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Kearns-Sayre Syndrome

Kearns-Sayre Syndrome: Introduction

Kearns-Sayre Syndrome: Kearns-Sayre syndrome (KSS) is a rare neuromuscular disorder with onset usually before the age of 20. It is characterized by progressive external ... more about Kearns-Sayre Syndrome.

Kearns-Sayre Syndrome: A rare neuromuscular disorder characterized by pigmented deposits on the retina, heart disease and progressive paralysis of some eye muscles. More detailed information about the symptoms, causes, and treatments of Kearns-Sayre Syndrome is available below.

Symptoms of Kearns-Sayre Syndrome

Treatments for Kearns-Sayre Syndrome

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Kearns-Sayre Syndrome: Related Patient Stories

Kearns-Sayre Syndrome: Complications

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Causes of Kearns-Sayre Syndrome

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Disease Topics Related To Kearns-Sayre Syndrome

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Kearns-Sayre Syndrome: Undiagnosed Conditions

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Evidence Based Medicine Research for Kearns-Sayre Syndrome

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Kearns-Sayre Syndrome: Animations

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Statistics for Kearns-Sayre Syndrome

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Article Excerpts about Kearns-Sayre Syndrome

Kearns-Sayre syndrome (KSS) is a rare neuromuscular disorder with onset usually before the age of 20. It is characterized by progressive external ophthalmoplegia (paralysis of the eye muscles) and mild skeletal muscle weakness. (Source: excerpt from NINDS Kearns-Sayre Syndrome Information Page: NINDS)

Definitions of Kearns-Sayre Syndrome:

A mitochondrial disorder featuring the triad of chronic progressive EXTERNAL OPHTHALMOPLEGIA, cardiomyopathy (CARDIOMYOPATHIES) with conduction block (HEART BLOCK), and RETINITIS PIGMENTOSA. Disease onset is in the first or second decade. Elevated CSF protein, sensorineural deafness, seizures, and pyramidal signs may also be present. Ragged-red fibers are found on muscle biopsy. (Adams et al., Principles of Neurology, 6th ed, p984) - (Source - Diseases Database)

Kearns-Sayre Syndrome is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Kearns-Sayre Syndrome, or a subtype of Kearns-Sayre Syndrome, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Kearns-Sayre Syndrome as a "rare disease".
Source - Orphanet


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