腹直筋皮弁の血管形態に関する解剖学的研究　特に下腹壁動脈について

DOI 参考文献33件 オープンアクセス

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タイトル別名
  • Vascular anatomy of the rectus abdominis myocutaneous flap. Emphasis on the deep inferior epigastric artery.
  • Emphasis on the deep inferior epigastric artery
  • 特に下腹壁動脈について

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説明

To establish a more accurate and safer method for the design of free rectus abdominis myocutaneous flaps, we analyzed the vascular anatomy from the origin of the deep inferior epigastric artery to the skin in 36 fixed Japanese adult cadavers and 6 unfixed fresh cadavers. As for the vascular arrangement from the origin of the deep inferior epigastric artery to the superior epigastric artery, a single-type pattern showing ascension of one vessel was most frequently observed (66%), followed by a multiple-type pattern showing ascension of two vessels (33%). The mean vascular intersegmental distance at the site corresponding to the vascular pedicle of the deep inferior epigastric artery was 118.8±36.4mm. The mean internal diameter of the deep inferior epigastric artery in the inquinal ligament area was 1.87±0.4mm. The deep inferior epigastric artery entered the posterior surface of the rectus abdominis on its medial side or mid-area lateral to the navel in 92% of the cadavers. Branches passed the navel in 100%of the cadavers. The subdermal plexus was distributed from the navel to two-thirds of the height of the xiphoid process in the superior direction, to the anterior axillary line in the lateral direction, and to the area corresponding to the inguinal ligament in the inferior direction. These vessels were arranged in a cephalocaudal direction in the median anterior abdominal wall but ran in the direction of the surrounding arteries, i. e., the lateral branches of the intercostal artery, and superficial epigastric artery, as they approached the costal margin or anterior axillary line and formed a relatively dense vascular network.

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