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Neurol Res. 2013 Sep;35(7):676-83. doi: 10.1179/1743132813Y.0000000183. Epub 2013 Mar 12.

Clinical features and outcomes of spinal cord infarction following vertebral artery dissection: a systematic review of the literature.

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  • 1Chang Gung Memorial Hospital, Yunlin, Taiwan.

Abstract

OBJECTIVE:

Spinal cord infarction (SCI) is a rare complication of vertebral artery dissection (VAD). Its clinical features and outcomes have not yet been well documented.

METHODS:

In addition to reporting a case with bilateral SCI caused by left VAD, we performed a systematic review of the literature conducted through a PubMed search.

RESULTS:

A total of 17 cases were reviewed (nine men and eight women). The average age was 40·5±14·6 years. In addition to neck pain or headache (88%), patients with VAD-associated SCI often presented with a sensory level (76%) or Brown-Séquard syndrome (53%). The most common regions of dissection were at the V1 or proximal V2 segments, and the infarcted area of SCI was mainly located at C2-C5 levels. Regarding the vascular territory, posterior spinal artery infarction was noted in 29% of patients, spinal sulcal artery infarction in 42%, and anterior spinal artery (ASA) watershed infarction in 29%. Eleven patients (65%) had a good outcome and six patients (35%) had a poor outcome (including one mortality; 6%). Smoking, age above 50 years, and ASA watershed infarction were associated with a poor outcome, while spinal sulcal artery infarction was associated with a good outcome.

CONCLUSION:

Neck pain or headache is an important warning symptom of VAD, and the presence of a concomitant sensory level or Brown-Séquard syndrome is helpful for the early diagnosis of SCI caused by VAD. One-third of patients had a poor outcome, and smoking, old age, and ASA watershed infarction represented important risk factors.

PMID:
23562138
[PubMed - indexed for MEDLINE]
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