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Query: UMLS:C0038220 (status epilepticus)
 7,272 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The pathogenesis of mesial temporal lobe epilepsy (MTLE), the most prevalent form of refractory focal epilepsy in adults, is thought to begin in early life, even though seizures may not commence until adolescence or adulthood. Amongst the range of early life factors implicated in MTLE causation (febrile seizures, traumatic brain injury, etc.), stress may be one important contributor. Early life stress is an a priori agent deserving study because of the large amount of neuroscientific data showing enduring effects on structure and function in hippocampus and amygdala, the key structures involved in MTLE. An emerging body of evidence directly tests hypotheses concerning early life stress and limbic epilepsy: early life stressors, such as maternal separation, have been shown to aggravate epileptogenesis in both status epilepticus and kindling models of limbic epilepsy. In addition to elucidating its influence on limbic epileptogenesis itself, the study of early life stress has the potential to shed light on the psychiatric disorder that accompanies MTLE. For many years, psychiatric comorbidity was viewed as an effect of epilepsy, mediated psychologically and/or neurobiologically. An alternative - or complementary - perspective is that of shared causation. Early life stress, implicated in the pathogenesis of several psychiatric disorders, may be one such causal factor. This paper aims to critically review the body of experimental evidence linking early life stress and epilepsy; to discuss the direct studies examining early life stress effects in current models of limbic seizures/epilepsy; and to suggest priorities for future research.
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PMID:Early life stress as an influence on limbic epilepsy: an hypothesis whose time has come? 1983 25

Clarithromycin is a relatively new antibiotic of the macrolide family heralded for an improved side effect profile, dosing schedule, and microbiological activity relative to its parent compound, erythromycin. We review the literature on clarithromycin-induced neurotoxicity in adults and present an illustrative case. A total of 38 patients with clarithromycin-induced neurotoxicity have been reported. The average age of patients was 51.3 years (range: 19-87 years) with females comprising 52.6% of patients. Psychiatric illness was the most common comorbidity, while only two patients had renal failure. Clarithromycin had been prescribed for respiratory infections in most patients, and only two patients were receiving more than 1000 mg/day of antibiotic. The symptoms started 1 day to 10 days after starting clarithromycin (mean: 5 days). A total of 71% of patients were under treatment with concomitant medication, and eight patients were undergoing treatment with psychoactive drugs. Patients had a very good outcome after clarithromycin was discontinued, but medication with neuroleptics or benzodiazepine was required for 58% of patients in the acute phase. Only four patients underwent an electroencephalogram (EEG). Our illustrative patient was a 74-year-old woman with clarithromycin-induced delirium due to non-convulsive status epilepticus (NCSE). Her clinical symptoms and electroencephalogram (EEG) readings dramatically improved after discontinuation of clarithromycin. The mechanism underlying the central nervous system side effects remains unclear. We suggest including an EEG in the diagnostic procedures of patients under treatment with clarithromycin who develop features of neurotoxicity because an EEG can help to differentiate patients with psychiatric illness from those with encephalopathy or epilepsy. Because of the widespread use of clarithromycin, clinicians should be aware of its neurotoxicity. Early detection of clarithromycin-induced neurotoxicity and discontinuation of the drug may result in full recovery.
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PMID:Clarithromycin-induced neurotoxicity in adults. 2126 33

Complex partial status epilepticus of frontal origin can manifest as nonconvulsive behavioral symptoms that mimic psychiatric illness and, thus, may elude timely diagnosis. The diagnosis can be further delayed by absence of ictal activity on scalp electroencephalography when the ictal origin is orbitofrontal or mesial frontal. We describe the case of a 51-year-old woman with clinically subtle complex partial status epilepticus of left orbitofrontal origin, lacking any clear ictal pattern on the electroencephalogram, who was finally diagnosed using positron emission tomography with [(18)F]fluorodeoxyglucose (FDG-PET). Subsequent FDG-PET following 5 days of oxcarbazepine therapy demonstrated resolution of the left orbitofrontal hypermetabolic focus. FDG-PET is a potentially useful modality for diagnosing nonconvulsive status epilepticus that is not evident on electroencephalography.
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PMID:FDG-PET in the diagnosis of complex partial status epilepticus originating from the frontal lobe. 2255 79

Psychiatric disorders are fairly common comorbidities of epilepsy in humans. Following pilocarpine-induced status epilepticus (SE), experimental animals not only developed spontaneous recurrent seizures, but also exhibited significantly elevated levels of aggressive behavior. The cellular and molecular mechanism triggering these behavioral alterations remains unclear. In the present study, we found that aggression is positively correlated with development of spontaneous seizures. Treatment with rapamycin, a potent mTOR (mammalian target of rapamycin pathway)-pathway inhibitor, markedly diminished aggressive behavior. Therefore, the mTOR pathway may have significance in the underlying molecular mechanism leading to aggression associated with epilepsy.
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PMID:Rapamycin attenuates aggressive behavior in a rat model of pilocarpine-induced epilepsy. 2252 71

Depression as well as fear, joy and anger have been described as the semiological features of focal epileptic seizures. When emotions present as the sole symptoms of epileptic seizures, they may easily be misdiagnosed as a psychiatric disorder. We describe a patient with affective focal status epilepticus, secondary to limbic encephalitis, in which depression was the only clinical manifestation. Through EEG correlates the epileptic nature of depression could be proven. Furthermore, we discuss the association between epilepsy and depression, as well as the link between ictal depression and suicidal rates.
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PMID:Severe depression as the sole symptom of affective focal status epilepticus. 2482 45

Most patients with tuberous sclerosis complex (TSC) suffer from epilepsy, and many have cognitive and behavioral problems like severe intellectual disability, autism, and hyperactivity. Only rare patients with TSC and autism have a normal intelligence quotient. We report a 13-year-old girl with definite TSC who had early-onset severe epilepsy, autistic behavior, and moderate developmental delay. By school age, however, she had normal intelligence; her intelligence quotient was at least 70 based on a Stanford-Binet test that she refused to complete. She showed good reading, writing, and language comprehension skills, and the special abilities of hyperlexia, hypermnesia, and hypercalculia. However, she did not speak. Criteria of the Diagnostic and Statistical Manual of Mental Disorders, 4th edition, and her Childhood Autism Rating Scale score of 36 indicated mild to moderate autism. She had severe electroencephalographic abnormalities: hypsarrhythmia, multifocal or generalized epileptiform discharges, and electrical status epilepticus during sleep, with a continuous left temporal focus. Magnetic resonance imaging showed many cortical tubers in all brain lobes, and subependymal nodules. We discuss possible explanations for her lack of speech. Considered as speech apraxia, her mutism could be either a symptom of her TSC or a component of her autism. Another possibility is that long-lasting electrical status epilepticus during sleep led to her autistic behavior and language arrest. Still another possibility is that a disinhibited mammalian target of rapamycin (mTOR) pathway was at the root of all of her neuropsychiatric symptoms.
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PMID:A girl with tuberous sclerosis complex presenting with severe epilepsy and electrical status epilepticus during sleep, and with high-functioning autism and mutism. 2496 9

Psychogenic nonepileptic seizures (PNES) can present emergently and are often mistaken for epileptic seizures. PNES emergencies have not been well studied, and yet there are associated serious morbidities, particularly when patients are seen in an emergency setting and are misdiagnosed. PNES may be prolonged, mimicking status epilepticus, a condition we refer to as nonepileptic psychogenic status (NEPS), and patients may receive aggressive and unnecessary medical treatments that can lead to serious iatrogenic complications, including death. NEPS is also associated with an increased risk of self-harm, including suicide attempts, and may indicate a serious comorbid psychiatric illness. In addition to iatrogenic complications of PNES, accidents and injuries are an underrecognized source of morbidity. PNES may also present during medical procedures, which may not only interfere with their completion, but may alarm practitioners who, fearing liability, may initiate further medical evaluations and treatments. When PNES occur during pregnancy, patients may be misdiagnosed with eclampsia and their offspring delivered prematurely. They also risk being placed on medications that are harmful to the fetus. Increased awareness of PNES is necessary to prevent iatrogenic harm and to identify underlying psychiatric illnesses that carry their own risks. As yet, data available to guide treatment are scant, and further study is needed.
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PMID:A clinically oriented perspective on psychogenic nonepileptic seizure-related emergencies. 2578 Feb 65

Electroconvulsive therapy (ECT) is one of the oldest and best treatments for severe mental illness. A safe and highly effective option for treatment-resistant mood disorders, ECT can be a lifesaving treatment for people suffering from catatonia and acute suicidality. Less recognized are the benefits of ECT in the treatment of primary psychotic disorders, Parkinson's disease, and status epilepticus. Evidence from multisite clinical trials in the past decade shows an evolving standard for the delivery of ECT to achieve and maintain remission and quality of life. Today, the optimal practice of ECT is defined by evidence-based treatment planning, including patient selection, choice of electrode placement and stimulus parameters, augmentation with pharmacotherapy, and the use of continuation/maintenance treatment. Research into biomarkers and neuroplasticity related to ECT response, as well as new investigational methods of delivering ECT, provide a glimpse into the future of this time-tested treatment. [Journal of Psychosocial Nursing and Mental Health Services, 54 (12), 39-43.].
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PMID:Charting the Course of Electroconvulsive Therapy: Where Have We Been and Where Are We Headed? 2800 Dec 86

Nonconvulsive seizures, which are a common form of epileptic attack, are often misdiagnosed as psychological disorder. This is especially true of frontal complex partial seizures (accurately described in childhood only recently) and nonconvulsive status epilepticus. Two recent series of children with these conditions are described mainly from the point of view of the difficulties encountered in recognising such seizures. These difficulties arise from physicians' limited awareness of these forms of epilepsy but also from the unusual clinical manifestations (in the case of frontal complex partial seizures) and the variable clinical picture in children with nonconvulsive status epilepticus. Pointers to the recognition of these conditions are given with brief discussion of their treatment and prognosis. It is argued that psychiatrists (and other physicians) need to be more familiar with these nonconvulsive types of epilepsy.
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PMID:Types of childhood epilepsy misdiagnosed as psychiatric disorder. 2987 46

Epilepsy is a neurological disorder characterized by recurrent and unpredictable interruptions of normal brain function, that implies neurobiologic, psychological, and social consequences. Non-convulsive status epilepticus (NCSE) is an electro-clinical state associated to altered level of consciousness. In NCSE could occur the behavioural and emotional disorder, cognitive impairment and psychiatric disorder with a negative impact on quality of life and adaptive social behaviours. Cognitive rehabilitation for epileptic patients may include internal compensation strategies, external memory aids, psychoeducation, verbal and visual memory training, attention exercise and executive functions. We described the cognitive rehabilitation in a patient with NCSE characterized by an unusual cognitive impairment. A 55-year-old female patient, with epileptic seizures presented a severe impairment in cognitive function and focal neurological deficit. The cognitive treatment was designed as a combination of direct training of the impaired functions and metacognitive training to facilitate the development of compensatory strategies and it was divided into three methods. Neuropsychological evaluation showed a progressive deficit of high cognitive functions. The patient after cognitive rehabilitation, demonstrated a significant recovery of motor abilities, despite the neuro-cognitive profile was abnormal. Several advances have been made in this field but few studies on neuropsychological rehabilitation in adult patients with NCSE have been conducted and no standardized protocol or clinical guidelines are still available.
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PMID:Effects of cognitive and motor rehabilitation in non-convulsive status epilepticus: A case report. 2990 18


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