Imaging studies of cerebral hyperperfusion after carotid endarterectomy. Case report.
Imaging studies of cerebral hyperperfusion after carotid endarterectomy. Case report.
复制标题
颈动脉内膜切除术后脑过度灌注的影像学研究。
作者：
A. Penn;D. Schomer;G. Steinberg
报告1例同侧高度颈动脉狭窄动脉内膜切除术后并发癫痫发作的严重单侧半球水肿和局限性出血的病例。包括血管造影、计算机断层扫描(CT)、磁共振成像/血管成像和氙气CT在内的影像检查提示术后同侧脑过度灌注。动脉内膜切除术后，由可能的血管自动调节失败引起的脑高灌注综合征是罕见的，但可能是严重的并发症。对这类并发症的文献进行了简要回顾，并强调了各种影像模式在识别该综合征和指导治疗决策中的作用。
A case is reported of severe unilateral hemispheric edema and localized hemorrhage associated with seizures following endarterectomy of an ipsilateral high-grade carotid stenosis. Imaging studies including angiography, computerized tomography (CT), magnetic resonance imaging/angiography, and xenon-CT, suggested postoperative ipsilateral cerebral hyperperfusion. Cerebral hyperperfusion syndromes caused by a probable failure of vascular autoregulation are rare but potentially serious complications after endarterectomy. The literature on this type of complication is briefly reviewed, and the role of various imaging modalities in identification of the syndrome and in guiding management decisions is emphasized.