• Int Orthop · Apr 2012

    The relevance of the anatomical basis of fracture for the subsequent treatment of the anterior humeral circumflex artery and the axillary nerve.

    • Yun-Feng Chen, Nai-Feng Zhu, Chang-Qing Zhang, Lei Wang, Hai-Feng Wei, and Ye Lu.
    • Department of Orthopaedics, Shanghai Sixth People's Hospital, Jiaotong University, Shanghai, China. drchenyunfeng@yahoo.cn
    • Int Orthop. 2012 Apr 1; 36 (4): 783-7.

    PurposeThe purpose of this study was to determine the location of the anterior humeral circumflex artery and axillary nerve based on bony landmarks, and to provide anatomical information that enables a safe approach when treating a proximal humeral fractures.MethodsThirty cadavers were included. The distances of both the anterior humeral circumflex artery and the axillary nerve from body landmarks were measured using Vernier calipers.ResultsThe mean distance between the inferior border of the medial acromion and the superior border of the anterior humeral circumflex artery was 5.1 ± 0.2 cm (range, 4.6-5.5 cm); the mean distance between the prominence of the lesser tuberosity and the superior border of the anterior humeral circumflex artery was 2.5 ± 0.2 cm (range, 2.0-3.0 cm); the mean distance between the anterior-inferior border of the acromion and the superior border of the axillary nerve was 6.3 ± 0.5 cm (range, 5.2-7.0 cm).ConclusionsThe artery is located approximately 5.1 cm below the inferior border of the medial acromion and 2.5 cm below the prominence of the lesser tuberosity, and the nerve was located approximately 6.3 cm below the anterio-inferior border of the acromion and 3.5 cm below the prominence of the greater tuberosity. The reduction manoeuvres should be conducted with extreme care in this region.

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