Study of the Delay Phenomenon in Axial Pattern Flaps in Pigs

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SUMMARYA technique, using radioactively-tagged micro-spheres to measure the blood flow in delayed axial pattern flaps in the pig, is presented. The blood flow was significantly (p<0.01) increased in the delayed portion of these flaps, reaching maximal levels after 4 to 12 days of delay. Also, the blood flow to these flaps correlated with tissue survival during the first week after the delay (p<0.001).

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