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Effects of Haemodilution and Rewarming with Regard to Digital Amputation in Frostbite Injury: An Experimental Study in the RabbitFrom the Mixed Research Unit, University of Zaragoza and the Regional Centre for Surgery of the Hand, Quirón Clinic, Zaragoza, Spain Correspondence: Dr G. Martínez Villén, Unidad Mixta de Investigación-HCU-Universidad de Zaragoza. C/Domingo Miral s/n, 50009 Zaragoza, Spain. E-mail: GMARVIL{at}terra.es Peripheral vascular failure with haematological and haemodynamic changes occurs after frostbite injuries. In order to study the effects of normovolemic haemodilution on the extent of digital necrosis, the paws of rabbits were haemodiluted and frozen to –15°C. Dextran or gelatin was used as the plasma substitute in two groups and the rewarming after the cold injury was performed either at room temperature (22°C) or with hot water baths (38°C). The extent of necrosis was significantly less in the rabbits haemodiluted with dextran or gelatin and rewarmed in hot water baths.
Journal of Hand Surgery (British and European Volume), Vol. 27, No. 3,
224-228 (2002) |
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