Coronary artery disease · 2024
Hair cortisol concentration, a stress biomarker, is gradually increasing before an acute myocardial infarction.
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Kosmas Nikolaos, Simitsis Panagiotis, Alevyzakis Evangelos, Rizos Emmanouil, Zapantiotis Dimitrios, Rallidis Loukianos Stylianos
Аннотация
BACKGROUND: Chronic stress is believed to play a role in the pathophysiology of acute myocardial infarction (AMI). Cortisol is a biomarker associated with stress. We sought to assess stress contribution to AMI using hair cortisol concentration (HCCs) as a surrogate biomarker.
METHODS: HCC was measured in hair segments, corresponding to distinctive periods before hair sampling, in 102 male AMI patients and 50 healthy male controls. Standard baseline variables were collected for both groups, whereas for AMI patients, laboratory and psychological tests were also carried out. Linear mixed models were applied to assess the effect of group and baseline variables on the trend of cortisol before hair sampling.
RESULTS: HCC was significantly higher in AMI patients the last 30 days before hair sampling with an overall higher rate of increase (time-group interaction P < 0.001). AMI patients with BMI ≥25 kg/m 2 had a slower rate of increase compared with those with BMI <25 kg/m 2 (adjusted P = 0.008). Among AMI patients, there was no difference in the rate of cortisol increase between STEMI and NSTEMI patients (time-group interaction P = 0.841). Lower BMI conferred higher rates of cortisol increase irrespectively of AMI type.
CONCLUSION: HCC, a biomarker of stress, showed an increasing trend over a period of 2 months before the occurrence of AMI suggesting a potential role of stress, through cortisol secretion, in the pathophysiology of AMI.
METHODS: HCC was measured in hair segments, corresponding to distinctive periods before hair sampling, in 102 male AMI patients and 50 healthy male controls. Standard baseline variables were collected for both groups, whereas for AMI patients, laboratory and psychological tests were also carried out. Linear mixed models were applied to assess the effect of group and baseline variables on the trend of cortisol before hair sampling.
RESULTS: HCC was significantly higher in AMI patients the last 30 days before hair sampling with an overall higher rate of increase (time-group interaction P < 0.001). AMI patients with BMI ≥25 kg/m 2 had a slower rate of increase compared with those with BMI <25 kg/m 2 (adjusted P = 0.008). Among AMI patients, there was no difference in the rate of cortisol increase between STEMI and NSTEMI patients (time-group interaction P = 0.841). Lower BMI conferred higher rates of cortisol increase irrespectively of AMI type.
CONCLUSION: HCC, a biomarker of stress, showed an increasing trend over a period of 2 months before the occurrence of AMI suggesting a potential role of stress, through cortisol secretion, in the pathophysiology of AMI.