Myoclonic epilepsy with ragged-red fibers
עודכן לאחרונה 20 Apr 2021
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Myoclonic epilepsy with ragged-red fibers (MERRF) is a disorder that affects many parts of the body, particularly the muscles and nervous system. In most cases, the signs and symptoms of this disorder appear during childhood or adolescence. The features of MERRF vary widely among affected individuals, even among members of the same family.
תיאור
Myoclonic epilepsy with ragged-red fibers (MERRF) is a disorder that affects many parts of the body, particularly the muscles and nervous system. In most cases, the signs and symptoms of this disorder appear during childhood or adolescence. The features of MERRF vary widely among affected individuals, even among members of the same family.
MERRF is characterised by muscle twitches (myoclonus), weakness (myopathy), and progressive stiffness (spasticity). When the muscle cells of affected individuals are stained and viewed under a microscope, these cells usually appear abnormal. These abnormal muscle cells are called ragged-red fibers. Other features of MERRF include recurrent seizures (epilepsy), difficulty coordinating movements (ataxia), a loss of sensation in the extremities (peripheral neuropathy), and slow deterioration of intellectual function (dementia). People with this condition may also develop hearing loss or optic atrophy, which is the degeneration (atrophy) of nerve cells that carry visual information from the eyes to the brain. Affected individuals sometimes have short stature and a form of heart disease known as cardiomyopathy. Less commonly, people with MERRF develop fatty tumours, called lipomas, just under the surface of the skin.
Inheritance patterns
The source lists the following possible inheritance patterns: mitochondrial. More than one pattern can apply in different cases.
Related genes
Other names
Fukuhara disease
MERRF
MERRF syndrome
Myoclonic epilepsy associated with ragged-red fibers
Myoencephalopathy ragged-red fiber disease
Related patient information and medicines
Patient information leaflet
סוגי פרכוסים
A seizure is a short episode of symptoms caused by a burst of abnormal electrical activity in the brain. Typically, a seiz... There are various types of generalised seizure: Tonic-clonic seizures (which used to be called grand mal seizures) are the most common type of generalised seizure. They are more common in children than in adults. Myoclonic.
Patient information leaflet
מרשמים בחינם או בעלות מופחתת
Certain people can get an exemption certific... Also, anyone needing regular prescriptions may save money by buying a Prescription Prepayment Certificate. Note : this leaflet only applies to England בגלל prescriptions are free to all in Northern Ireland, Scotland and Wales. It also only gives a brief summary of free or reduced cost.
Patient information leaflet
האם אני יכול לקחת שמן נר הלילה וויטמין C יחד?
If you have any underlying health conditions or are taking prescribed medications (especially blood thinners or epilepsy medication), consult your pharmacist or doc... Important precautions אפילפסיה or Schizophrenia Evening primrose oil may increase the risk of seizures, particularly in people with a history of אפילפסיה or those taking.
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האם אני יכול לקחת אמלודיפין ותוספי סיבים יחד?
Taking fibre supplements at the same time as amlodipine may slightly lower the amount of medicine your body absorbs. U... Our בודק אינטראקציות בין תרופות helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do.
Patient information leaflet
אפילפסיה
About 1 in 30 people in the UK develop epilepsy at some stage in their lives. However, epilepsy can begin at any age. What is epilepsy. Epilepsy is a long-lasting brain condition that causes people to have repeated seizures. It can cause different symptoms, from someone becoming unconscious and shaking, to someone behaving unusually for a short.
Patient information leaflet
האם אני יכול לקחת תוספי סיבים וריבלסוס יחד?
Taking fibre supplements at the same time as Rybelsus may prevent your body from absorbing the medication properly, making it less effective at controlling your blood sugar levels. Why this happens Rybelsus (semaglutide) is a very sensitive tablet that must be absorbed through the stomach lining. Fibre supplements can bulk up the stomach contents.
קריאה נוספת והפניות
- Myoclonic epilepsy with ragged-red fibers; MedlinePlus, National Library of Medicine.
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- Velez-Bartolomei F, Lee C, Enns G. MERRF. 2003 Jun 3 [updated 2021 Jan 7]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1520/
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