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1.
Alzheimer Dis Assoc Disord ; 31(2): 120-127, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28263191

RESUMO

INTRODUCTION: The association between history of coronary artery bypass graft surgery (CABG) and dementia risk remains unclear. METHODS: We conducted a prospective cohort analysis using data on 3155 elderly adults free from prevalent dementia from the US population-based Cardiovascular Health Study (CHS) with adjudicated incident all-cause dementia, Alzheimer disease (AD), vascular dementia (VaD), and mixed dementia. RESULTS: In the CHS, the hazard ratio (HR) for all-cause dementia was 1.93 [95% confidence interval (CI), 1.36-2.74] for those with CABG history compared with those with no CABG history after adjustment for potential confounders. Similar HRs were observed for AD (HR=1.71; 95% CI, 0.98-2.98), VaD (HR=1.42; 95% CI, 0.56-3.65), and mixed dementia (HR=2.73; 95% CI, 1.55-4.80). The same pattern of results was observed when these CHS findings were pooled with a prior prospective study, the pooled HRs were 1.96 (95% CI, 1.42-2.69) for all-cause dementia, 1.71 (95% CI, 1.04-2.79) for AD and 2.20 (95% CI, 0.78-6.19) for VaD. DISCUSSION: Our results suggest CABG history is associated with long-term dementia risk. Further investigation is warranted to examine the causal mechanisms which may explain this relationship or whether the association reflects differences in coronary artery disease severity.


Assuntos
Ponte de Artéria Coronária/efeitos adversos , Demência/epidemiologia , Idoso , Doenças Cardiovasculares/complicações , Feminino , Humanos , Masculino , Prevalência , Estudos Prospectivos , Fatores de Risco , Estados Unidos
2.
J Am Acad Child Adolesc Psychiatry ; 57(8): 561-570, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-30071977

RESUMO

OBJECTIVE: Conduct disorder (CD) is associated with impairments in facial emotion recognition. However, CD commonly co-occurs with attention-deficit/hyperactivity disorder (ADHD); thus, it is unclear whether these impairments are explained by ADHD or by one of its core features-inattention. We explored whether emotion recognition impairments are specific to individuals with ADHD and comorbid CD while also examining the mechanisms that might explain such deficits. METHOD: A total of 63 male and female adolescents with ADHD (mean age = 14.2 years, age range = 11-18 years) and with (ADHD+CD) or without (ADHD) comorbid CD, and 41 typically developing controls (healthy controls [HC]; mean age = 15.5, age range = 11-18 years) performed an emotion recognition task with concurrent eye-tracking. RESULTS: Participants with ADHD+CD were less accurate at recognizing fear and neutral faces, and more likely to confuse fear with anger than participants with ADHD alone and HC. Both ADHD subgroups fixated the eye region less than HC. Although there was a negative correlation between ADHD symptom severity and eye fixation duration, only CD severity was inversely related to emotion recognition accuracy. CONCLUSION: Only ADHD participants with comorbid CD showed impairments in emotion recognition, suggesting that these deficits are specific to individuals with conduct problems. However, lack of attention to the eye region of faces appears to be a characteristic of ADHD. These findings suggest that emotion recognition impairments in those with ADHD+CD are related to misinterpretation rather than poor attention, offering interesting opportunities for intervention.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade/fisiopatologia , Emoções/fisiologia , Reconhecimento Facial/fisiologia , Fixação Ocular/fisiologia , Reconhecimento Psicológico , Adolescente , Transtorno da Conduta/fisiopatologia , Feminino , Humanos , Masculino
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