Variant Course and Anamolous Branching Pattern of Major Ateries In Upper Limb in Telangana Region.
Journal Title: IJAR-Indian Journal of Applied Research - Year 2016, Vol 6, Issue 2
Abstract
BACKGROUND : Knowledge of course and branching pattern of major arteries is very important for the vascular surgeons & plastic surgeons. METHOD: This study was carried over a span of three years on 30 human cadavers in the department of anatomy, osmania medical college, Hyderabad, telagana state , India. Dissection instruments were used for dissecting the entire upper limb in all the cadavers according to the steps of the cunnigham’s manual and variations are noted RESULT : In our study we observed variant course and anamolous branching pattern of major arteries in upper limb particularly in the region of axilla , arm and forearm. In our routine dissection of cadavers in anatomy department we observe these variations particularly in axillary , brachial and other major arteries in arm and forearm. In our present study this type of gross variation we found in one body out of 30 cadavers.these variations in the both limbs also different . In the left upperlimb of this cadaver 3rd part of axillary artery is devided into large superficial (60%)(we named it as superficial brachial artery) and small calibre deep branch(40%)(we named it as deep brachial artery )one centimeter below the pectoralis minor at the lower border of lattissmus dorsi muscle and infront of the teres major muscle. Deep Brachial artery is possibly a high-origin artery of the common interosseous. The course of this artery resembles the course of the brachial axial artery of the embryo. It supplies the anterior compartment of brachial muscles and continues as the common interosseous artery. The large caliber superficial artery (Superficial Brachial artery ) lies antero medial to the median nerve and also superficial to the nerve through out it’s course in the arm and reaches base of the cubital fossa where it lies deep to the bicipital aponeurosis medial to the tendon of biceps femoris. Superficial Brachial artery is possibly a high-origin and persisting embryological radial artery. It gives no collaterals in the arm. At the base of the cubital fossa it divides into two equal-sized radial and ulnar arteries at the condylar line of humerus instead of at the neck of radius in the cubital fossa. CONCLUSION: Although the abnormal branching pattern is quiet infrequent ,according to this study, here we get only in one limb out of 60 upperlimbs , the frequency rate is only 1.6% even though frequency is in narrow range it is essential to know such rare variations.
Authors and Affiliations
Dr. JANAKI V, DR SUMALATHA. T, DR. VEENATAI. JUJARE, DR. APARNA VEDAPRIYA. K
Keywords
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