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1.
Public Health Nutr ; 21(10): 1921-1932, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29551101

RESUMO

OBJECTIVE: To assess the association of fish consumption with risk of dementia and its dose-response relationship, and investigate variations in the association among low-, middle- and high-income countries. DESIGN: A new community-based cross-sectional study and a systematic literature review.SettingsUrban and rural communities in China; population-based studies systematically searched from worldwide literature. SUBJECTS: Chinese adults aged ≥60 years in six provinces (n 6981) took part in a household health survey of dementia prevalence and risk factors. In addition, 33 964 participants from eleven published and eligible studies were included in the systematic review and meta-analysis. RESULTS: In the new study in China, 326 participants were diagnosed with dementia (4·7 %); those who consumed any amount of fish in the past two years v. those who consumed no fish had reduced risk of dementia (adjusted OR=0·73, 95 % CI 0·64, 0·99), but the dose-response relationship was not statistically significant. The meta-analysis of available data from the literature and the new study showed relative risk (RR) of dementia of 0·80 (95 % CI 0·74, 0·87) for people with fish consumption; the impact was similar among countries with different levels of income. Pooled dose-response data revealed RR (95 % CI) of 0·84 (0·72, 0·98), 0·78 (0·68, 0·90) and 0·77 (0·61, 0·98) in people with low, middle and high consumption of fish, respectively. Corresponding figures for Alzheimer's disease were 0·88 (0·74, 1·04), 0·79 (0·65, 0·96) and 0·67 (0·58, 0·78), respectively. CONCLUSIONS: Greater consumption of fish is associated with a lower risk of dementia. Increasing fish consumption may help prevent dementia worldwide regardless of income level.


Assuntos
Demência/epidemiologia , Dieta/estatística & dados numéricos , Peixes , Alimentos Marinhos , Animais , China/epidemiologia , Estudos Transversais , Humanos , Pessoa de Meia-Idade
2.
PLoS One ; 12(7): e0181176, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28723921

RESUMO

IMPORTANCE: Postnatal dexamethasone is associated with reduction in bronchopulmonary dysplasia. There remains, however, concern that its short-term benefits are accompanied by long-term adverse effects e.g. poorer neurodevelopmental outcomes. OBJECTIVE: Our aim was to determine the effects of administration of postnatal dexamethasone on respiratory and neurodevelopmental outcome at two years of age after adjusting for neonatal and infant risk factors. MATERIALS AND METHODS: The study included 412 infants born at 23-28 weeks of gestation, 29% had received postnatal dexamethasone. Two outcomes were examined, respiratory hospital admissions in the past 12 months and neurodevelopmental impairment. Logistic regression, adjusted for sex, birthweight z-score, gestation, maternal smoking, oxygen dependency at 36 weeks, airleak, patent ductus arteriosus, pulmonary haemorrhage, major ultrasound abnormality, mode of ventilation and age at assessment, was undertaken. RESULTS: After adjustment, postnatal dexamethasone was associated with significantly increased proportions of both respiratory hospital readmission: (0.35 vs 0.15, difference = 0.20; 95% CI: 0.08, 0.31) and neurodevelopmental impairment (0.59 vs 0.45, difference = 0.14; 95% CI: 0.02, 0.26). CONCLUSIONS: Postnatal dexamethasone use in extremely preterm infants is associated with increased risks of respiratory hospital admissions and neurodevelopmental impairment. These associations were not explained by excess neonatal morbidities.


Assuntos
Displasia Broncopulmonar/prevenção & controle , Desenvolvimento Infantil/fisiologia , Dexametasona/efeitos adversos , Glucocorticoides/efeitos adversos , Hospitalização , Transtornos Respiratórios/induzido quimicamente , Desenvolvimento Infantil/efeitos dos fármacos , Pré-Escolar , Dexametasona/farmacologia , Dexametasona/uso terapêutico , Feminino , Glucocorticoides/farmacologia , Glucocorticoides/uso terapêutico , Humanos , Lactente , Lactente Extremamente Prematuro , Recém-Nascido , Masculino , Gravidez
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