Diseases & Conditions


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Barakat Syndrome


Synonyms of Barakat Syndrome
  • HDR syndrome
  • Hypoparathyroidism, sensorineural deafness, and renal disease
  • Nephrosis, nerve deafness, and hypoparathyroidism

Disorder Subdivisions



    General Discussion
    Barakat syndrome is a rare genetic disorder with clinical diversity, characterized by hypoparathyroidism (decreased function of the parathyroid glands which are small endocrine glands in the neck whose main function is to maintain the body calcium level), nerve deafness and kidney disease. Patients may present with hypocalcaemia, involuntary contraction of muscles (tetany), or afebrile convulsions at any age. Hearing loss is usually bilateral and may range from mild to profound impairment. Reported kidney abnormalities include nephrotic syndrome (kidney damage resulting in loss of large amounts of protein in the urine), chronic kidney disease, hematuria (blood in the urine), proteinuria (increased protein excretion in the urine), and various congenital kidney anomalies including cystic kidney, renal dysplasia (disorganized kidney tissue), hypoplasia (abnormally small kidney) or aplasia (absence of kidney), and urologic abnormalities such as pevicalyceal deformity and vesicoureteral reflux.

    Organizations related to Barakat Syndrome
    • American Society for Deaf Children
      PO Box 3355
      Gettysburg PA 17325
      Phone #: 800-942-6084
      800 #: 800-942-2732
      e-mail: ASDC1@aol.com
      Home page: http://www.deafchildren.org
    • Madisons Foundation
      PO Box 241956
      Los Angeles CA 90024
      Phone #: 310-264-0826
      800 #: N/A
      e-mail: getinfo@madisonsfoundation.org
      Home page: http://www.madisonsfoundation.org
    • National Association of the Deaf
      814 Thayer Avenue
      Silver Spring MD 20910-4500
      Phone #: 301-587-1788
      800 #: --
      e-mail: NADinfo@nad.org
      Home page: http://www.nad.org
    • National Kidney Foundation
      30 East 33rd Street
      New York NY 10016
      Phone #: 212-889-2210
      800 #: 800-622-9010
      e-mail: info@kidney.org
      Home page: http://www.kidney.org



    For a Complete Report

    This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html