期刊
EATING BEHAVIORS
卷 39, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.eatbeh.2020.101425
关键词
Cardiac biomarkers; Eating disorders; Mean R wave amplitude
资金
- National Institute of Mental Health, United States [1 R15 MH113044-01A1]
Objective: The purpose of this study was to identify cardiac biomarkers of disordered eating as a function of diagnostic subtype as assessed via self-report inventory. Method: Mean heart rate (HR), systolic and diastolic blood pressure, mean R wave amplitude (mV), mean T wave amplitude (mV), QTc interval (sec), Tpeak-Tend interval prolongation (sec), QTc interval prolongation (sec), QRS prolongation (sec), and spectral indicators of cardiac dysfunction (LF/HF spectral ratio, HF spectral power) were assessed via electrocardiography among women with no eating disorder symptoms (n = 32), subclinical eating disorder symptoms (n = 92), anorexia nervosa (n = 7), bulimia nervosa (n = 89), binge eating disorder (BED: n = 20), and other specified feeding and eating disorders (OSFED: n = 19). Results: MANOVA results showed statistically significant group differences. Follow-up tests revealed significantly decreased mean R wave amplitude among participants with self-indicated clinical (bulimia nervosa, binge eating disorder) and subclinical forms of disordered eating compared to asymptomatic controls. Discussion: Results suggest decreased mean R wave amplitude is a promising cardiac biomarker of disordered eating.
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