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  • Title: Comparable surgical outcomes of abdominal aortic aneurysm repair in patients with and without Marfan syndrome.
    Author: Kang J, Kim YW, Kim DK, Woo SY, Park YJ.
    Journal: J Vasc Surg; 2021 Oct; 74(4):1163-1171. PubMed ID: 33887426.
    Abstract:
    OBJECTIVE: Marfan syndrome (MFS) affects the cardiovascular system. Aortic root aneurysm is a pathognomonic feature of MFS; however, the abdominal aorta is rarely affected. A consensus on surveillance for the abdominal aorta in patients with MFS has not been established. In the present study, we compared the outcomes after open surgical repair (OSR) of abdominal aortic aneurysms (AAAs) in patients with and without MFS. METHODS: We conducted a retrospective, single-center cohort study from 2003 to 2020. We reviewed and compared 28 patients with MFS and 426 patients without MFS who had undergone OSR for AAAs. The baseline characteristics, medical comorbidities, previous cardiovascular surgery, anatomic features of the AAAs, and surgical treatment outcomes were compared between the two groups. RESULTS: The patients with MFS were younger than those without MFS at the AAA diagnosis (47.2 ± 12.3 vs 70.6 ± 7.9 years; P < .001). The proportion of women was also greater for those with MFS (46.4% vs 15.7%; P < .001). The AAAs were most often located at the infrarenal aorta in both groups. However, thoracoabdominal AAAs were more often found among patients with MFS (10.7% vs 0.9%; P < .012). The proportion of symptomatic patients was lower in the MFS group (3.6% vs 21.6%; P = .022). The maximum median diameter of the AAA at surgery was smaller in the patients with MFS (52 mm vs 58 mm; P = .001). However, concomitant aortic dissection (32.1% vs 3.3%; P < .001) was more prevalent among the patients with MFS. Consequent aneurysmal changes in the iliac artery after AAA repair were more frequent in the patients with MFS (7.1% vs 0%; P = .004). No significant differences were found in 30-day or overall mortality between the patients with and without MFS during a median follow-up period of 71 months (interquartile range, 24.7-121.1 months) and 26.7 months (interquartile range, 7.4-69.5 months), respectively. CONCLUSIONS: The surgical outcomes of OSR for AAAs for patients with MFS were not significantly different from those for patients without MFS in a well-established surveillance program of MFS.
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