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Query: UMLS:C0149958 (complex partial seizures)
 2,563 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Grand mal type of sequential spike discharges at 8-12 cps are rare as interseizure phenomena. When the grand mal component is prominent, it usually indicates a greater tendency for major convulsions. The case of a 15 year old girl who developed akinetic seizures along with her menarche and whose electroencephalogram showed recurring sharp waves at 10-11 cps, is reported, and its clinical significance discussed.
Clin Electroencephalogr 1979 Jul
PMID:"Grand mal type" of spike discharge as interseizure phenomenon. 11 38

The intravenous isotope method has been examined. The method uses 99Tc as the indicator with recording of the radioactivity with two gamma-dectors placed bilaterally over the skull and oriented over the bifurcation of the middle cerebral artery. 65% of the total curve obtained was found to be generated by activity passing in the ipsilateral internal carotid artery, 25% in the contralateral internal carotid artery and less than 10% by activity passing in the two external carotid arteries. The counting rate efficiency for an intracerebral location was 19.4 +/- 1.8 times the count rate from the same activity placed at 1 m distance in air which in turn was 5 cps/muCi. The variability in efficiency from patient to patient was thus estimated at +/- 9%. The duration of the input bolus had a marked influence on the vurve, which will be of importance since it showed a rather large variability from patient. Using the peak activity as an index of the cerebral blood flow the intravenous method showed a surprisingly good correlation with the 133Xe wash-out method; the correlation coefficient was 0.93 and the variability at slightly subnormal values estimated at +/- 15%. It is concluded that the method can be used in the case of limited demands on the accuracy of the cerebral blood flow determinations.
Scand J Clin Lab Invest 1977 May
PMID:The validity of an intravenous isotope method for cerebral blood flow measurements. An experimental study. 35 73

The etiology of sleepwalking is controversial, the theory that sleepwalking is an epilepsy-like symptom is mostly discounted. Electroencephalogram records, obtained by using sphenoidal needles, are presented as a useful technique and aid to etiological and topical diagnosis. A temporal focus of waves of 4-6 cps was recorded which was not found in the routine EEG procedures. The question is thus raised as to whether sleepwalking may be a result of a paroxysmal disorder in the temporal lobe.
Psychiatr Clin (Basel) 1978
PMID:Electroencephalogram with sphenoidal needles in sleepwalkers. 75 65

Total respiratory resistance (Rrs) was studied by the forced oscillation technique at a frequency of 3 cps in 76 normal subjects (36 men, 40 women), ages 21 to 64 years. Slopes (equivalent to specific conductance) assuming a linear relationship with zero intercept between 1/Rrs and thoracic gas volume (TGV) were computed. In women, expiratory slopes were significantly less than inspiratory slopes; moreover, slopes decreased significantly with height and were significantly less in current smokers. For men, there were no consistently significant relationships between slopes and phase, age, height, weight, or smoking habits. Predicted resistance and estimates of the 5th and 95th percentiles of inspiratory, expiratory, and average resistance are presented for all men combined and for currently nonsmoking women. The fact that, in contrast to men, asymptomatic, current women smokers showed an elevation in Rrs when compared to nonsmoking women merits further study.
Mayo Clin Proc 1976 Sep
PMID:Total respiratory resistance by forced oscillation in normal subjects. 95 90

Sphenoidal electrodes are used to localize epileptiform activity originating in the temporal lobe during complex partial seizures. Sphenoidal electrodes, however, are semi-invasive and uncomfortable to the patient. We compared skin electrodes placed on the cheek ("cheek electrodes") with sphenoidal electrodes for the detection of the side and site of complex partial seizure onset. In a masked, randomized comparison of single ictal recordings in 22 patients, there were no significant differences between sphenoidal and cheek electrode montages in detecting the side or site of ictal onset (P < 0.01). Signal/noise ratios for interictal spikes were a mean 16.5% greater at sphenoidal sites compared to cheek sites (paired t test, t = 2.4, P < 0.05). This difference, however, did not influence the detection of rhythmical ictal activity in cheek and sphenoidal montages in our study, nor the assignment of side, site or time of seizure onset by unbiased readers. Recordings from cheek electrodes are comparable to those from sphenoidal electrodes and are useful for localizing ictal activity.
Electroencephalogr Clin Neurophysiol 1992 Dec
PMID:Anterior "cheek" electrodes are comparable to sphenoidal electrodes for the identification of ictal activity. 128 Oct 78

The case of a patient with symptoms suggestive of a dissociative disorder is presented. The consultant reviews the diagnosis of multiple personality disorder (MPD) as defined in DSM-III-R and DSM-IV in relation to the patient's dissociative states, hallucinations, memory loss, and other symptoms. He then highlights the distinctions among MPD, schizophrenia, borderline personality disorder, major depression, and complex partial seizures. After presenting the conceptualization of MPD as a chronic posttraumatic stress disorder, he concludes with a review of treatment approaches that address the traumatic history and that involve hypnosis to gain access to and control dissociative states.
Bull Menninger Clin 1992
PMID:A case of probable dissociative disorder. 135 64

Ictal wave form characteristics--frequency, spatial distribution, and duration--were analyzed for 140 complex partial seizures recorded from epidural strip electrodes implanted in 28 patients. None had abnormalities on imaging studies. All had bilateral electrode placements, unilateral seizure onsets, temporal lobectomies, and were followed for a mean of 33 months postoperatively. Sixteen patients (57%) became free of complex partial seizures: 12 had reductions in seizure frequency of at least 50% but were not seizure-free. The only predictor of the seizure-free state was the presence of low voltage fast activity (LVF), in the alpha or beta ranges, localized to one gyrus. This phenomenon occurred in 14/16 seizure-free patients, 2/12 of others (P < 0.001). As seizures progressed, LVF typically increased in amplitude, propagated, and slowed into the theta range. Wave forms were classified into 8 categories based upon their frequency and morphology. Stepwise discriminant analysis of these wave forms, with consideration of whether they were localized or regional, revealed that both frequency and localization were critical for the post-surgical prognosis. The mere presence of a localized seizure onset was unreliable unless the wave form was taken into account. Well-localized rhythmic activity over 8 Hz at seizure onset from epidural subtemporal electrodes predicts surgical success. Slower rhythms imply greater separation in space and time from seizure onset.
Electroencephalogr Clin Neurophysiol 1992 Oct
PMID:Ictal EEG wave forms from epidural electrodes predictive of seizure control after temporal lobectomy. 138 44

Chronic stimulation of the vagus nerve does not seem to produce significant differences between high frequency and low frequency stimulation groups. Individuals within each group show significant changes between preoperative assessment and after 6-month stimulation. Some subjects showed significant improvement and some showed significant slowing of responses. Subjects who showed improvement are still considerably slower than normals, but all patients have a very long history of complex partial seizures and exposure to multiple medications. Larger homogeneous sample sizes are needed to delineate more clearly the correlation between cognitive performance, medication effects, and stimulation effects.
Pacing Clin Electrophysiol 1992 Oct
PMID:Cognitive motor function after electrical stimulation of the vagus nerve. 138 76

Quantitative measures of area of sway, total sway, and cognitive function failed to show significant differences in acute (50 minute) "ON-OFF-ON-OFF" studies of high frequency left vagal stimulation in three epileptic patients undergoing treatment for chronic complex partial seizures. Fluctuation in blood levels of anticonvulsants may have been associated with some clinical effects. There were no significant adverse effects of acute left vagal stimulation in these three subjects.
Pacing Clin Electrophysiol 1992 Oct
PMID:Acute effects of high frequency vagal nerve stimulation on balance and cognitive motor performance in epilepsy: three case study reports. 138 77

Spike analysis was performed to determine if surface sphenoidal electrodes were suitable substitutes for depth sphenoidal or anterior temporal electrodes in outpatient EEG recordings for the diagnosis of complex partial seizures of anterior temporal origin. Spike measurements consisted of spike detection rate, spike amplitude, and location of maximal amplitude spikes. Depth sphenoidal electrodes had the highest yield in these three measurements. Surface sphenoidal electrodes did not differ from anterior temporal electrodes in spike detection rate and spike amplitude, but the former recorded almost no maximal amplitude spikes, while the latter had approximately 30% of the maximal spikes. It is concluded that surface sphenoidal electrodes are slightly inferior to anterior temporal electrodes, but the differences between them are minimal for practical purposes in outpatient EEG recordings.
Clin Electroencephalogr 1992 Oct
PMID:Surface sphenoidal electrode for recording anterior temporal spikes. 139 57


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