The Effect of Circumcision on Exclusive Breastfeeding, Phototherapy, and Hospital Length of Stay in Term Breastfed Newborns.

BACKGROUND AND OBJECTIVES: Little is known about the effect of circumcision on breastfeeding in the hours and days after the procedure. Factors with the potential to negatively impact breastfeeding success in the newborn period may result in higher rates of jaundice requiring phototherapy and formula supplementation, both of which can potentially extend the length of initial hospitalization. Our objective was to determine the impact of circumcision on rates of exclusive breastfeeding, neonatal jaundice requiring phototherapy, and length of stay at hospital discharge immediately after birth. METHODS: Term male newborn infants whose mothers intended to exclusively breastfeed were included in this retrospective cohort. Bivariate analysis and multivariate logistic regression modeling were used to evaluate target behaviors, comparing infant boys who were circumcised with those who were uncircumcised. RESULTS: Of the 1109 breastfed male newborns included, 846 (76.6%) were circumcised. There was no significant effect of circumcision status or circumcision timing on the rate of in-hospital formula supplementation. There were no differences in peak bilirubin levels, phototherapy requirement, or length of hospital stay for male newborns based on circumcision status. CONCLUSIONS: Circumcision did not affect the rate of exclusive breastfeeding, neonatal jaundice, phototherapy requirement, or length of hospital stay in this retrospective analysis of breastfed male newborns.

Circulating versus lipopolysaccharide-induced inflammatory markers as correlates of subthreshold depressive symptoms in older adults.

Objectives: Circulating cytokines have been associated with depression, but their detection has limitations, which may be overcome by direct detection of intracellular cytokines (ICCs) after lipopolysaccharide (LPS) stimulation in vitro. This study compared circulating versus LPS-induced inflammatory markers as correlates of subthreshold depressive symptoms.Methods: Secondary data analysis of a cross-sectional insomnia study in healthy community-dwelling older adults was conducted. In 117 participants (≥55 years), plasma tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6), C-reactive protein (CRP) and in vitro LPS-induced monocyte production of IL-6 and TNF-α were assayed. Depressive symptoms were assessed using the clinician-rated Inventory of Depressive Symptomatology (IDS-C). Multivariate linear regression was conducted to test the associations between inflammatory markers and subthreshold depressive symptoms in the entire sample as well as in subgroups stratified into higher and lower inflammation levels.Results: LPS-induced TNF-α (adjusted ß = 0.28, p = .04), IL-6 (0.29, p = .03) and TNF-α + IL-6 (0.43, p = .001) significantly positively correlated with subthreshold depressive symptoms only in higher inflammation subgroups. No circulating biomarkers positively correlated in any subgroups. In the entire sample, no biomarkers were significantly associated with subthreshold depressive symptoms.Conclusions: LPS-induced cytokines may be more sensitive correlates of subthreshold depressive symptoms than circulating cytokines, particularly in older adults with higher systemic inflammation.Clinical Trials Registry: ClinicalTrials.gov NCT00280020.