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1.
Epilepsy Behav ; 73: 90-94, 2017 08.
Article in English | MEDLINE | ID: mdl-28623755

ABSTRACT

We examined the effects of adjunctive lacosamide (LCM) on mood and quality of life (QOL) in adult patients with partial-onset seizures in a prospective, controlled, single-blind study. Patients in whom LCM was added to their AED regimen for clinical indications comprised the LCM group (n=18), while the control group (n=32) comprised patients on ≥2 AEDs with anticipated stable dosing for the duration of the study. Profile of Mood States (POMS) and QOLIE-89 were used to assess mood and QOL at enrollment and 12-16weeks later. Adherence to LCM was measured electronically with the Medication Event Monitoring System (MEMS) and using a self-report measure. There were no significant between-group differences in age, AED load, side-effects (A-B Neurotoxicity Scale), MoCA mental status, or seizure-related factors. LCM adherence (measured by MEMS) was 70.7%. There was a significant decrease in negative mood states in the LCM group (estimated marginal mean at baseline=49.4, at follow-up=29.7; p=0.02), after controlling for seizure freedom. Based on previously reported benchmarks, clinically significant change on the POMS occurred in 7 (38%) LCM patients. The effect of LCM on the overall QOL was not significant (p=0.078). Correlation between POMS Total Mood Distress and Emotional-Wellbeing on the QOLIE-89 was significant (r=-0.783; p=0.01). These results suggest that LCM may have a favorable impact on mood.


Subject(s)
Acetamides/pharmacology , Affect/drug effects , Anticonvulsants/pharmacology , Epilepsy/drug therapy , Medication Adherence , Quality of Life , Acetamides/administration & dosage , Acetamides/adverse effects , Adult , Anticonvulsants/administration & dosage , Anticonvulsants/adverse effects , Female , Humans , Lacosamide , Male , Middle Aged , Prospective Studies , Single-Blind Method , Treatment Outcome
2.
Epilepsy Behav ; 32: 102-7, 2014 Mar.
Article in English | MEDLINE | ID: mdl-24531133

ABSTRACT

The intrarater and interrater reliability (I&IR) of EEG interpretation has significant implications for the value of EEG as a diagnostic tool. We measured both the intrarater reliability and the interrater reliability of EEG interpretation based on the interpretation of complete EEGs into standard diagnostic categories and rater confidence in their interpretations and investigated sources of variance in EEG interpretations. During two distinct time intervals, six board-certified clinical neurophysiologists classified 300 EEGs into one or more of seven diagnostic categories and assigned a subjective confidence to their interpretations. Each EEG was read by three readers. Each reader interpreted 150 unique studies, and 50 studies were re-interpreted to generate intrarater data. A generalizability study assessed the contribution of subjects, readers, and the interaction between subjects and readers to interpretation variance. Five of the six readers had a median confidence of ≥99%, and the upper quartile of confidence values was 100% for all six readers. Intrarater Cohen's kappa (κc) ranged from 0.33 to 0.73 with an aggregated value of 0.59. Cohen's kappa ranged from 0.29 to 0.62 for the 15 reader pairs, with an aggregated Fleiss kappa of 0.44 for interrater agreement. Cohen's kappa was not significantly different across rater pairs (chi-square=17.3, df=14, p=0.24). Variance due to subjects (i.e., EEGs) was 65.3%, due to readers was 3.9%, and due to the interaction between readers and subjects was 30.8%. Experienced epileptologists have very high confidence in their EEG interpretations and low to moderate I&IR, a common paradox in clinical medicine. A necessary, but insufficient, condition to improve EEG interpretation accuracy is to increase intrarater and interrater reliability. This goal could be accomplished, for instance, with an automated online application integrated into a continuing medical education module that measures and reports EEG I&IR to individual users.


Subject(s)
Electroencephalography/methods , Observer Variation , Seizures/diagnosis , Adult , Humans , Male , Reproducibility of Results , Seizures/etiology
3.
Epilepsy Behav Case Rep ; 1: 71-3, 2013.
Article in English | MEDLINE | ID: mdl-25667832

ABSTRACT

Patients with temporal lobe epilepsy (TLE) often have a brief postictal state characterized by confusion and disorientation. Less common postictal behaviors include wandering and violence - both reactive and spontaneous. We describe two male patients with left TLE and unusual postictal states that led to unfortunate outcomes. The first patient's postictal state included an intense urge to peregrinate, as well as reactive violence. When a frightened houseguest prevented the patient from exiting his bedroom during a postictal state, the patient climbed out the window and fell to his death. The second patient's postictal state included menacing posturing, loud exclamation of guttural sounds or profanities, clapping or smacking his hands together, and punching nearby objects. During a postictal state at home, he grabbed a bat and destroyed furnishings. After he had two seizures at work followed by his typical postictal state, he was dismissed because of his perceived threat to coworkers.

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