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Management of Rapid Growth and Recurrence of Blood Blister-Like Aneurysms: A Single-Center Experience and Review of the Literature

摘要


PURPOSE. Blood blister-like aneurysms (BBAs) are a unique type of aneurysm, forming a small and broad base shape at the supraclinoid segment of the internal carotid artery (ICA). Our purpose in this study is to review the treatment procedure and outcome of the BBA cases in our center in order to identify some useful recommendations for treating this disease. MATERIALS AND METHODS. We enrolled cases of BBA at supraclinoid ICA admitted to our center from 2017 to 2020. We collected and analyzed the medical history, treatment methods, complications, and clinical outcomes. RESULTS. We included 4 men and 6 women with a mean age of 52.8 years. Treatment of the BBAs consisted of stent-assisted coiling in 7 patients, flow diverter and coiling in 1 patient, and double-stent-assisted coiling in 1 patient. One patient died before any treatment. Rescue treatment was required in 4 patients, involving coiling in 2 cases, surgical trapping in 1 case, and endovascular trapping in the other one case. A good outcome (modified Rankin scale [mRS]: 0-2) was found in 30% of patients, poor function (mRS: 3-5) was found in 40% of patients, and the mortality rate was 30%. CONCLUSION. BBAs require short-term follow-up if no aneurysm is identified on initial angiography and also a short-term postembolization follow-up to rule out rapid recurrence. ICA trapping appears to be a promising strategy if the balloon occlusion test reveals satisfactory results.

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