Outcome for patients with carotid stenosis undergoing carotid endarterectomy, the cerebral condition followed by extra intracranial ultrasound examinations

被引:3
作者
Enevoldsen, EM
Norby, J
Rohr, N
Elbirk, A
Justesen, P
机构
[1] Odense Univ Hosp, Dept Neurol, DK-5000 Odense, Denmark
[2] Odense Univ Hosp, Dept Thorac & Vasc Surg, DK-5000 Odense, Denmark
[3] Odense Univ Hosp, Dept Radiol, DK-5000 Odense, Denmark
来源
ACTA NEUROLOGICA SCANDINAVICA | 1999年 / 99卷 / 06期
关键词
carotid endarterectomy; prognosis; risk factors; transcranial Doppler; pulsatility index;
D O I
10.1111/j.1600-0404.1999.tb07362.x
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Seventy-six patients undergoing carotid endarterectomy were studied to estimate the effect of operation, evaluate the accessible methods of examination and disclose the complications owing to the operation. In addition, the hypothesis that the pulsatility index in MCA measured by the Doppler method could disclose severe ischemia and risk of complications during endarterectomy was tested. The study was a prospective study of patients operated at the University Hospital in Odense in the years 1991-1996. Data collected included demographics, operative indications, complications, follow-up extra/transcranial Doppler examinations, cerebrovascular reactivity investigations, recurrent symptoms and deaths. Concerning the carotid stenosis, a fairly good correlation was found between the results of extracranial Doppler examinations, Duplex and carotid angiography. Serious complications after surgery were few. One patient, who had a coronary by-pass operation consecutive to the endarterectomy, died 3 weeks after the operation, owing to a hematothorax. Five patients (7%) suffered a stroke. Only 2 patients needed rehabilitation, and they came out with minor disturbances in the use of a hand. Recurrent stenosis in excess of 69% emerged in 3% of the patients. All were hemodynamically insignificant. One patient had a new TIA during the observation time of 3-60 months. After the operation she had a thrombosis in the operated carotid artery. Thus our results, a perioperative stroke rate of 7% and a mortality rate of 1%, are in line with the average results in multicenter trials. In addition a PI below 0.60 in the MCA seemed to be a warning of the risk of postoperative cerebral hyperemia.
引用
收藏
页码:340 / 348
页数:9
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