Video/EEG monitoring in the evaluation of paroxysmal behavioral events: Duration, effectiveness, and limitations

Lobello, Kasia; Morgenlander, Joel C.; Radtke, Rodney A.; Bushnell, Cheryl

doi:10.1016/j.yebeh.2005.10.010

Cited by 73 publications

(51 citation statements)

References 22 publications

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“…In several retrospective analyses the majority (75-96%) of PNES occurred within the first 48 hours of VEEG (Friedman & Hirsch, 2009;Lobello et al, 2006;Parra et al, 1998;Perrin et al, 2010). This establishes a reasonable minimum of VEEG, but uncertainty remains about a sensible upper limit.…”

Section: Role In Diagnostic Workupmentioning

confidence: 97%

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A systematic review of suggestive seizure induction for the diagnosis of psychogenic nonepileptic seizures

Popkirov

Grönheit

Wellmer

2015

Seizure

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Suggestive seizure induction is a widely used method for diagnosing psychogenic nonepileptic seizures (PNES). Despite seven decades of multidisciplinary research, however, there is still no unified protocol, no definitive agreement on the ethical framework and no consensus on diagnostic utility. This systematic review surveys the evidence at hand and addresses clinically relevant aspects of suggestive seizure induction. In addition to its use for facilitating the diagnostic process, its mechanism of action and utility in elucidating the psychopathology of PNES will be discussed.

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Section: Role In Diagnostic Workupmentioning

confidence: 97%

“…The commonly recommended method for achieving this is telemetric long-term video-EEG-monitoring (VEEG) (Lobello et al, 2006;Romani et al, 1980). When long-term VEEG is unavailable, inconclusive or fails to record a spontaneous event, induction techniques are recommended to facilitate diagnosis (Benbadis, 2009, LaFrance et al, 2013.…”

Section: Introductionmentioning

confidence: 99%

A systematic review of suggestive seizure induction for the diagnosis of psychogenic nonepileptic seizures

Popkirov

Grönheit

Wellmer

2015

Seizure

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“…The duration has been reported to be longer for ES patients undergoing a presurgical workup (mean 3.5 days) versus PNES patients admitted for spell classification (2.4 or less days) (Lobello et al, 2006;Alving and Beniczky, 2009;Woollacott et al, 2010). However, it is not uncommon for VEM durations to go beyond 3 days.…”

Section: Introductionmentioning

confidence: 99%

How long is long enough? The utility of prolonged inpatient video EEG monitoring

et al. 2015

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“…A robust and replicated finding is that about 30% of patients seen at epilepsy centers for refractory seizures do not have epilepsy [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]. Remarkably, the proportion of patients misdiagnosed is also similar in patients diagnosed as having posttraumatic epilepsy [18], patients referred directly (without EEG-video monitoring) for vagus nerve stimulation [19] and in patients awarded a ‘seizure alert dog’ [20].…”

Section: Introductionmentioning

confidence: 99%

Errors in EEG Interpretation and Misdiagnosis of Epilepsy

2008

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Background/Aims: The overinterpretation of EEGs is common and is an important contributor to the misdiagnosis of epilepsy. We reviewed our experience in order to clarify which EEG patterns are commonly overread as epileptiform. Methods: We identified patients who were seen at our epilepsy clinic and were ultimately diagnosed as having conditions other than epilepsy. We selected those who had previously had an EEG read as showing epileptiform discharges and whose EEG was available for our own re-review. Results: 37 patients met the above criteria. Eventual diagnoses were psychogenic nonepileptic seizures (10), syncope (7), other miscellaneous diagnoses (5) and unexplained nonspecific symptoms (15). None of the EEGs had epileptiform discharges. The descriptions of the abnormalities included ‘temporal sharp waves’ in 30, ‘frontal sharp waves’ in 2 and ‘generalized spike-wave complexes’ in 2. Three had no reports available to identify the alleged abnormality. The benign patterns mistaken for temporal (30) and frontal (2) sharp waves were simple fluctuations of background activity with temporal phase reversals. Conclusions: By far the most common patterns overread as epileptiform are nonspecific fluctuations of background in the temporal regions, which are misread as temporal sharp waves.

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Video/EEG monitoring in the evaluation of paroxysmal behavioral events: Duration, effectiveness, and limitations

Cited by 73 publications

References 22 publications

A systematic review of suggestive seizure induction for the diagnosis of psychogenic nonepileptic seizures

A systematic review of suggestive seizure induction for the diagnosis of psychogenic nonepileptic seizures

How long is long enough? The utility of prolonged inpatient video EEG monitoring

Errors in EEG Interpretation and Misdiagnosis of Epilepsy

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