Presentation
Action and postural tremors were present in both upper limbs more distally, but there were no intention tremors. Myoclonus of the upper limbs and axial musculature was present that was provoked by exposure to torch light and loud clap. [annalsofian.org]
Usually, myoclonic tremor is the presenting symptom, characterized by tremulous finger movements and myoclonic jerks of the limbs increased by action and posture. In a minority of patients, seizures are the presenting symptom. [uniprot.org]
We present a new family with suggestion of linkage to chromosome 2p11.1-2q12.2 (lod score value, 1.55). [ncbi.nlm.nih.gov]
Jerk-locked back-averaging confirms CT; typical giants SEPs and enhanced C-reflex are presents. Molecular-genetic analysis excluded a linkage to chromosome 8q24 and suggests a linkage to chromosome 2p11.1-q12.2. [moh-it.pure.elsevier.com]
Psychiatrical
- Dyslexia
Learning disability: An abnormal condition affecting children of normal or above-average intelligence, characterized by difficulty in learning fundamentals such as reading (dyslexia), writing (dysgraphia), and math (dyscalculia). [childneurologyfoundation.org]
Workup
[…] caffeine, etc.), hepatotoxic medications, respiratory depressants, corticosteroids, amiodarone, acyclovir, bismuth, thallium, L-dopa Associated with systemic illness: Dialysis, renal failure, liver failure, pulmonary disease, carbon dioxide intoxication Workup [endoflifecare.tripod.com]
EEG
- Photoparoxysmal Response
Response 3 progressive myoclonus epilepsy + Spastic Paraplegia with Myoclonic Epilepsy [rgd.mcw.edu]
Photoparoxysmal responses (PPR) were noted in 18 (95%) patients with BAFME but 1 (10%) with EGTCS. CONCLUSION: Faster frequency of GSW, compared with that in EGTCS, accompanied by PPR may be characteristic EEG features of BAFME. [ncbi.nlm.nih.gov]
Generalized paroxysmal abnormalities were found in all cases, whereas a photoparoxysmal response was observed in two. JLA showed a positive–negative spike or a series of wavelets related to myoclonus on the contralateral sensorimotor regions. [onlinelibrary.wiley.com]
Generalized epileptiform discharges were recorded in 25% of cases, and a photoparoxysmal response in 31%. [cris.unibo.it]
Photoparoxysmal responses (PPR) were noted in 18 (95%) patients with BAFME but 1 (10%) with EGTCS. Faster frequency of GSW, compared with that in EGTCS, accompanied by PPR may be characteristic EEG features of BAFME. [uoeh-neurology.org]
- Generalized Polyspikes
The EEG shows generalized polyspike and spike-and-wave discharges, frequently precipitated by photic stimulation. [clinicalgate.com]
Bursts of generalized polyspikes and waves (multiple spike-and-slow-wave complexes) may also be seen, [30] especially during sleep and in syndromes with older age of onset. [reference.medscape.com]
Generalized polyspike wave discharges (in 1 of 36 [3%]) or irregular, generalized, frontally maximal sharp wave discharges (in 1 of 36 [3%]) were seen. [jamanetwork.com]
The EEG may be normal at the time of the initial febrile seizures, but when the myoclonus starts, generalized spike-and-wave or polyspike-and-wave discharges occur. [euroformhealthcare.biz]
- Spike-and-Slow-Waves
37. Childhood onset (peak 4–7 years). Various generalized and focal seizures. Cognitive deterioration and behavioral disturbances. EEG with continuous spike and slow wave seen in at least 85% of slow-wave sleep. Characterized by a hallmark [slideshare.net]
We got the EEG record in three affected members, and all of them showed paroxysm of sharp and slow wave in the posterior leads, with generalized spike and slow wave discharges on IPS. [annalsofian.org]
In the cryptogenic or symptomatic generalized epilepsies, absence seizures are often associated with slow spike-wave complexes of 1.5-2.5 Hz [5] ; these are also called sharp-and-slow-wave complexes. [reference.medscape.com]
Slow spike and wave of Lennox-Gastaut syndrome (LGS). Thirty-six-year-old man with LGS. Note the bilaterally synchronous 1.5- to 2-Hz spike-and-wave discharges. Fig. 9. Slow spike and wave with fast activity in sleep. Eleven-year-om gm with LGS. [euroformhealthcare.biz]
- Generalized Spike-and-Slow-Waves
We got the EEG record in three affected members, and all of them showed paroxysm of sharp and slow wave in the posterior leads, with generalized spike and slow wave discharges on IPS. [annalsofian.org]
37. Childhood onset (peak 4–7 years). Various generalized and focal seizures. Cognitive deterioration and behavioral disturbances. EEG with continuous spike and slow wave seen in at least 85% of slow-wave sleep. Characterized by a hallmark [slideshare.net]
- 3-4 Hz Spikes
Typical absence seizures have generalized 3-Hz spike-and-wave complexes (see image below). EEG of a typical absence seizure with 3-Hz spike-and-wave discharges. [reference.medscape.com]
Her EEG showed 3–4 Hz spike and wave discharges. She had a daughter with childhood absence epilepsy, and two sisters and a cousin with seizures (fig 2 ⇓, family 1). [jnnp.bmj.com]
Treatment
The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment. [orpha.net]
Each chapter includes diagnostic and treatment algorithms to guide practitioners in clinical decision making. [books.google.com]
Valproates were markedly effective for its treatment. I proposed the new term "benign adult familial myoclonic epilepsy (BAFME)" for this disease. [ci.nii.ac.jp]
Some of the services we provide include: • Brachial Plexus Palsy treatment • Cerebral Palsy treatment • Epilepsy treatment • General Neurology treatment • Movement Disorders treatment • Neurofibromatosis Center treatment • Stroke treatment • Tuberous [neuro.wustl.edu]
Prognosis
An epileptic disorder characterized by a cluster of signs and symptoms customarily occurring together; these include type of seizure, etiology, anatomy, precipitating factors, age of onset, severity, chronicity, diurnal and circadian cycling and prognosis [slideshare.net]
The most important indicator of prognosis is tumor stage. [mycancergenome.org]
Prognosis BAFME has no effect on life expectancy. With successful treatment, patients are often relieved from their symptoms. The documents contained in this web site are presented for information purposes only. [orpha.net]
Although there are advances in therapy and research in Doose Syndrome, prognosis and outcome tends to be unpredictable and varied. Prognosis is more likely to be unfavourable in children who have generalised tonic clonic seizures from the outset. [epilepsyqueensland.com.au]
The prognosis is worse if the spasms are either symptomatic or cryptogenic. [euroformhealthcare.biz]
Etiology
We conclude that the etiology of BAFME remains to be solved, and further genetic studies, which may require analysis in non-coding regions of a gene, introns or intergenic spacer regions, are necessary to reveal its unknown mutations. [ncbi.nlm.nih.gov]
The world’s foremost experts describe the phenotypes and subtypes of myoclonic epilepsies and the underlying molecular defects and summarize cutting-edge advances in molecular genetics that shed new light on the etiologies of these syndromes. [books.google.com]
Chapters include sections on clinical phenomenology, etiology and pathogenesis and therapy. There are also on-line resources for clinicians and patients to refer to as well. [books.google.it]
Applicable To Drug-induced myoclonus Palatal myoclonus Use Additional Use Additional Help Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. [icd10data.com]
Epidemiology
Summary Epidemiology Worldwide prevalence is unknown but an estimated prevalence of 1/35,000 was reported in Japan. [orpha.net]
From basic mechanisms and epidemiology, through diagnosis and therapy, to quality of life issues, the new edition of this established reference covers every aspect of childhood epilepsy and will continue to be the definitive core text for all professionals [books.google.de]
Epidemiology [ edit ] PME accounts for less than 1% of epilepsy cases at specialist centres. [ citation needed ] The incidence and prevalence of PME is unknown, but there are considerable geography and ethnic variations amongst the specific genetic disorders [en.wikipedia.org]
Epidemiology, Classification, and Etiology Epidemiologic studies consistently document an increased incidence of seizure disorders in older adults and suggest that aging is a definite risk factor. 3 In the United States, the annual incidence of seizures [aafp.org]
We aimed to delineate detailed epidemiological backgrounds in patients with Japanese BAFME and to establish diagnostic criteria based on clinical and electrophysiological findings. [read.qxmd.com]
Pathophysiology
Hyperkinetic Movement Disorders the latest edition to the Contemporary Neurology Series, will cover the signs, the pathophysiology, the genetics (where applicable), and the treatment options of each form of hyperkinetic movement disorder. [books.google.it]
This book discusses the pathophysiology of tremor including membrane mechanisms and rodent models, the advances in genetics and the musculoskeletal models pertinent to body oscillations. [books.google.com]
Thus far, the pathophysiology of this condition remains speculative. [onlinelibrary.wiley.com]
Prevention
Genetic causes are not directly preventable. Causes are more often preventable as the infant or young child grows older. [childneurologyfoundation.org]
AEDs are used to prevent recurrent seizures. [stlukes-stl.com]
Keep stairs blocked off as much as possible to prevent children from falling down. Children with controlled epilepsy may still ride a bicycle, however they should wear protective gear at all times and never bike alone. [know-the-ada.com]
Successful treatment with adrenocorticotropic hormone (ACTH) or vigabatrin can prevent further developmental regression. Many children develop other seizure types and go on to have Lennox-Gastaut syndrome (see information below). Dravet syndrome. [epilepsyfoundationmn.org]
This prevents rebound seizures that commonly occur with abrupt propofol discontinuation. [enotes.tripod.com]