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Umemoto, K; Ohmichi, M; Ohmichi, Y; Yakura, T; Hammer, N; Mizuno, D; Naito, M; Nakano, T.
Vascular branches from cutaneous nerve of the forearm and hand: Application to better understanding raynaud's disease.
Clin Anat. 2018; 31(5):734-741 Doi: 10.1002/ca.22993
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Co-authors Med Uni Graz: Hammer Niels
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Abstract:: Cutaneous nerves have branches called vascular branches (VBs) that reach arteries. VBs are thought to be involved in arterial constriction, and this is the rationale for periarterial sympathectomy as a treatment option for Raynaud's disease. However, the branching patterns and distribution areas of the VBs remain largely unclear. The aim of the present study was to investigate the anatomical structures of the VBs of the cutaneous nerves. Forty hands and forearms were examined to assess the branching patterns and distribution areas of the VBs of the superficial branch of the radial nerve (SBRN), the lateral antebrachial cutaneous nerve (LACN), the medial antebrachial cutaneous nerve (MACN), and the palmar cutaneous branch of the ulnar nerve (PCUN). VBs reaching the radial and ulnar arteries were observed in all specimens. The branching patterns were classified into six types. The mean distance between the radial styloid process and the point where the VBs reached the radial artery was 34.3 ± 4.8 mm in the SBRN and 38.5 ± 15.8 mm in the LACN. The mean distance between the ulnar styloid process and the point where the VBs reached the ulnar artery was 60.3 ± 25.9 mm in the MACN and 43.8 ± 26.0 mm in the PCUN. This study showed that the VBs of the cutaneous nerves have diverse branching patterns. The VBs of the SBRN had a more limited distribution areas than those of the other nerves. Clin. Anat. 31:734-741, 2018. © 2017 Wiley Periodicals, Inc. © 2017 Wiley Periodicals, Inc.
Find related publications in this database (using NLM MeSH Indexing): Aged -; Aged, 80 and over -; Female -; Forearm - blood supply; Forearm - innervation; Hand - blood supply; Hand - innervation; Humans -; Male -; Radial Artery - innervation; Raynaud Disease - surgery; Ulnar Artery - innervation
Find related publications in this database (Keywords): radial artery; ulnar artery; innervation; Raynaud's disease; sympathectomy