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Pubmed for Handhelds

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  • Title: The role of the monopolar electromyographic pin in myofascial pain therapy: automated twitch-obtaining intramuscular stimulation (ATOIMS) and electrical twitch-obtaining intramuscular stimulation (ETOIMS).
    Author: Chu J.
    Journal: Electromyogr Clin Neurophysiol; 1999 Dec; 39(8):503-11. PubMed ID: 10627937.
    Abstract:
    OBJECTIVE: To show that the monopolar pin electrode has a role in the control of radiculopathy related myofascial pain and fibromyalgia using the automated twitch-obtaining intramuscular stimulation (ATOIMS) and electrical twitch-obtaining intramuscular stimulation (ETOIMS) methods. METHOD: A hand-held ATOIMS device facilitated the insertion, oscillation and retraction of the monopolar pin into motor end-plate regions. The device oscillated the pin at 2 Hz for three times in two seconds. ETOIMS method employed micro-stimulation at 2 Hz for two seconds/point. Obtaining muscle twitches were the goals of both treatments. This is a retrospective study of two patients with fibromyalgia who received these treatments. Patient #1 with chronic low back > neck pain, underwent treatments which included the L2-S1 myotomes and patient #2 with chronic neck pain > low back pain, received treatments to the bilateral C2-T1 myotomes. Both received treatments also to bilateral C3-S1 paraspinal muscles. Treatments to both began with ETOIMS for two months and five months respectively. Following this period, they both received ATOIMS and ETOIMS to the same muscles in the same treatment session. The combined procedure sessions continued for the same treatment duration as for ETOIMS only sessions. Both patients recorded daily visual analog pain levels. RESULTS: Significant reductions in pain levels occurred with the increase in number of ETOIMS treatment sessions. More significant pain level reductions occurred with combined ATOIMS & ETOIMS treatments than with ETOIMS only treatments. The monopolar pin served both procedures well and there were no complications. CONCLUSIONS: The monopolar pin has a very promising role in the management of radiculopathy related myofascial pain using the ATOIMS and ETOIMS methods.
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