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  • Title: Long Term Outcomes and Potential Risk Factors for Endovascular Repair of Aortic Pseudoaneurysms in Vascular Behçet's Disease.
    Author: Wu L, Li F, Sun X, Liu Z, Zhou J, Zheng W, Chen Y, Zheng Y.
    Journal: Eur J Vasc Endovasc Surg; 2023 Aug; 66(2):169-177. PubMed ID: 37068704.
    Abstract:
    OBJECTIVE: This study aimed to analyse long term outcomes and risk factors for endovascular repair of aortic pseudoaneurysms in patients with vascular Behçet's disease (BD). METHODS: Medical records of 26 aortic vascular BD patients who underwent endovascular treatment at the vascular department of Peking Union Medical College Hospital between January 2002 and December 2021 were reviewed retrospectively. Erythrocyte sedimentation rate (ESR) and C reactive protein were used to assess BD activity. Computed tomography angiography (CTA) was obtained pre- and post-operatively for almost all patients. Univariable logistic regression analysis was used to analyse risk factors for endovascular repair, such as inflammatory indicators, drug usage, and stent graft parameters. RESULTS: The abdominal aorta (n = 17) was the most common site of 27 vascular BD pseudoaneurysms in this study. CTA also revealed one aortic arch pseudoaneurysm, seven descending thoracic aortic pseudoaneurysms, one thoraco-abdominal aortic pseudoaneurysm, and one pseudoaneurysm at the aortic bifurcation. Most of the pseudoaneurysms were treated with covered stent grafts. The technical success rate was 96% and no deaths occurred during hospital stay. The mean follow up was 5.8 ± 5.5 years and 31% (8/26) experienced post-operative complications. Overall one, three, and five year event free survival rates were 87%, 78%, and 74%, respectively. Univariable logistic regression analysis revealed that pre-operative ESR ≥ 16.0 mm/h (p = .040), pre-operative glucocorticoid (GC) use ≤ 11.5 days (p = .024), pre-operative immunosuppressant use ≤ 15.5 days (p = .028), and length of proximal landing zone ≤ 1.95 cm (p = .034) were associated with a worse prognoses following endovascular treatment. Proximal oversize ≥ 9.5% (p = .074) was also regarded as a risk factor, although not statistically significant. CONCLUSION: This study further confirmed the feasibility of endovascular repair for aortic vascular BD patients. Risk factors predicting poor prognoses included elevated pre-operative ESR, insufficient pre-operative GC use or immunosuppressant use, inadequate proximal landing zone, and larger proximal oversize percentage.
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