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- W1969880426 abstract "Three experiments were conducted to study the effect of ketanserin and LY53857, S2-serotonergic receptor antagonists, on skin blood flow and viability in acute random pattern skin flaps (4 x 10 cm) in the pig. In experiment 1, the dose-response effect of intravenous ketanserin (0, 0.15, 0.25, 0.35, and 0.50 mg/kg) on skin flap capillary blood flow was studied 6 hr after skin flap surgery, using the radioactive microsphere (15 microns) technique and under pentobarbital anesthesia. Significant (P less than 0.05) increase in skin flap blood flow was seen at the dosages of 0.25 and 0.35 mg/kg compared with the saline-treated control. In experiment 2, the effect of five-day intramuscular ketanserin and LY53857 treatment (0.30 mg/kg/day; in divided doses) on skin flap viability was studied. The drug treatments were started two days preoperatively. It was observed that the length of skin flap viability in ketanserin (6.6 +/- 0.2 cm; n = 40 flaps) and LY53857 (6.8 +/- 0.3 cm; n = 40 flaps) treated flaps were significantly (P less than 0.05) higher than the saline-treated control (5.5 +/- 0.1 cm; n = 48 flaps). Ketanserin treatment started 30 min after flap surgery also significantly (P less than 0.05) increased the length of skin flap viability (6.1 +/- 0.1 cm) compared with the control. There was no significant difference in skin viability between ketanserin and LY53857 treated skin flaps. The preceding study on the effect of ketanserin treatment on random pattern skin flap viability was repeated in experiment 3. Again, it was observed that intramuscular ketanserin treatment significantly (P less than 0.05) increased the skin flap viability. It was concluded that ketanserin and LY53857 treatment resulted in significant augmentation of porcine acute random pattern skin flap viability. This is the first experimental evidence to indicate that S2-serotonergic receptors participate in the pathogenesis of skin flap ischemia." @default.
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- W1969880426 date "1992-02-01" @default.
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- W1969880426 title "Augmentation of acute random pattern skin flap viability in the pig" @default.
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- W1969880426 doi "https://doi.org/10.1016/0022-4804(92)90301-f" @default.
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