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Microvascular transfer of the rectus abdominis muscle and myocutaneous flap in rats

✍ Scribed by Feng Zhang; William C. Lineaweaver; Samuel Kao; Heidi Tonken; Kevin Degnan; Leonard Newlin; Harry J. Buncke

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
377 KB
Volume
14
Category
Article
ISSN
0738-1085

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✦ Synopsis

Abstract

A rat microvascular free rectus myocutaneous flap model with a superior epigastric vessel pedicle is presented. The rectus muscle has a predictable β€žflow‐through”︁ axial vascular system consisting of superior and inferior epigastric vessels anastomosing under the fascial sheath, and six to seven musculocutaneous perforating branches to the skin. The superior epigastric artery and vein, averaging 0.45 mm and 0.5 mm in diameter, can be used as the vascular pedicle in muscle or myocutaneous flap transplantation. Eight muscle and 15 myocutaneous flaps were transplanted to the groin. The myocutaneous flaps averaged 3.5 cm by 1.2 cm in size; the pedicle length averaged 11 mm. The 5 day survival was 100% for muscle flaps and 67% for myocutaneous flaps. The rectus myocutaneous flap is believed to be the first true myocutaneous model in the rat. Β© 1993 Wiley‐Liss Inc.

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