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41.
Karla Klein Murdock Mikael Horissian Caroline Crichlow-Ball 《Behavioral sleep medicine》2017,15(3):228-241
Emerging adults use text messaging as a principal form of social communication, day and night, and this may compromise their sleep. In this study, a hypothetical model was tested linking daytime and nighttime text message use with multiple sleep characteristics. Subjective and objective measures of texting and sleep were utilized to assess 83 college students over a seven-day period during an academic term. Greater number of daily texts, awareness of nighttime cell phone notifications, and compulsion to check nighttime notifications were significantly associated with poorer subjective sleep quality. Awareness of nighttime notifications was significantly associated with higher self-reported global sleep problems and more sleep disruptions. Results suggest potential benefits of targeting nighttime texting habits in health promotion efforts for emerging adults. 相似文献
42.
Rittersma SZ van der Wal AC Koch KT Piek JJ Henriques JP Mulder KJ Ploegmakers JP Meesterman M de Winter RJ 《Circulation》2005,111(9):1160-1165
43.
Cristiane Travensolo Karla Goessler Roberto Poton Roberta Ramos Pinto Marcos Doederlein Polito 《Revista portuguesa de cardiologia》2018,37(6):525-537
Introduction
The literature concerning the effects of cardiac rehabilitation (CR) on field tests results is inconsistent.Purpose
To perform a systematic review with meta‐analysis on field tests results after programs of CR.Methods
Studies published in PubMed and Web of Science databases until May 2016 were analyzed. The standard difference in means correct by bias (Hedges’ g) was used as effect size (g) to measure que amount of modifications in performance of field tests after CR period. Potential differences between subgroups were analyzed by Q‐test based on ANOVA.Results
Fifteen studies published between 1996 e 2016 were included in the review, 932 patients and age ranged 54,4 ‐ 75,3 years old. Fourteen studies used the six‐minutes walking test to evaluate the exercise capacity and one study used the Shuttle Walk Test. The random Hedges's g was 0.617 (P<0.001), representing a drop of 20% in the performance of field test after CR. The meta‐regression showed significantly association (P=0.01) to aerobic exercise duration, i.e., for each 1‐min increase in aerobic exercise duration, there is a 0.02 increase in effect size for performance in the field test.Conclusion
Field tests can detect physical modification after CR, and the large duration of aerobic exercise during CR was associated with a better result. 相似文献44.
45.
46.
The risk of congestive heart failure in rheumatoid arthritis: a population-based study over 46 years 总被引:7,自引:0,他引:7
Nicola PJ Maradit-Kremers H Roger VL Jacobsen SJ Crowson CS Ballman KV Gabriel SE 《Arthritis and rheumatism》2005,52(2):412-420
OBJECTIVE: It is hypothesized that the systemic inflammation associated with rheumatoid arthritis (RA) promotes an increased risk of cardiovascular (CV) morbidity and mortality. We examined the risk and determinants of congestive heart failure (CHF) in patients with RA. METHODS: We assembled a population-based, retrospective incidence cohort from among all individuals living in Rochester, Minnesota, in whom RA (defined according to the American College of Rheumatology 1987 criteria) was first diagnosed between 1955 and 1995, and an age- and sex-matched non-RA cohort. After excluding patients in whom CHF occurred before the RA index date, all subjects were followed up until either death, incident CHF (defined according to the Framingham Heart Study criteria), migration from the county, or until January 1, 2001. Detailed information from the complete medical records (including all inpatient and outpatient care provided by all local providers) regarding RA, ischemic heart disease, and traditional CV risk factors was collected. Cox models were used to estimate the effect of RA on the development of CHF, adjusting for CV risk factors and/or ischemic heart disease. RESULTS: The study population included 575 patients with RA and 583 subjects without RA. The CHF incidence rates were 1.99 and 1.16 cases per 100 person-years in patients with RA and in non-RA subjects, respectively (rate ratio 1.7, 95% confidence interval [95% CI] 1.3-2.1). After 30 years of followup, the cumulative incidence of CHF was 34.0% in patients with RA and 25.2% in non-RA subjects (P< 0.001). RA conferred a significant excess risk of CHF (hazard ratio [HR] 1.87, 95% CI 1.47-2.39) after adjusting for demographics, ischemic heart disease, and CV risk factors. The risk was higher among patients with RA who were rheumatoid factor (RF) positive (HR 2.59, 95% CI 1.95-3.43) than among those who were RF negative (HR 1.28, 95% CI 0.93-1.78). CONCLUSION: Compared with persons without RA, patients with RA have twice the risk of developing CHF. This excess risk is not explained by traditional CV risk factors and/or clinical ischemic heart disease. 相似文献
47.
Arruda LK Ferriani VP Vailes LD Pomés A Chapman MD 《Current allergy and asthma reports》2001,1(5):466-473
Cockroach allergy has been recognized as an important cause of asthma. Exposure to high levels of cockroach allergens in the
home is a major risk factor for symptoms in sensitized individuals. Previously identified allergens from Blatella germanica and Periplaneta americana include Bla g 2 (inactive aspartic proteinase), Bla g 4 (calycin), Bla g 5 (glutathione-S-transferase), Bla g 6 (troponin),
the Group 1 cross-reactive allergens Bla g 1 and Per a 1, Per a 3 (arylphorin), and Per a 7 (tropomyosin). The primary site
of cockroach allergen accumulation is the kitchen. However, lower levels of allergen can be found in bedding, on the bedroom
floor, and in sofa dust. Strategies for decreasing exposure to cockroach have been investigated. The results suggest that
a sustained decrease in cockroach allergen levels is difficult to accomplish, even after successful extermination of cockroach
populations. The use of recombinant cockroach allergens may lead to the development of new approaches to asthma treatment
in the future. 相似文献
48.
Stepped‐wedge cluster randomised controlled trials: a generic framework including parallel and multiple‐level designs
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Stepped‐wedge cluster randomised trials (SW‐CRTs) are being used with increasing frequency in health service evaluation. Conventionally, these studies are cross‐sectional in design with equally spaced steps, with an equal number of clusters randomised at each step and data collected at each and every step. Here we introduce several variations on this design and consider implications for power. One modification we consider is the incomplete cross‐sectional SW‐CRT, where the number of clusters varies at each step or where at some steps, for example, implementation or transition periods, data are not collected. We show that the parallel CRT with staggered but balanced randomisation can be considered a special case of the incomplete SW‐CRT. As too can the parallel CRT with baseline measures. And we extend these designs to allow for multiple layers of clustering, for example, wards within a hospital. Building on results for complete designs, power and detectable difference are derived using a Wald test and obtaining the variance–covariance matrix of the treatment effect assuming a generalised linear mixed model. These variations are illustrated by several real examples. We recommend that whilst the impact of transition periods on power is likely to be small, where they are a feature of the design they should be incorporated. We also show examples in which the power of a SW‐CRT increases as the intra‐cluster correlation (ICC) increases and demonstrate that the impact of the ICC is likely to be smaller in a SW‐CRT compared with a parallel CRT, especially where there are multiple levels of clustering. Finally, through this unified framework, the efficiency of the SW‐CRT and the parallel CRT can be compared. © 2014 The Authors. Statistics in Medicine Published by John Wiley & Sons Ltd. 相似文献
49.
Luz María Tejada-Tayabas Karla Lizbeth Partida-Ponce Luis Eduardo Hernández-Ibarra 《Revista latino-americana de enfermagem》2015,23(2):225-233
OBJECTIVE:
To examine, from the nursing perspective, the needs and challenges of coordinated hospital-home care for renal patients on hemodialysis.METHODS:
A qualitative analysis was conducted with an ethnographic approach in a hemodialysis unit in San Luis Potosi, Mexico. Semistructured interviews were conducted with nine nurses, selected by purposeful sampling. Structured content analysis was used.RESULTS:
Nurses recounted the needs and challenges involved in caring for renal patients. They also identified barriers that limit coordinated patient care in the hospital and the home, mainly the work overload at the hemodialysis unit and the lack of a systematic strategy for education and lifelong guidance to patients, their families and caregivers.CONCLUSIONS:
This study shows the importance and necessity of establishing a strategy that goes beyond conventional guidance provided to caregivers of renal patients, integrating them into the multidisciplinary group of health professionals that provide care for these patients in the hospital to establish coordinated hospital-home care that increases therapeutic adherence, treatment substitution effectiveness and patient quality of life. 相似文献50.