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1.
Eur J Neurol ; 24(11): 1363-1368, 2017 11.
Artigo em Inglês | MEDLINE | ID: mdl-28834018

RESUMO

BACKGROUND AND PURPOSE: Mutations in the glucocerebrosidase (GBA) gene are known to be a risk factor for Parkinson's disease (PD). Data on clinicopathological correlation are limited. The purpose of this study was to determine the clinicopathological findings that might distinguish PD cases with and without mutations in the GBA gene. METHODS: Data from the Arizona Study of Aging and Neurodegenerative Disorders were used to identify autopsied PD cases that did or did not have a GBA gene mutation. Clinical and neuropathological data were compared. RESULTS: Twelve PD cases had a GBA mutation and 102 did not. The GBA mutation cases died younger (76 vs. 81 years of age) but there was no difference in disease duration or clinical examination findings. No neuropathological differences were found in total or regional semi-quantitative scores for Lewy-type synucleinopathy, senile plaques, neurofibrillary tangles, white matter rarefaction or cerebral amyloid angiopathy scores. CONCLUSIONS: In longitudinally assessed, autopsied PD cases, those with GBA mutations had a younger age at death but there was no evidence for clinical or neuropathological differences compared to cases without GBA mutations. Due to the small GBA group size, small differences cannot be excluded.


Assuntos
Encéfalo/patologia , Glucosilceramidase/genética , Mutação , Doença de Parkinson/genética , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Longevidade/genética , Estudos Longitudinais , Masculino , Doença de Parkinson/patologia , Fatores de Risco
2.
Anaesthesia ; 71(4): 380-8, 2016 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-26899862

RESUMO

This randomised, double-blind, placebo-controlled study compared the effect of perineural with intravenous dexamethasone, both administered concomitantly with interscalene brachial plexus block for shoulder surgery. Patients received 8 mg dexamethasone mixed with ropivacaine in the block injection (n = 42), 8 mg dexamethasone intravenously at the time of the block (n = 37), or intravenous saline (n = 41) at the time of the block. Perineural and intravenous dexamethasone resulted in prolonged mean (SD) duration of block to 16.9 (5.2) h and 18.2 (6.4) h, respectively, compared with 13.8 (3.8) h for saline (p = 0.001). Mean (SD) opioid consumption (morphine equivalents) during the first 24 h after postanaesthesia recovery arrival was 12.2 (9.3) mg in the perineural dexamethasone, 17.1 (15.9) mg in the intravenous dexamethasone and 24.1 (14.3) mg in the saline groups (p = 0.001). Dexamethasone via either route reduced anti-emetic use (p = 0.046). There was no effect on patient satisfaction. These results suggest that both perineural and intravenous dexamethasone are useful adjuncts to ropivacaine interscalene block, with the intravenous route preferred as this avoids the possibility of neural toxicity of dexamethasone.


Assuntos
Anestésicos Locais , Bloqueio do Plexo Braquial/métodos , Dexametasona/administração & dosagem , Dor Pós-Operatória/tratamento farmacológico , Ombro/cirurgia , Administração Intravenosa , Idoso , Amidas , Anti-Inflamatórios/administração & dosagem , Anti-Inflamatórios/uso terapêutico , Dexametasona/uso terapêutico , Método Duplo-Cego , Quimioterapia Combinada , Feminino , Humanos , Masculino , Estudos Prospectivos , Ropivacaina , Resultado do Tratamento
3.
Eur J Neurol ; 23(2): 387-92, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26518336

RESUMO

BACKGROUND AND PURPOSE: It is believed that progressive Lewy-type synucleinopathy (LTS) is primarily responsible for the worsening of motor and non-motor Parkinson's disease (PD) signs and symptoms. Characterization of quantitative electroencephalography (QEEG) abnormalities across the spectrum of LTS to PD dementia (PD-D) may provide insight into the pathophysiology of PD cortical dysfunction. Here our enlarged EEG database was leveraged to characterize spectral QEEG abnormalities in asymptomatic autopsy-defined groups of control participants and incidental Lewy body disease (ILBD) and three clinically defined groups of participants with PD (cognitively normal PD, mild cognitive impairment PD, and PD-D). METHODS: The PD cohort was studied as part of the Arizona Study of Aging and Neurodegenerative Disorders (AZSAND). AZSAND utilizes its Brain and Body Donation Program to perform prospective, standardized, regular longitudinal pre-mortem assessments until death. Resting EEG from subjects was analyzed for spectral domain QEEG measures of background rhythm frequency and global relative power in delta, theta, alpha and beta bands. RESULTS: The various spectral QEEG measures showed differential changes specific to the groups compared. Important findings were background rhythm frequency showing the most pairwise differences across the groups, and this also was the only significant difference between control and ILBD. An increase in delta bandpower was characteristic of worsening cognitive deficits. CONCLUSIONS: Different patterns of change amongst QEEG measures across LTS and PD cognitive states suggest that they correlate with heterogeneous pathophysiologies of cortical dysfunction within the PD clinical spectrum. In addition, the biomarker application of a specific spectral QEEG measure needs to be selectively suited to its study purpose.


Assuntos
Encéfalo/fisiopatologia , Eletroencefalografia/métodos , Doença por Corpos de Lewy/fisiopatologia , Doença de Parkinson/fisiopatologia , Idoso , Idoso de 80 Anos ou mais , Biomarcadores , Diagnóstico Diferencial , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
4.
Osteoporos Int ; 23(1): 365-75, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21904950

RESUMO

UNLABELLED: Studies on use of selective serotonin reuptake inhibitors (SSRIs) and risk of fracture have yielded inconsistent results. This meta-analysis, which pooled results from 13 qualifying cohort and case-control studies, found that SSRIs were associated with a significantly increased risk of fractures. INTRODUCTION: This study was conducted to assess whether people who take SSRIs are at an increased risk of fracture. METHODS: We conducted a meta-analysis of observational studies. Relevant studies published by February 2010 were identified through literature searches using MEDLINE (from 1966), EMBASE (from 1988), PsycINFO (from 1806), and manual searching of reference lists. Only cohort or case-control studies that examined the association of SSRIs and risk of fracture and bone loss were included. Data were abstracted independently by two investigators using a standardized protocol; disagreements were resolved by consensus. Random effects models were used for pooled analysis due to heterogeneity in the studies. RESULTS: Thirteen studies met inclusion criteria. Overall, SSRI use was associated with a significantly increased risk of fracture (relative risk, RR, 1.72; 95% CI [1.51, 1.95]; P < 0.001). An increased fracture risk associated with SSRIs also was observed in the three studies that adjusted for bone mineral density (RR, 1.70; 95% CI [1.28, 2.25]; P < 0.001) and in the four studies that adjusted for depression (RR 1.74; 95% CI [1.28, 2.36]; P < 0.001). SSRI use was not associated with bone loss in the two cohort studies of women (P = 0.29). The overall association between SSRI use and fracture risk was weaker (RR, 1.40; 95% CI [1.22, 1.61]), though still significant (P < 0.001) in analyses that accounted for apparent publication bias. CONCLUSIONS: Use of SSRIs is associated with increased risk of fracture. The SSRIs may exert an increased risk of fracture independent of depression and bone mineral density.


Assuntos
Antidepressivos/efeitos adversos , Fraturas Ósseas/induzido quimicamente , Inibidores Seletivos de Recaptação de Serotonina/efeitos adversos , Idoso , Densidade Óssea/efeitos dos fármacos , Estudos de Casos e Controles , Estudos de Coortes , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Osteoporose/induzido quimicamente , Fraturas por Osteoporose/induzido quimicamente , Viés de Publicação , Medição de Risco/métodos
5.
Neurology ; 77(2): 118-24, 2011 Jul 12.
Artigo em Inglês | MEDLINE | ID: mdl-21633128

RESUMO

OBJECTIVE: We evaluated quantitative EEG (QEEG) measures as predictive biomarkers for the development of dementia in Parkinson disease (PD). Preliminary work shows that QEEG measures correlate with current PD cognitive state. A reliable predictive QEEG biomarker for PD dementia (PD-D) incidence would be valuable for studying PD-D, including treatment trials aimed at preventing cognitive decline in PD. METHODS: A cohort of subjects with PD in our brain donation program utilizes annual premortem longitudinal movement and cognitive evaluation. These subjects also undergo biennial EEG recording. EEG from subjects with PD without dementia with follow-up cognitive evaluation was analyzed for QEEG measures of background rhythm frequency and relative power in δ, , α, and ß bands. The relationship between the time to onset of dementia and QEEG and other possible predictors was assessed by using Cox regression. RESULTS: The hazard of developing dementia was 13 times higher for those with low background rhythm frequency (lower than the grand median of 8.5 Hz) than for those with high background rhythm frequency (p < 0.001). Hazard ratios (HRs) were also significant for > median bandpower (HR = 3.0; p = 0.004) compared to below, and for certain neuropsychological measures. The HRs for δ, α, and ß bandpower as well as baseline demographic and clinical characteristics were not significant. CONCLUSION: The QEEG measures of background rhythm frequency and relative power in the band are potential predictive biomarkers for dementia incidence in PD. These QEEG biomarkers may be useful in complementing neuropsychological testing for studying PD-D incidence.


Assuntos
Ondas Encefálicas/fisiologia , Demência/diagnóstico , Eletroencefalografia/métodos , Doença de Parkinson/diagnóstico , Idoso , Idoso de 80 Anos ou mais , Transtornos Cognitivos/etiologia , Estudos de Coortes , Demência/complicações , Feminino , Humanos , Masculino , Entrevista Psiquiátrica Padronizada , Pessoa de Meia-Idade , Testes Neuropsicológicos , Doença de Parkinson/complicações , Valor Preditivo dos Testes , Modelos de Riscos Proporcionais , Análise de Regressão , Reprodutibilidade dos Testes , Estudos Retrospectivos
6.
Ann Fr Anesth Reanim ; 30(2): 153-5, 2011 Feb.
Artigo em Francês | MEDLINE | ID: mdl-21282033

RESUMO

We report a case of impossible injection into a thoracic epidural catheter associated with a difficult withdrawal of this catheter after its introduction on the T3-T4 level. Thanks to a gentle and continuous traction, the catheter was finally successfully removed without being broken, but presented a simple knot at 13mm from its end. No neurological complication was observed later on. This complication happened during the introduction of the catheter at the thoracic level where anatomic conditions are less favorable for this kind of complication to happen than at the lumbar level. We have been probably confronted with a catheter taking an abnormal direction due to an anatomic structure. This case shows us that knots in an epidural catheter are also possible on the high thoracic level and that its ascent within the epidural space must happen without any resistance.


Assuntos
Analgesia Epidural/instrumentação , Catéteres , Adulto , Analgésicos Opioides/administração & dosagem , Analgésicos Opioides/uso terapêutico , Falha de Equipamento , Corpos Estranhos/terapia , Humanos , Masculino , Morfina/administração & dosagem , Morfina/uso terapêutico , Neoplasias Bucais/cirurgia , Dor Pós-Operatória/tratamento farmacológico
7.
Osteoporos Int ; 21(10): 1627-35, 2010 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-20204602

RESUMO

UNLABELLED: Whether depression can increase the risk of bone fractures is uncertain. This meta-analysis, which pooled results from 14 qualifying individual cohort studies, found that depression was associated with a significantly increased risk of fractures and bone loss. INTRODUCTION: The effect of depression on the risk of bone fractures is controversial. We conducted a meta-analysis of prospective studies that examined the risk of osteoporotic fractures and bone loss associated with depression. METHODS: We searched databases and reviewed citations in relevant articles to identify cohort studies that met prestated inclusion criteria; 14 studies were identified. Information on study design, participant characteristics, exposure and outcome measures, control for potential confounders, and risk estimates was abstracted independently by two investigators using a standardized protocol. Data were pooled by use of a random-effects model. RESULTS: In studies that reported fracture outcomes as hazard ratios (HRs) (six studies [n = 108,157]), depression was associated with a 17% increase in fracture risk (HR = 1.17; 95% confidence interval [CI], 1.00-1.36; P = 0.05); in studies that reported risk ratios as fracture outcomes (four studies [n = 33,428]), depression was associated with a 52% increase in risk (risk ratio, 1.52; 95% CI, 1.26-1.85; P < 0.001). In studies that reported bone mineral density as an outcome (five studies [n = 8,931]), depression was associated with a reduced annualized bone loss rate of 0.25% (0.05-0.45%; P = 0.02) at the hip and 0.29% (-0.07-0.64%; P = 0.11) at the spine. The HR for the three studies (n = 14,777) that did not adjust for antidepressant treatment was 1.30 (95% CI, 1.11-1.52; P = 0.01), and the HR for the three studies (n = 93,380) that did adjust for antidepressant treatment was 1.05 (95% CI, 0.86-1.29; P = 0.6). CONCLUSION: Evidence supports an association between depression and increased risk of fracture and bone loss that may be mediated by antidepressants.


Assuntos
Depressão/complicações , Transtorno Depressivo/complicações , Osteoporose/etiologia , Fraturas por Osteoporose/etiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Antidepressivos/efeitos adversos , Depressão/epidemiologia , Transtorno Depressivo/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Osteoporose/epidemiologia , Fraturas por Osteoporose/epidemiologia , Medição de Risco/métodos
8.
Osteoporos Int ; 21(8): 1449-54, 2010 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19937228

RESUMO

SUMMARY: The association between cadmium and osteoporosis in a multiethnic population is unclear. We found that urinary cadmium is consistently associated with osteopenia and osteoporosis in the Third National Health and Nutrition Examination Survey, regardless of age, sex, race, and smoking status. Cadmium exposure may be an independent risk factor for osteoporosis. INTRODUCTION: Our purpose was to test whether cadmium exposure is associated with a higher prevalence of osteopenia and osteoporosis in the general US population and selected subgroups. METHODS: We used multinomial logistic regression to analyze data on 10,978 subjects (aged 30-90) from the Third National Health and Nutrition Examination Survey. We studied the association of urinary cadmium levels (adjusted for urinary creatinine) and the prevalence of osteopenia and osteoporosis as defined by the World Health Organization. RESULTS: After adjustment for age, sex, ethnicity, body mass index, calcium intake, and physical inactivity, odds ratios (ORs) for osteopenia and osteoporosis increased dose dependently with two urinary cadmium levels (in micrograms of urinary cadmium per grams of urinary creatinine: level I, 1.00-1.99 mcg/g; level II, > or =2.00 mcg/g). Osteopenia results were as follows: level I OR, 1.49 (95% confidence interval [CI], 1.24-1.80); level II OR, 2.05 (95% CI, 1.52-2.78). Osteoporosis results were as follows: level I OR, 1.78 (95% CI, 1.26-2.52); level II OR, 3.80 (95% CI, 2.36-6.14). The association was consistent in all age, sex, race, and smoking status subgroups. CONCLUSIONS: Cadmium exposure may be a potential risk factor for osteopenia and osteoporosis in the general US population.


Assuntos
Doenças Ósseas Metabólicas/urina , Cádmio/urina , Adulto , Idoso , Idoso de 80 Anos ou mais , Doenças Ósseas Metabólicas/induzido quimicamente , Doenças Ósseas Metabólicas/epidemiologia , Cádmio/toxicidade , Exposição Ambiental/efeitos adversos , Exposição Ambiental/análise , Monitoramento Ambiental/métodos , Métodos Epidemiológicos , Monitoramento Epidemiológico , Feminino , Taxa de Filtração Glomerular/efeitos dos fármacos , Humanos , Masculino , Pessoa de Meia-Idade , Osteoporose/induzido quimicamente , Osteoporose/epidemiologia , Osteoporose/urina , Fumar/epidemiologia , Fumar/urina , Estados Unidos/epidemiologia
9.
Osteoporos Int ; 20(8): 1309-20, 2009 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19343469

RESUMO

SUMMARY: The association between depression and loss of bone mineral density (BMD) has been reported inconsistently. This meta-analysis, which pooled results from 14 qualifying individual studies, found that depression was associated with a significantly decreased BMD, with a substantially greater BMD decrease in depressed women and in cases of clinical depression. INTRODUCTION: The reported association between depression and loss of BMD has been controversial. This meta-analysis was conducted to determine whether depression and BMD are associated and to identify the variation in some subgroups. METHODS: English-language articles published before October 2008 were used as the data source. A total of six case-controlled and eight cross-sectional studies met prestated inclusion criteria (N = 10,523). Information on study design, participant characteristics, measurements of BMD and depression, and control for potential confounders was abstracted independently by two investigators using a standardized protocol. RESULTS: Overall, depression was associated with a significant decrease in mean BMD of spine (-0.053 g/cm(2) [95% confidence interval {CI} -0.087 to -0.018 g/cm(2)]) and hip (-0.052 g/cm(2) [95% CI -0.083 to -0.022 g/cm(2)]). A substantially greater BMD decrease was observed in depressed women (-0.076 g/cm(2) in spine; -0.059 g/cm(2) in hip) and in cases of clinical depression (-0.074 g/cm(2) in spine; -0.080 g/cm(2) in hip). CONCLUSION: Depression is associated with low BMD, with a substantially greater BMD decrease in depressed women and in cases of clinical depression. Depression should be considered as an important risk factor for osteoporosis.


Assuntos
Transtorno Depressivo/complicações , Osteoporose/etiologia , Adulto , Idoso , Densidade Óssea , Transtorno Depressivo/epidemiologia , Feminino , Articulação do Quadril/fisiopatologia , Humanos , Masculino , Pessoa de Meia-Idade , Osteoporose/epidemiologia , Osteoporose/fisiopatologia , Viés de Publicação , Projetos de Pesquisa , Sensibilidade e Especificidade , Coluna Vertebral/fisiopatologia
10.
Leukemia ; 23(7): 1337-41, 2009 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-19225538

RESUMO

We have studied a three-drug combination with cyclophosphamide, bortezomib and dexamethasone (CyBorD) on a 28-day cycle in the treatment of newly diagnosed multiple myeloma (MM) patients to assess response and toxicity. The primary endpoint of response was evaluated after four cycles. Thirty-three newly diagnosed, symptomatic patients with MM received bortezomib 1.3 mg/m(2) intravenously on days 1, 4, 8 and 11, cyclophosphamide 300 mg/m(2) orally on days 1, 8, 15 and 22 and dexamethasone 40 mg orally on days 1-4, 9-12 and 17-20 on a 28-day cycle for four cycles. Responses were rapid with a mean 80% decline in the sentinel monoclonal protein at the end of two cycles. The overall intent to treat response rate (>or= partial response) was 88%, with 61% of very good partial response or better (>or=VGPR) and 39% of complete/near complete response (CR/nCR). For the 28 patients who completed all four cycles of therapy, the CR/nCR rate was 46% and VGPR rate was 71%. All patients undergoing stem cell harvest had a successful collection. Twenty-three patients underwent stem cell transplantation (SCT) and are evaluable through day 100 with CR/nCR documented in 70% and >or=VGPR in 74%. In conclusion, CyBorD produces a rapid and profound response in patients with newly diagnosed MM with manageable toxicity.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Mieloma Múltiplo/tratamento farmacológico , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Ácidos Borônicos/administração & dosagem , Bortezomib , Ciclofosfamida/administração & dosagem , Dexametasona/administração & dosagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Mieloma Múltiplo/cirurgia , Pirazinas/administração & dosagem , Transplante de Células-Tronco , Resultado do Tratamento
11.
Neurology ; 70(16 Pt 2): 1452-5, 2008 Apr 15.
Artigo em Inglês | MEDLINE | ID: mdl-18413570

RESUMO

OBJECTIVE: To assess pathologic changes in prospectively characterized subjects with essential tremor (ET). METHODS: Subjects enrolled in the Sun Health Research Institute Brain and Body Donation Program were examined annually by a movement disorders neurologist, and semiannually by a behavioral neurologist and neuropsychologist. Twenty-four subjects without a prior diagnosis of dementia or other major movement disorder met clinical criteria for ET and came to autopsy. Subjects with mild cognitive impairment (n = 3) were included. These subjects were compared with 21 controls. Brains were examined postmortem according to standardized protocols for assessment of age-related changes and specific pathologic conditions (e.g., Parkinson disease, Alzheimer disease). RESULTS: Subjects had a mean age of 86.2 years and a mean duration of tremor of 11.1 years. Seven subjects had evidence for cerebellar pathology (Purkinje cell loss, cerebellar cortical sclerosis, and proliferation of Bergmann glia). Pigmented neurons were qualitatively depleted in the locus ceruleus in eight subjects and in the substantia nigra in five subjects. Of these, three had Lewy bodies, one subject had brainstem predominant disease, and two had limbic stage. Three subjects had a nonspecific cerebral tauopathy and another met pathologic criteria for progressive supranuclear palsy. However, when compared with controls, only changes in the locus ceruleus and gliosis of the cerebellum remained significant findings. CONCLUSIONS: This study supports previous findings of heterogenous pathology in essential tremor (ET). There is an increased frequency of cerebellar gliosis and locus ceruleus depletion. We did not find an increased incidence of Lewy bodies in subjects with ET.


Assuntos
Tremor Essencial/patologia , Idoso de 80 Anos ou mais , Cerebelo/patologia , Tremor Essencial/epidemiologia , Feminino , Gliose/epidemiologia , Gliose/patologia , Humanos , Locus Cerúleo/patologia , Masculino , Estudos Prospectivos
12.
Cephalalgia ; 27(6): 528-34, 2007 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-17459081

RESUMO

We set out to identify predictors for the prophylactic effect of placebo injections in subjects with migraine by post hoc analysis of 81 subjects with episodic migraine receiving single-blind placebo injections in a prospective trial of botulinum toxin. Possible predictors of placebo prophylaxis were compared among placebo responders (PRs) and placebo non-responders (PNRs). There were 34 PRs (42%) and 47 PNRs (58%). Male gender [odds ratio (OR) 5.83, 95% confidence interval (CI) 1.12, 30.14, P = 0.022], a history of opioid use (OR 4.44, 95% CI 1.47, 13.41, P = 0.005) and injections in the neck/shoulders (OR 2.44, 95% CI 0.93, 3.19, P = 0.033) were associated with placebo response. Of subjects with two or more of these signs, 88% were PRs compared with 31% of subjects with one or less. Male gender, opioid use and injections in the neck/shoulders are associated with placebo prophylaxis. These findings may have important implications for the design of future clinical trials and for the clinical management of migraineurs.


Assuntos
Toxinas Botulínicas Tipo A/uso terapêutico , Transtornos de Enxaqueca/prevenção & controle , Fármacos Neuromusculares/uso terapêutico , Adulto , Analgésicos Opioides/farmacologia , Método Duplo-Cego , Feminino , Humanos , Masculino , Efeito Placebo , Fatores Sexuais
13.
Parkinsonism Relat Disord ; 13(6): 348-54, 2007 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-17347022

RESUMO

We sought to define quantitative electroencephalographic (EEG) measures as biomarkers of both early and late cognitive decline in Parkinson's disease (PD). PD subjects classified as cognitively normal (PD-CogNL), mild cognitive impairment (PD-MCI), and dementia (PD-D) were studied. Cognitive status and neuropsychological testing was correlated with background rhythm and frequency band EEG power across five frequency bands. We conclude that global EEG measures have potential use as biomarkers in the study of both early and late cognitive deterioration in PD, including for evaluating its treatment. PD-MCI has mean quantitative EEG characteristics that represent an intermediate electrophysiological state between PD-CogNL and PD-D.


Assuntos
Transtornos Cognitivos/etiologia , Eletroencefalografia , Doença de Parkinson/complicações , Idoso , Idoso de 80 Anos ou mais , Progressão da Doença , Feminino , Humanos , Masculino , Testes Neuropsicológicos , Estudos Retrospectivos
14.
Cephalalgia ; 27(2): 153-7, 2007 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-17257236

RESUMO

The aim of this study was to examine the safety and efficacy of occipital nerve stimulation for medically intractable headache. Electrical stimulation of large sensory afferents has an antinociceptive effect. Occipital nerve stimulation may be effective for the treatment of medically intractable headache. Retrospective analysis was performed of 15 patients with medically refractory headache who underwent implantation of an occipital nerve stimulator. Pre- and postimplant data regarding headache frequency, severity, disability, depression and poststimulator complications were collected. Twelve patients were female and three male. Ages ranged from 21 to 52 years (mean 39 years). Eight patients had chronic migraine, three chronic cluster, two hemicrania continua and two had post-traumatic headache. Eight patients underwent bilateral and seven had unilateral lead placement. Patients were measured after 5-42 months (mean 19). All six mean headache measures improved significantly from baseline (P < 0.03). Headache frequency per 90 days improved by 25 days from a baseline of 89 days; headache severity (0-10) improved 2.4 points from a baseline of 7.1 points; MIDAS disability improved 70 points from a baseline of 179 points; HIT-6 scores improved 11 points from a baseline of 71 points; BDI-II improved eight points from a baseline of 20 points; and the mean subjective percent change in pain was 52%. Most patients (60%) required lead revision within 1 year. One patient required generator revision. Occipital nerve stimulation may be effective in some patients with intractable headache. Surgical revisions may be commonly required. Safety and efficacy results from prospective, randomized, sham-controlled studies in patients with medically refractory headache are needed.


Assuntos
Terapia por Estimulação Elétrica , Transtornos da Cefaleia/terapia , Neurônios Aferentes/fisiologia , Adulto , Dermatite de Contato/etiologia , Terapia por Estimulação Elétrica/efeitos adversos , Eletrodos Implantados/efeitos adversos , Feminino , Migração de Corpo Estranho , Humanos , Masculino , Pessoa de Meia-Idade , Dor/etiologia , Estudos Retrospectivos , Resultado do Tratamento
15.
Endoscopy ; 38(5): 498-502, 2006 May.
Artigo em Inglês | MEDLINE | ID: mdl-16767586

RESUMO

BACKGROUND AND STUDY AIMS: Capsule endoscopy, proven effective for evaluation of obscure gastrointestinal bleeding and suspected Crohn's disease, is increasingly used to investigate other small-intestine disorders, but its yield for other indications is not well known. We sought to evaluate its yield and findings for abdominal pain or diarrhea. PATIENTS AND METHODS: Medical records of patients with abdominal pain or diarrhea (> 6 weeks' duration) who underwent capsule endoscopy between August 2001 and June 2004 were retrospectively reviewed for demographic data, indications, findings, diagnoses, complications, and radiologic studies. All patients had previous endoscopic or radiologic examinations (colonoscopy, enteroscopy, upper endoscopy, small-bowel series, computed tomography enterography, or computed tomography) demonstrating no abnormalities sufficient for diagnosis. RESULTS: 64 patients (26 men; 38 women; mean age, 43 years; age range, 19 - 83 years) who met study criteria had 68 capsule endoscopy studies. Indications were abdominal pain (35 patients), diarrhea (14), or both (15). Complete small-bowel visualization with identification of the cecum was achieved in 81 %; yield of positive findings was 9 % (6 patients). By indications, the yield was 6 % for abdominal pain, 14 % for diarrhea, and 13 % for both. Diagnoses included Crohn's disease (3), enteropathy induced by nonsteroidal anti-inflammatory drugs (2), and submucosal tumor (1). Capsule retention occurred in two patients, requiring surgical removal. CONCLUSIONS: Capsule endoscopy had a low yield for evaluation of abdominal pain or diarrhea and cannot be recommended as a first-line test without further study. Nonetheless, it facilitated diagnosis in 9 % of patients with negative endoscopic and radiologic examinations.


Assuntos
Dor Abdominal/etiologia , Diarreia/etiologia , Endoscopia Gastrointestinal/métodos , Gastroenteropatias/diagnóstico , Adulto , Idoso , Idoso de 80 Anos ou mais , Intervalos de Confiança , Diagnóstico Diferencial , Feminino , Gastroenteropatias/complicações , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
17.
Neurology ; 62(11): 1990-5, 2004 Jun 08.
Artigo em Inglês | MEDLINE | ID: mdl-15184602

RESUMO

OBJECTIVE: To determine whether memory loss is detectable before the symptomatic presentation of mild cognitive impairment (MCI) in those at greater genetic risk for Alzheimer disease (AD) based upon presence or absence of the e4 allele of APOE. METHODS: Participants were age 50 years or older who responded to newspaper advertisements. A total of 212 cognitively normal individuals of known APOE genotype were initially enrolled in a match paradigm that included e4 homozygotes, e3/4 heterozygotes, and e4 noncarriers in a 1:1:2 ratio (53 sets). Of the original 212 individually matched participants, 180 completed at least two epochs of testing including 45 APOE e4/4 homozygotes, 42 APOE e3/4 heterozygotes, and 93 APOE e4 noncarriers, mean age 60 (+/-6.2) years. Of these, four developed MCI or AD during the follow-up period and were excluded from analysis. Longitudinal neuropsychological study included two verbal (Auditory Verbal Learning Test [AVLT], Selective Reminding Test [SRT]) and two visual (Complex Figure Test [CFT], Visual Retention Test) memory tests. RESULTS: Multiple measures on both verbal memory tests showed poorer performance over a mean interval of 33 months in e4 carriers than noncarriers: AVLT total learning, long term delayed recall; SRT free and cued recall. Among those age 50 to 59 years, AVLT long term delayed recall, SRT free and cued recall, and CFT recall declined more in APOE e4 carriers. No differences were found in the domains of language, spatial skills, or executive function. CONCLUSIONS: Memory declined in APOE e4 carriers before the symptomatic presentation of MCI in a cohort whose mean age was 60 years over a median period of 33 months. The decline began prior to age 60.


Assuntos
Apolipoproteínas E/fisiologia , Idoso , Doença de Alzheimer/epidemiologia , Doença de Alzheimer/genética , Apolipoproteína E4 , Apolipoproteínas E/genética , Arizona/epidemiologia , Viés , Cognição , Estudos de Coortes , Depressão/epidemiologia , Feminino , Predisposição Genética para Doença , Genótipo , Humanos , Testes de Linguagem , Estudos Longitudinais , Masculino , Transtornos da Memória/epidemiologia , Transtornos da Memória/genética , Rememoração Mental , Pessoa de Meia-Idade , Testes Neuropsicológicos
18.
Neurology ; 62(8): 1405-7, 2004 Apr 27.
Artigo em Inglês | MEDLINE | ID: mdl-15111683

RESUMO

The authors performed a double-blind, placebo-controlled, crossover study of ropinirole (0.5 to 6.0 mg/day) for restless legs syndrome (RLS). The RLS Rating Scale score improved (p < 0.001) from a mean (SD) of 25 (7) during placebo treatment to 13 (12) during ropinirole treatment. Eight of the 22 patients had complete resolution of symptoms on ropinirole. Adverse events included nausea and dizziness. Ropinirole was effective and well tolerated for treating the symptoms of RLS.


Assuntos
Agonistas de Dopamina/uso terapêutico , Indóis/uso terapêutico , Síndrome das Pernas Inquietas/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos Cross-Over , Tontura/induzido quimicamente , Agonistas de Dopamina/efeitos adversos , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Humanos , Indóis/efeitos adversos , Masculino , Pessoa de Meia-Idade , Náusea/induzido quimicamente , Resultado do Tratamento
19.
Parkinsonism Relat Disord ; 8(3): 161-4, 2002 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-12039425

RESUMO

We previously reported changes in motor unit morphology in patients with Parkinson's disease (PD) using subjective and computerized quantitative electromyography. Now, we present data on motor unit number estimates (MUNE) to address the hypothesis of motor neuron dropout in PD. Twenty patients with PD and 20 age-matched control subjects were screened by clinical criteria and nerve conduction studies to exclude those with neuropathy. Motor unit number estimates in the extensor digitorum brevis and hypothenar group were assessed by three different MUNE techniques. The MUNE technique types included (1) the statistical method developed by Daube, (2) a threshold method, and (3) an F-wave method. The overall multivariate comparison for the six MUNE measurements was significantly lower for the patients than the controls (P=0.02). The only significant difference in the individual measures was found in the threshold MUNE method of the hypothenar group (P<0.05). These results are consistent with those of our previous work, and both support the hypothesis that mild motor neuron dropout occurs in idiopathic PD. However, MUNE methods characteristically have large standard deviations which make it difficult to detect small changes. Progress in decreasing the variance of MUNEs will facilitate their use in detecting small motor unit number changes in neurodegenerative disease.


Assuntos
Neurônios Motores/patologia , Doença de Parkinson/patologia , Idoso , Contagem de Células , Diagnóstico por Computador , Eletromiografia , Feminino , Mãos , Humanos , Masculino , Pessoa de Meia-Idade , Músculo Esquelético/inervação , Condução Nervosa , Doença de Parkinson/fisiopatologia , Valores de Referência
20.
Am J Obstet Gynecol ; 185(6): 1354-8; discussion 1459, 2001 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-11744909

RESUMO

OBJECTIVE: To determine donor site morbidity associated with harvesting of fascia lata. STUDY DESIGN: We reviewed medical records and evaluated responses to mailed questionnaires from all patients who underwent fascia lata harvesting during a 54-month period. Data were collected about immediate complications and long-term morbidity related to the donor site. RESULTS: The study comprised 71 patients. Immediate postoperative complications were limited to 1 (1%) hematoma that required drainage, 2 (3%) seromas, and 5 (7%) cases of cellulitis that required oral antibiotics. Questionnaire response rate was 77%, with a mean follow-up of 25 months. Of the responders, 22 (40%) reported mild symptoms, 3 (5%) reported clinically significant symptoms related to the donor leg, and 7 (13%) expressed dissatisfaction because of unacceptable cosmesis (n = 5), leg discomfort (n = 5), or both. CONCLUSION: There was little immediate postoperative morbidity. Although many patients may be expected to report long-term symptoms related to the donor leg, these symptoms are generally mild, and the incidence of patient dissatisfaction is relatively low.


Assuntos
Fascia Lata , Coleta de Tecidos e Órgãos/efeitos adversos , Coleta de Tecidos e Órgãos/métodos , Adulto , Idoso , Idoso de 80 Anos ou mais , Celulite (Flegmão)/etiologia , Estética , Exsudatos e Transudatos , Fascia Lata/transplante , Feminino , Procedimentos Cirúrgicos em Ginecologia , Hematoma/etiologia , Humanos , Período Intraoperatório , Perna (Membro)/cirurgia , Pessoa de Meia-Idade , Dor/etiologia , Período Pós-Operatório , Estudos Retrospectivos , Transplante Autólogo
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