Presentation
The proband of the present case was an 18-year-old male with congenital or infantile hearing loss. [ncbi.nlm.nih.gov]
Answer the survey x Homepage Rare diseases Search Search for a rare disease Autosomal dominant non-syndromic sensorineural deafness type DFNA The documents contained in this web site are presented for information purposes only. [orpha.net]
Fifty-three loci have presently been reported. The 17 deafness forms for which the genes have been identified are presented. [ommbid.mhmedical.com]
DERMOIDS Dermoids (choristomas, or growths of tissue not normally present) may be found on the cornea, usually at the inferotemporal limbus. [vdocuments.in]
Deafness can present as part of a syndrome, for example Usher, Pendred, Jervell and Lange-Nielsen and Waardenburg syndromes. [centogene.com]
Entire Body System
- Euthyroid
Electroretinography can identify abnormalities in photoreceptor function in children as young as 2 - 4 Pendred Syndrome Most common type of AR syndromic hearing loss Congenital severe to profound SNHL Abnormality of bony labyrinth that can be diagnosed with CT scan Euthyroid [en.wikibooks.org]
In essence it is deafness associated with thyroid disease (euthyroid goiter). Vestibular testing, especially rotatory testing if available, should be obtained in cases with known mutations. [dizziness-and-balance.com]
Usher syndrome type III (OMIM 276902, 614504 ) CLRN1 HARS Progressive Progressive deterioration of vestibular function Pendred syndrome SLC26A4 4, 5 SN Congenital Usually (but not invariably) severe to profound 2nd most common type of AR SHL Hearing & euthyroid [ncbi.nlm.nih.gov]
The syndrome is characterized by congenital sensorineural hearing loss that is usually (though not invariably) severe-to-profound and euthyroid goiter. Goiter is not present at birth and develops in early puberty (40%) or adulthood (60%). [consilieregenetica.org]
[…] hearing impairment Pendred syndrome Pendred syndrome is the most common form of syndromic hearing loss and is characterized by congenital severe-to-profound sensorineural hearing impairment, structural defects of the temporal bone and inner ear, and euthyroid [nature.com]
- Amyloidosis
M., 2018, In : Frontiers in Neurology. 9, p. 981 Research output : Contribution to journal › Article 2017 Histoproteomic characterization of localized cutaneous amyloidosis in X-linked reticulate pigmentary disorder L'Imperio, V., Bruno, I., Rabach, I [moh-it.pure.elsevier.com]
Respiratoric
- Pneumonia
Penicillin-resistant Streptococcus pneumoniae in acute otitis media: risk factors, susceptibility patterns, and antimicrobial management. Pediatr Infect Dis J 1995; 14:751-759. Página 124 - ... combination of the two. [books.google.es]
Favorites PDF Get Content & Permissions Open SDC Programmed death ligand 1 is overexpressed by neutrophils in the blood of immunocompromised human immunodeficiency virus-negative patients with Pneumocystis jirovecii pneumonia Zhang, Nan-Nan; Huang, Xu [cmj.org]
[…] results from prenatal infections from "TORCH" organisms (i.e., to xoplasmosis, r ubella, c ytomegalovirus, and h erpes), or postnatal infections, particularly bacterial meningitis caused by Neisseria meningitidis, Haemophilus influenzae, or Streptococcus pneumoniae [ncbi.nlm.nih.gov]
[…] from prenatal infections from “TORCH” organisms (i.e., to xoplasmosis, r ubella, c ytomegalic virus, and h erpes), or postnatal infections, particularly bacterial meningitis caused by Neisseria meningitidis, Haemophilus influenzae, or Streptococcus pneumoniae [consilieregenetica.org]
[…] commonly results from prenatal infections from the “TORCH” organisms ( to xoplasmosis, r ubella, c ytomegalovirus, and h erpes), or postnatally secondary to bacterial meningitis caused by Neisseria meningitides, Haemophilus influenzae, or Streptococcus pneumoniae [nature.com]
Jaw & Teeth
- Macrostomia
Treacher Collins Syndrome (OMIM Entry TCOF1) Treacher Collins syndrome is characterized by coloboma of the lower eyelid (the upper eyelid is involved in Goldenhar syndrome), micrognathia, microtia, hypoplasia of the zygomatic arches, macrostomia, and [dizziness-and-balance.com]
Eyes
- Heterochromia Iridis
iridis (two different-colored irises or two colors in the same iris), and hearing loss, while others may only have dystopia canthorum. [entnet.org]
The clinical signs of Waardenburg Syndrome (WS) include lateral displacement of the inner canthus of each eye, pigmentary abnormalities of hair, iris, and skin (often white forelock and heterochromia iridis -- see above; or light blue eyes), and sensorineural [dizziness-and-balance.com]
It consists of variable degrees of sensorineural hearing loss and pigmentary abnormalities of the skin, hair (white forelock), and eyes (heterochromia iridis). [consilieregenetica.org]
It consists of variable degrees of prelingual nonprogressive sensorineural hearing loss accompanied by pigmentary abnormalities of the skin, hair (white forelock), and eyes (heterochromia iridis). [nature.com]
iridis) Subtype characteristics: WS1. [ncbi.nlm.nih.gov]
Musculoskeletal
- Fracture
Vitamin A intake and the risk of hip fracture in postmenopausal women: the Iowa Women’s Health Study. Osteoporos Int. 2004;15:552-559. Lips P. Hypervitaminosis A and fractures. N Engl J Med. 2003;348:347-349. Loktev AV, Zhang Q, Beck JS, et al. [rarediseases.org]
[…] sensorineural hearing loss (variable severity) Generally begins after 10 years of age Progressive renal disease Ophthalmologic findings 85% X-linked, AR and AD forms also identified DFN1 (Xq22) Progressive, postlingual hearing loss Visual disability Dystonia Fractures [en.wikibooks.org]
N Engl J Med 338(15):1016-1021,1998 17) Langdahl BL, RaIston SH, Grant SF, et al: An Spl binding site polymorphism in the COLlAl gene predicts osteoporotic fractures in both men and women. [network-oi.com]
A new X linked recessive deafness syndrome with blindness, dystonia, fractures, and mental deficiency is linked to Xq22. J Med Genet 1995; 32 : 257–263. 56. Jin H, May M, Tranebjaerg L, Kendall E, et al. [nature.com]
XL Deafness-dystonia-optic neuronopathy syndrome (Mohr-Tranebjaerg syndrome) TIMM8A SN Early childhood Progressive; pre- or postlingual Visual disability, dystonia, fractures, intellectual disability 1. [ncbi.nlm.nih.gov]
Ears
- Hearing Impairment
Figure 1 Pedigree of the family with autosomal dominantly inherited hearing impairment. Filled symbols represent individuals with hereditary hearing impairment and empty symbols represent individuals with normal hearing. [jmg.bmj.com]
Willems CRC Press, ١٧/١٠/٢٠٠٣ - 406 من الصفحات Heredity, either alone or in combination with environmental factors, is the most prominent underlying cause of hearing impairment. [books.google.com]
Impairment is determined by weighting the better ear five times the poorer ear ( Table 2 ). 3 Table 2: Percent hearing impairment Note: Because conversational speech is at approximately 50 to 60 dB hearing level (HL), calculating functional impairment [nature.com]
Percent Hearing Impairment View in own window % Impairment Pure Tone Average (dB) 1 % Residual Hearing 100% 91 dB 0% 80% 78 dB 20% 60% 65 dB 40% 30% 45 dB 70% 1. Pure tone average of 500 Hz, 1000 Hz, 2000 Hz, 3000 Hz Frequency of hearing loss. [consilieregenetica.org]
Percent Hearing Impairment % Impairment Pure Tone Average (dB) 1 % Residual Hearing 100% 91 dB 0% 80% 78 dB 20% 60% 65 dB 40% 30% 45 dB 70% 1. [ncbi.nlm.nih.gov]
- Postlingual Hearing Loss
[…] disease Ophthalmologic findings 85% X-linked, AR and AD forms also identified DFN1 (Xq22) Progressive, postlingual hearing loss Visual disability Dystonia Fractures Mental retardation Mitochondrial syndromes Nonsyndromic Hearing Loss [ edit ] (70% hereditary [en.wikibooks.org]
This complex trait is called presbyacusis and is the commonest form of adult onset hearing loss. Monogenic forms of postlingual progressive hearing impairment are also seen. [jmg.bmj.com]
Onset Prelingual hearing loss is present before speech develops. All congenital hearing loss is prelingual, but not all prelingual hearing loss is congenital. Postlingual hearing loss occurs after the development of normal speech. [nature.com]
The presence of postlingual hearing loss cases in the present study could be due to apparent identification by the patient's parent that their child suffers from hearing loss. [karger.com]
X-linked nonsyndromic hearing loss can be either pre- or postlingual; one disorder, DFNX3, has mixed hearing loss. Table 6. [ncbi.nlm.nih.gov]
- Tinnitus
Results Clinical description For the proband, the initial onset of hearing loss occurred at age 30 along with tinnitus but not vertigo. [journals.plos.org]
Tinnitus was reported by some of the affected members, but no other consistent medical or physical abnormalities were detected. [nejm.org]
Tinnitus was reported by 41.2%." [dizziness-and-balance.com]
Gallant E, Francey L, Fetting H, Kaur M, Hakonarson H, Clark D, Devoto M, Krantz ID: Novel COCH mutation in a family with autosomal dominant late onset sensorineural hearing impairment and tinnitus. [link.springer.com]
Reorganization of auditory cortex in tinnitus. Proceedings of the National Academy of Sciences of the United States of America. 95: 10340-3. PMID 9707649 0.36 1998 Sterr A, Müller MM, Elbert T, Rockstroh B, Pantev C, Taub E. [neurotree.org]
Neurologic
- Vertigo
The proband of family #208 endured late-onset recurrent paroxysmal vertigo attacks and progressively deteriorating hearing, similar to symptoms in those with cochlin mutations in the LCCL domain. [ncbi.nlm.nih.gov]
There is no association of Alports and vertigo. Barakat Syndrome (text courtesy of Dr. Barakat). [dizziness-and-balance.com]
Results Clinical description For the proband, the initial onset of hearing loss occurred at age 30 along with tinnitus but not vertigo. [journals.plos.org]
Workup
Glucocerebrosidase enzymatic activity by mutation status Glucocerebrosidase enzymatic activity is routinely tested during the workup for Gaucher disease, but little is known about enzymatic activity in healthy individuals or in heterozygotes; it is unknown [brain.oxfordjournals.org]
X-Ray
- Atelectasis
Otitis media, atelectasis, and eustachian tube dysfunction. In: Bluestone CD, Stool SE, eds. Página 131 - KS (eds): Otitis Media: Proceedings of the National Conference, Callier Hearing and Speech Center, Dallas, Texas. [books.google.es]
Serum
- Hyperammonemia
Research output : Contribution to journal › Article Efficacy of clonidine in hyperammonemia induced hyperexcitability syndrome Calligaris, L., Vidoni, A., Bruno, I., Vidoni, M. & Barbi, E., Feb 2013, In : Paediatric Anaesthesia. 23, 2, p. 202-204 3 p. [moh-it.pure.elsevier.com]
Microbiology
- Streptococcus Pneumoniae
Penicillin-resistant Streptococcus pneumoniae in acute otitis media: risk factors, susceptibility patterns, and antimicrobial management. Pediatr Infect Dis J 1995; 14:751-759. Página 124 - ... combination of the two. [books.google.es]
pneumoniae, although meningitis-related hearing loss can be the sequelae of infections from Escherichia coli, Listeria monocytogenes, Streptococcus agalactiae, and Enterobacter cloacae ( Fig. 2 ). [nature.com]
Rhythm
- Torsades De Pointes
There is prolongation of the QT interval, torsade de pointe arrhythmias (turning of the points, in reference to the apparent alternating positive and negative QRS complexes), sudden syncopal episodes, and severe-to-profound sensorineural hearing loss. [dizziness-and-balance.com]
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]
However, the precise timing of when such preventative treatment begins will need to be worked out based on safety profiles of those potentially long-term therapies." "Right now there are no proven and approved treatments, of course," Dr. St. [naccme.com]
The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment. [orpha.net]
Acetazolamide in the treatment of X-linked retinoschisis maculopathy. Arch Ophthalmol. 2007;125:571-573. Grover S, Apushkin MA, Fishman GA. Topical dorzolamide for the treatment of cystoid macular edema in patients with retinitis pigmentosa. [rarediseases.org]
Treatment and Outcome Treatment of Peters anomaly includes treatment of the associated glau- coma. Typically, penetrating keratoplasty is considered when corneal opacication is bilateral. [vdocuments.in]
Prognosis
"Mid-frequency sensorineural hearing loss: aetiology and prognosis." J Laryngol Otol 119 (7): 529-33. Steel KP. A new era in the genetics of deafness. NEJM 1998 Stojkovic and others. [dizziness-and-balance.com]
The effect of initial treatment on hearing prognosis in idiopathic sudden sensorineural hearing loss: a nationwide survey in Japan. [soar-rd.shinshu-u.ac.jp]
Acquired causes should be differentiated from genetic causes to inform the evaluation and required ancillary testing (i.e., CT, MRI, and consultation with specialists) and to inform prognosis and treatment recommendations. Figure 2. [ncbi.nlm.nih.gov]
Correctly diagnosing the specific cause of hearing loss in an individual can provide information on prognosis and is essential for accurate genetic counseling. The following is usually required: Family history. [consilieregenetica.org]
Etiology
Tourette syndrome associated with pervasive developmental disorder: Is there an etiological relationship? J. Multihand. Pers. 1: 281–291. Google Scholar Sverd, J. (1991). [link.springer.com]
Epidemiology, etiology, and genetic patterns. In: Gorlin R, Toriello H, Cohen M, eds. Hereditary hearing loss and its syndromes. Oxford: Oxford University Press, 1995 : 9 -21. ↵ Davis A. Prevalence of hearing impairment. In: Davis A, ed. [jmg.bmj.com]
Prevention of Secondary Complications Regardless of its etiology, uncorrected hearing loss has consistent sequelae. [ncbi.nlm.nih.gov]
Genetics Evaluation Guidelines for the Etiologic Diagnosis of Congenital Hearing Loss. Genetic Evaluation of Congenital Hearing Loss Expert Panel. ACMG statement. Genet Med. 2002;4(3):162–71. [bmcmedgenet.biomedcentral.com]
Epidemiology
Authored by 60 internationally recognized researchers, the book describes the normal development of the ear, updates the classification and epidemiology of hearing loss, and surveys the usage of audiometric tests and diagnostic medical examinations. [books.google.com]
Chapters on epidemiology, embryology, non-syndromic hearing loss, and syndromic forms of hearing loss have all been updated with particular attention to the vast amount of new information on molecular mechanisms, and chapters on clinical and molecular [books.google.it]
Spinocerebellar degenerations in Japan: anationwide epidemiological and clinicalstudy. [myslide.es]
Pathophysiology
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]
Identification of the disease gene will be of major importance in understanding the pathophysiology of hearing impairment. [jmg.bmj.com]
We conducted cross-sectional analyses of baseline data in relation to estimated years from expected symptom onset in order to determine the relative order and magnitude of pathophysiological changes. [uptodate.com]
"Further research is also needed to define how the presenilin variants might modify brain development and how these neurodevelopmental changes may or may not be related to present or future pathophysiological changes associated with the predisposition [naccme.com]
Bardet-Biedl syndrome: Genetics, molecular pathophysiology, and disease management. Indian J Ophthalmol. 2016;64(9):620-7. Radtke ND, Aramant RB, Seiler MJ, Petry HM, Pidwell D. [rarediseases.org]
Prevention
The practical implication is obviously that this represents a time during which treatments, once they become available, can be applied to prevent/delay the onset of neurodegeneration." [naccme.com]
Current statistics can be found on the Early Hearing Detection & Intervention (EHDI) Program Web site published by the Centers for Disease Control and Prevention. [emedicine.medscape.com]
Journal of Neuroscience 26 (43), 10939-10948, 2006 254 2006 Autosomal-dominant Alzheimer's disease: a review and proposal for the prevention of Alzheimer's disease RJ Bateman, PS Aisen, B De Strooper, NC Fox, CA Lemere, JM Ringman, ... [scholar.google.pl]
[…] as early as possible to prevent irreversible sequelae. [ncbi.nlm.nih.gov]
[…] but not sufficient to prevent eventual hearing loss. [consilieregenetica.org]