Abstract:
:One proposed hypothesis regarding the etiology of chronic fatigue syndrome (CFS) is that there is a subgroup of patients in which symptom onset is precipitated by a viral infection. If this is indeed true, then one would anticipate a greater incidence of the emergence of CFS symptoms during months when viral infections occur with the greatest frequency. The current community-based epidemiology study examined the month of symptom onset for 31 patients with CFS and 44 others with idiopathic chronic fatigue (ICF). It was determined that the distribution of the month of illness onset for the CFS and ICF groups was nonrandom, with greater numbers of participants than expected reporting an onset of CFS and ICF during January.
journal_name
Chronobiol Intjournal_title
Chronobiology internationalauthors
Jason LA,Taylor RR,Carrico AWdoi
10.1081/cbi-100103194subject
Has Abstractpub_date
2001-03-01 00:00:00pages
315-9issue
2eissn
0742-0528issn
1525-6073journal_volume
18pub_type
杂志文章abstract::Recently, we found that the reactivity of ambulatory blood pressure (BP) to everyday physical activities is highest in the morning. All participants in that study slept normally at night and freely chose their activity levels, which did not allow a separation of any circadian influence on the BP response from the effe...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420520802548044
更新日期:2008-11-01 00:00:00
abstract::The electronic health record (EHR) contains rich histories of clinical care, but has not traditionally been mined for information related to sleep habits. Here, we performed a retrospective EHR study based on a cohort of 3,652 individuals with self-reported sleep behaviors documented from visits to the sleep clinic. T...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2018.1508152
更新日期:2018-11-01 00:00:00
abstract::Data on sleep or circadian abnormalities and metabolic disturbances in euthymic bipolar disorders are scarce and based on small sample sizes. The aim of this study was to explore the associations between sleep disturbances, chronotype and metabolic components in a large sample of euthymic patients with bipolar disorde...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2017.1332071
更新日期:2017-01-01 00:00:00
abstract::Exposure to artificial light at night (ALAN) has become increasing common, especially in developed countries. We investigated the effect of dALAN exposure during sleep in healthy young male subjects. A total of 30 healthy young male volunteers from 21 to 29 years old were recruited for the study. They were randomly di...
journal_title:Chronobiology international
pub_type: 杂志文章,随机对照试验
doi:10.3109/07420528.2015.1108980
更新日期:2016-01-01 00:00:00
abstract::Night shiftworkers often complain of disturbed sleep during the day. This could be partly caused by morning sunlight exposure during the commute home, which tends to maintain the circadian clock on a daytime rhythm. The circadian clock is most sensitive to the blue portion of the visible spectrum, so our aim was to de...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420520903044398
更新日期:2009-07-01 00:00:00
abstract::The properties of the circadian photoperiodic oscillator have been investigated in detail only in the Japanese quail. While the study of the quail is clearly very important, one cannot simply assume that other species, especially passerines that seem to have a different circadian organization than quail, function the ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1081/cbi-120014570
更新日期:2002-09-01 00:00:00
abstract::One of the supposed mechanisms that may lead to breast cancer (BC) is an alteration of circadian gene expression and DNA methylation. We undertook an integrated approach to identify methylation pattern of core circadian promoter regions in BC patients with regard to clinical features. We performed a quantitative methy...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2019.1617732
更新日期:2019-08-01 00:00:00
abstract::Biological clock components have been detected in many epithelial tissues of the digestive tract of mammals (oral mucosa, pancreas, and liver), suggesting the existence of peripheral circadian clocks that may be entrainable by food. Our aim was to investigate the expression of main peripheral clock genes in colonocyte...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420520500395011
更新日期:2005-01-01 00:00:00
abstract::Besides degrading vigilant attention, total sleep deprivation (TSD) impairs reversal learning performance and blunts affective reactions to feedback. Whether these effects are downstream consequences of information acquisition failures from degraded vigilant attention, or distinct from degraded vigilant attention, is ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2020.1819306
更新日期:2020-09-22 00:00:00
abstract::The pineal hormone melatonin is potentially useful in the treatment of disorders, especially sleep disorders, associated with circadian rhythm disturbance. We have examined its effects on sleep, mood, and behaviour in a double-blind, placebo-controlled study of a small group of police officers working spans of seven s...
journal_title:Chronobiology international
pub_type: 临床试验,杂志文章
doi:10.3109/07420529309064485
更新日期:1993-10-01 00:00:00
abstract::The construction of time-specified reference limits requires systematic sampling in clinical health, particularly for those variables characterized by a circadian rhythm of large amplitude, as it is the case for blood pressure (BP). For the detection of false negatives, tolerance intervals (limits that will include at...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1081/cbi-100101064
更新日期:2000-07-01 00:00:00
abstract::Thirty-six undergraduate subjects were divided into 'larks' and 'owls' by median split using the morningness test devised by Horne and Ostberg. Each was given a battery of two performance tests at six times of day, in a design that counter-balanced for practice effects. Oral temperatures were also recorded. Slight (1 ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528609066364
更新日期:1986-01-01 00:00:00
abstract::Groups of photorefractory female subtropical house sparrows, Passer domesticus, when treated with 6 weeks of a short photocycle (8L:16D) showed significant ovarian growth on their return to a long photocycle (15L:9D). A 6-hr photophase coupled with scotophase of varying durations does not terminate the refractory peri...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529009056974
更新日期:1990-01-01 00:00:00
abstract::Corticosterone levels were determined in the 7-week-old male rat maintained under different feeding and lighting schedules. At 4 weeks of age, the animals were kept either under a natural photoperiod (LD) or were subjected to continuous illumination (LL). Access to food was either ad libitum or restricted to an 8 hr s...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528409063909
更新日期:1984-01-01 00:00:00
abstract::Time-dependent variations in the vasodilator effects of beta-adrenergic agonists terbutaline (Ter) and dobutamine (Dob) were studied in isolated rings of rat thoracic aorta in both endothelium-intact and endothelium-denuded preparations. Rats were housed in light from 08:00 to 20:00 and in darkness from 20:00 to 08:00...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529808998680
更新日期:1998-03-01 00:00:00
abstract::We evaluated their circadian rhythms using data from electrocardiographic records and examined the change in circadian period related to normal RR intervals for astronauts who completed a long-term (≥6-month) mission in space. The examinees were seven astronauts, five men and two women, from 2009 to 2010. Their mean ±...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528.2014.979940
更新日期:2015-04-01 00:00:00
abstract::A physiological dose of orally administered melatonin shifts circadian rhythms in humans according to a phase-response curve (PRC) that is nearly opposite in phase with the PRCs for light exposure: melatonin delays circadian rhythms when administered in the morning and advances them when administered in the afternoon ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529209064550
更新日期:1992-10-01 00:00:00
abstract::A number of Djungarian hamsters (Phodopus sungorus) of our institute show activity patterns that seem incompatible with proper adjustment to a periodic environment. The activity onset of those animals is continuously delayed, whereas the activity offset is stably coupled to "lights-on", leading to compression of activ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420520903398583
更新日期:2010-01-01 00:00:00
abstract::Circadian phase dependency in pharmacokinetics and hemodynamic effects on blood pressure and heart rate of different galenic formulations of nifedipine (immediate-release, sustained-release, and i.v. solution) were studied in healthy subjects or in hypertensive patients. Pharmacokinetics of immediate-release but not s...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529109059184
更新日期:1991-01-01 00:00:00
abstract::Fabry disease is a progressive disease characterized by an enzymatic deficiency of acid alpha-galactosidase and glycosphingolipids storage within the lysosomes. The disease has two phenotypes: classic and nonclassic. Excessive daytime sleepiness is a common sign reported by patients and can be caused by a circadian rh...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2018.1560308
更新日期:2019-04-01 00:00:00
abstract::Ninety-five nonresident girls of a private school volunteered for the study with the teachers' help as well as parental consent. Ages were approximately 8, 9, and 10 years. They were synchronized with diurnal activity from 0730 to 2100 h and nocturnal rest. Fatigue, drowsiness, and attention were self-rated using visu...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529109059164
更新日期:1991-01-01 00:00:00
abstract::The objective of the present study was to evaluate seasonal periodicity in the prevalence of Helicobacter pylori. A prospective study was performed on 1076 consecutive patients who were investigated in our hospital over a 3-year span because of epigastric complaints. Our findings indicate a significant accumulation of...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420529909016947
更新日期:1999-11-01 00:00:00
abstract::Current evidence suggests that acute depression is associated with reduced total hippocampal volume and regional atrophy. Here, using structural magnetic resonance imaging, we assayed linear effects of chronotype on total hippocampal volume and morphology. Later chronotype was associated with localised atrophy in the ...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420528.2018.1455056
更新日期:2018-07-01 00:00:00
abstract::Few studies have focused on the influence of circadian typology on drug use, and none has considered the use of illegal drugs and hazardous alcohol consumption. This study analyzes the influence of circadian typology on several types of drug consumption (habitual or sporadic), hangover symptoms (past 12 mos), and, mor...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528.2011.553018
更新日期:2011-04-01 00:00:00
abstract:OBJECTIVE:Morning stiffness and plasma cytokine levels in rheumatoid arthritis (RA) patients exhibit 24-hour variations. Tumor necrosis factor-α (TNF-α) plays a central role in RA clinical conditions, including the invasion of inflammatory cells, destruction of cartilage, systemic inflammatory response and its levels s...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528.2013.878350
更新日期:2014-05-01 00:00:00
abstract::Seasonal Affective Disorder (SAD) is a condition of regularly occurring depressions in winter with a remission the following spring or summer. In addition to depressed mood, the patients tend to experience increased appetite and an increased duration of sleep during the winter. SAD is a relatively common condition, af...
journal_title:Chronobiology international
pub_type: 杂志文章,评审
doi:10.1081/cbi-120019310
更新日期:2003-03-01 00:00:00
abstract::It has frequently been reported that exposure to artificial light at night (ALAN) may cause negative health effects, such as breast cancer, circadian phase disruption and sleep disorders. Here, we reviewed the literature assessing the effects of human exposure to ALAN in order to list the health effects of various asp...
journal_title:Chronobiology international
pub_type: 杂志文章,评审
doi:10.3109/07420528.2015.1073158
更新日期:2015-01-01 00:00:00
abstract::Fatigue is an increasingly noted factor in road accidents. The ability to predict and be aware of impairment in terms of driving capability is important for potential legal liability and road safety. However, to date, there have been few studies that have investigated the accuracy of individuals in predicting how safe...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.1080/07420520601083391
更新日期:2006-01-01 00:00:00
abstract::The importance of circadian clocks in the regulation of adult physiology in mammals is well established. In contrast, the ontogenesis of the circadian system and its role in embryonic development are still poorly understood. Although there is experimental evidence that the clock machinery is present prior to birth, da...
journal_title:Chronobiology international
pub_type: 杂志文章
doi:10.3109/07420528.2014.986576
更新日期:2015-04-01 00:00:00
abstract::The circadian melatonin rhythm is highly reproducible and generally not easily altered. The few perturbations that are capable of significantly changing either the amplitude or the pattern of the 24-h melatonin rhythm are summarized herein. Aging alters cyclic melatonin production by decreasing the amplitude of the no...
journal_title:Chronobiology international
pub_type: 杂志文章,评审
doi:10.3109/07420529209064541
更新日期:1992-08-01 00:00:00