Hourly Variation in Total Serum Cholesterol

Peterson, John; Wilcox, Alan A.; Haley, Melvin I.; Keith, Robert

doi:10.1161/01.cir.22.2.247

Cited by 36 publications

(17 citation statements)

References 14 publications

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“…Few investigators have explicitly examined this possible biological variability in cholesterol response. Peterson et al repeatedly examined cholesterol levels in a group of subjects and, on the basis of their day-to-day levels, divided them into a labile group and a nonlabile group (31). When the labile group was subsequently asked to interpret proverbs during delayed audi- tory feedback, plasma cholesterol increased by 24%.…”

Section: Examination and Training Coursesmentioning

confidence: 99%

Variability of Plasma Lipids in Response to Emotional Arousal

Dimsdale

Herd

1982

Psychosomatic Medicine

175

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Although plasma lipid levels are assumed to reflect the individual's constitutional or nutritional status, many studies have found that plasma lipids are noticeably influenced by short-term emotional arousal. Sixty such studies are reviewed. These studies span a remarkable breadth of stressful situations, such as from viewing disturbing films to taking examinations or participating in military training courses. Free fatty acid levels were almost invariably elevated in the context of a stressful event. Most studies also found that cholesterol increased from 8 to 65% above baseline under stressful conditions. In some individuals cholesterol levels may be highly labile. There was no consistent pattern of triglyceride response to emotional arousal. This area, although imaginatively studied 20 years ago, has been relatively ignored in recent years. The availability of more sophisticated techniques for studying psychological stress, neuroendocrine response, and lipid metabolism makes this topic a fertile area for further study.

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Section: Examination and Training Coursesmentioning

confidence: 99%

Variability of Plasma Lipids in Response to Emotional Arousal

Dimsdale

Herd

1982

Psychosomatic Medicine

175

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“…These changes have occurred without regard to treatment, dietary change, unusual stress, or intercurrent illness, and seem to be particularly marked in patients with hypercholesterolaemia. Changes over a few hours have been attributed to normal diurnal variation (Shapiro et al, 1959) and stress (Peterson et al, 1962). Segall and Neufeld (1960) reported falls in cholesterol levels in two patients observed over several years during periods in hospital, and thought this observation was not in favour of a rise in plasma cholesterol with stress.…”

Section: Discussionmentioning

confidence: 99%

“…Over the years various workers have reported " spontaneous" fluctuations in blood lipid levels and especially cholesterol values (McEachern and Gilmour, 1932 ;Peterson et al, 1960). These changes have occurred without regard to treatment, dietary change, unusual stress, or intercurrent illness, and seem to be particularly marked in patients with hypercholesterolaemia.…”

Section: Discussionmentioning

confidence: 99%

Effect of posture on the plasma cholesterol level.

Stoker¹,

Wynn²,

Robertson³

1966

BMJ

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“…The possibility has also been discussed that smoking could be another manifestation of the disturbance responsible for the rise in the serum cholesterol level, and in this connexion mental tension was incriminated as the cholesterol-elevating factor (Thomas and Murphy, 1958;Wertlake et al, 1958;Grundy and Griffin, 1959;Dreyfuss and Czaczkes, 1959;Peterson et al, 1960). It should be remembered, however, that mental tension cannot be measured but only estimated.…”

Section: Discussionmentioning

confidence: 99%

Cigarette Smoking and Serum Lipids in Young Men

Konttinen¹

1962

BMJ

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In mortality statistics cigarette-smoking habits have been observed to be correlated with coronary heart disease (Hammond and Horn, 1954;Doll and Hill, 1956;Hammond and Horn, 1958); and the serum lipid level and especially the serum cholesterol and p-lipoproteins are known to be raised in population groups with coronary heart disease. With these facts in mind, many investigators have studied the relationship between cigarette smoking and the serum lipid level (Gofman et al., 1955 ;Karvonen et al., 1959 ;Thomas, 1958Thomas, , 1960Dawber et al., 1959;Blackburn et al., 1960; BronteStewart, 1961 (1955) found that the difference in serum lipids between smokers and non-smokers was greater in their youngest (20-29) age-group than in the older ones. In the present study the subjects were slightly younger than the youngest age-groups mentioned above. If the explanation for the difference between the observations in the mentioned studies and the present one lies in this point, the effect on serum lipids of exposure to cigarette smoking seems to occur after some years of smoking, but not, however, during so short a smoking period as in the present work.When considering atherosclerosis many investigators have stressed the importance of the /8: a ratio ini the lipoprotein fractions.

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Hourly Variation in Total Serum Cholesterol

Cited by 36 publications

References 14 publications

Variability of Plasma Lipids in Response to Emotional Arousal

Variability of Plasma Lipids in Response to Emotional Arousal

Effect of posture on the plasma cholesterol level.

Cigarette Smoking and Serum Lipids in Young Men

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