Middle-ear myoclonus

Zipfel, Terrence E.; Kaza, Srinivas; Greene, J. Scott

doi:10.1258/0022215001905120

Cited by 40 publications

(48 citation statements)

References 6 publications

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“…Zipfel y col. 27 amplían lo anterior, explicando que las causas mecánicas más comunes del tinitus objetivo son el mioclonus palatino y el mioclonus del oído medio, que produce movimiento rítmico de la membrana timpánica (30 veces por minuto), secundaria a la contracción repetitiva de los músculos tensor del tímpano y estapedial (Figura 1). También declaran que el tinitus objetivo (excluyendo anormalidades vasculares) es mucho menos común que el tinitus subjetivo [28][29][30] .…”

Section: A R T í C U L Ounclassified

Síntomas óticos referidos en desórdenes temporomandibulares. Relación con músculos masticatorios

2007

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Otological symptoms among patients with temporomandibular joint disordersCorrespondencia a: Dr. Luis Miguel Ramirez, Fax: (097) 6479668. E mail: lmra3@yahoo.com L a mayoría de los personas con desórdenes temporomandibulares (DTM) sufren de dolor muscular crónico de tipo local, que afectan los músculos orofaciales y también pueden producir dolor y sintomatología no dolorosa de tipo referida, que puede llegar a afectar la musculatura cervical y la musculatura del oído medio, con síntomas óticos variados, que incluyen vértigo, tinitus, sensación de oído tapado, hiper o hipoacusia y otalgia. Múltiples posibilidades anató-micas o neurológicas que, a partir de una disfunción muscular o articular, pueden generar condiciones óticas, no parecieran corresponder con los hallazgos clínicos al momento de la valoración 1 . Estas posibles vías atañen tanto el enfoque puramente descriptivo de estructuras anatómicas en común para la articulación temporomandibular (ATM) y el oído, así como también vecindades entre estructuras musculares y el oído medio 2 . Esta revisión pretende desarrollar bajo un enfoque principalmente anatómico y neuroanató-

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Section: A R T í C U L Ounclassified

Síntomas óticos referidos en desórdenes temporomandibulares. Relación con músculos masticatorios

2007

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“…(Virtanen, 1983). Zipfel et al (2000) noted that the most common mechanical origin of objective tinnitus is palatal myoclonus and middle ear myoclonus (rhythmic movement of the tympanic membrane secondary to repetitive contraction of the tensor tympani and stapedial muscles).…”

Section: Muscular Involvementmentioning

confidence: 99%

Theories on Otic Symptoms in Temporomandibular Disorders: Past and Present

2005

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SUMMARY:For many years otic symptoms have been closely observed in TMD clinical practice. This review includes trials that meet eligibility criteria in the field of otic symptoms diagnosed and treated by a stomatognathic focal point. The aim is centered on the implications of the debated cause-effect connection between otic symptoms and TMD offering a probable bond between the TMJ, ear and adjacent structures. The rationalization is based on an embryological and anatomical approach that offers explanations on the otic pathogenic mechanisms symptoms interconnected with TMD. The accompanying reciprocity among disciplines of odontology and otolaryngology is brought together by TMD and otic referred mutual symptomatology as is showed in multiple trials. This research is an attempt that targets the integration of these two health specialties in the diagnosis and treatment of this type of population.

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“…The reciprocal contraction of tensor tympani creates an air pump which helps in opening of Eustachian tube [24,25]. It seems that TMJ bony ankylosis affects the function of the pharyngeal and laryngeal muscles and consequently Eustachian tube ventilation is affected.…”

Section: Discussionmentioning

confidence: 99%

Assessment of the Effect of Temporomandibular Joint Bony Ankylosis on Eustachian Tube Functions

Dehis¹

2017

IJCOMS

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Abstract:Objective: This study was designed to evaluate the effect of temporomandibular joint (TMJ) bony ankylosis on Eustachian tube (ET) functions. Subjects and Methods: Twelve patients suffering from TMJ bony ankylosis were selected from those attending the out-patient Clinic of Oral and Maxillofacial Surgery Department, Faculty of Oral and Dental Medicine, Cairo University. Twelve subjects (control group) underwent Eustachian tube function test were selected also. Tympanometry was utilized to assess Eustachian tube function. Three pressure reading (P1, P2, and P3) of the middle ear and external ear canal volume were recorded by the use of tympanometry. Comparisons were performed between patient and control group to evaluate the change of pressure. Results: Throughout the results, four ears showed type (C) tympanogram representing Eustachian tube dysfunction, two ears showed type (B) tympanogram which represent otitis media with effusion. While other ears showed type (A) tympanogram. On comparing the pressure values between the patients and the control, significant decrease was recorded in (P2) value in the patients group and no significant difference existed in the external canal volume. Conclusions: The Eustachian tube function is affected in patients of temporomandibular joint bony ankylosis, it cannot adapt to changes in pressure effectively. Patients of TMJ ankylosis are more liable to develop otitis media. Inflation-deflation test is a reliable method for evaluating Eustachian tube function in patients of (TMJ) ankylosis. The external ear canal volume was not affected in this group of patients.

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Middle-ear myoclonus

Cited by 40 publications

References 6 publications

Síntomas óticos referidos en desórdenes temporomandibulares. Relación con músculos masticatorios

Síntomas óticos referidos en desórdenes temporomandibulares. Relación con músculos masticatorios

Theories on Otic Symptoms in Temporomandibular Disorders: Past and Present

Assessment of the Effect of Temporomandibular Joint Bony Ankylosis on Eustachian Tube Functions

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