Myofascial Pain Disorder

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Anthony H Wheeler - One of the best experts on this subject based on the ideXlab platform.

  • Myofascial Pain Disorders theory to therapy
    Drugs, 2004
    Co-Authors: Anthony H Wheeler
    Abstract:

    Voluntary muscle is the largest human organ system. The musculotendinous contractual unit sustains posture against gravity and actuates movement against inertia. Muscular injury can occur when soft tissues are exposed to single or recurrent episodes of biomechanical overloading. Muscular Pain is often attributed to a Myofascial Pain Disorder, a condition originally described by Drs Janet Travell and David Simons. Among patients seeking treatment from a variety of medical specialists, Myofascial Pain has been reported to vary from 30% to 93% depending on the subspecialty practice and setting. Forty-four million Americans are estimated to have Myofascial Pain; however, controversy exists between medical specialists regarding the diagnostic criteria for Myofascial Pain Disorders and their existence as a pathological entity.

  • Myofascial Pain Disorders
    Drugs, 2004
    Co-Authors: Anthony H Wheeler
    Abstract:

    Voluntary muscle is the largest human organ system. The musculotendinous contractual unit sustains posture against gravity and actuates movement against inertia. Muscular injury can occur when soft tissues are exposed to single or recurrent episodes of biomechanical overloading. Muscular Pain is often attributed to a Myofascial Pain Disorder, a condition originally described by Drs Janet Travell and David Simons. Among patients seeking treatment from a variety of medical specialists, Myofascial Pain has been reported to vary from 30% to 93% depending on the subspecialty practice and setting. Forty-four million Americans are estimated to have Myofascial Pain; however, controversy exists between medical specialists regarding the diagnostic criteria for Myofascial Pain Disorders and their existence as a pathological entity. Muscles with activity or injury-related Pain are usually abnormally shortened with increased tone and tension. In addition, Myofascial Pain Disorders are characterised by the presence of tender, firm nodules called trigger points. Within each trigger point is a hyperirritable spot, the ‘taut-band’, which is composed of hypercontracted extrafusal muscle fibres. Palpation of this spot within the trigger point provokes radiating, aching-type Pain into localised reference zones. Research suggests that Myofascial Pain and dysfunction with characteristic trigger points and taut-bands are a spinal reflex Disorder caused by a reverberating circuit of sustained neural activity in a specific spinal cord segment. The treatment of Myofascial Pain Disorders requires that symptomatic trigger points and muscles are identified as primary or ancillary Pain generators. Mechanical, thermal and chemical treatments, which neurophysiologically or physically denervate the neural loop of the trigger point, can result in reduced Pain and temporary resolution of muscular overcontraction. Most experts believe that appropriate treatment should be directed at the trigger point to restore normal muscle length and proper biomechanical orientation of Myofascial elements, followed by treatment that includes strengthening and stretching of the affected muscle. Chronic Myofascial Pain is usually a product of both physical and psychosocial influences that complicate convalescence.

  • Myofascial Pain Disorders: theory to therapy.
    Drugs, 2004
    Co-Authors: Anthony H Wheeler
    Abstract:

    Voluntary muscle is the largest human organ system. The musculotendinous contractual unit sustains posture against gravity and actuates movement against inertia. Muscular injury can occur when soft tissues are exposed to single or recurrent episodes of biomechanical overloading. Muscular Pain is often attributed to a Myofascial Pain Disorder, a condition originally described by Drs Janet Travell and David Simons. Among patients seeking treatment from a variety of medical specialists, Myofascial Pain has been reported to vary from 30% to 93% depending on the subspecialty practice and setting. Forty-four million Americans are estimated to have Myofascial Pain; however, controversy exists between medical specialists regarding the diagnostic criteria for Myofascial Pain Disorders and their existence as a pathological entity. Muscles with activity or injury-related Pain are usually abnormally shortened with increased tone and tension. In addition, Myofascial Pain Disorders are characterised by the presence of tender, firm nodules called trigger points. Within each trigger point is a hyperirritable spot, the 'taut-band', which is composed of hypercontracted extrafusal muscle fibres. Palpation of this spot within the trigger point provokes radiating, aching-type Pain into localised reference zones. Research suggests that Myofascial Pain and dysfunction with characteristic trigger points and taut-bands are a spinal reflex Disorder caused by a reverberating circuit of sustained neural activity in a specific spinal cord segment. The treatment of Myofascial Pain Disorders requires that symptomatic trigger points and muscles are identified as primary or ancillary Pain generators. Mechanical, thermal and chemical treatments, which neurophysiologically or physically denervate the neural loop of the trigger point, can result in reduced Pain and temporary resolution of muscular overcontraction. Most experts believe that appropriate treatment should be directed at the trigger point to restore normal muscle length and proper biomechanical orientation of Myofascial elements, followed by treatment that includes strengthening and stretching of the affected muscle. Chronic Myofascial Pain is usually a product of both physical and psychosocial influences that complicate convalescence.

Amy M. Lang - One of the best experts on this subject based on the ideXlab platform.

  • Botulinum toxin therapy for Myofascial Pain Disorders.
    Current Pain and Headache Reports, 2002
    Co-Authors: Amy M. Lang
    Abstract:

    Myofascial Pain Disorder can originate from various muscles in the body. Numerous therapeutic approaches have been used to treat Myofascial Pain syndrome with varying success. Botulinum toxin neurolysis may become an important treatment regimen because it sustains relaxation of muscles. There is a growing body of clinical evidence for the efficacy of botulinum toxin in the treatment of Painful Myofascial conditions. The conditions that have been investigated include chronic low back Pain, chronic cervical-associated headache, Myofascial Pain, Myofascial Pain syndrome and Pain from chronic muscle spasm, and refractory Myofascial Pain. One of these studies was an open-label, exploratory pilot study into the cervicothoracic and lumbosacral regions using a novel injection technique.

Alex T.l. Lin - One of the best experts on this subject based on the ideXlab platform.

  • Urodynamic characteristics might be variable in bladder Pain syndrome/interstitial cystitis patients with different non-bladder co-morbid conditions.
    Journal of the Chinese Medical Association : JCMA, 2017
    Co-Authors: Wei-ming Cheng, Yu-hua Fan, Alex T.l. Lin
    Abstract:

    Abstract Background The aim of the study was to identify the impact of non-bladder co-morbid conditions on the urodynamic characteristics of patients with bladder Pain syndrome/interstitial cystitis. Methods Patients with bladder Pain syndrome/interstitial cystitis completed the screening questionnaires for chronic fatigue syndrome, irritable bowel syndrome, fibromyalgia, temporo-mandibular Disorders, multiple chemical sensitivities, tension/migraine headache, and localized Myofascial Pain Disorder. They underwent either conventional pressure-flow urodynamic studies or video-urodynamic studies. Urodynamic variables were compared between patients with and those without co-morbid conditions. Results Of 111 patients (16 males and 95 females) with bladder Pain syndrome/interstitial cystitis, 87 (78.4%) had at least one co-morbid condition (62% males vs 82% females, p = 0.005). Those with concomitant irritable bowel syndrome were younger and had urodynamic characteristics of smaller catheter-free voided volume, lower catheter-free average flow rate, smaller bladder volume on the first desire to void, and more prevalent dysfunctional voiding than those without irritable bowel syndrome. Patients with concomitant localized Myofascial Pain Disorder also had larger bladder volume at the first desire to void and lower pressure at maximum flow than those without co-morbid Myofascial Pain Disorder. There were no significant differences in urodynamic parameters between bladder Pain syndrome/interstitial cystitis patients with and those without other co-morbidities. Conclusion Bladder Pain syndrome/interstitial cystitis patients, especially females, are more likely to have non-bladder co-morbidities, especially tension/migraine headache and localized Myofascial Pain. Bladder Pain syndrome/interstitial cystitis Patients with co-morbid irritable bowel syndrome are younger and more likely to have abnormal urodynamic findings.

  • Non-bladder conditions in female Taiwanese patients with interstitial cystitis/hypersensitive bladder syndrome.
    International journal of urology : official journal of the Japanese Urological Association, 2014
    Co-Authors: Yu-hua Fan, Alex T.l. Lin, Yao-chi Chuang, Kuang-kuo Chen
    Abstract:

    Objectives To detect non-bladder conditions in patients with interstitial cystitis/hypersensitive bladder syndrome. Methods A total of 122 female interstitial cystitis/hypersensitive bladder syndrome patients and a control group of 122 age-matched female patients with stress urinary incontinence completed screening questionnaires for irritable bowel syndrome, temporomandibular Disorder, multiple chemical sensitivities, tension and migraine headache, localized Myofascial Pain Disorder, and fibromyalgia. Interstitial cystitis/hypersensitive bladder syndrome patients also completed questionnaires on interstitial cystitis/hypersensitive bladder syndrome symptom severity, including the O'Leary–Sant symptom index, and the visual analog scale for Pain and urgency. Results Interstitial cystitis/hypersensitive bladder syndrome patients were more likely to meet diagnostic criteria for irritable bowel syndrome than controls (37.5% vs 11.5%), and tension/migraine headache (38.7% vs 15.7%; all P 

J. E. Van Sickels - One of the best experts on this subject based on the ideXlab platform.

  • Otologic complaints in temporomandibular joint syndrome.
    Archives of otolaryngology--head & neck surgery, 1992
    Co-Authors: D. H. Henderson, J. C. Cooper, G. W. Bryan, J. E. Van Sickels
    Abstract:

    • Complaints of diminished hearing or reduced speech discrimination frequently accompany temporomandibular dysfunction. There is no consensus as to the mechanism of their occurrence or the alteration of these symptoms with the treatment. We studied 12 subjects with internal derangement of the temporomandibular joint (treated surgically) and nine subjects with Myofascial Pain Disorder (treated medically), and we found no difference between the groups in pretreatment audiometric findings or in their degree of otologic symptoms. Similarly, there were no differences in posttreatment audiometric measures and there were no significant treatment effects. Furthermore, there was no correlation between subjects' complaints of reduced hearing sensitivity or discrimination and audiometric results. The apparently significant reduction in symptoms experienced by some subjects in the absence of audiometric change suggests the operation of unmeasured factors in their response to treatment. ( Arch Otolaryngol Head Neck Surg. 1992;118:1208-1213)

Mina Khayamzadeh - One of the best experts on this subject based on the ideXlab platform.

  • Clinical Comparison of the Effects of Low Level Laser and Naproxen on Patients with Myofascial Pain Disorder Syndrome
    2018
    Co-Authors: Shamsoulmolouk Najafi, Taraneh Farrokhnia, Mohammad Reza Vahidi, Mohamadjavad Kharazifard, Mohammadjavad Vahidi, Mina Khayamzadeh
    Abstract:

    Background: Myofascial Pain Dysfunction Syndrome (MPDS) is an important facial Disorder. MPDS patients complain of Pain, tenderness of one or more muscles of mastication and suffer from limited function of affected muscles. The aim of this study was to compare the therapeutic effect of low level laser with naproxen for treatment of MPDS. Methods: This clinical trial was conducted through analytical parallel-groups design on 40 patients referred to the occupational medicine center of Yazd Province. Patients were divided into 2 groups of 20 cases who then were treated for 2 weeks with naproxen or low level laser. Clinical examinations were performed before treatment and 2 weeks after treatment by an oral medicine specialist. Result: This study showed that both laser and naproxen were almost equally effective in the treatment of MPDS.Conclusion: All clinical symptoms such as masticatory muscle tenderness and Pain improved in both groups; however mouth opening ability improved much better in laser treated group.