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Biomedical subjects

M Wright

Publications and source records attributed to M Wright.

328 records · Page 19Linked to original sources

Leigh disease (subacute necrotizing encephalomyelopathy): MR documentation of the evolution of an acute attack.

The radiologic evolution of Leigh disease is documented with sequential brain MR in the acute phase of the illness, at 3 weeks, and at 3 months. High-signal-intensity lesions seen on T2-weighted images in the first week resolved by 3 months, whereas new lesions appear during the chronic stage. Putamenal involvement is not a pathognomonic radiologic finding. Brain stem tegmentum, particularly the mesencephalon, is characteristically involved on MR in the early and late phases of the illness.

Acute Disease↗

Locally applied transdermal nitrate patches for the treatment of ischaemic rest pain.

Patients with severe peripheral vascular disease may suffer considerable pain which can be difficult to control with conventional analgesics. We sought to assess the analgesic effect of transdermal nitrate patches in such patients. A prospective trial was performed in 15 patients with ischaemic rest pain due to atherosclerotic peripheral vascular disease. Pain control and oral analgesic requirement were assessed. Fourteen of the 15 had a good or moderate response to the nitrate patches with a subsequent reduction in oral analgesic requirement. The patients with primarily small vessel disease had the greatest improvement in pain control. We conclude that topical nitrates may be used to provide rapid and safe analgesia for patients with ischaemic rest pain.

Administration, Cutaneous↗