Clinical anatomy of the cephalic vein for safe performance of venipuncture

Background The aims of this study were to elucidate why the cephalic vein provides a reliable cannulation site from a morphological viewpoint and identify an effective landmark for avoiding injury to the superficial branch of the radial nerve (SBRN), allowing for safe venipuncture of the cephalic ve...

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Veröffentlicht in:JA clinical reports 2017-09, Vol.3 (1), p.50-50, Article 50
Hauptverfasser: Matsuo, Mitsuhiro, Honma, Satoru, Sonomura, Takahiro, Yamazaki, Mitsuaki
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Sprache:eng
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Zusammenfassung:Background The aims of this study were to elucidate why the cephalic vein provides a reliable cannulation site from a morphological viewpoint and identify an effective landmark for avoiding injury to the superficial branch of the radial nerve (SBRN), allowing for safe venipuncture of the cephalic vein. Findings We examined 32 forearms and wrists from 18 cadavers. The cephalic vein was a constant structure containing a branch communicating with a collateral vein of the deep palmar arch via the first dorsal interossei muscle. The metacarpal vein from the medial two digits flowed into the cephalic vein. The venous confluence formed 5.8 ± 1.2 cm proximal to the radial styloid process. The SBRN passed 0.4 ± 0.3 cm volar to the venous confluence. The distance between the venous confluence and subcutaneous emergence of the SBRN was 2.6 ± 1.0 cm. Conclusions These observations suggest that the cephalic vein is a constant structure that serves as a drainage vein of the hand and provides a reliable cannulation site in the forearm. The venous confluence may serve as a novel landmark to predict the running course of the SBRN.
ISSN:2363-9024
2363-9024
DOI:10.1186/s40981-017-0121-6