As results from single center (mostly kidney) donor studies demonstrate interpersonal relationship and financial strains for some donors, we conducted a liver donor study involving nine centers within the A2ALL-2 Consortium. Among other initiatives A2ALL-2 examined the nature of these outcomes following donation. Using validated measures, donors were prospectively surveyed pre-donation, and 3, 6, 12, and 24 months post-donation. Repeated measures regression models were used to examine social relationship and financial outcomes over time and identify relevant predictors. Of 297 eligible donors, 271 (91%) consented and were interviewed at least once. Relationship changes were overall positive across post-donation time points, with nearly one-third reporting improved donor family and spousal/partner relationships and >50% reporting improved recipient relationships. However, the majority of donors reported cumulative out-of-pocket medical and non-medical expenses, which were judged burdensome by 44% of donors. Lower income predicted burdensome donation costs. Those who anticipated financial concerns and who held non-professional positions before donation were more likely to experience adverse financial outcomes. These data support the need for initiatives to reduce financial burden.

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Objective To assess whether the risk of vulvodynia is associated with previous use of oral contraceptives (OCs). Design Longitudinal population-based study. Setting Four counties in south-east Michigan, USA. Population A population-based sample of women, aged 18 years and older, enrolled using random-digit dialling. Methods Enrolled women completed surveys that included information on demographic characteristics, health status, current symptoms, past and present OC use, and a validated screen for vulvodynia. The temporal relationship between OC use and subsequent symptoms of vulvodynia was assessed using Cox regression, with OC exposure modelled as a time-varying covariate. Main outcome measure Vulvodynia, as determined by validated screen. Results Women aged <50 years who provided data on OC use, completed all questions required for the vulvodynia screen, and had first sexual intercourse prior to the onset of vulvodynia symptoms were eligible (n = 906). Of these, 71.2% (n = 645) had used OCs. The vulvodynia screen was positive in 8.2% (n = 74) for current vulvodynia and in 20.8% (n = 188) for past vulvodynia. Although crude cross-tabulation suggested that women with current or past vulvodynia were less likely to have been exposed to OCs prior to the onset of pain (60.7%), compared with those without this disorder (69.3%), the Cox regression analysis identified no association between vulvodynia and previous OC use (HR 1.08, 95% CI 0.81–1.43, P = 0.60). This null finding persisted after controlling for ethnicity, marital status, educational level, duration of use, and age at first OC use. Conclusion For women aged <50 years of age, OC use did not increase the risk of subsequent vulvodynia.

The Nijmegen Biomedical Study is a population-based cross-sectional study conducted in the eastern part of the Netherlands. As part of the overall study, we provide reference values of estimated glomerular filtration rate (GFR) for this Caucasian population without expressed risk. Age-stratified, randomly selected inhabitants received a postal questionnaire on lifestyle and medical history. In a large subset of the responders, serum creatinine was measured. The GFR was then measured using the abbreviated Modification of Diet in Renal Disease (MDRD) formula. To limit possible bias, serum creatinine was calibrated against measurements performed in the original MDRD laboratory. The study cohort included 2823 male and 3274 female Caucasian persons aged 18-90 years. A reference population of apparently healthy subjects was selected by excluding persons with known hypertension, diabetes, cardiovascular-or renal diseases. This healthy study cohort included 1660 male subjects and 2072 female subjects, of which 869 of both genders were 65 years or older. The median GFR was 85 ml/min/1.73 m 2 in 30-to 34-year-old men and 83 ml/min/1.73 m 2 in similar aged women. In these healthy persons, GFR declined approximately 0.4 ml/min/year. Our study provides age-and gender-specific reference values of GFR in a population of Caucasian persons without identifiable risk.

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