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Effects of Regional Intravenous Guanethidine Block in Posttraumatic Cold Intolerance in Hand Amputees.

From the University Hospital, Uppsala.

In twenty-four patients with intolerance to cold after partial or complete finger amputations, lower skin temperature together with cold and vibration allodynia (allodynia = pain due to a non-noxious stimulus to neural skin) were found in the cold intolerant area compared with the corresponding area in the uninjured hand. When treated with regional intravenous guanethidine block nine patients became free from symptoms for up to twelve weeks, which is longer than would be expected from the duration of the known pharmacological effects of guanethidine. The patients had several features in common with reflex sympathetic dystrophies, and we suggest that neurogenic rather than vascular disturbances are mainly involved in the post-traumatic cold intolerance syndrome.

Journal of Hand Surgery (British and European Volume), Vol. 10, No. 2, 145-150 (1985)
DOI: 10.1016/0266-7681(85)90003-8


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