ISSN: 1859 - 2872
Anatomical investigation of deltoid flap in Vietnamese adult people
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Abstract
Objective: Anatomical investigation of flap blood supply as well as nerve distribution for free flap transfer. Subject and method: 54 deltoid regions of 27 Vietnamese adult peoples including 11 cadavers preserved in a temperature of -300C (fresh cadavers) and 16 cadavers preserved in formalin soaking (dried cadavers) were dissected to determine the anatomical characteristics of vessel and sensory nerve distribution. Result: Main vessel axial pedicle of the deltoid flap is presented in 54/54 (100%) specimens. Pedicle length is of an average of 8.45 ± 0.48mm, including 1 artery (the posterior circumflex humeral artery with an average diameter: 3.17 ± 0.71mm and it’s cutaneous artery: 1.38 ± 0.13mm), 1 or 2 collateral veins with average diameter of large branch of about 3.51 ± 0.17mm and small branch of about 2.62 ± 0.12mm. The running upward sensory nerve is of an average length of 7.02 ± 0.46cm and the running downward sensory nerve is of an average length of 6.06 ± 0.61cm. The flap surface area infused by methylene blue is in length of 20.41 ± 1.50cm and in width of 12.36 ± 1.62cm. Conclusion: Deltoid flap is a large and sensory free pedicle flap. The distribution of vessel and nerve allows to harvest an large sensory free flap. The flap vessel pedicle is reliable in length and diameter, facilitating free flap transfer using microsurgical techniques.
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References
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