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2015 ; 22
(3
): 41-7
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The Clinical Significance of Ulnar Artery Morphology in Artificial
Arterial-Venous Fistula for Hemodialysis
#MMPMID26715895
Al Talalwah WB
; Getachew DR
Malays J Med Sci
2015[May]; 22
(3
): 41-7
PMID26715895
show ga
BACKGROUND: The ulnar artery is a terminal branch of the brachial artery. The aim
of this study is to provide comprehensive data concerning the morphology of the
ulnar artery, with clinical implications for surgeons. METHODS: The current study
includes the dissection of 68 upper limb specimens. It investigates the
characteristics of the ulnar artery such as the internal diameter, external
diameter, wall thickness, and distance of the ulnar artery origin. RESULTS: In
this study, the ulnar artery arose distal to the superior margin of the head of
the radius in 82.65% of cases. The angle degree of the ulnar artery with respect
to the brachial artery ranges from to 8° to 30°. The internal and external
diameters of the ulnar artery were found to decrease gradually from proximal to
distal in both genders. The external and internal diameters of the ulnar artery
are greater in males than in females. In all cases, the external and internal
diameters and the thickness of the ulnar artery at three levels were found to be
greater in the right ulnar artery than the left. CONCLUSION: The right ulnar
artery may be the appropriate choice for artificial arterial-venous fistula for
haemodialysis. Due to its wide diameter, the proximal part of the radial artery
is a suitable site for the artificial arterial-venous fistula immediately below
the origin prior to its profound course. Therefore, it is an easy access for
artificial arterial-venous fistula for surgeons. The radiologists must alert the
surgeons for surgical modification in the case of high brachial bifurcation.