Key result
Higher basal serum cholesterol levels were positively associated with post-stress heart rate and less complete recovery following stress, independent of age.
Why the study?
Is basal serum cholesterol level associated with heart rate response and recovery following striving-induced stress?
Observational
Is basal serum cholesterol level associated with heart rate response and recovery following striving-induced stress?
Higher basal serum cholesterol levels are associated with impaired heart rate recovery and higher initial heart rates in response to psychological stress.
Answers are grounded in this paper and cite their sources.
May extend heart-rate stress measures to varied populations; leaves open cholesterol associations for clinical use.
A cross-validation of a standard method of measuring striving-induced stress is described. The sensitivity of the previously reported stress measures, based on heart-rate elevation, is verified. The procedure is demonstrably applicable to more varied populations than those used in the original standardization. While a tendency toward higher over-all heart rates with increased age was observed, the principal specific finding was a positive association of basal serum cholesterol level with post-stress heart rate, independent of age. Individuals with higher serum cholesterol levels showed less complete recovery following stress and higher initial heart rates, but they did not necessarily show a stronger immediate response to the stressors. Psychosomatic implications are discussed.
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Thiesen et al. (1965) conducted an observational in Striving-induced stress. Basal serum cholesterol level was evaluated on Post-stress heart rate. Higher basal serum cholesterol levels were positively associated with post-stress heart rate and less complete recovery following stress, independent of age.
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