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• W2892945766 abstract "The inferior epigastric artery, the most important and largest bloodvessel of the anterior abdominal wall, was studied in detail by conventionaldissection, predissectional dye injection, angiographic and histological studies.The observations of the study have been correlated with the findings ofalready existing studies. The following conclusions are derived from the study.The origin of the inferior epigastric artery is from the anteromedialsurface of the external iliac artery bilaterally at or just above the inguinalligament.The inferior epigastric artery ascends between the rectus abdominis muscle and its sheath for a considerable distance before entering therectus muscle in its middle third in 72%, lower third 20% and upper third 8%.Commonly the inferior epigastric artery has a single stem (86%), but double stem before entering the rectus muscle substance occurs in 14%.Abnormal obturator artery is found in 16%.In 87.5%, the abnormal obturator artery is related to the lateral border of the femoral ring, and in 12.5% it descends along the medial border ofthe femoral ring.The pubic branch of the inferior epigastric artery crosses the superior pubic ramus to anastomose with the pubic ramus of the obturatorartery(corona mortis) where it is prone to injury in operations around the retropubic area like laparoscopic hernia repair and laparoscopicprostatectomy.Gross anastomoses between the superior and inferior epigastric arteries is observed in 28%, and it occurs above the level of the umbilicus,whereas no anastomoses is observed in 72%. In cases with anastomoses, Type I pattern (Moon & Taylor) is 16%, Type II 10% and Type III 2%.The average length of the inferior epigastric artery from the origin to the lateral rectus margin is 5.8 cm and from the origin to the entry into therectus muscle substance is 10.4 cm.The diameter of the inferior epigastric artery observed by 64 slice CT angiographic study is 2.8 mm at the origin, and 2 mm at its entrance intothe rectus abdominis.The distance of the inferior epigastric artery from the midline at various levels have been noted. Regardless of the abdominal level, thedangerous zone is found to be between 3 cm and 8 cm from the midline.Staying away from this area either medially or laterally will determine the safety zone of entry into the abdominal wall without risk of injury tothe epigastric vessels.The combined thickness of the intima and media is lower in inferior epigastric artery than the internal thoracic artery.The media of the inferior epigastric artery consists of thickly packed smooth muscle fibres whereas in the internal thoracic artery, the mediacontains mainly elastic fibres.A comprehensive study of the origin, course, branches, anastomosis, length, diameter and distance of the inferior epigastric artery from importantlandmarks of the abdominal wall under a common umbrella will prove to be useful to the plastic surgeons who consider the lower abdomen skin and fat tobe an ideal material for breast reconstruction, cardiothoracic surgeons evaluating the inferior epigastric artery as an alternative conduit for coronaryartery bypass grafting, the laparoscopic surgeons and the general surgeons." @default.
• W2892945766 created "2018-10-05" @default.
• W2892945766 creator A5077694737 @default.
• W2892945766 date "2009-03-01" @default.
• W2892945766 modified "2023-09-27" @default.
• W2892945766 title "The Study of the Origin, Course, Distribution and Branching Pattern of the Inferior Epigastric Artery." @default.
• W2892945766 hasPublicationYear "2009" @default.
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