| Kearns Sayre Syndrome-Case Report with Review of Literature. | |
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MedLine Citation:
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PMID: 22231766 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Kearns-Sayre Syndrome is form of rare mitochondrial cytopathy, first described by Thomas P. Kearns and George Pomeroy Sayre in 1958 and is characterized by progressive external opthalmoplegia, cardiac conduction block, pigmentary retinal degeneration, variable number of red ragged fibers on muscle biopsy. It presents before the child reaches the age of twenty. Kearns-Sayre syndrome may affect many organ systems and additional features may include myopathy, dystonia, bulbar symptoms in the form of dysarthria and nasal regurgitation and bilateral facial weakness. Endocrine abnormalities (e.g., diabetes, growth retardation/short stature, and hypoparathyroidism), bilateral sensorineural deafness, dementia, cataracts, and proximal renal tubular acidosis, skeletal muscle weakness (proximal more than distal) and exercise intolerance are additional features. Kearns Sayre Syndrome occurs as a result of large-scale single deletions (or rearrangements) of mitochondrial DNA (mtDNA), which is usually not inherited but occurs spontaneously, probably at the germ-cell level or very early in embryonic development. No disease-modifying therapy is available for Kearns-Sayre syndrome (KSS). Management is supportive vigilance for detection of associated problems. In the future, potential treatment in patients with Kearns-Sayre syndrome may attempt to inhibit mutant mtDNA replication or encourage replication of wild-type mtDNA. |
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Authors:
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Meghana Phadke; M R Lokeshwar; Shraddha Bhutada; Chandralekha Tampi; Renu Saxena; Sudha Kohli; K N Shah |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-10 |
Journal Detail:
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Title: Indian journal of pediatrics Volume: - ISSN: 0973-7693 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0417442 Medline TA: Indian J Pediatr Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Pediatrics, Lilavati Hospital and Research Center, Mumbai, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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