Document Detail

The second dorsal metacarpal artery chain-link flap: an anatomical study and a case report.
MedLine Citation:
PMID:  25218515     Owner:  NLM     Status:  Publisher    
PURPOSE: The purpose of this study was to discuss the distribution characteristics and the anatomical angioarchitecture of cutaneous branches arising from the second dorsal metacarpal artery for the repair of small tissue defects in the hand or fingers using the second dorsal metacarpal artery chain-link flap.
METHODS: Fifteen fresh human cadaveric hands were studied using three methods: latex perfusion for microanatomical analysis, denaturation of material and vinyl chloride mixed packing for cast specimens, and latex perfusion creating pellucid specimens. Cutaneous perforators with a diameter of 0.2 mm or greater were evaluated using statistical analysis. Cluster analysis was conducted to determine the overall distribution of the perforators.
RESULTS: Two main clusters of perforators distributed at a relative distance of 40.8 and 68.6 % from the second web space edge to the midpoint of the second metacarpal bone as a unit. The Chi-square analysis revealed no significant differences in either the radial or ulnar side distribution of the cutaneous perforators from the second dorsal metacarpal artery (p = 0.779). Chain-links formed among adjacent perforators were parallel to the axis of the second metacarpal bone on the dorsum of the hand. Based on the anatomic characteristic, we designed the second dorsal metacarpal artery chain-link flap to recover the defect in the index finger. As a result, the patient was satisfied with the appearance and function.
CONCLUSION: This study indicates that there are two main clusters of arterioles in the distal second dorsal metacarpal artery that can be helpful for the second dorsal metacarpal artery pedicle cutaneous chain-link perforator flaps in the repair of defects in the fingers.
Peng Liu; Xiangzheng Qin; Huifeng Zhang; Chao Sun; Youmao Zheng; Yafei Xu; Zihai Ding
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-9-14
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  -     ISSN:  1279-8517     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-9-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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