Stroke | 9 (18) |
| Ischemic heart disease | 5 (10) |
| Chronic obstructive pulmonary disease | 10 (20) |
| Renal dysfunction (creatinine >2 mg/dL) | 6 (12) |
| Previous vascular surgery | |
| Thoracic endovascular aortic repair | 3 (6) |
| Endovascular aortic repair | 3 (6) |
| Open thoracoabdominal aortic aneurysm repair | 1 (2) |
| Open abdominal aortic aneurysm repair | 5 (10) |
| Bypass surgery for peripheral artery disease | 2 (4) |
aData are shown as number (%) unless otherwise indicated.
bTwo patients had an acute and four a chronic type A dissection; all four type B dissections were chronic.