Flail limb

A flail limb (also flail arm or flail leg) is a medical term which refers to an extremity in which the primary nerve has been severed or ceased to function, resulting in complete lack of mobility and sensation. Although blood typically continues to flow through the limb, it is completely useless and potential for surgical repair is limited. The muscles soon wither away from atrophy, and the arm swings loosely at the side like a "dead weight."

Flail limb can occur in cases of traumatic injury to the brachial plexus or in people with motor neuron diseases such as amyotrophic lateral sclerosis.[1][2]

Amputation of the affected limb and replacement with a prosthesis in one option for treament. Amputation does not reduce pain experienced.[1][3]

References
  1. Yeoman, P. M.; Seddon, H. J. (August 1961). "Brachial Plexus Injuries: Treatment of the Flail Arm". The Journal of Bone and Joint Surgery. British Volume. 43-B (3): 493–500. doi:10.1302/0301-620X.43B3.493.
  2. Althausen, Peter L.; Lee, Mark A.; Finkemeier, Christopher G. (November 2003). "Scapulothoracic Dissociation: Diagnosis and Treatment". Clinical Orthopaedics and Related Research. 416: 237–244. doi:10.1097/01.blo.0000093022.56370.fe. PMID 14646766. S2CID 24993921.
  3. Wilkinson, M. C. P.; Birch, R.; Bonney, G. (1 October 1993). "Brachial plexus injury: when to amputate?". Injury. 24 (9): 603–605. doi:10.1016/0020-1383(93)90123-N. PMID 8288380.

See also


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