Effect of short-term use of oral smokeless tobacco on random- pattern skin flap survival in rats.

Scand J Plast Reconstr Surg Hand Surg

Department of Plastic Surgery, Ondokuz Mayis University, Faculty of Medicine, Turkey.

Published: January 2006

We investigated the effects of smokeless tobacco on the survival of random-pattern skin flaps in rats. Twenty rats were divided into two groups (n=10 each). In the experimental group 200 mg smokeless tobacco (Maras powder) (1 mg nicotine) was inserted intraorally once a day for seven days under general anaesthesia. It was not given to the control group, but the rats were similarly anaesthetised with ketamine. On day 8, plasma cotinine concentrations were measured. The random-pattern dorsal skin flaps measuring 3 x 10 cm were then raised and resutured. Percentage survival area was assessed after a further eight days. The mean (SD) survival was 39 (7)% in the experimental, and 65 (8.9)% in the control, groups (p=0.0001). The mean (SD) plasma cotinine concentrations were 124.4 (73) ng/ml and <10 ng/ml, respectively. Smokeless tobacco use increased the incidence of flap necrosis in random-pattern skin flaps in rats.

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http://dx.doi.org/10.1080/0284431051003565DOI Listing

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