(J Hand Surg [Br]. 2007 Feb;32(1):31-7)
Abtract: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=17134797&query_hl=2&itool=pubmed_docsum
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This blog is an international forum to review, discuss, and comment upon peer-reviewed peripheral nerve surgery literature. All topics will be considered, including nerve entrapments, nerve tumors, and nerve injuries throughout the body (including birth and traumatic brachial plexus injuries). Please add comments to any new or old articles. To suggest an article, or request the ability to post your own articles, email: peripheralnervesurgery@gmail.com
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2 comments:
This non-blinded, randomized study investigated the effect a “sensor glove” had on sensory outcomes at 12-months in patients with surgically repaired nerve injuries in the forearm. It included 30 patients from 6 centers in Sweden over an 18-year period. Four patients were lost to follow-up. All patients started conventional visual-tactile sensory re-education at 3 months, however, the experimental group also underwent auditory-tactile re-education using the sensor glove during the first three months (i.e., before sensation returned). The sensor glove had numerous small microphones that transmitted sounds from different textures to headphones. The premise was that auditory stimuli localized to the hand wound perhaps maintain the somatosensory cortical map, and thereby optimize subsequent re-education. The experimental group demonstrated statistically improved tactile gnosis using the shape-texture identification test (STI), but not with static 2-point discrimination.
Concerns with this study: Only the control group included patients with simultaneous median and ulnar nerve injuries (33%) (Does dual injury further promote somatosensory disorganization after injury, possibly leading to a worse outcome?). The ranges of STI test outcomes in both groups overlapped; this in conjunction with the small number of patients in each group brings up the possibility of statistical error (in either direction). Also, I was curious if the follow-up STI testing was performed with earplugs, so as to prevent auditory identification in the “trained” experimental group. Nevertheless, the results appear real (having a strong p value): meaning the author’s novel premise and treatment approach may improve outcomes. Both larger clinical studies, as well as an fMRI study demonstrating that the sensor glove in fact preserves (at least to some degree) the somatosensory cortical map after nerve repair, are indicated.
thank you
do we have pics for this device to practically demonstrate how it acts
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