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1.
Artigo em Inglês | MEDLINE | ID: mdl-39320520

RESUMO

BACKGROUND: Limited information exists on carriage of multidrug-resistant organisms (MDRO) by health workers (HWs) in primary care settings. This study aims to determine the prevalence of MDRO carriage among HWs in primary care and to identify associated risk factors. METHODS: A cross-sectional study was conducted across all 12 primary care units in São Caetano do Sul-SP, Brazil, from October to December 2023. Self-collected samples (nasal, oropharyngeal, and inguinal) were obtained. Environment cultures (potable water, sewage and stream water) were evaluated. Stenotrophomonas maltophilia isolates (human and environmental) were typed. RESULTS: The study included 265/288 (92%) of HWs in primary care teams, mostly women with a median age of 47 years (IQR 38-57); 78% had no comorbidities. MDRO colonisation was found in 8.7% (23 HWs). The following bacteria were found: S. maltophilia (n = 9; 3.4%) in inguinal swabs; methicillin-resistant Staphylococcus aureus (n = 8; 3%) from all sites; extended-spectrum ß-lactamase-producing bacteria (n = 5; 2%) in inguinal swabs; and vancomycin-resistant enterococci in an inguinal swab (n = 1; 0.4%). Previous antibiotic use was significantly associated with MDRO colonisation (OR 2.91, 95% CI 1.19-7.09, p = 0.018), mainly narrow spectrum oral beta-lactams and macrolides. S. malthophilia was polyclonal and human and environmental isolates differed. CONCLUSION: Colonisation by MRSA, VRE, and ESBL-producing bacteria was low; however, 4% were surprisingly colonized by polyclonal S. maltophilia. This pathogen may also suggest using narrow-spectrum rather than the expected broad-spectrum antimicrobials. Antibiotic use was the only risk factor found, mainly with oral narrow-spectrum drugs.

2.
J Pediatr ; 159(2): 186-91, 2011 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21429512

RESUMO

OBJECTIVE: To examine combination breast milk and formula-feeding (CBFF), defined as daily breast-feeding and formula-feeding begun in the first week of life and to examine associations between CBFF and overall breast-feeding duration. STUDY DESIGN: We used the National Health and Nutrition Examination Survey, 1999-2006, to determine the prevalence of CBFF in both univariable and multivariable analyses. We examined breast-feeding duration using Kaplan-Meier and Cox proportional hazards analyses. RESULTS: Among 6788 children ages 0-71 months, 8% were CBFF and 55% were exclusively breast-fed during the first week of life. Factors independently associated with CBFF were Hispanic ethnicity (adjusted OR, 3.81) and black race (adjusted OR, 2.59). CBFF was associated with decreased overall breast-feeding duration in the full cohort (P < .001) but not in the Hispanic or black subgroups. CBFF and formula-feeding, when compared with 4 months of exclusive breast-feeding, were associated with an increased risk for overweight/obesity between ages 2 and 6 years. CONCLUSIONS: In a nationally representative sample, CBFF is associated with shorter overall breast-feeding duration in white but not Hispanic or black mother-baby dyads. A significant number of US infants, though breast-fed, do not receive the health benefits of exclusive breast-feeding.


Assuntos
Aleitamento Materno/estatística & dados numéricos , Fórmulas Infantis , Fenômenos Fisiológicos da Nutrição do Lactente/fisiologia , Leite Humano , Inquéritos Nutricionais/métodos , Estado Nutricional/fisiologia , Peso Corporal , Pré-Escolar , Estudos Transversais , Feminino , Seguimentos , Humanos , Lactente , Recém-Nascido , Masculino , Estudos Retrospectivos , Fatores de Risco , Estados Unidos
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