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Twelve pig buttock island flaps (10 X 10 cm) were studied for 6 hours after arteriovenous flow reversal at the level of the pedicle. Follow-up was 48 hours. Blood pressure, Po2, pH, and lactate were measured in flap arteries and veins. Oxygen consumption was calculated. Data indicated true flow reversal. Blood pressure and Po2 in flap veins increased to systemic arterial levels. Outflow was provided by the arterial system, demonstrating venous pressure and Po2 values. Lactate increased significantly (1.8 +/- 0.5 to 4.0 +/- 2.3 mmol/liter), while pH dropped from 7.43 +/- 0.03 to 7.11 +/- 0.02. Oxygen consumption remained below baseline. In four flaps thrombosis occurred within 6 hours; no flap survived 48 hours. The results of this study do not encourage clinical application of the concept of flow reversal.
G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
July 1986,
Annals of plastic surgery,
G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
October 1997,
Plastic and reconstructive surgery,
G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
December 1984,
British journal of experimental pathology,
G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
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G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
July 1959,
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G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
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G K Germann, and
E Eriksson, and
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N Mody
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G K Germann, and
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N Mody
May 1997,
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G K Germann, and
E Eriksson, and
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N Mody
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Plastic and reconstructive surgery,
G K Germann, and
E Eriksson, and
R C Russell, and
N Mody
September 2012,
Plastic and reconstructive surgery,
