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  • Title: Lateral thoracic artery perforator-based flap: a new experimental model.
    Author: Bali U, Gungor M, Yoleri L.
    Journal: J Surg Res; 2016 Feb; 200(2):738-42. PubMed ID: 26490226.
    Abstract:
    BACKGROUND: The aim of this study was to describe a new experimental perforator-based flap in rats, supplied by lateral thoracic artery perforator. METHODS: Through out the study, two control and two experimental groups were created consisting of six rats in each group. In the first control group (group 1), mid-axillary line and the fourth intercostal space intersection were used as the center of the flap. A 3 × 2 cm flap was designed and elevated above the cutaneous maximus muscle by transecting all connections with the muscle. In the second control group (group 2), the flap was extended caudally, and 3 × 6 cm flap was designed. Then, the flap was elevated in the same manner as it was described for group 1. In the first experimental group (group 3) 3 × 2 cm flap and in the second experimental group (group 4) 3 × 6 cm flap were designed like control groups. The flaps were islanded on a single musculocutan perforator arising from lateral thoracic artery. The surviving skin paddle areas were calculated on postoperative day 7. RESULTS: The flap viability was calculated 0% for control groups (groups 1 and 2), 100% for the first experimental group (group 3), between 33.3% and 37.7% for the second experimental group (group 4; mean ± standard deviation, 34.76% ± 1.92%). CONCLUSIONS: This new lateral thoracic artery perforator-based flap has a constant anatomy and reliable survival pattern. Also, easy harvesting and the possibility of designing two flaps per animal make this new flap an appealing model for pathophysiological or pharmacologic researches.
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