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1.
Epilepsy Behav ; 100(Pt A): 106516, 2019 11.
Artículo en Inglés | MEDLINE | ID: mdl-31574430

RESUMEN

OBJECTIVE: Neuropsychological tests can infer the lateralization of the epileptogenic focus, associating verbal memory to mesial structures in the left temporal lobe and visual or nonverbal memory to the right side. High-field magnetic resonance imaging (MRI) with high-resolution protocols allows acquisitions suitable for advanced postprocessing with precise volumetry of brain structures, and functional MRI demonstrates evidence that epilepsy should be seen as a network pathology, involving several structures in the brain. Since the literature showing associations between the volumetry of brain structures in left and right mesial temporal lobe epilepsy (MTLE) and verbal and visual memory performance on neuropsychological tests is conflicting, we revisited these relationships, considering the hippocampal volumetry of patients with unilateral MTLE. METHODS: Automatized hippocampal volumes were obtained using FreeSurfer software from MRI exams of 35 patients with unilateral MTLE and hippocampal atrophy and homolateral ictal onset zone defined by video electroencephalography concordant to the side of hippocampal volume reduction (15 on the left side). Verbal memory was assessed using the Rey Auditory-Verbal Learning Test (RAVLT), and visual memory tests employed the Rey-Osterrieth Complex Figure Test (ROCFT). The statistical analysis explored relationships between hippocampal volumetry, lateralization, and performance on memory tests. RESULTS: In general, we observed deficits in both verbal and visual memory for patients with left and right hippocampal volume reduction. Patients with left hippocampal volume reduction had poorer performance on verbal memory tests compared with those with right hippocampal atrophy (t = -3.813, p < 0.001). Visual memory deficits were seen on both left and right MTLE without a statistically significant difference (t = 0.074, p = 0.942). The correlation between the Hippocampal Asymmetry Index (HAI) and visual and verbal Z-scores was significant only for visual Z-score in right MTLE (R = -0.45, p = 0.048). CONCLUSIONS: Verbal memory deficit seems to be more consistent in patients with left hippocampal volume reduction. Although it had only a moderate correlation to HAI, visual memory deficit is suggested as a poorer indicator for right MTLE. Considering that verbal and visual memory deficits are seen on both right and left MTLE, MTLE should not be regarded as a unilateral, focal, or local insult but as a multifactorial and network pathology, possibly involving several brain structures.


Asunto(s)
Epilepsia del Lóbulo Temporal/fisiopatología , Hipocampo/patología , Trastornos de la Memoria/fisiopatología , Memoria/fisiología , Adulto , Área Bajo la Curva , Atrofia/patología , Encéfalo/fisiopatología , Electroencefalografía , Femenino , Humanos , Imagen por Resonancia Magnética , Masculino , Persona de Mediana Edad , Pruebas Neuropsicológicas , Lóbulo Temporal/fisiopatología , Aprendizaje Verbal/fisiología , Adulto Joven
2.
J Am Soc Nephrol ; 28(4): 1259-1268, 2017 04.
Artículo en Inglés | MEDLINE | ID: mdl-27909047

RESUMEN

Previous studies have suggested the benefits of physical exercise for patients on dialysis. We conducted the Exercise Introduction to Enhance Performance in Dialysis trial, a 6-month randomized, multicenter trial to test whether a simple, personalized walking exercise program at home, managed by dialysis staff, improves functional status in adult patients on dialysis. The main study outcomes included change in physical performance at 6 months, assessed by the 6-minute walking test and the five times sit-to-stand test, and in quality of life, assessed by the Kidney Disease Quality of Life Short Form (KDQOL-SF) questionnaire. We randomized 296 patients to normal physical activity (control; n=145) or walking exercise (n=151); 227 patients (exercise n=104; control n=123) repeated the 6-month evaluations. The distance covered during the 6-minute walking test improved in the exercise group (mean distance±SD: baseline, 328±96 m; 6 months, 367±113 m) but not in the control group (baseline, 321±107 m; 6 months, 324±116 m; P<0.001 between groups). Similarly, the five times sit-to-stand test time improved in the exercise group (mean time±SD: baseline, 20.5±6.0 seconds; 6 months, 18.2±5.7 seconds) but not in the control group (baseline, 20.9±5.8 seconds; 6 months, 20.2±6.4 seconds; P=0.001 between groups). The cognitive function score (P=0.04) and quality of social interaction score (P=0.01) in the kidney disease component of the KDQOL-SF improved significantly in the exercise arm compared with the control arm. Hence, a simple, personalized, home-based, low-intensity exercise program managed by dialysis staff may improve physical performance and quality of life in patients on dialysis.


Asunto(s)
Terapia por Ejercicio , Aptitud Física , Calidad de Vida , Diálisis Renal , Insuficiencia Renal Crónica/terapia , Caminata , Terapia Combinada , Femenino , Humanos , Masculino , Persona de Mediana Edad
3.
Epilepsy Behav ; 68: 78-83, 2017 03.
Artículo en Inglés | MEDLINE | ID: mdl-28131930

RESUMEN

Previous studies, using surveys, provided an understanding about how health-care providers address patients with PNES. To date, there is limited information on the management of patients with PNES by tertiary referral centers for epilepsy. In this study, we surveyed 11 Brazilian epilepsy center directors about diagnosis, treatment, education and research on PNES. Respondents reported that patients with PNES represented 10-20% of all adult patients recorded by video-EEG (VEEG). All respondents recognized VEEG as the method to confirm the diagnosis, and 81.8% used this approach for confirmation. Most centers had a standard protocol for diagnosis. None of the centers had a particular protocol to treat PNES, but 90.9% had a uniform treatment approach including therapy and educational measures. Psychotherapy was not easily obtained in nine centers (81.8%). Seven (63.3%) centers reported ongoing research projects with PNES. Five centers referred to an educational PNES program discussing diagnosis, but only one reported an educational program for treatment. This study showed a commitment to PNES diagnosis; however, some gaps remain regarding treatment and training, namely implementing a psychotherapy approach for patients and providing educational curricula for clinicians.


Asunto(s)
Educación del Paciente como Asunto , Trastornos Psicofisiológicos/diagnóstico , Psicoterapia , Convulsiones/diagnóstico , Brasil , Electroencefalografía/métodos , Encuestas de Atención de la Salud , Humanos , Trastornos Psicofisiológicos/psicología , Trastornos Psicofisiológicos/terapia , Convulsiones/psicología , Convulsiones/terapia
4.
Epilepsy Behav ; 54: 40-6, 2016 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-26645799

RESUMEN

OBJECTIVE: Epileptic seizures (ES) are often seen as a medical emergency, and their immediate and accurate recognition are pivotal in providing acute care. However, a number of clinical situations may mimic ES, potentially leading to misdiagnosis at the emergency room and to inappropriate prescription of antiepileptic drugs (AED) in the acute and chronic settings. Psychogenic nonepileptic seizures (PNES) play a major role in this scenario and often delay the correct diagnosis and increase treatment morbidity and cost. First responders often conduct the initial assessment of these patients, and their impression may be decisive in the prehospital approach to seizures. We sought to investigate and improve the accuracy of PNES diagnosis among professionals involved in the initial assistance to patients with seizures. METHODS: Fifty-three registered nurses, 34 emergency physicians, 33 senior year medical students, and 12 neurology residents took a short training program consisting of an initial video-based seizure assessment test (pretest), immediately followed by a 30-minute presentation of a 6-item bedside diagnostic tool and then a video-based reassessment (posttest). Baseline status and learning curves were determined. RESULTS: The distinct professional categories showed no significant differences in their ability to diagnose PNES on both pretests and posttests. All groups improved diagnostic skills after the instructional program. SIGNIFICANCE: The findings helped determine the best identifiable PNES clinical signs and to provide initial validation to a novel diagnostic instrument. In addition, our results showed that educational measures might help in the identification of PNES by first responders, which may decrease the treatment gap.


Asunto(s)
Trastornos Psicofisiológicos/diagnóstico , Convulsiones/diagnóstico , Adolescente , Adulto , Competencia Clínica , Errores Diagnósticos , Electroencefalografía , Femenino , Humanos , Masculino , Persona de Mediana Edad , Neurología , Médicos , Convulsiones/psicología , Estudiantes de Medicina , Adulto Joven
5.
Epilepsy Behav ; 38: 8-12, 2014 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-24239433

RESUMEN

Childhood-onset epilepsy is associated with psychiatric and cognitive difficulties and with poor social outcomes in adulthood. Some antiepileptic drugs adversely affect behavior in susceptible children with easy-to-control or refractory epilepsies, contributing to a high risk of psychological and psychiatric disturbance. Studies had demonstrated that patients with benign rolandic epilepsy and absence epilepsy had more aggressive behavior, depression, and anxiety disorders than control children. Psychiatric comorbidities are strongly associated with a poor long-term health-related quality of life in childhood-onset epilepsy, which suggests that comprehensive epilepsy care must include screening and long-term treatment for these conditions, even if seizures remit.


Asunto(s)
Comorbilidad , Epilepsia , Trastornos Mentales , Niño , Epilepsia/epidemiología , Humanos , Trastornos Mentales/epidemiología
6.
Kidney Blood Press Res ; 39(2-3): 197-204, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25118055

RESUMEN

BACKGROUND/AIMS: In this corollary analysis of the EXCITE study, we looked at possible differences in baseline risk factors and mortality between subjects excluded from the trial because non-eligible (n=216) or because eligible but refusing to participate (n=116). METHODS: Baseline characteristics and mortality data were recorded. Survival and independent predictors of mortality were assessed by Kaplan-Meier and Cox regression analyses. RESULTS: The incidence rate of mortality was higher in non-eligible vs. eligible non-randomized patients (21.0 vs. 10.9 deaths/100 persons-year; P<0.001). The crude excess risk of death in non-eligible patients (HR 1.96; 95% CI 1.36 to 2.77; P<0.001) was reduced after adjustment for risk factors which differed in the two cohorts including age, blood pressure, phosphate, CRP, smoking, diabetes, triglycerides, cardiovascular comorbidities and history of neoplasia (HR 1.60; 95% CI 1.10 to 2.35; P=0.017) and almost nullified after including in the same model also information on deambulation impairment (HR 1.16; 95% CI 0.75 to 1.80; P=0.513). CONCLUSIONS: Deambulation ability mostly explains the difference in survival rate in non-eligible and eligible non-randomized patients in the EXCITE trial. Extending data analyses and outcome reporting also to subjects not taking part in a trial may be helpful to assess the representability of the study population.


Asunto(s)
Terapia por Ejercicio/métodos , Fallo Renal Crónico/terapia , Aptitud Física , Diálisis Renal , Anciano , Femenino , Estudios de Seguimiento , Humanos , Fallo Renal Crónico/mortalidad , Masculino , Persona de Mediana Edad , Factores de Riesgo , Análisis de Supervivencia , Resultado del Tratamiento
7.
Kidney Blood Press Res ; 39(2-3): 205-11, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25118076

RESUMEN

BACKGROUND/AIMS: Scarce physical activity predicts shorter survival in dialysis patients. However, the relationship between physical (motor) fitness and clinical outcomes has never been tested in these patients. METHODS: We tested the predictive power of an established metric of motor fitness, the Six-Minute Walking Test (6MWT), for death, cardiovascular events and hospitalization in 296 dialysis patients who took part in the trial EXCITE (ClinicalTrials.gov Identifier: NCT01255969). RESULTS: During follow up 69 patients died, 90 had fatal and non-fatal cardiovascular events, 159 were hospitalized and 182 patients had the composite outcome. In multivariate Cox models - including the study allocation arm and classical and non-classical risk factors - an increase of 20 walked metres during the 6MWT was associated to a 6% reduction of the risk for the composite end-point (P=0.001) and a similar relationship existed between the 6MWT, mortality (P<0.001) and hospitalizations (P=0.03). A similar trend was observed for cardiovascular events but this relationship did not reach statistical significance (P=0.09). CONCLUSIONS: Poor physical performance predicts a high risk of mortality, cardiovascular events and hospitalizations in dialysis patients. Future studies, including phase-2 EXCITE, will assess whether improving motor fitness may translate into better clinical outcomes in this high risk population.


Asunto(s)
Terapia por Ejercicio/métodos , Fallo Renal Crónico/fisiopatología , Fallo Renal Crónico/terapia , Actividad Motora , Diálisis Renal , Anciano , Determinación de Punto Final , Prueba de Esfuerzo , Femenino , Hospitalización/estadística & datos numéricos , Humanos , Masculino , Persona de Mediana Edad , Análisis de Supervivencia , Resultado del Tratamiento , Caminata
8.
HLA ; 102(3): 269-277, 2023 09.
Artículo en Inglés | MEDLINE | ID: mdl-37002612

RESUMEN

In this observational case-control study, 107 cutaneous adverse reaction (CAR) cases (CAR+) manifesting up to 12 weeks after the start of treatment with antiseizure medication (ASM) were identified. Control groups consisted of 98 epilepsy patients without a history of CAR (CAR-) and 3965 healthy individuals in the Brazilian National Registry of Bone Marrow Donors. All participants were HLA typed by high-resolution Next Generation Sequencing for HLA-A, B, C, DQB1 and DRB1; HLA-DPA1, DPB1, DQA1, DRB3, DRB4 and DRB5 were also sequenced in samples from CAR+ and CAR- individuals. The relationship between the carrier frequency of each allele, CAR type and ASM for all participants was investigated. The ASMs most frequently associated with CAR were carbamazepine (48% of CAR+ subjects), lamotrigine (23%), phenytoin (18%), phenobarbital (13%) and oxcarbazepine (5%). The main alleles associated with a risk of CAR were HLA-A*02:05 (OR = 6.28; p = 0.019, carbamazepine or oxcarbazepine); HLA-DPA1*02:02 (OR = 4.16, p = 0.003, carbamazepine); HLA-B*53:01 (OR = 47.9, p = 0.014, oxcarbazepine), HLA-DPA1*03:01/DPB1*105:01 (OR = 25.7, p = 0.005, phenobarbital); HLA-C*02:10 (OR = 25.7, p = 0.005, phenobarbital) and HLA-DRB1*04:02 (OR = 17.22, p = 0.007, phenytoin). HLA-A*03:01 increased the risk for phenytoin-induced maculopapular exanthema 4.71-fold (p = 0.009), and HLA-B*35:02 was associated with a 25.6-fold increase in the risk of carbamazepine-induced Stevens-Johnson syndrome (p = 0.005). None of the 4170 subjects carried the HLA-B*15:02 allele, and HLA-A*31:01 was not associated with CAR. Hence, HLA-A*31:01 and HLA-B*15:02 were not associated with CAR in this population. Although other HLA class I and II alleles tested were associated with a risk of CAR, none of these associations were strong enough to warrant HLA testing before prescribing ASM.


Asunto(s)
Antígenos HLA-B , Fenitoína , Humanos , Alelos , Brasil , Oxcarbazepina , Estudios de Casos y Controles , Antígenos HLA-B/genética , Carbamazepina/efectos adversos , Antígenos HLA-A/genética , Fenobarbital
9.
Clin Neuropsychol ; 37(2): 416-431, 2023 02.
Artículo en Inglés | MEDLINE | ID: mdl-35264077

RESUMEN

OBJECTIVE: We compared the performance on the Rey-Osterrieth Complex Figure Test (ROCF) of patients that had undergone unilateral anterior temporal lobectomy under both Taylor's and Loring's scoring systems to identify the sensitivity and specificity of each item for differentiating visuospatial memory deficits. METHOD: We administered the ROCF to evaluate the visual memory of 37 left anterior temporal lobectomy (LATL) and 38 right anterior temporal lobectomy (RATL) patients with unilateral temporal lobe epilepsy who had undergone a standard unilateral anterior temporal lobectomy between 1996 and 2010. Fisher's exact and Qui-Quadrado tests were used to analyze the relationships between the qualitative variables. The Mann-Whitney U test was used to compare the quantitative variables from the right and left sides. RESULTS: RATL patients performed worse than LATL patients based on the total score for delayed recall (DR) (p = 0.012). The scoring system's showed a specificity of 97.2% & 78.9% and sensitivity of 10.5% & 62.2% on DR, for the Taylor and Loring systems respectively. Our detailed analysis of certain items showed that some differed between the groups in terms of the presence/absence, correct reproduction, and errors of those items. Loring' errors I, IV, and X on DR and errors IV and X on immediate recall were more frequent in the RATL group. CONCLUSIONS: The use of these two scoring systems combined may help maximize sensitivity and specificity with clinical populations. Further, our analyses showed that items could be clustered better and different weights could be given to them to maximize sensitivity and specificity.


Asunto(s)
Epilepsia del Lóbulo Temporal , Memoria a Corto Plazo , Humanos , Pruebas Neuropsicológicas , Epilepsia del Lóbulo Temporal/cirugía , Recuerdo Mental , Sensibilidad y Especificidad
10.
Front Neurosci ; 17: 1210221, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37575303

RESUMEN

Introduction: Vagus nerve stimulation (VNS) therapy is an established treatment for patients with drug-resistant epilepsy that reduces seizure frequency by at least 50% in approximately half of patients; however, the characteristics of the patients with the best response have not yet been identified. Thus, it is important to identify the profile of patients who would have the best response to guide early indications and better patient selection. Methods: This retrospective study evaluated vagus nerve stimulation (VNS) as an adjuvant therapy for patients with drug-resistant epilepsy from six epilepsy centers in Brazil. Data from 192 patients aged 2-66 years were analyzed, and all patients received at least 6 months of therapy to be included. Results: Included patients were aged 2-66 years (25.6 ± 14.3), 105 (54.7%) males and 87 (45.8%) females. Median follow-up interval was 5 years (range, 2005-2018). Overall, the response rate (≥50% seizure reduction) after VNS implantation was 65.6% (126/192 patients). Most patients had 50-90% seizure reduction (60.9%) and nine patients became seizure-free. There were no serious complications associated with VNS implantation. The rate of a ≥ 50% seizure reduction response was significantly higher in patients with no history of neurosurgery. The presence of focal without generalized seizures and focal discharges on interictal EEG was associated with better response. Overall, etiological predictors of a better VNS response profile were tumors while a worse response to VNS was related to the presence of vascular malformations and Lennox-Gastaut Syndrome. Discussion: We observed an association between a better response to VNS therapy no history of neurosurgery, focal interictal epileptiform activity, and focal seizure pattern. Additionally, it is important to highlight that age was not a determinant factor of the response, as children and adults had similar response rates. Thus, VNS therapy should be considered in both adults and children with DRE.

11.
Epilepsy Res ; 175: 106700, 2021 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-34175793

RESUMEN

OBJECTIVE: High-resolution protocols used in magnetic resonance imaging (MRI) currently enable the detailed analysis of the hippocampus along with its subfield segmentation. The relationship between episodic memory and the hippocampus is well established, and there is growing evidence that some specific memory processing steps are associated with individual hippocampal segments, but there are inconsistencies in the literature. We focused our analysis on hippocampal subfield volumetry and neuropsychological visual and verbal memory tests in patients with temporal lobe epilepsy (TLE) presenting with unilateral hippocampal atrophy. METHODS: The study involved a cohort of 62 patients with unilateral TLE, including unilateral hippocampal atrophy (29 on the left side) based on MRI and unequivocal ipsilateral ictal onsets based on surface video electroencephalography recordings. The hippocampal subfield volumes were evaluated using FreeSurfer version 7.1. We used the Rey-Auditory Verbal Learning Test to evaluate short-term (A1), learning (ΣA1-A5), immediate (A6), and delayed (A7) recall of episodic verbal memory. We used the Rey-Osterrieth Complex Figure Test to evaluate the immediate and delayed recall of visual memory. We analyzed the correlations between the asymmetry index scores for the hippocampal subfield volumes of thecornu ammonis (CA)1, CA2/3, and CA4 and memory test performance. RESULTS: Moderate associations were established between the CA2/3 asymmetry index scores and visual memory in TLE (both right and left hippocampal atrophy), as well as visual memory and CA4 in the right atrophy cases. The CA1 asymmetry index scores did not correlate with any of the memory test results. We did not find any significant correlation between verbal memory tests and specific hippocampal subfields. CONCLUSIONS: The use of high-resolution MRI protocols andin vivo automated segmentation processing revealed moderate associations between hippocampal subfields and memory parameters. Further investigations are needed to establish the utility of these results for clinical decisions.


Asunto(s)
Epilepsia del Lóbulo Temporal , Memoria Episódica , Atrofia/patología , Epilepsia del Lóbulo Temporal/complicaciones , Epilepsia del Lóbulo Temporal/diagnóstico por imagen , Epilepsia del Lóbulo Temporal/patología , Hipocampo/diagnóstico por imagen , Hipocampo/patología , Humanos , Imagen por Resonancia Magnética/métodos , Pruebas Neuropsicológicas
12.
Clin EEG Neurosci ; 52(6): 455-461, 2021 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-33047612

RESUMEN

AIM: To describe the first unprovoked seizure in typically developing children, its clinical characteristics, recurrence rate, and possible risk factors in a real-life setting in Southern Brazil. METHOD: In this retrospective cohort study, medical records of typically developing children aged 28 days to 14 years who had a first unprovoked seizure in a single tertiary care center were reviewed, in a 10-year period (2006-2016). RESULTS: Seventy-four children were included, 41 males and 33 females. The most frequent age group of the first seizure was 5 to 10 years and seizure main type was focal (50%). Most seizures occurred while children were awake (70%). All patients underwent an electroencephalogram (EEG), which was normal in 44.6%. Neuroimaging was performed in 81%, in 2 cases the etiology was considered structural, the remaining was classified as unknown. Median follow-up period was 32.5 months. Seizure recurrence rate was 56.7% and age younger than 5 years was a possible risk factor. INTERPRETATION: In the subpopulation of Brazilian typically developing children with a first unprovoked epileptic seizure there is a high recurrence rate. An abnormal EEG was a common finding, although it was not associated with a higher risk of seizure recurrence. A possible risk factor was age younger than 5 years, which may suggest a more rigorous follow-up of these patients.


Asunto(s)
Electroencefalografía , Epilepsia , Brasil , Niño , Preescolar , Femenino , Humanos , Masculino , Estudios Retrospectivos , Factores de Riesgo , Convulsiones/diagnóstico , Convulsiones/epidemiología
13.
Epileptic Disord ; 23(3): 466-475, 2021 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-34080983

RESUMEN

OBJECTIVE: To describe the clinical characteristics of cutaneous adverse reactions and cross-sensitivity induced by antiseizure medications and compare the pattern of use of antiseizure medications in patients with epilepsy according to skin rash history. METHODS: We analysed patients with a history of skin rash presenting for up to 12 weeks after initiating antiseizure medication. The history of skin rash was verified by medical charts, interviews, and identification of skin lesions by patients based on illustrative images. The minimum follow-up period was eight months. The control group comprised epilepsy patients with regular antiseizure medication use for at least 12 weeks without skin rash. We included 109 cases and 99 controls. RESULTS: The median (interquartile range) period from the index rash was six years (2-11). Carbamazepine was the trigger medication in 48% of cases and induced skin rashes in all patients with cross-sensitivity and carbamazepine exposure. Stevens-Johnson syndrome, toxic epidermal necrolysis, or drug reactions with eosinophilia and systemic symptoms affected 36% of cases. Carbamazepine- or oxcarbazepine-induced maculopapular exanthema occurred earlier (median: one week) than that induced by other antiseizure medications (median: three weeks) (p=0.006). Cross-sensitivity was more common in patients with at least one episode of Stevens-Johnson syndrome (29%) and Stevens-Johnson/toxic epidermal necrolysis overlap (50%) than in patients with maculopapular exanthema (8%) (p=0.01). Although most cases were mild, the pattern of antiseizure medication use differed from that of controls, with a lower proportion of antiseizure medication typically associated with severe cutaneous adverse reactions (carbamazepine, phenytoin, phenobarbital, primidone, oxcarbazepine, and lamotrigine) (p<0.001). Most cases exposed to high-risk medication, however, did not develop cross-sensitivity. SIGNIFICANCE: Cutaneous adverse reaction history may influence antiseizure medication use. Cross-sensitivity is more common in severe cases and most patients are affected by mild, self-limited skin rashes. Further research should consider the relevance of mild skin rashes in lifelong epilepsy treatment.


Asunto(s)
Epilepsia , Síndrome de Stevens-Johnson , Anticonvulsivantes/efectos adversos , Carbamazepina/efectos adversos , Epilepsia/tratamiento farmacológico , Exantema/inducido químicamente , Humanos , Oxcarbazepina , Síndrome de Stevens-Johnson/etiología
14.
Clin Neuropsychol ; 35(sup1): S21-S31, 2021 12.
Artículo en Inglés | MEDLINE | ID: mdl-33622173

RESUMEN

OBJECTIVE: To investigate the performance of epilepsy patients diagnosed with unilateral mesial temporal sclerosis (MTS) on a nonverbal fluency measure using the five-point test (FPT). Our secondary aim was to investigate any differences in FPT and verbal fluency test (VFT) scores between left and right MTS. We hypothesized that scores on the FPT, commonly utilized in the assessment of individuals with presumed frontal lobe damage, would be lower in patients with temporal lobe dysfunction. METHOD: One hundred eighty patients diagnosed with temporal lobe epilepsy (TLE) and 150 healthy controls (HCs) were included in this retrospective study. We analyzed correlations between scores obtained from FPT and phonemic and semantic VFT, and scores according to the lateralization of epileptogenic focus in the TLE group. RESULTS: Overall, the TLE patients had lower performance than the HCs on the FPT, but no differences were observed on perseverance rates (p = 0.992). Statistically significant difference was found in both sections of the VFT in association with the lateralization of the epileptogenic zone (p < 0.001). As for the FPT, differences did not reach statistical significance (p = 0.0857). CONCLUSIONS: Our results support the hypothesis of involvement of the temporal areas on tasks such as the FPT, despite the lack of a lateralizing effect. Our findings also contribute to better understanding of the role of the FPT in assessment of executive function in patients with unilateral MTS, and provide further psychometric data on a native Brazilian population.


Asunto(s)
Epilepsia del Lóbulo Temporal , Epilepsia , Epilepsia del Lóbulo Temporal/complicaciones , Epilepsia del Lóbulo Temporal/patología , Hipocampo , Humanos , Imagen por Resonancia Magnética , Pruebas Neuropsicológicas , Estudios Retrospectivos , Esclerosis/patología
15.
Mov Disord ; 25(16): 2875-8, 2010 Dec 15.
Artículo en Inglés | MEDLINE | ID: mdl-20818609

RESUMEN

Spinocerebellar ataxia type 10 (SCA10) is an autosomal dominant disorder caused by an ATTCT repeat intronic expansion in the SCA10 gene. SCA 10 has been reported in Mexican, Brazilian, Argentinean and Venezuelan families. Its phenotype is overall characterized by cerebellar ataxia and epilepsy. Interestingly, Brazilian patients reported so far showed pure cerebellar ataxia, without epilepsy. Here, authors provide a systematic analysis of the presence, frequency and electroencephalographic presentation of epilepsy among 80 SCA10 patients from 10 Brazilian families. Overall, the frequency of epilepsy was considered rare, been found in 3.75 % of the cases while this finding in populations from other geographic areas reaches 60% of SCA10 cases.


Asunto(s)
Epilepsia/diagnóstico , Epilepsia/epidemiología , Ataxias Espinocerebelosas/epidemiología , Adulto , Edad de Inicio , Ataxina-10 , Brasil , Electroencefalografía , Epilepsia/complicaciones , Epilepsia/genética , Humanos , Persona de Mediana Edad , Proteínas del Tejido Nervioso/genética , Fenotipo , Prevalencia , Ataxias Espinocerebelosas/complicaciones , Ataxias Espinocerebelosas/genética
16.
Nephrol Dial Transplant ; 24(11): 3398-403, 2009 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-19549696

RESUMEN

BACKGROUND: An iron deficiency is often present in haemodialysis (HD) patients; however, although transferrin saturation (TSAT) of <20% and/or serum ferritin of <200 ng/mL should express iron scarcity, in HD patients high ferritin levels could be related to inflammation rather than reflecting optimal iron stores. METHODS: The aim of the present study was to evaluate serum levels of neutrophil gelatinase-associated lipocalin (NGAL), a small siderophore-binding protein, in a cohort of 56 chronic HD patients in order to determine its possible relationships with iron status. RESULTS: NGAL levels were markedly higher in HD patients than in healthy controls; furthermore, HD patients with TSAT <20% had lower NGAL values than healthy controls, whereas the correction of iron deficiency by means of chronic i.v. iron administration significantly increased NGAL values from baseline. Findings from univariate and multivariate analyses demonstrated that NGAL was a significant predictor of hsCRP, spKT/V and TSAT. In ROC analysis, a NGAL cut-off level of

Asunto(s)
Hierro/metabolismo , Lipocalinas/sangre , Proteínas Proto-Oncogénicas/sangre , Diálisis Renal , Proteínas de Fase Aguda , Adulto , Anciano , Proteína C-Reactiva/análisis , Femenino , Humanos , Lipocalina 2 , Masculino , Persona de Mediana Edad , Curva ROC , Análisis de Regresión , Transferrina/metabolismo
17.
Epilepsy Behav ; 14(2): 418-20, 2009 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-19027879

RESUMEN

We present the case of a 36-year-old patient with bilateral independent manual automatisms associated with seizures coming independently from the left and right temporal lobes, as documented by surface EEG ictal recordings. An MRI showed evidence of bilateral mesial temporal sclerosis, more prominent on the right side. We speculate whether clinical semiology (along with the ictal EEG and imaging findings) discourages the pursuit of invasive monitoring, leading to more aggressive medical management in this particular case.


Asunto(s)
Epilepsia del Lóbulo Temporal/patología , Epilepsia del Lóbulo Temporal/fisiopatología , Adulto , Electroencefalografía/métodos , Femenino , Lateralidad Funcional , Humanos , Imagen por Resonancia Magnética
18.
J Psychosom Res ; 111: 83-88, 2018 08.
Artículo en Inglés | MEDLINE | ID: mdl-29935759

RESUMEN

OBJECTIVE: To investigate demographic, epidemiologic and psychiatric features suggestive of the coexistence epilepsy (ES) and psychogenic nonepileptic seizures (PNES) that may contribute to precocious suspicion of the association. METHODS: In this exploratory study, all patients older than 16 years admitted to prolonged video-electroencephalogram monitoring were evaluated about demographic, epileptological and psychiatric features. Detailed psychiatric assessment using M.I.N.I.-plus 5.0, Beck Anxiety Inventory, Beck Depression Inventory and the Childhood Trauma Questionnaire (CTQ) was performed. Data were collected previous to the final diagnosis and patients with ES-only, PNES-only or coexistence of ES/PNES were compared. RESULTS: Of 122 patients admitted to epilepsy monitoring unit, 86 patients were included and 25 (29%) had PNES. Twelve (14%) had PNES-only, 13 (15%) had ES/PNES and the remaining 61 (71%) had only ES. A coexistence of ES and PNES was associated with clinical report of more than one seizure type (p˂0.001), nonspecific white matter hyperintensities on MRI (p < .001) and a past of psychotic disorder (p = .005). In addition, these patients had significantly more emotional abuse and neglect (p < .002 and 0.001, respectively). Somatization (including conversion disorder) was the most common diagnosis in patients with PNES- only (83%) and co-existing of PNES and ES (69.2%), differentiating both from ES-only patients (p < .001). CONCLUSION: The high prevalence of this coexistence ES/PNES in this study reinforces a need to properly investigate PNES, especially in patients with confirmed ES who become refractory to medical treatment with antiepileptic drugs. The neuropsychiatric assessment may help to diagnostic suspicion and in the planning of therapeutic interventions.


Asunto(s)
Epilepsia/epidemiología , Epilepsia/psicología , Convulsiones/epidemiología , Convulsiones/psicología , Adolescente , Adulto , Trastornos de Conversión/diagnóstico , Trastornos de Conversión/epidemiología , Trastornos de Conversión/psicología , Estudios Transversales , Trastornos Disociativos/diagnóstico , Trastornos Disociativos/epidemiología , Trastornos Disociativos/psicología , Electroencefalografía/tendencias , Epilepsia/diagnóstico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Prevalencia , Estudios Retrospectivos , Convulsiones/diagnóstico , Encuestas y Cuestionarios , Adulto Joven
19.
G Ital Nefrol ; 35(4)2018 Jul.
Artículo en Italiano | MEDLINE | ID: mdl-30035445

RESUMEN

Chylous ascites is rarely observed in patients undergoing peritoneal dialysis Here, we present the occurrence of chyloperitoneum in a peritoneal dialysis patient disappeared immediately after discontinuation of calcium-antagonist.


Asunto(s)
Bloqueadores de los Canales de Calcio/efectos adversos , Ascitis Quilosa/inducido químicamente , Dihidropiridinas/efectos adversos , Diálisis Peritoneal Ambulatoria Continua , Femenino , Humanos , Persona de Mediana Edad
20.
J Clin Neurosci ; 44: 353-356, 2017 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-28765064

RESUMEN

The relationship between myasthenia gravis (MG) and epilepsy has been rarely reported. As consequence, there are no specific guidelines for the management of these conditions when they mutually occur. We reported on three patients in whom epilepsy and MG are coexisting, but in different clinical settings. Two patients were treated with antiepileptic drugs which improved their symptoms. One patient has controlled the seizures after a successful anterior temporal lobectomy with no appreciable consequences to her MG. We discuss the difficulties in the management of epilepsy in patients with MG. In addition, we report on the first epileptic surgery in a MG patient, indicating that this surgical procedure as a safe option for the treatment of intractable epilepsy in patients with MG.


Asunto(s)
Lobectomía Temporal Anterior , Anticonvulsivantes/uso terapéutico , Epilepsia/complicaciones , Epilepsia/terapia , Miastenia Gravis/complicaciones , Miastenia Gravis/terapia , Adulto , Epilepsia/tratamiento farmacológico , Epilepsia/cirugía , Femenino , Humanos , Miastenia Gravis/tratamiento farmacológico , Miastenia Gravis/cirugía
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