OBJECTIVE: Most previous reports on intramural hematoma of the aorta have focused on the initial episode. The purpose of this study was to clarify the long-term outcome of intramural hematoma of the aorta. METHODS: Ninety-four cases of intramural hematoma of the aorta (41 type A and 53 type B) were reviewed. There were 69 male and 25 female patients, and their mean age was 66.7 +/- 8.7 years (range, 46-88 years). RESULTS: Eleven (27%) of the patients with type A hematoma and 1 (2%) of the patients with type B hematoma underwent early surgical intervention. Others were treated medically, and the overall hospital mortality was 7% for patients with type versus 2% for patients with type B intramural hematomas of the aorta (P =.315). Twenty-three patients, 9 (22%) with type A and 14 (26%) with type B intramural hematomas of the aorta, underwent late surgical intervention during the follow-up period, and there were no hospital deaths. A total of 23 patients died during the follow-up period, including 6 of intramural hematoma of the aorta-related deaths (3 in the type A group and 3 in the type B group). The estimated freedom from intramural hematoma of the aorta-related events at 1 and 5 years was 70% +/- 8% and 54% +/- 11% for the type A group versus 73% +/- 6% and 58% +/- 8% for the type B group, respectively (P =.972). After excluding the nonintramural hematoma of the aorta-related deaths, the survival rates at 5 and 10 years were 80% +/- 9% and 80% +/- 9% for the type A group and 91% +/- 8% and 81% +/- 11% for the type B group (P =.211). CONCLUSIONS: Intramural hematoma of the aorta-related events occur equally in both types of intramural hematoma of the aorta. We recommend close follow-up for at least 5 years because most intramural hematoma of the aorta-related events occur during this period.
OBJECTIVE: Most previous reports on intramural hematoma of the aorta have focused on the initial episode. The purpose of this study was to clarify the long-term outcome of intramural hematoma of the aorta. METHODS: Ninety-four cases of intramural hematoma of the aorta (41 type A and 53 type B) were reviewed. There were 69 male and 25 female patients, and their mean age was 66.7 +/- 8.7 years (range, 46-88 years). RESULTS: Eleven (27%) of the patients with type A hematoma and 1 (2%) of the patients with type B hematoma underwent early surgical intervention. Others were treated medically, and the overall hospital mortality was 7% for patients with type versus 2% for patients with type B intramural hematomas of the aorta (P =.315). Twenty-three patients, 9 (22%) with type A and 14 (26%) with type B intramural hematomas of the aorta, underwent late surgical intervention during the follow-up period, and there were no hospital deaths. A total of 23 patients died during the follow-up period, including 6 of intramural hematoma of the aorta-related deaths (3 in the type A group and 3 in the type B group). The estimated freedom from intramural hematoma of the aorta-related events at 1 and 5 years was 70% +/- 8% and 54% +/- 11% for the type A group versus 73% +/- 6% and 58% +/- 8% for the type B group, respectively (P =.972). After excluding the nonintramural hematoma of the aorta-related deaths, the survival rates at 5 and 10 years were 80% +/- 9% and 80% +/- 9% for the type A group and 91% +/- 8% and 81% +/- 11% for the type B group (P =.211). CONCLUSIONS: Intramural hematoma of the aorta-related events occur equally in both types of intramural hematoma of the aorta. We recommend close follow-up for at least 5 years because most intramural hematoma of the aorta-related events occur during this period.
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