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Autosomal Recessive Deafness 46
Autosomal Recessive Non-Syndromic Sensorineural Deafness Type DFNB

Presentation

[…] keratoderma Progressive Mild-to-severe hearing loss with childhood onset m.1555A>G variant Stable Severe-to-profound hearing loss with variable age of onset May have predisposition to aminoglycoside ototoxicity No other anatomic defects are typically present [arupconsult.com]

Abstract To present a series of patients with bisphosphonate induced orbital inflammation, and to review the clinical presentation, radiological features, treatment options and outcomes.Methods: We present a multicentre, retrospective case series review [citeulike.org]

Fifty-three loci have presently been reported. The 17 deafness forms for which the genes have been identified are presented. [ommbid.mhmedical.com]

According to a large study on 168 patients suffering from SSS 20, vertigo was present in 52% of cases and tinnitus in 4%. [kipdf.com]

However, if a change occurs in an egg or sperm, the change will be copied into all the cells of the baby's body causing a "genetic" condition that was not present in the family. [boystownhospital.org]

Ears

  • Hearing Impairment

    (II) The characteristics of the hearing impairments in the children studied were ho-mogeneous, regardless of the presence or absence of a connexin 26 mutation: the hearing impairment was pre-lingual bilateral sensorineural, the impairment often involved [vdocuments.site]

    The relationship of vision and hearing impairment to one-year mortality and functional decline. J Aging Health 1992;4:126-48. ciation of hearing impairment with incident frailty and falls in older adults. [zdoc.site]

    Friedman, A Large Genome-Wide Association Study of Age-Related Hearing Impairment Using Electronic Health Records, PLOS Genetics, 12, 10, (e1006371), (2016). [doi.org]

    GJB2 (connexin 26) variants and nonsyndromic sensorineural hearing loss: a Huge review. Genetics in Medicine. 2002; 4; 258-274. 15. Van Camp G, Willems PJ, Smith RJ. Nonsyndromic hearing impairment: unparalleled heterogeneity. [degruyter.com]

Neurologic

  • No Speech Development

    Age of onset is characterized as prelingual (before speech develops) or postlingual (after speech develops). Severity ranges from mild to profound. [egl-eurofins.com]

Workup

For example if a KNCQ1 mutation is found, additional cardiac workup may be warranted since mutations in this gene are also associated with cardiac rhythm abnormalities. [bcidaho.com]

The case of an 11-year-old girl with an objective tinnitus lasting from 1 year is herein presented, and the diagnostic workup performed in this unusual case is described. ... [2sj.manageable.us]

Diagnostic yield in the workup of congenital sensorineural hearing loss is dependent on patient ethnicity. Otol Neurotol 2011; 32:81-87. 14. Snoeckx RL, Hassan DM, Kamal NM, Van Den Bogaert K, Van Camp G. [ejo.eg.net]

Clinical Testing and Workup The diagnostic approach to confirming a suspected diagnosis of Alport syndrome has been evolving over the past decade. [rarediseases.org]

Treatment

CLOSE Medical Disclaimer The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. [diseaseinfosearch.org]

NP is best treated with a combination of multiple therapeutic approaches, and treatments include conservative, complementary, medical, interventional, and surgical treatment modalities. [citeulike.org]

Standard Therapies Treatment The treatment of Alport syndrome is directed toward the specific symptoms that are apparent in each individual. Treatment may require the coordinated efforts of a team of specialists. [rarediseases.org]

Based on this, the need for treatment will evaluate. Blood transfusion is one of the most common treatment for most enduring different types of Thalassemia. Other methods include Iron overload and Chelation therapy. [sharepadasemua.blogspot.com]

NDM may have further evolved as a result of the selection pressure imposed by chronic treatment with β-lactam, aminoglycoside and fluoroquinolone antibiotics as the mainstay of CF treatment. [docplayer.net]

Prognosis

These factors lend credence to the theory that patients with GJB2 and GJB6 mutations may have a favorable prognosis following cochlear implantation, and that patients with other mutations or without a documented mutation may have a less favorable prognosis [bcidaho.com]

Abstract Cardiac autonomic neuropathy (CAN) has been associated with a poor prognosis in patients with diabetes. [citeulike.org]

Early diagnosis of GJB2 mutations in nonsyndromic deaf patients is crucial for prognosis and appropriate management. [ejo.eg.net]

[citation needed] Prognosis[edit] Although HSP is a progressive condition, the prognosis for individuals with HSP varies greatly. It primarily affects the legs although there can be some upperbody involvement in some individuals. [en.wikipedia.org]

Etiology

They are organised into groups, and further divided into clinical, etiological or histopathological sub-types. [orpha.net]

Single-gene testing may be warranted in cases in which the medical or family history, or presentation of the hearing loss, suggests a specific etiology. [bcidaho.com]

Nowadays, rare studies have been carried out to investigate the genetic etiology of the genes associated with HS in Xinjiang Uyghur Autonomous region. [journals.lww.com]

Genetic Counseling 19 (1), 15, 2008 12 2008 Deafness on the island of Providencia--Colombia: Different etiology, different genetic counseling MC Lattig, N Gelvez, SL Plaza, G Tamayo, JI Uribe, I Salvatierra, ... [scholar.google.es]

2015/31/1/42/152707 Introduction Congenital hearing loss affects ∼1-3 in 1000 live births in the general population, and 50-60% of these cases have genetic etiologies [1]. [ejo.eg.net]

Epidemiology

(BOR syndrome) Treacher Collins syndrome Stickler syndrome X-linked pattern Mohr-Tranebjaerg syndrome Mitochondrial syndromes (eg, mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes [MELAS]) Autoimmune hearing loss Background Epidemiology [arupconsult.com]

From the molecular data presently available, three main epidemiologic results emerge: (a) Mutations in the gene encoding a gap junction protein, connexin 26, account for about half of the cases of prelingual isolated deafness in Caucasian populations; [ommbid.mhmedical.com]

Genetic epidemiology of hearing impairment, Ann NY Acad Sci 630 (1991) 16–31. http://dx.doi.org/10.1111/j.1749-6632.1991.tb19572.x. M.L. Marazita, L.M.Ploughman, B.Rawlings. [sciencepubco.com]

Genetic epidemiology of hearing impairment. Ann Acad Sci 1991;630:16–31. [3]. Marazita M, Ploughman L, Rawlings B, et al. Genetic epidemiological studies of early-onset deafness in the US school-age population. Am J Med Genet 1993;46:486–91. [4]. [journals.lww.com]

Therefore, epidemiological evidence supports the hypothesis that there is a link between ARHL and dementia. [zdoc.site]

Pathophysiology

[…] recessive; resulting from either two GJB6 deletions (rare) or one GJB6 deletion and one GJB2 variant on opposite chromosome Mitochondrial DNA – dominant maternal inheritance Hearing loss in some individuals with 1555A>G variant is induced by aminoglycosides Pathophysiology [arupconsult.com]

Each form is introduced by a brief history of how the gene was discovered, followed by the description of its clinical features and the established or putative role of the encoded protein, as well as the current hypotheses concerning the associated pathophysiological [ommbid.mhmedical.com]

Objective: The objective of the study is to investigate a possible contribution of diabetes and microvascular disease to the pathophysiology of BRONJ. [citeulike.org]

The pathophysiology of CAPD is not fully understood, probably involves interhemispheric interaction and corpus callosum function. [zdoc.site]

POLR3A 10q22.3 Autosomal recessive Pathophysiology[edit] The major feature of HSP is a length-dependent axonal degeneration.[19] These include the crossed and uncrossed corticospinal tracts to the legs and fasciculus gracilis. [en.wikipedia.org]

Prevention

Transplantation Substance Use and Addiction Surgery Surgical Innovation Surgical Pearls Teachable Moment Technology and Finance The Rational Clinical Examination Tobacco and e-Cigarettes Toxicology Trauma and Injury Treatment Adherence United States Preventive [jamanetwork.com]

Furthermore, regular follow-up must be undertaken in order to prevent other neurological deficits in the vertebrobasilar arterial territory. [kipdf.com]

There is no approved treatment to prevent or halt diabetic neuropathy, and only symptomatic pain therapies, with variable efficacy, are available. New insights into the mechanisms leading to the development of diabetic neuropathy continue to ... [citeulike.org]

These drugs are blood pressure medications that prevent (inhibit) an enzyme in the body from producing angiotensin II. Angiotensin II is a chemical that acts to narrow blood vessels and can raise blood pressure. [rarediseases.org]

The aim of this paper is to focus on the new insights on epidemiological aspects, prevention, assessment and intervention strategies for older adults with HL who are at risk of developing dementia. [zdoc.site]

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