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Biomedical subjects

D B Frewin

Publications and source records attributed to D B Frewin.

At least 127 records · Page 7Linked to original sources

Causalgia.

Causalgia is a distressing syndrome which should be diagnosed and treated promptly. A presumptive diagnosis can be made on the basis of the existence of burning pain, autonomic dysfunction and atrophic changes. Confirmation of diagnosis can be obtained by assessing the results of a sympathetic block. Some patients with causalgia may be mistaken for "hysterics" or "malingerers." Treatment may require physical and occupational therapy, analgesics, tranquilizers, sympathetic block or sympathectomy. The merits of adrenergic blocking agents, percutaneous electrical stimulation, dorsal column stimulation and acupuncture are still to be evaluated.

Adult↗

Vascular responses in the hands of patients suffering from migraine.

The response of the hand blood vessels to a measured, controlled cold stimulus was determined, using venous occlusion plethysmography, in normal subjects and patients who suffered from migraine. The resting level of hand blood flow was found to be higher in the patients, but the percentage fall in flow that resulted when the cold stimulus was applied was less than in the normal subjects. The hand blood vessels of the patients responded to intra-arterial noradrenaline and tyramine in a normal fashion.

Adult↗