Licht Archives of General Psychiatry 65(12)
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VU Research Portal Association between major depressive disorder and heart rate variability in the Netherlands Study of Depression and Anxiety (NESDA). Licht, C.M.M.; de Geus, E.J.C.; Zitman, F.G.; Hoogendijk, W.J.G.; van Dyck, R.; Penninx, B.W.J.H. published in Archives of General Psychiatry 2008 DOI (link to publisher) 10.1001/archpsyc.65.12.1358 document version Publisher's PDF, also known as Version of record Link to publication in VU Research Portal citation for published version (APA) Licht, C. M. M., de Geus, E. J. C., Zitman, F. G., Hoogendijk, W. J. G., van Dyck, R., & Penninx, B. W. J. H. (2008). Association between major depressive disorder and heart rate variability in the Netherlands Study of Depression and Anxiety (NESDA). 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Sep. 2021 ORIGINAL ARTICLE Association Between Major Depressive Disorder and Heart Rate Variability in the Netherlands Study of Depression and Anxiety (NESDA) Carmilla M. M. Licht, MSc; Eco J. C. de Geus, PhD; Frans G. Zitman, MD, PhD; Witte J. G. Hoogendijk, MD, PhD; Richard van Dyck, MD, PhD; Brenda W. J. H. Penninx, PhD Context: It has been hypothesized that depression is as- trol, as indexed by respiratory sinus arrhythmia (RSA), were sociated with lower heart rate variability and decreased car- measured during 11⁄2 hours of ambulatory recording of elec- diac vagal control. This may play an important role in the trocardiograms and thorax impedance. Multivariate analy- risk of cardiovascular disease among depressed individuals. ses were conducted to compare SDNN and RSA across de- pression groups after adjustment for demographics, health, Objective: To determine whether heart rate variability lifestyle, comorbid anxiety, and psychoactive medication. was lower in depressed individuals than in healthy con- trols in a large adult sample. Results: Individuals with remitted and current MDD had a lower mean SDNN and RSA compared with controls Design: Cross-sectional analyses from a large depres- (SDNN, 3.1-5.7 milliseconds shorter, PՅ.02; RSA, 5.1- sion cohort study. 7.1 milliseconds shorter, PϽ.001; effect size, 0.125- 0.269). Comorbid anxiety and lifestyle did not reduce these Setting: The Netherlands Study of Depression and associations. However, accounting for psychoactive medi- Anxiety. cation removed the association with SDNN and strongly attenuated the association with RSA. Depressed individu- Participants: Two thousand three hundred seventy- three individuals (mean age, 41.8 years; 66.8% female) als who were using selective serotonin reuptake inhibi- who participated in the Netherlands Study of Depres- tors, tricyclic antidepressants, or other antidepressants had sion and Anxiety. Included were 524 controls, 774 in- significantly shorter SDNNs and RSAs (effect size, 0.207- dividuals with a diagnosis of major depressive disorder 0.862) compared with controls and depressed individuals (MDD) earlier in life (remitted MDD), and 1075 indi- not taking medication. viduals with current MDD based on the Composite In- ternational Diagnostic Interview. This sample was suf- Conclusions: This study shows that depression is asso- ficiently powered to examine the confounding effects of ciated with significantly lowered heart rate variability. lifestyle, comorbid anxiety, and antidepressants. However, this association appears to be mainly driven by the effect of antidepressants. Main Outcome Measures: The standard deviation of normal-to-normal beats (SDNN) and cardiac vagal con- Arch Gen Psychiatry. 2008;65(12):1358-1367 EPRESSION RESULTS IN UN- attention has been focused on low car- favorable health out- diac vagal control, which may impair so- comes, such as cardiovas- cial engagement and flexible adjustment cular morbidity and to environmental demands19-22 and may be mortality.1-6 Alterations in a major determinant of a reduction in heart Dthe autonomic nervous system have been rate variability. hypothesized to be an underlying physi- Cardiac vagal control can be assessed by ological mechanism that may partly ex- examining heart rate variability, particu- plain these unfavorable health outcomes larly that in the respiratory frequency range. among depressed persons.7-11 Such alter- This part of heart rate variability is also ations are believed to reduce heart rate vari- known as respiratory sinus arrhythmia ability, a well-known prognostic risk factor (RSA).23 In a recent meta-analysis, Rotten- for cardiovascular disease (eg, myocar- berg22 examined the association between de- dial infarct and arrhythmias), and mor- pression and RSA. The meta-analysis sum- Author Affiliations are listed at tality.12-18 In research on autonomic ner- marized 13 studies that reported on RSA the end of this article. vous system correlates of depression, most measures, with a total of 312 depressed sub- (REPRINTED) ARCH GEN PSYCHIATRY/ VOL 65 (NO. 12), DEC 2008 WWW.ARCHGENPSYCHIATRY.COM 1358 Downloaded from www.archgenpsychiatry.com at Vrije Universiteit, on December 1, 2010 ©2008 American Medical Association. All rights reserved. jects and 374 controls. Depressed persons were found to in all participants using the 30-item Inventory of Depressive have a significantly shorter RSA, though the summarized Symptomatology, Self-Report (IDS-SR).42 effect size was small to medium according to Cohen con- To test whether SDNN and RSA differed across persons with ventions (d=0.332). As pointed out by Rottenberg, data and without a depressive disorder, 3 distinct depression groups collection and analysis differed considerably among the were created for the present study: 524 controls with no his- tory of depression or anxiety disorders and low scores on a de- studies and only a few of them had the required sample pressive symptom questionnaire (IDS-SR score Յ14); 774 per- size to address confounding by lifestyle (smoking, use of sons with a major depressive disorder (MDD) diagnosis alcohol, high body mass index, and low physical activity) (according to CIDI) earlier in life but not within the past 6 and comorbid anxiety. However, many of these factors— months (remitted MDD group); and 1075 persons with a CIDI- substance use, low physical activity, and comorbid anxi- confirmed MDD diagnosis within the past 6 months (72% had ety—occur frequently in depression and have been asso- experienced a depressive episode in the past month) (current ciated with decreased cardiac vagal control.24,25 Finally, MDD group). The remaining 608 individuals were excluded antidepressants are a particularly relevant source of po- from the analyses: 128 controls had an IDS-SR score greater tential confounding when examining the association be- than 14; 404 patients had an anxiety disorder, minor depres- tween depression and cardiac vagal control. The suppres- sion, or dysthymia in absence of an MDD diagnosis; and 76 had missing physiological data owing to equipment failure during sive effects of tricyclic antidepressants (TCAs) on assessment or poor electrocardiogram quality. autonomic function are already well established.26-31 The effect of other antidepressants on autonomic function, how- ever, are not as well studied and inconsistent results have MEASUREMENTS been reported.29,32-34 The present study reports cross- sectional analyses from a large depression cohort study The baseline assessment consisted of a blood sample, cognitive computer task, medical examination, psychiatric interview, sa- (Netherlands Study of Depression and Anxiety [NESDA], liva collection, and administration of several written question- N=2981). We examined whether heart rate variability, as naires concerning, eg, mood, lifestyle, medical history, and medi- indexed by the standard deviation of normal-to-normal cation use. In this way, extensive information about psychological, beats (SDNN), and cardiac vagal control, as indexed by biological, physical, and demographic determinants were col- RSA derived from peak-valley estimation,35,36 differed be- lected. The study protocol was approved by the ethics review tween depressed individuals and healthy controls. The board of the VU University Medical Center and subsequently by study was sufficiently powered to examine the extent to local review boards of each participating center. All participants which these associations are confounded by lifestyle, co- signed an informed consent at baseline. morbid anxiety, and effect of antidepressants. PHYSIOLOGICAL MEASUREMENTS METHODS Physiological recording was performed using the Vrije Univer- siteit Ambulatory Monitoring System (VU-AMS; Vrije Univer- PARTICIPANTS siteit, Amsterdam, the Netherlands). The VU-AMS is a light- weight portable device that records