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The Influence of the Calcium Channel Blocker Nimodipine on Flap Survival

G Bj rn Stark, Andrea Dorer, Klaus Jaeger, Krishna R. Narayanan

Open publisher page 10 citations

Abstract

The calcium channel blocker nimodipine has been used successfully in neurological patients for the treatment of vasospasm after subarachnoid hemorrhage and stroke. In this study of experimental random pattern skin flaps in rats, an increase of nearly 50% in the survival rate to 94.33% (+/- 7.3% standard deviation) under nimodipine treatment versus 66.00% (+/- 16.5% standard deviation) in the controls could be demonstrated (p less than 0.001). Vital dye injections in a separate experiment indicated that the increased flap survival is mainly due to improved microcirculation. The distance traveled by the dye was 8.01 +/- 1.21 cm in the experimental versus 6.61 +/- 1.25 cm in the control group (p less than 0.05).

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What this paper is about

The calcium channel blocker nimodipine has been used successfully in neurological patients for the treatment of vasospasm after subarachnoid hemorrhage and stroke. In this study of experimental random pattern skin flaps in rats, an increase of nearly 50% in the survival rate to 94.33% (+/- 7.3% standard deviation) under nimodipine treatment versus 66.00% (+/- 16.5% standard deviation) in the controls could be demonstrated (p less than 0.001). Vital dye injections in a separate experiment indicated that the increased flap survival is mainly due to improved microcirculation. The distance traveled by the dye was 8.01 +/- 1.21 cm in the experimental versus 6.61 +/- 1.25 cm in the control group (p less than 0.05).

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Available abstract

The calcium channel blocker nimodipine has been used successfully in neurological patients for the treatment of vasospasm after subarachnoid hemorrhage and stroke. In this study of experimental random pattern skin flaps in rats, an increase of nearly 50% in the survival rate to 94.33% (+/- 7.3% standard deviation) under nimodipine treatment versus 66.00% (+/- 16.5% standard deviation) in the controls could be demonstrated (p less than 0.001). Vital dye injections in a separate experiment indicated that the increased flap survival is mainly due to improved microcirculation. The distance traveled by the dye was 8.01 +/- 1.21 cm in the experimental versus 6.61 +/- 1.25 cm in the control group (p less than 0.05).

Key concepts: Nimodipine, Medicine, Calcium channel blocker, Vasospasm, Microcirculation, Anesthesia, Stroke (engine), Calcium channel

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