ContextTo assess the global burden of late and/or poor management of severe neonatal jaundice (SNJ), a common problem worldwide, which may result in death or irreversible brain damage with disabilities in survivors. Population-based data establishing the global burden of SNJ has not been previously reported.ObjectiveDetermine the burden of SNJ in all WHO regions, as defined by clinical jaundice associated with clinical outcomes including acute bilirubin encephalopathy/kernicterus and/or exchange transfusion (ET) and/or jaundice-related death.Data sourcesPubMed, Scopus and other health databases were searched, without language restrictions, from 1990 to 2017 for studies reporting the incidence of SNJ.Study selection/data extractionStratification was performed for WHO regions and results were pooled using random effects model and meta-regression.ResultsOf 416 articles including at least one marker of SNJ, only 21 reported estimates from population-based studies, with 76% (16/21) of them conducted in high-income countries. The African region has the highest incidence of SNJ per 10 000 live births at 667.8 (95% CI 603.4 to 738.5), followed by Southeast Asian, Eastern Mediterranean, Western Pacific, Americas and European regions at 251.3 (132.0 to 473.2), 165.7 (114.6 to 238.9), 9.4 (0.1 to 755.9), 4.4 (1.8 to 10.5) and 3.7 (1.7 to 8.0), respectively. The incidence of ET per 10 000 live births was significantly higher for Africa and Southeast Asian regions at 186.5 (153.2 to 226.8) and 107.1 (102.0 to 112.5) and lower in Eastern Mediterranean (17.8 (5.7 to 54.9)), Americas (0.38 (0.21 to 0.67)), European (0.35 (0.20 to 0.60)) and Western Pacific regions (0.19 (0.12 to 0.31). Only 2 studies provided estimates of clear jaundice-related deaths in infants with significant jaundice [UK (2.8%) and India (30.8%).ConclusionsLimited but compelling evidence demonstrates that SNJ is associated with a significant health burden especially in low-income and middle-income countries.
Background Early age (<45 years) at menopause has been postulated to be associated with increased cardiovascular disease risk; however, evidence of its relation with heart failure ( HF ) incidence is limited. We examined whether age at menopause is associated inversely with HF incidence in the Atherosclerosis Risk In Communities ( ARIC ) study and summarized all existing data in a meta‐analysis. Methods and Results In ARIC , data were obtained from 5629 postmenopausal women (mean age 56 years, 26% with bilateral oophorectomy) without HF . During a median follow‐up of 21.4 years, 965 incident HF events occurred. In a Cox regression model adjusted for reproductive health and HF risk factors, the hazard ratios for incident HF across categories of age at menopause (<45, 45–49, 50–54, and ≥55 years) were 1.32, 1.17, 1.00 (referent), and 1.12, respectively. Compared with women with later onset of menopause (aged ≥45 years), those with early menopause had elevated HF risk (hazard ratio 1.20, 95% CI 1.01–1.43). For the meta‐analysis, we searched Medline and Embase for articles published through December 2015 that prospectively evaluated age at menopause and HF risk. Summarized estimates from the 3 included studies (3568 events) showed higher HF risk among women with early menopause compared with those with later menopause (hazard ratio 1.33, 95% CI 1.15–1.53). Conclusions These results provided evidence that early age at menopause is associated with a modestly greater risk of HF . Identification of women with early menopause offers a window of opportunity to implement interventions that will improve overall cardiovascular health during the postmenopausal years.
OBJECTIVEOvarian hormones regulate glucose uptake and insulin sensitivity. Despite the high frequency of surgical menopause, its relationship with diabetes has not been extensively investigated. We assessed the association between hysterectomy with or without bilateral oophorectomy (BSO) status, menopausal age, and reproductive life span with incident diabetes. RESEARCH DESIGN AND METHODSData were from a cohort of 2,597 postmenopausal women enrolled in the National Health and Nutrition Examination Survey I Epidemiologic Follow-up Study without diabetes mellitus at baseline. Cox proportional hazards regression models were used to calculate adjusted hazard ratios (HRs) and 95% CIs. RESULTSAfter a median follow-up time of 9.2 years, the incidence of diabetes (in cases per 1,000 person-years) was 7.4 for women with no hysterectomy or BSO, 8.2 for hysterectomy alone, and 8.5 for hysterectomy with BSO. Hysterectomy status was associated positively with diabetes (HR 1.66, 95% CI 1.23-2.23). However, the elevated risk was restricted to women with both hysterectomy and BSO after adjustment for relevant confounders (HR 1.57, 95% CI 1.03-2.41). An earlier age at menopause and a shorter reproductive life span also exhibited a linear relationship with the development of diabetes irrespective of type of menopause (P for trend = 0.001). CONCLUSIONSWomen with hysterectomy concomitant with BSO may represent a unique population with elevated risk for diabetes and other chronic diseases. Therefore, the decision to remove the ovaries at the time of hysterectomy for benign conditions during the premenopausal years should be balanced with the risk of diabetes and its potential complications. Furthermore, the mechanism linking BSO to diabetes mellitus needs to be clarified.
In the present study, we compared changes in risk factors for cardiovascular disease (CVD) before and after natural menopause (NM), hysterectomy with at least 1 ovary conserved (HOC), or hysterectomy with bilateral oophorectomy (HBSO). Data were obtained from women 18-30 years of age who were enrolled in the Coronary Artery Risk Development in Young Adults Study (1985-2011). Piecewise linear mixed models were used to examine changes in CVD risk factors from baseline to the index visit (the first visit after the date of NM or hysterectomy) and after index visit until the end of follow-up. During 25 years of follow-up, 1,045 women reached menopause (for NM, n = 588; for HOC, n = 304; and for HBSO, n = 153). At baseline, women with either type of hysterectomy had less favorable values for CVD risk factors. When comparing the annual rates of change of all CVD risk factors from baseline until the index visit to those from the index visit to the end of follow-up, we saw a small increase in rate of change for high-density lipoprotein cholesterol (β = 0.28 mg/dL; P = 0.002) and a decrease for triglycerides (β =-0.006 mg/dL; P = 0.027) for all groups. Hysterectomy was not associated with risk factors for CVD after accounting for baseline values. However, antecedent young-adult levels of CVD risk factors were strong predictors of levels of postmenopausal risk factors.
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