Table 1 Summary of 9 patients with aortic intramural hematoma (IMH) and broken-crescent sign on chest CT
Case no. | Age | Sex | Clinical findings | Co-morbidities | IMH type/thickness/max. aorta diameter | Time to surgery | Surgical findings and treatment | Follow-up |
|---|---|---|---|---|---|---|---|---|
1 | 84 | M | ACP and dizziness lessen after 5 hrs, stable for 2 days with sudden CV collapse, follow-up CT revealed aortic rupture | Gout, HT, hyperlipidemia | A/4 mm/52 mm | NA | NA | Death |
2 | 80 | M | Type B IMH stable for 2 days with recurrent chest pain and dyspnea; follow-up CT revealed blood clot abutting aorta and pleural effusion | HT, gastric cancer post gastrectomy | B/8 mm/47 mm | 54 hrs | Shock just before endovascular repair | Death |
3 | 62 | M | ACP with radiation to back alleviated after 4 hrs, stable for 1 day with sudden CV collapse | HT | A/5 mm/48 mm | NA | NA | Death |
4 | 55 | M | ACP alleviated after 1 day, stable for 3 days with sudden CV collapse | HT | A/6 mm/46 mm | NA | NA | Death |
5 | 83 | F | ACP alleviated after 6 h, sudden CV collapse on day 2 | HT | B/5 mm/42 mm | NA | NA | Death |
6 | 48 | F | Chest tightness and dyspnea for 3 hrs | DM, angina, HT | A/4 mm/48 mm | 8 hrs | AsAo ecchymosis with adventitial tear, AsAo graft | 4 yrs, stable |
7 | 77 | F | ACP radiation to back alleviated after 4 hrs | HT, left knee replacement | A/4 mm/46 mm | 9 hrs | AsAo ecchymosis with adventitial tear, AsAo graft | 3 yrs, stable |
8 | 66 | M | ACP for 2 hrs with cold sweating | DM, HT, CKD, arrhythmia | A/6 mm/53 mm | 7 hrs | Impending rupture, AsAo graft | 3 yrs, stable |
9 | 72 | F | Severe back pain for 2 hrs | CKD, dialysis | B/7 mm/43 mm | 9 hrs | Endovascular repair | 5 yrs, stable |