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Tissue shock in free flaps in rat experiment significance classification and effect

Tissue shock in free flaps in rat experiment significance classification and effect

Handchirurgie Mikrochirurgie Plastische Chirurgie 19(5): 269-272

In free transfers of groin flaps in neurotized rats, spasms of the predicle and of the vessels of the flap itself were observed. These spasms were in many cases the cause of complications. Four kinds of spasm were distinguished: 1. Segmental spasm - practically always on the inferior epigastric artery, characterized by short sections of spasm of the artery, alternating with sections of normal dilatation. 2. Spasm of the whole artery. 3. Spasm in the flap itself - characterized by normal dilatation of the artery stem of the flap and by slowing of inhibition of blood circulation through the flap. 4. Tissue shock of the flap characterized by spasm of the predicle in the flap also. The present work further shows a method fo assessing the amount of blood circulation through the flap and the results of local medication influencing spasm, including 1% Mesocain, 0,5% Marcain and Solutio Vischnjevskij.

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