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Beyond circadian chronorisk. 超越昼夜节律风险。
Chronobiologia Pub Date : 1993-01-01
H W Wendt
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引用次数: 0
Circadian stage-dependence of acetyl-L-carnitine effects on blood pressure and heart rate of clinically healthy subjects. 乙酰左旋肉碱对临床健康受试者血压和心率的生理阶段依赖性
Chronobiologia Pub Date : 1993-01-01
A Portela, G Cornélissen, M Blank, Y Kumagai, C Bingham, G Bartolomucci, F Halberg
{"title":"Circadian stage-dependence of acetyl-L-carnitine effects on blood pressure and heart rate of clinically healthy subjects.","authors":"A Portela, G Cornélissen, M Blank, Y Kumagai, C Bingham, G Bartolomucci, F Halberg","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"20 1-2","pages":"63-76"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19340931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
More on chronomes: circaseptans and circasemiseptans in Marburg, Germany, and 47 other locations. 更多关于时钟的信息:德国马尔堡和其他47个地点的circaseptans和circasemeptans。
Chronobiologia Pub Date : 1993-01-01
F Halberg, G Cornélissen
{"title":"More on chronomes: circaseptans and circasemiseptans in Marburg, Germany, and 47 other locations.","authors":"F Halberg, G Cornélissen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"20 1-2","pages":"119-22"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19340925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Repeated alcohol intake changes circadian rhythm of ambulatory blood pressure. 反复饮酒可改变动态血压的昼夜节律。
Chronobiologia Pub Date : 1993-01-01
Y Kumagai, T Shiga, K Sunaga, C Fukushima, G Cornélissen, A Ebihara, F Halberg
{"title":"Repeated alcohol intake changes circadian rhythm of ambulatory blood pressure.","authors":"Y Kumagai,&nbsp;T Shiga,&nbsp;K Sunaga,&nbsp;C Fukushima,&nbsp;G Cornélissen,&nbsp;A Ebihara,&nbsp;F Halberg","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The blood pressure of 7 clinically healthy volunteering social drinkers was studied while they consumed, with a crossover design for 5 days, either 40 g of alcohol by day or fruit juice, with the two spans on alcohol and juice being separated by a one-week washout. Whereas the rhythm-adjusted mean was not changed, a clear statistically significant increase in the circadian double amplitude was found. The study provides a model for a rapidly achieved circadian amplitude hypertension which may precede an elevation of the overall blood pressure mean in the natural course of the disease.</p>","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"20 1-2","pages":"77-85"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19341471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Circadian relations among cardiovascular variables of young adults. 青壮年心血管变量的昼夜关系。
Chronobiologia Pub Date : 1992-07-01
Z Wang, L Wang, L Zhang, Q Liu, Z Xue, G Cornélissen, F Halberg
{"title":"Circadian relations among cardiovascular variables of young adults.","authors":"Z Wang,&nbsp;L Wang,&nbsp;L Zhang,&nbsp;Q Liu,&nbsp;Z Xue,&nbsp;G Cornélissen,&nbsp;F Halberg","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Every 4 hours for 24 hours, 14 clinically healthy young individuals (6 women and 8 men), 26 +/- 4 years of age, measured systolic (S) and diastolic (D) blood pressure (BP) by sphygmomanometer and heart rate by ECG and did impedance cardiography under usual living conditions. Stroke volume (SV), cardiac output (CO) and total peripheral resistance (TPR) were calculated. Time series of SBP, DBP, HR, SV, CO and TPR were analyzed by single and population-mean cosinor. A circadian cardiovascular rhythm is demonstrated by rejection of the zero amplitude assumption in the population-mean cosinor test for SBP, DBP, HR, SV, CO and TPR (P < 0.01). TPR peaks around 0400 (-61 degrees from local midnight), in antiphase with all other variables, their acrophase occurring around 1600 (-240 degrees). A circadian rhythm of statistical significance or of borderline statistical significance is found for all variables except TPR in women. Circadian rhythm characteristics were otherwise mostly similar in men and women with a statistically significant gender difference found by parameter tests only for the MESOR and amplitude of SBP.</p>","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"111-20"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12647956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronobiology and arterial hypertension. 时间生物学和动脉高血压。
Chronobiologia Pub Date : 1992-07-01
G Germanò
{"title":"Chronobiology and arterial hypertension.","authors":"G Germanò","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"198-203"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12648317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The prognosis in medicine (chronobiological rationale). 医学上的预后(时间生物学原理)。
Chronobiologia Pub Date : 1992-07-01
F Carandente
{"title":"The prognosis in medicine (chronobiological rationale).","authors":"F Carandente","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"204-8"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12648321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Age, gender and circadian or circasemidian blood pressure and heart rate variation of children. 儿童的年龄、性别与昼夜节律或昼夜节律血压和心率变化。
Chronobiologia Pub Date : 1992-07-01
C Wan, Z Wang, G Cornélissen, F Halberg
{"title":"Age, gender and circadian or circasemidian blood pressure and heart rate variation of children.","authors":"C Wan,&nbsp;Z Wang,&nbsp;G Cornélissen,&nbsp;F Halberg","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Systolic (S) and diastolic (D) blood pressure (BP) and heart rate (HR) of clinically healthy children (24 boys and 15 girls) 3 to 7 years of age were measured with a standard mercury sphygmomanometer at 3-hour intervals for 24 hours in April 1991. The children slept and/or rested from 2100 to 0700 and napped from 1230 to 1530; they had meals at 0730, 1200 and 1800. A statistically significant circadian and about 12-hour (circasemidian) component of variation is documented for SBP and DBP of boys and girls and for HR of boys. No gender difference was found for the circadian and circasemidian components. A positive correlation with age is found for the MESOR and circadian amplitude of SBP and DBP (p < 0.05); a negative correlation with age is found for the MESOR of HR (p < 0.001).</p>","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"121-9"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12647957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toward a chronotherapy of ovarian cancer. Part III: Salivary CA125 for chronochemotherapy by efficacy. 卵巢癌的时间疗法。第三部分:唾液CA125对慢性化疗的疗效。
Chronobiologia Pub Date : 1992-07-01
G Cornélissen, F Halberg, E Halberg, C Bingham, E Haus, R C Bast, S Fujii, H J Long, F Halberg, K Tamura
{"title":"Toward a chronotherapy of ovarian cancer. Part III: Salivary CA125 for chronochemotherapy by efficacy.","authors":"G Cornélissen,&nbsp;F Halberg,&nbsp;E Halberg,&nbsp;C Bingham,&nbsp;E Haus,&nbsp;R C Bast,&nbsp;S Fujii,&nbsp;H J Long,&nbsp;F Halberg,&nbsp;K Tamura","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"131-49"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12534195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rats grouping and the circadian and ultradian synchronization of their carbon dioxide emission by a light-dark 12:12 h alternation. 大鼠分组和昼夜12:12 h交替的二氧化碳排放的昼夜节律和超昼夜同步。
Chronobiologia Pub Date : 1992-07-01
V Gourlet, M Stupfel, A Perramon
{"title":"Rats grouping and the circadian and ultradian synchronization of their carbon dioxide emission by a light-dark 12:12 h alternation.","authors":"V Gourlet,&nbsp;M Stupfel,&nbsp;A Perramon","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Carbon dioxide emission (VCO2) was continuously recorded during 19 consecutive days in 25 Sprague Dawley young male rats placed in the same \"respiratory chamber\", grouped by 5 (G) and then separated (S). All rats were in controlled environmental conditions (20 degrees C temperature, humidity, ventilation, food and water ad libitum) and submitted to a light (100 lux)-dark alternation (LD 12:12). The curves obtained with the respiratory chamber CO2 concentration sampled every 20 minutes were analyzed for circadian periods, amplitudes, phases, ultradian peak oscillation intervals and amplitudes, and VCO2 time variations at L-->D and D-->L light transitions. Analysis of variance and t test show circadian amplitudes significantly (P < 0.001) higher (by 40.9%) than in S; moreover, ultradian peak amplitudes were higher in G than in S (by 78.0% in L and 105.8% in D). The circadian and ultradian (tau > 40 min) period intervals were not significantly different in G and in S. Circadian phase differences between L-->D and D-->L were significantly greater in S (by 50.3 min) but not in G. Light transitions did not significantly modify ultradian phases in G and in S. This data shows a better LD 12:12 synchronization in G than in S, resulting mostly from an increased respiratory amplitude modulation due to interindividual interactions.</p>","PeriodicalId":75705,"journal":{"name":"Chronobiologia","volume":"19 3-4","pages":"151-61"},"PeriodicalIF":0.0,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12647958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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