Abstract:
:Vibration syndrome, a clinical condition arising from chronic use of vibrating tools, is associated with a spectrum of neurovascular symptoms. To date, only its vascular pathology has been extensively studied; we sought to determine what direct neurologic injury, if any, is caused by vibration. Hindlimbs of anesthetized rats were affixed to a vibrating platform 4 h a day for 7 days. Study animals were vibrated with set parameters for frequency, acceleration, velocity, and amplitude; control animals were not vibrated. On day 7, nerves were studied by light and electron microscopy. While light microscopy showed minimal histologic differences between vibrated (n=12) and control (n=12) nerves, electron microscopic changes were dramatic. Splitting of the myelin sheath and axonal damage (e.g., myelin balls and "finger ring") were consistently seen in both myelinated and nonmyelinated axons. Despite relatively short vibration, definite pathology was demonstrated, suggesting that vibration syndrome has a direct neurologic component.
journal_name
Microsurgeryjournal_title
Microsurgeryauthors
Matloub HS,Yan JG,Kolachalam RB,Zhang LL,Sanger JR,Riley DAdoi
10.1002/micr.20081subject
Has Abstractpub_date
2005-01-01 00:00:00pages
71-5issue
1eissn
0738-1085issn
1098-2752journal_volume
25pub_type
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