Annals of vascular surgery · 2015
Clinical Features and Therapeutic Options for Isolated Visceral Artery Dissection.
СтатьяНазвание и аннотация: Перевод в очереди
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Chen Zhao-Lei, Zhang Xi-Cheng, Pan Guang-Rui, Sun Yuan, Xu Miao, Li Xiao-Qiang
Аннотация
BACKGROUND: The diagnosis of isolated visceral artery dissection (IVAD) has become more common with the increasing use of computed tomography angiography (CTA). We examined the presentation, treatment, and outcomes of patients with IVAD treated at our institution.
METHODS: The records of 72 patients treated for IVAD between January 2010 and August 2014 were analyzed retrospectively. All were treated with antiplatelet or anticoagulant drugs after admission and were continued on oral aspirin for at least 1 year. Four asymptomatic and 52 symptomatic patients were managed conservatively with blood pressure control, bowel rest, fluid supplementation, and nutritional support. Two patients underwent open surgery because of hematochezia and 16 underwent endovascular bare-metal stenting.
RESULTS: Symptoms gradually resolved in those treated conservatively, and favorable arterial wall remodeling was observed in 16 patients. Twenty-one stents were implanted in 16 patients with superior mesenteric artery dissection; 3 patients required overlapping stents. During follow-up (range, 3-53 months), all patients were symptom-free, and there were no recurrences. Follow-up CTA of patients who underwent endovascular stenting demonstrated satisfactory stent and true lumen patency.
CONCLUSIONS: IVAD is not uncommon. It occurs most frequently between the ages of 46 and 60 years and affects more men than women. A favorable outcome can be achieved in most of the patients with conservative management. Ischemic bowel necrosis is rare but requires open surgery. Endovascular bare-metal stenting is recommended when there is persistent abdominal pain, progression of the lesion, apparent stenosis of a true lumen compressed by a false lumen, or dilation of false lumen at a high risk of rupture.
METHODS: The records of 72 patients treated for IVAD between January 2010 and August 2014 were analyzed retrospectively. All were treated with antiplatelet or anticoagulant drugs after admission and were continued on oral aspirin for at least 1 year. Four asymptomatic and 52 symptomatic patients were managed conservatively with blood pressure control, bowel rest, fluid supplementation, and nutritional support. Two patients underwent open surgery because of hematochezia and 16 underwent endovascular bare-metal stenting.
RESULTS: Symptoms gradually resolved in those treated conservatively, and favorable arterial wall remodeling was observed in 16 patients. Twenty-one stents were implanted in 16 patients with superior mesenteric artery dissection; 3 patients required overlapping stents. During follow-up (range, 3-53 months), all patients were symptom-free, and there were no recurrences. Follow-up CTA of patients who underwent endovascular stenting demonstrated satisfactory stent and true lumen patency.
CONCLUSIONS: IVAD is not uncommon. It occurs most frequently between the ages of 46 and 60 years and affects more men than women. A favorable outcome can be achieved in most of the patients with conservative management. Ischemic bowel necrosis is rare but requires open surgery. Endovascular bare-metal stenting is recommended when there is persistent abdominal pain, progression of the lesion, apparent stenosis of a true lumen compressed by a false lumen, or dilation of false lumen at a high risk of rupture.