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Bosch NM

Bosch NM, Riese H, Dietrich A, Ormel J, Verhulst FC, Oldehinkel AJ. (2009) Preadolescents’ Somatic and Cognitive-Affective Depressive Symptoms are Differentially Related to Cardiac Autonomic Function and Cortisol. The TRAILS Study. Psychosomatic Medicine, 2009 nov;71(9):944-50

Objective: Depression is a well-known risk factor for cardiovascular disease and mortality. Dysregulation of the autonomic nervous system (ANS) and the hypothalamic-pituitary-adrenal (HPA-) axis have been proposed as underlying mechanisms. Several studies suggest that only a subset of the depression symptoms account for associations with cardiovascular prognosis. This study examined the possibility that somatic and cognitive-affective depressive symptoms are differentially related with the ANS and the HPA-axis in a large non-clinical sample of preadolescents. Methods: Self-reported somatic and cognitive-affective depressive symptoms were examined in relation to heart rate variability (HRV), spontaneous baroreflex sensitivity (BRS), and the cortisol awakening response (CAR) in 2049 preadolescents (mean age 11.1 years, 50.7 % girls) from the general population cohort TRAILS. Results: Physiological measurements were not associated with the overall measure of depressive symptoms. Somatic depressive symptoms were negatively related to HRV and BRS, and positively to the CAR; cognitive-affective depressive symptoms were positively related to HRV and BRS, and negatively to the CAR. Associations with the CAR pertained to boys only. Conclusions: Somatic and cognitive-affective depressive symptoms differ in their association with both cardiac autonomic and HPA-axis function in preadolescents. Particularly somatic depression symptoms may mark cardiac risk.

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