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Year :2019
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Month :
January
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Volume :
8
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Issue :
1
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Page :
AO27 - AO30
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Clinical Insight in Morphometric Analysis of Commencement of Inferior Epigastric Artery in Relation to Inguinal Ligament
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Correspondence Address :
Ashalata Deepak Patil, Arun Shankar Karmalkar,
Dr. Arun Shankar Karmalkar,
Department of Anatomy, D.Y.Patil Medical College, Kolhapur-416006, Maharashtra, India.
E-mail: karmalkar.arun@gmail.com
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Introduction: The inferior epigastric artery usually arises from the external iliac artery just above the inguinal ligament. It may arise from different origin above or below the inguinal ligament.
Aim: The aim was to study origin of inferior epigastric artery in relation to inguinal ligament in males and females on both the sides.
Materials and Methods: The present prospective cross-sectional study was carried on 50 cadavers (30 male and 20 female). Three types of origin were observed- above, at the level or below the inguinal ligament. Distance of origin was measured above or below inguinal ligament with Vernier caliper. The observed data were analysed by calculating percentages of the normal and variant origins of inferior epigastric artery. The Z test of proportion was applied to compare the mean distance of origin of right and left inferior epigastric artery from the inguinal ligament and unpaired t-test to compare side wise variations and gender wise variations.
Results: In 100 specimens (50 cadavers) Inferior Epigastric Artery (IEA) arose mostly from External Iliac Artery (EIA) in 94 (94%) specimens, in 5 (5%) specimens from femoral artery and in 1 (1%) from Internal Iliac Artery (IIA). In side wise comparison, 21 (42%) of right IEA and 26(52%) of left IEA originated above inguinal ligament with a mean distance of 17 mm and 20 mm respectively. 28 (56%) of right IEA and 20 (40%) of left IEA arose at the level of ligament. 1 (2%) of right IEA and 4 (8%) of left IEA originated below the inguinal ligament with a mean distance of 9 mm and 8.75 mm respectively. The above data is statistically insignificant (p >0.05). In gender wise study, in males 29 (48.33%) vessels originated above inguinal ligament, 29 (48.33%) at the ligament and 2 (3.33%) below the inguinal ligament. In females 18 (45%) vessels originated above inguinal ligament, 19 (47.5%) at the ligament and 3 (7.5%) below the ligament. This is also statistically insignificant (p >0.05).
Conclusion: Clinicians should be aware of variations in origin with reference to inguinal ligament, especially origin below the inguinal ligament prior to surgery such as hernia repair, use of IEA perforator flaps in breast/head neck reconstructive surgeries and even in interventional radiology
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