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排序方式: 共有93条查询结果,搜索用时 734 毫秒
1.
Fadi Seif Sanjay R. Patel Harneet Walia Michael Rueschman Deepak L. Bhatt Daniel J. Gottlieb Eldrin F. Lewis Susheel P. Patil Naresh M. Punjabi Denise C. Babineau Susan Redline Reena Mehra 《Journal of sleep research》2013,22(4):443-451
The objective of this study is to examine whether increasing obstructive sleep apnea (OSA) severity is associated with worsening endothelial function. The design is a cross‐sectional examination of the baseline assessment of a multi‐centre randomized controlled clinical trial examining the effects of oxygen, continuous positive airway pressure (CPAP) therapy or lifestyle modifications on cardiovascular biomarkers. Participants were recruited from cardiology clinics at four sites. Participants with an apnea–hypopnea index (AHI) of 15–50 and known cardio/cerebrovascular disease (CVD) or CVD risk factors were included. OSA severity indices [oxygen desaturation index (ODI), AHI and percentage of sleep time below 90% oxygen saturation (total sleep time <90)] and a measure of endothelium‐mediated vasodilatation [Framingham reactive hyperaemia index (F‐RHI) derived from peripheral arterial tonometry (PAT)] were assessed. The sample included 267 individuals with a mean AHI of 25.0 ± 8.5 SD and mean F‐RHI 0.44 ± 0.38. In adjusted models, the slope of the relationship between ODI and F‐RHI differed above and below an ODI of 24.6 (P = 0.04), such that above an ODI of 24.6 there was a marginally significant decline in the geometric mean of the PAT ratio by 3% [95% confidence interval (CI): 0%, 5%; P = 0.05], while below this point, there was a marginally significant incline in the geometric mean of the PAT ratio by 13% (95% CI: 0%, 27%; P = 0.05) per 5‐unit increase in ODI. A similar pattern was observed between AHI and F‐RHI. No relation was noted with total sleep time <90 and F‐RHI. There was evidence of a graded decline in endothelial function in association with higher levels of intermittent hypoxaemia. 相似文献
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James C. Spilsbury Denise C. Babineau Jennifer Frame Kimberly Juhas Kristine Rork 《Journal of sleep research》2014,23(5):585-594
Although sleep disturbances are commonly reported among children exposed to violence, objective evidence of such disturbances is rare. This longitudinal, home‐based study assessed the effects of a known community‐ or family‐violence incident on both actigraphy‐derived and subjectively reported sleep outcomes of an ethnically mixed, urban sample of children aged 8–16 years. We hypothesized that increased event severity (child physical assault, witnessed homicide) would be associated with lower sleep duration and poorer sleep quality both at baseline and at 3‐month follow‐up. Covariate‐adjusted analyses based on a generalized estimating equations approach showed that children physically assaulted during the event showed lower sleep duration and sleep efficiency and greater wake after sleep onset than those not physically assaulted. Physically assaulted children were more likely to have a later bedtime than non‐assaulted children, but this difference decreased at 3 months. Children witnessing a homicide showed greater wake after sleep onset at baseline and reported greater sleep problems than those witnessing a non‐homicide event, but these differences decreased at 3 months. They were also somewhat more likely to have greater nightly variation in sleep duration. Collectively, results suggest that violence exposure influences children's sleep, but that specific dimensions of sleep may exhibit different susceptibility to different characteristics of violence, especially over time. 相似文献
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Short Inter-pregnancy Intervals,Parity, Excessive Pregnancy Weight Gain and Risk of Maternal Obesity
Esa M. Davis Denise C. Babineau Xuelei Wang Stephen Zyzanski Barbara Abrams Lisa M Bodnar Ralph I Horwitz 《Maternal and child health journal》2014,18(3):554-562
To investigate the relationship among parity, length of the inter-pregnancy intervals and excessive pregnancy weight gain in the first pregnancy and the risk of obesity. Using a prospective cohort study of 3,422 non-obese, non-pregnant US women aged 14–22 years at baseline, adjusted Cox models were used to estimate the association among parity, inter-pregnancy intervals, and excessive pregnancy weight gain in the first pregnancy and the relative hazard rate (HR) of obesity. Compared to nulliparous women, primiparous women with excessive pregnancy weight gain in the first pregnancy had a HR of obesity of 1.79 (95 % CI 1.40, 2.29); no significant difference was seen between primiparous without excessive pregnancy weight gain in the first pregnancy and nulliparous women. Among women with the same pregnancy weight gain in the first pregnancy and the same number of inter-pregnancy intervals (12 and 18 months or ≥18 months), the HR of obesity increased 2.43-fold (95 % CI 1.21, 4.89; p = 0.01) for every additional inter-pregnancy interval of <12 months; no significant association was seen for longer inter-pregnancy intervals. Among women with the same parity and inter-pregnancy interval pattern, women with excessive pregnancy weight gain in the first pregnancy had an HR of obesity 2.41 times higher (95 % CI 1.81, 3.21; p < 0.001) than women without. Primiparous and nulliparous women had similar obesity risk unless the primiparous women had excessive pregnancy weight gain in the first pregnancy, then their risk of obesity was greater. Multiparous women with the same excessive pregnancy weight gain in the first pregnancy and at least one additional short inter-pregnancy interval had a significant risk of obesity after childbirth. Perinatal interventions that prevent excessive pregnancy weight gain in the first pregnancy or lengthen the inter-pregnancy interval are necessary for reducing maternal obesity. 相似文献
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Andersen SL Terry DF Wilcox MA Babineau T Malek K Perls TT 《Mechanisms of ageing and development》2005,126(2):263-267
Our previous work revealed that 88% of centenarians delay or escape the age-related lethal diseases cardiac disease, stroke and diabetes. In the cases of those having a history of cancer we have observed anecdotes of centenarians presenting with large primary tumors that would have otherwise been expected to have metastasized and to have been lethal. However, these tumors were removed without consequence. To better understand the relationship between cancer and exceptional longevity, we quantified age of cancer diagnoses, life-time clinically evident cancer prevalence, tobacco use and family histories through medical record review and interviews. One thousand one hundred and forty-three subjects were studied revealing 20% (N=152) of female and 22% (N=80) of male centenarians with a history of non-skin cancer. The most common cancers were prostate (11.7% of males), breast (8.2% of females), and colon (5.7%). The average age of diagnosis was 80.5 years compared to 63.2 years in the general population according to National Cancer Institute SEER data. Similar delays were noted when age of onset was examined according to specific type of cancer. In conclusion, the age of diagnosis of cancer is relatively delayed in those who live to 100 years. Some cancers are very rare among these individuals suggesting that there are certain cancers that may be incompatible with survival to extreme old age. 相似文献
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