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IJAR.2019.136

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Type of Article:  Original Research

Volume 7; Issue 2.2 (May 2019)

Page No.: 6489-6493

DOI: https://dx.doi.org/10.16965/ijar.2019.136

VARIANT ANATOMY OF INTERNAL THORACIC ARTERY- CLINICAL IMPLICATIONS

Delmotra P *1, Goel A 2, Singla RK 3.

*1 Professor, Department of Anatomy, Adesh Medical college & Hospital, Mohri, Shahabad(M), Kurukshetra, India.

2 Associate Professor, Department of Anatomy, Adesh Medical college & Hospital, Mohri, Shahabad (M), Kurukshetra, India.

3 Professor, Department of Anatomy, Govt. Medical college, Patiala, India.

Corresponding Author: Dr. Delmotra P, Professor, Deptt. of Anatomy, Adesh Medical college & Hospital, Mohri, Shahabad (M), Kurukshetra, India. Contact no. 9779115489 E-Mail: drpoonamdel@yahoo.co.in

ABSTRACT:

Background: Now a days, Internal thoracic artery (ItA) is being widely used in coronary artery bypass grafting (CABG) and in breast reconstructive surgeries. In addition, the area around its origin is also used for subclavian vein catheterization and introducing a pacemaker.

Aim: Aim of the study was to know the normal and variant anatomy of internal thoracic artery in Indian subjects in order to provide useful data to thoracic surgeons, so as to prevent iatrogenic complications in ItA dissections. Clinical applications related to variations were analysed.

Material and Methods: 30 cadavers were dissected to see the mode of origin of internal thoracic artery, diameter at its origin and relation with phrenic nerve and thyrocervical trunk.

Results: 55 arteries were showing normal origin and tend to arise opposite the root of  thyrocervical trunk. Remaining 5 were arising in common with one or two branches of thyrocervical trunk. Average diameter at its origin was 2.8cm on left and 2.6cm on right. Relation with phrenic nerve was variable.

Conclusion: During CABG surgery, Breast reconstructive surgery and various interventional procedures, it is important to know the variant pattern of ItA so as to avoid iatrogenic complications

Key Words: Internal thoracic artery, Thyrocervical trunk, Coronory artery bypass graft, Subclavian artery.

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Cite this article: Delmotra P, Goel A, Singla RK. VARIANT ANATOMY OF INTERNAL THORACIC ARTERY- CLINICAL IMPLICATIONS. Int J Anat Res 2019;7(2.2):6489-6493. DOI: 10.16965/ijar.2019.136