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Vestibulocochlear Nerve Disease

Disorders of Acoustic Nerve


Presentation

  • The Netter Atlas of Human Anatomy, first published in 1989, presents the anatomic paintings from the Netter Collection. Now translated into 16 languages, it is the anatomy atlas of choice among medical and health professions students the world over.[books.google.com]
  • Make the most of your limited time with easy-to-digest blocks of information, consistently presented for clear readability and quick reference.[books.google.com]
  • The typical presentation is with adult-onset sensorineural hearing loss or non-pulsatile tinnitus. In some patients, this goes unnoticed, and presentation is delayed until the lesion is much larger and presents with symptoms related to mass effect.[radiopaedia.org]
  • We present a case of a patient with confirmed WM who initially presented with peripheral visual, hearing, vestibular losses. Design/Methods: .[neurology.org]
  • So, in our case of bilateral VII and VIII cranial nerve involvement presented a diagnostic dilemma and definite etiology could not be ascertained.[indianjotol.org]
Hemophilia A
  • Stay up to date with new chapters on Clotting Disorders and Hemophilia, Patient-Centered Care, Health Disparities and Diversity in Emergency Medicine, Cost-Effectiveness Analysis, Antibiotic Recommendations for Empirical Treatment of Selected Infectious[books.google.com]
Nausea
  • […] drugs that can reduce dizziness and nausea, and sedatives to allay the anxiety.[neuroequilibrium.in]
  • The disorder may cause a person to experience such symptoms as sudden, severe vertigo (spinning/swaying sensation), dizziness, balance difficulties, nausea, vomiting, and concentration difficulties.[my.clevelandclinic.org]
  • Treatment Acute vestibular neuritis is treated with medicines to suppress nausea and dizziness.[everydayhealth.com]
  • Symptoms include tinnitus, sensorineural hearing loss, dizziness, or vertigo with or without vomiting and nausea.[deafwebsites.com]
  • […] autonomic disorders; nausea, vomiting, sweating - vertigo is ALWAYS worse during head movement!![quizlet.com]
Strabismus
  • Type 2 Excludes: G52 ICD-10-CM Diagnosis Code G52 Disorders of other cranial nerves 2016 2017 2018 2019 Non-Billable/Non-Specific Code Type 2 Excludes disorders of acoustic [8th] nerve ( H93.3 ) disorders of optic [2nd] nerve ( H46, H47.0 ) paralytic strabismus[icd10data.com]
  • Cover test This tests for a manifest strabismus/squint. 1. Ask patient to focus on a target ( e.g. your pen top ). 2. Cover one of the patient’s eyes. 3.[geekymedics.com]
Sudden Hearing Loss
  • Less commonly, acoustic neuromas may cause sudden hearing loss.[webmd.com]
  • Contrast enhancement of the labyrinth on MR scans in patients with sudden hearing loss and vertigo: evidence of labyrinthine disease. AJNR Am J Neuroradiol 1991 ; 12 : 13 -16 MacLean S, Luger A.[ajnr.org]
  • The extent to which individuals with sudden hearing loss actually have AN, is uncertain. Of course, this could be diagnosed by OAE testing. It is our general experience that patients with SHL have absent OAE's as well.[dizziness-and-balance.com]
Hearing Impairment
  • Danielidis and other scientists from the Department of Otorhinolaryngology at the School of Medicine at Democritus University in Greece and published in the journal "Audiology & Neuro-ontology" states that "hearing impairment is a well-known consequence[livestrong.com]
  • Evaluation of hearing impairment in leprosy patients taking multidrug therapy. Indian J Lepr, 2013; 85(4); 171-6. Sacheri, R. F(1963). Auricular leprosy and disturbance of hearing. Int.J.Lepr.33:383. Singh SR, et al.[hearinghealthmatters.org]
  • Lesion of the tensor tympani branch hearing impairment (particularly difficulty hearing low-pitched sounds) Lesions of the trigeminal nerve nuclei : Depending on which nuclei are affected ;, the patient may present with ipsilateral weakness of muscles[amboss.com]
Vertigo
  • Clinical signs are varying degree of HEARING LOSS; VERTIGO; and TINNITUS.[profiles.umassmed.edu]
  • Clinical signs are varying degree of HEARING LOSS; VERTIGO; and TINNITUS. coordinate IM with COCHLEAR NERVE (IM) for cochlear nerve disease or with VESTIBULAR NERVE (IM) for vestibular nerve disease: neoplasms: coordinate IM with CRANIAL NERVE NEOPLASMS[reference.md]
Headache
  • This condition—which involves dizziness, hearing loss, and headache—tends to last a few days or weeks, and then gradually subsides. Acute Vestibular Neuropathy This is damage to the vestibular portion of cranial nerve VIII.[abmp.com]
  • Kids may seem momentarily scared and unsteady and also may have nausea, vomiting, involuntary eye movements, or headaches.[m.kidshealth.org]
  • Complications: Pain and headache: These are usually short lived. Hearing loss: The surgery is designed to eliminate balance fibers and maintain hearing fibers, but this is sometimes not possible. Hearing loss may occur, and be mile to profound.[earassociates.com]
  • Migraine-Associated Vertigo (MAV) Migraine, a disorder usually associated with headache, is extremely common and can cause several vestibular syndromes.[vestibular.org]
  • Other symptoms, which may occur over time, include: Problems with balance Vertigo (feeling like the world is spinning) Facial numbness and tingling, which may be constant or come and go Facial weakness Taste changes Difficulty swallowing and hoarseness Headaches[webmd.com]
Cranial Neuropathy
  • Multiple cranial neuropathies are common, particularly in lesions arising from tumors, trauma, impaired blood flow, and infections.[amboss.com]
  • Meningeal irritation results in cranial neuropathies because the meningeal disease extends along the nerves at the base of the brain. Cranial nerves seven and eight are most frequently involved in syphilitic basilar meningitis (3).[ajnr.org]
  • The diseases often associated with bilateral peripheral paralysis are neurosarcoidosis, multiple idiopathic cranial neuropathies, brain stem encephalitis, benign intracranial hypertension, Guillain-Barre syndrome, bacterial meningitis, leukemia, syphilis[indianjotol.org]
  • Eidelman BH, VK Nielsen, M Møller et al (1985) Vascular compression, hemifacial spasm, and multiple cranial neuropathy. Neurology 35:712–6. PubMed CrossRef Google Scholar 73. Schwaber M (1994) Vascular compression syndromes.[link.springer.com]
Polyneuropathy
  • […] olfactory bulb D33.3 ) syphilitic acoustic neuritis ( ICD-10-CM Diagnosis Code A52.15 Late syphilitic neuropathy 2016 2017 2018 2019 Billable/Specific Code Applicable To Late syphilitic acoustic neuritis Late syphilitic optic (nerve) atrophy Late syphilitic polyneuropathy[icd10data.com]
  • […] not fit into any other recognizable condition (no vertigo, nystagmis, syncope, disequilibrium), more continous than episodix causes of disquilibrium causing a feeling of dizziness - loss of proprioception -- worsens without visual input (peripheral polyneuropathy[quizlet.com]
  • Guillain-Barre syndrome or ascending inflammatory demyelinating polyneuropathy (AIDP) presents as progressive development of palsy of the voluntary muscles including the face with multiple cranial nerves involvement (VII th, IX th and X th ).[indianjotol.org]
  • Concerning CIDP, or chronic inflammatory demyelinating polyneuropathy, again vestibular function has been reported, presumably relating to the propensity for CIDP to affect cranial nerves.[dizziness-and-balance.com]
Cranial Nerve Involvement
  • Audiovestibular system, fifth and seventh cranial nerve involvement in leprosy. Indian J Leprosy, 1994; 66: 421-428. Kumar S et al. Cranial nerve involvement in patients with leprous neuropathy. Neurol India 2006;54:283-5. Londhey V et al.[hearinghealthmatters.org]
  • So, in our case of bilateral VII and VIII cranial nerve involvement presented a diagnostic dilemma and definite etiology could not be ascertained.[indianjotol.org]

Workup

  • Acute stroke workup, including brain CT/CTA and MRI, were negative except a dolichoectatic basilar artery.[neurology.org]
Pericardial Effusion

Treatment

  • Get clear, concise descriptions and evidence-based treatment guidelines for a full range of clinical conditions, ranging from the common to the unusual.[books.google.com]
  • Radiosurgery Radiosurgery treatments can be single or fractionated (multiple smaller treatments rather than one large one).[hopkinsmedicine.org]
  • If medical treatment does not satisfactorily reduce the symptoms, surgical intervention with a procedure called Microvascular Decompression (MVD) can be performed.[californiaearinstitute.com]
  • Treatment options There is no cure for auditory neuropathy.[betterhealth.vic.gov.au]
  • Continued Acoustic Neuroma Treatments There are three main courses of treatment for acoustic neuroma: Observation Surgery Radiation therapy Observation is also called watchful waiting.[webmd.com]

Prognosis

  • Treatment and prognosis There is variability in the rate of growth of these tumors, and as such, the decision to treat requires consideration of the patient's age and co-morbidities.[radiopaedia.org]
  • […] posterior communicating artery aneurysm ) Pupillary sparing often due to ischemic microangiopathy Treatment Compressive lesions: surgery Ischemic microangiopathy or demyelinating lesions: medical management with adequate control of the underlying disease Prognosis[amboss.com]
  • As far as the prognosis of the vascular loop syndrome concerns there are no studies to deal with. From a clinical point of view hypertension and ageing accelerate atherosclerotic changes and could result the worsening of the symptoms [ 14 ].[jneuro.com]

Etiology

  • […] options Subheadings: analysis anatomy and histology blood blood supply cerebrospinal fluid chemically induced chemistry classification complications congenital cytology diagnosis diagnostic imaging drug therapy economics enzymology epidemiology ethnology etiology[ncbi.nlm.nih.gov]
  • Etiology Clinical features Extorsion of the eye : inability to depress and adduct the eyeball simultaneously (the pupil shoots upward during attempted adduction of the eyeball) Diplopia ( double vision ) Mild esotropia Trigeminal nerve lesion (V) Etiology[amboss.com]
  • Jannetta PJ and DJ Bissonette (1978) Bell’s palsy: a theory as to etiology. Observations in six patients. Laryngoscope 88:849–54. PubMed Google Scholar 46. Schwaber MK and JW Hall (1992) Cochleovestibular nerve compression syndrome. I.[link.springer.com]
  • BPPV: Etiology and Symptoms The layout of the inner ear is complex. The vestibule, a hollow area at the center of the bony labyrinth, has several sub-portions.[abmp.com]
  • So, in our case of bilateral VII and VIII cranial nerve involvement presented a diagnostic dilemma and definite etiology could not be ascertained.[indianjotol.org]

Epidemiology

  • PubMed search builder options Subheadings: analysis anatomy and histology blood blood supply cerebrospinal fluid chemically induced chemistry classification complications congenital cytology diagnosis diagnostic imaging drug therapy economics enzymology epidemiology[ncbi.nlm.nih.gov]
  • The epidemiology and treatment of Bell's palsy in the UK. Eur J Neurol 2002;9:63-7. [ PUBMED ] 4. Keane JR. Bilateral seventh nerve palsy: analysis of 43 cases and review of the literature. Neurology 1994,44:1198-2002. [ PUBMED ] 5. May M, Klein SR.[indianjotol.org]
Sex distribution
Age distribution

Pathophysiology

  • Møller AR (1993) Cranial nerve dysfunction syndromes: Pathophysiology of microvascular compression. In: Neuro surgical Topics Book 13, ‘Surgery of Cranial Nerves of the Posterior Fossa,’ Chapter 2. D.L. Barrow, ed.[link.springer.com]
  • Vestibular nerve histopathology and theory of pathophysiology." Laryngoscope 102(9): 1030-6.[californiaearinstitute.com]
  • Moller AR (1999) Vascular compression of cranial nerves: II: pathophysiology. Neurol Res 21:439-443. Schwaber MK, Whetsell WO (1992) Cochleovestibular nerve compression syndrome. Ii. Vestibular nerve histopathology and theory of pathophysiology.[jneuro.com]
  • "Auditory dyssynchrony or auditory neuropathy: understanding the pathophysiology and exploring methods of treatment." Int J Pediatr Otorhinolaryngol 78(2): 171-173. Papadakis CE, Hajiioannou JK, Kyrmizakis DE, Bizakis JG.[dizziness-and-balance.com]

Prevention

  • […] cytology diagnosis diagnostic imaging drug therapy economics enzymology epidemiology ethnology etiology genetics history immunology metabolism microbiology mortality nursing organization and administration parasitology pathology physiology physiopathology prevention[ncbi.nlm.nih.gov]
  • Early detection of changes in hearing can determine the type of loss and may prevent permanent deafness.[deafwebsites.com]
  • In most cases a barrier is placed between the two structures (such as Teflon felt) in order to prevent further compression in the future.[californiaearinstitute.com]
  • A facial nerve monitor is used to prevent this, and is successful in all but rare cases. Spinal Fluid Leak: Spinal fluid is the fluid that bathes the brain and can leak out into the ear or the wound in any surgery when the dura mater is opened.[earassociates.com]
  • Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA. Available at: . Accessed October 4, 1999 STD Surveillance 1998 National Profile: Syphilis. Division of STD Prevention, Centers for Disease Control, Atlanta, GA.[ajnr.org]

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