Non-traumatic ischaemic myelopathy: a review of 25 cases

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Abstract
The causes of ischaemic myelopathy are described in 25 patients. Nine developed following surgical manipulation or traumatic laceration of the aorta, 1 following intercostal artery ligation, 3 following aortic aneurysm dissection, 2 following myocardial infarction and/or cardiac arrest, 7 in the absence of any specifically identifiable predisposing factors, and 3 in association with decompression sickness. The degree of clinical recovery was greater among those with incomplete spastic (as opposed to complete flaccid) paralysis and among those in whom sensory loss below the level of injury was incomplete. Despite the diversity of mechanisms that may lead to the development of spinal cord ischaemia, structural damage seems in most instances to affect either grey matter or white matter predominantly. Some of the possible reasons for these preferential sites of damage are discussed.

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