Myoclonic Epilepsy associated with Ragged Red Fibers
MERRF

 Contact us
 
Return to database




Prevalence (%) of clinical parameters based on data from 3 references describing 17 individuals







Add new symptom/sign to this disease

Select symptom from list or write it in the box
 Pubmed id number as a reference Organ system affected
Number of patients in the reference Percent affected patients (Between 0 and 1, eg. 0.1 = 10%)
Please provide your name and contact information as a reference
Name Institute Phone number Email address


List of symptoms



Symptom/sign Organ system Percent affected Pubmed id Added on(yyyy-mm-dd) Edit/add reference
Myoclonus nervous 100 % 21303704 2011-10-18
Seizures nervous 100 % 21303704 2011-10-04
Myopathy skeletal 100 % 3922281 2012-01-11
Hearing loss nervous 100 % 3922281 2012-01-11
Myoclonus nervous 100 % 11850598 2011-10-04
Seizures nervous 100 % 11850598 2011-10-04
Ataxia nervous 100 % 11850598 2011-10-04
Dysarthria nervous 100 % 11850598 2011-10-04
Ataxia nervous 83 % 21303704 2011-10-04
Muscle weakness skeletal 83 % 21303704 2011-10-04
Lactate accumulation circulatory 83 % 21303704 2011-10-04
Increased blood CK skeletal 83 % 21303704 2011-10-04
Cerebral atrophy nervous 66 % 21303704 2012-07-27
Cerebellar atrophy nervous 66 % 21303704 2012-07-27
Myoclonus nervous 57 % 3922281 2012-01-11
Neuropathy nervous 50 % 21303704 2011-10-04
Myopathy skeletal 50 % 11850598 2011-10-04
Hearing loss nervous 50 % 11850598 2011-10-04
Ataxia nervous 43 % 3922281 2012-01-11
Multiple lipomas integumentary 33 % 21303704 2011-10-04
Headache nervous 33 % 21303704 2011-10-04
Vomiting digestive 33 % 21303704 2011-10-04
Dementia nervous 33 % 21303704 2011-10-04
Ptosis nervous 33 % 21303704 2011-10-04
Ophthalmoplegia nervous 33 % 21303704 2011-10-04
Lactate accumulation multi 29 % 3922281 2012-01-11
Hyperactive reflexes nervous 29 % 3922281 2012-01-11
Exercise intolerance skeletal 17 % 21303704 2011-10-04
Dementia nervous 14 % 3922281 2012-01-11
Mental retardation nervous 14 % 3922281 2012-01-11
Hypoventilation respiratory 14 % 3922281 2012-01-11
Short stature multi 14 % 3922281 2012-01-11
Dysarthria nervous 14 % 3922281 2012-01-11
Muscle weakness skeletal 14 % 3922281 2012-01-11
Babinski's sign nervous 14 % 3922281 2012-01-11
Headache nervous 14 % 3922281 2012-01-11



List of references:


MERRF: Clinical features, muscle biopsy and molecular genetics in Brazilian patients.
Paulo José Lorenzoni, Rosana H Scola, Cláudia S Kamoi Kay, Raquel C Arndt, Carlos E Silvado, Lineu C Werneck,



Mitochondrion - May 2011



Maternally inherited mitochondrial myopathy and myoclonic epilepsy.
H S Rosing, L C Hopkins, D C Wallace, C M Epstein, K Weidenheim,



Annals of neurology - Mar 1985



Histochemical and molecular genetic study of MELAS and MERRF in Korean patients.
Dae Seong Kim, Dae Soo Jung, Kyu Hyun Park, In Joo Kim, Cheol Min Kim, Won Ho Lee, Soon Ki Rho,



Journal of Korean medical science - Feb 2002