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Ko DK, Lee H, Kim DI, Park YM, Kang N. Transcranial direct current stimulation improves heart rate variability: A systematic review and meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2024; 134:111072. [PMID: 38925337 DOI: 10.1016/j.pnpbp.2024.111072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 04/09/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Heart rate variability (HRV) is a useful tool for evaluating cardiovascular autonomic nervous system (ANS) functions. This systematic review and meta-analysis examined the potential effects of transcranial direct current stimulation (tDCS) protocols on HRV parameters. METHODS This study acquired 97 comparisons from 24 qualified studies for data synthesis. Using standardized mean difference (SMD), individual and overall effect sizes were estimated to show differences in HRV variables between active tDCS and sham stimulation conditions. More positive effect size values indicated that active tDCS caused greater increases in HRV than sham stimulation. Furthermore, moderator variable analyses were performed to determine whether changes in HRV variables differed depending on (a) task types (physical stress versus psychological stress versus resting condition), (b) targeted brain regions, (c) stimulation polarity, (d) characteristics of participants, and (e) specific HRV variables. Finally, we used meta-regression analyses to determine whether different tDCS parameters (i.e., the number of tDCS sessions, stimulation duration, and density) were associated with changes in HRV patterns. RESULTS The random-effects model meta-analysis showed that tDCS protocols significantly improved HRV variables (SMD = 0.400; P < 0.001). Moreover, for increasing HRV during the physical stress task (SMD = 1.352; P = 0.001), anodal stimulation on the M1 was effective, while combined polarity stimulation on the PFC improved HRV during the psychological stress task (SMD = 0.550; P < 0.001) and resting condition (SMD = 0.192; P = 0.012). Additional moderator variables and meta-regression analyses failed to show that tDCS protocols had positive effects in certain conditions, such as different stimulus polarity, characteristics of participants, specific HRV variables, and tDCS parameters. CONCLUSION These findings tentatively suggest that using tDCS protocols to stimulate optimal targeted brain areas may be effective in improving HRV patterns potentially related to cardiovascular ANS functions.
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Affiliation(s)
- Do-Kyung Ko
- Department of Human Movement Science, Incheon National University, Incheon, South Korea; Neuromechanical Rehabilitation Research Laboratory, Incheon National University, Incheon, South Korea.
| | - Hajun Lee
- Department of Human Movement Science, Incheon National University, Incheon, South Korea; Neuromechanical Rehabilitation Research Laboratory, Incheon National University, Incheon, South Korea.
| | - Dong-Il Kim
- Department of Human Movement Science, Incheon National University, Incheon, South Korea; Division of Health & Kinesiology, Incheon National University, Incheon, South Korea.
| | - Young-Min Park
- Department of Human Movement Science, Incheon National University, Incheon, South Korea; Division of Health & Kinesiology, Incheon National University, Incheon, South Korea.
| | - Nyeonju Kang
- Department of Human Movement Science, Incheon National University, Incheon, South Korea; Division of Sport Science, Sport Science Institute & Health Promotion Center, Incheon National University, Incheon, South Korea; Neuromechanical Rehabilitation Research Laboratory, Incheon National University, Incheon, South Korea.
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Piejka A, Thayer JF, Okruszek Ł. The association between perceived social functioning and heart rate variability is mediated by subclinical depressive symptomatology and moderated by gender. Psychophysiology 2024:e14622. [PMID: 38807291 DOI: 10.1111/psyp.14622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/16/2024] [Accepted: 05/10/2024] [Indexed: 05/30/2024]
Abstract
Chronic loneliness and low perceived social support have been recognized as risk factors for both mental and cardiovascular disorders. It has been proposed that their link to psychophysiological problems may involve changes in parasympathetic activity. However, the exact underlying psychopathological mechanisms and the moderating effects of gender are still not thoroughly examined. Thus, the present study investigated associations between perceived social functioning and resting vagal tone in the context of potential cognitive and subclinical mediators and gender differences. Three hundred twenty-five young adults (aged 18-35, 180 women) underwent an electrocardiogram measurement of 6-minute resting heart rate variability (HRV). They also completed questionnaires assessing loneliness, perceived social support, social cognitive biases, depressive and social anxiety symptoms, and general mental health. In men, HRV was significantly and negatively associated with poorer perceived social functioning, depressive symptoms, and self-reported social cognitive biases, while in women, there was a quadratic link between HRV and depressive symptoms and HRV and general mental health. Moderated mediation analysis revealed that depressive symptoms fully mediated the relationship between perceived social functioning and HRV in men. The results suggest that decreased resting vagal tone in lonely individuals is linked to depressive symptomatology rather than to specific social cognitive biases and that this association is significant only in men.
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Affiliation(s)
- Aleksandra Piejka
- Social Neuroscience Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Julian F Thayer
- Department of Psychological Science, 4201 Social and Behavioral Sciences Gateway, University of California, Irvine, California, USA
- Department of Psychology, The Ohio State University, Columbus, Ohio, USA
| | - Łukasz Okruszek
- Social Neuroscience Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
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Kreppke JN, Cody R, Beck J, Brand S, Donath L, Eckert A, Imboden C, Hatzinger M, Holsboer-Trachsler E, Lang UE, Mans S, Mikoteit T, Oswald A, Rogausch A, Schweinfurth-Keck N, Zahner L, Gerber M, Faude O. Cardiorespiratory fitness, perceived fitness and autonomic function in in-patients with different depression severity compared with healthy controls. J Psychiatr Res 2024; 175:437-445. [PMID: 38797040 DOI: 10.1016/j.jpsychires.2024.05.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 03/26/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
Over 300 million individuals worldwide suffer from major depressive disorder (MDD). Individuals with MDD are less physically active than healthy people which results in lower cardiorespiratory fitness (CRF) and less favorable perceived fitness compared with healthy controls. Additionally, individuals with MDD may show autonomic system dysfunction. The purpose of the present study was to evaluate the CRF, perceived fitness and autonomic function in in-patients with MDD of different severity compared with healthy controls. We used data from 212 in-patients (age: 40.7 ± 12.6 y, 53% female) with MDD and from 141 healthy controls (age: 36.7 ± 12.7 y, 58% female). We assessed CRF with the Åstrand-Rhyming test, self-reported perceived fitness and autonomic function by heart rate variability (HRV). In specific, we used resting heart rate, time- and frequency-based parameters for HRV. In-patients completed the Beck Depression Inventory-II (BDI-II) to self-assess the subjectively rated severity of depression. Based on these scores, participants were grouped into mild, moderate and severe MDD. The main finding was an inverse association between depression severity and CRF as well as perceived fitness compared with healthy controls. Resting heart rate was elevated with increasing depression severity. The time-based but not the frequency-based autonomic function parameters showed an inverse association with depression severity. The pattern of results suggests that among in-patients with major depressive disorder, those with particularly high self-assessed severity scores show a lower CRF, less favorable perceived fitness and partial autonomic dysfunction compared to healthy controls. To counteract these conditions, physical activity interventions may be effective.
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Affiliation(s)
- Jan-Niklas Kreppke
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland.
| | - Robyn Cody
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | | | - Serge Brand
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland; Adult Psychiatric Clinics (UPKE), University of Basel, Basel, Switzerland; Substance Use Prevention Research Center and Sleep Disorder Research Center, Kermanshah University of Medical Sciences (KUMS), Kermanshah 6715847141, Iran; School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran; Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah 6719851115, Iran
| | - Lars Donath
- German Sport University Cologne, Department of Intervention Research in Exercise Training, Cologne, Germany
| | - Anne Eckert
- Adult Psychiatric Clinics (UPKE), University of Basel, Basel, Switzerland
| | - Christian Imboden
- Private Clinic Wyss, Münchenbuchsee, Switzerland; University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Martin Hatzinger
- Psychiatric Services, Solothurn, and Medical Faculty, University of Basel, Switzerland
| | | | - Undine E Lang
- Adult Psychiatric Clinics (UPKE), University of Basel, Basel, Switzerland
| | - Sarah Mans
- Private Clinic Wyss, Münchenbuchsee, Switzerland
| | - Thorsten Mikoteit
- Psychiatric Services, Solothurn, and Medical Faculty, University of Basel, Switzerland
| | - Anja Oswald
- Psychiatric Clinic Sonnenhalde, Riehen, Switzerland
| | | | | | - Lukas Zahner
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Markus Gerber
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Oliver Faude
- Department for Sport, Exercise and Health, University of Basel, Basel, Switzerland
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Sammito S, Thielmann B, Klussmann A, Deußen A, Braumann KM, Böckelmann I. Guideline for the application of heart rate and heart rate variability in occupational medicine and occupational health science. J Occup Med Toxicol 2024; 19:15. [PMID: 38741189 DOI: 10.1186/s12995-024-00414-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 04/24/2024] [Indexed: 05/16/2024] Open
Abstract
This updated guideline replaces the "Guideline for the application of heart rate and heart rate variability in occupational medicine and occupational health science" first published in 2014. Based on the older version of the guideline, the authors have reviewed and evaluated the findings on the use of heart rate (HR) and heart rate variability (HRV) that have been published in the meantime and incorporated them into a new version of this guideline.This guideline was developed for application in clinical practice and research purposes in the fields of occupational medicine and occupational science to complement evaluation procedures with respect to exposure and risk assessment at the workplace by the use of objective physiological workload indicators. In addition, HRV is also suitable for assessing the state of health and for monitoring the progress of illnesses and preventive medical measures. It gives an overview of factors influencing the regulation of the HR and HRV at rest and during work. It further illustrates methods for measuring and analyzing these parameters under standardized laboratory and real workload conditions, areas of application as well as the quality control procedures to be followed during the recording and evaluation of HR and HRV.
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Affiliation(s)
- Stefan Sammito
- Department of Occupational Medicine, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
- German Air Force Centre of Aerospace Medicine, Experimental Aerospace Medicine Research, Flughafenstraße 1, Cologne, 51147, Germany.
| | - Beatrice Thielmann
- Department of Occupational Medicine, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Andre Klussmann
- Competence Centre Health (CCG), Department Health Sciences, University of Applied Sciences (HAW) Hamburg, Hamburg, Germany
| | - Andreas Deußen
- Department of Physiology, Medical Faculty, TU Dresden, Dresden, Germany
| | | | - Irina Böckelmann
- Department of Occupational Medicine, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
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Pei JH, Gan F, Bai YH, Xing YL, Jia JJ, Wang H. Instant and short-term effects of acupuncture for depression and anxiety in unstable angina pectoris patients with percutaneous coronary interventions. Front Cardiovasc Med 2024; 11:1173080. [PMID: 38312234 PMCID: PMC10834639 DOI: 10.3389/fcvm.2024.1173080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 01/05/2024] [Indexed: 02/06/2024] Open
Abstract
Aim Patients with unstable angina pectoris (UAP) usually present anxiety or depression during percutaneous coronary intervention (PCI). This study sought to investigate the instant and short-term effects of acupuncture for anxiety and depression in UAP patients with PCI. Methods A total of 210 UAP patients who underwent PCI were recruited and randomly assigned (1:1:1) to acupuncture, placebo, or control groups. Enzyme-linked immunosorbent assay was used to detect the levels of fasting glucose, fasting insulin, homeostasis model assessment of insulin resistance (HOMA-IR), interleukin-6 (IL-6), high-sensitivity C-reactive protein (Hs-CRP), advanced oxidation protein products (AoPPs), and oxidized low-density lipoprotein (OX-LDL). Serial questionnaires with the Hamilton Anxiety (HAMA) scale and the Pittsburgh Sleep Quality Index were evaluated, and heart rate variability indicators were obtained. Results Primary end-point: low frequency/high frequency (HF) was lower in the electroacupuncture group (p = 0.014), while standard deviation of normal-to-normal intervals, average standard deviation of normal-to-normal intervals, percentage of successive intervals that differ more than 50 ms, and HF were increased with acupuncture (p = 0.018, p = 0.043, p = 0.016, and p = 0.002, respectively). Secondary end-point: significant improvements in anxiety levels (HAMA) were observed in the three groups (p < 0.001). The fasting insulin and HOMA-IR levels were similar between the control group and the acupuncture group (p = 0.285 and p = 0.165, respectively). The levels of IL-6 and AoPPs differed among the three groups (p = 0.021 and p < 0.001, respectively). However, no significant differences were found in fasting plasma glucose, fasting c-peptide, Hs-CRP, and OX-LDL levels among the three groups (p = 0.585, p = 0.611, p = 0.902, and p = 0.756, respectively). Conclusions In this study, short-term acupuncture may potentially relieve clinical symptoms before PCI treatment. Clinical Trial Registration ClinicalTrials.gov, identifier (NCT03789344).
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Affiliation(s)
- Juan Hui Pei
- Department of Cardiovascular Medicine, Beijing Aerospace General Hospital, Beijing, China
| | - Feng Gan
- Department of Cardiovascular Medicine, Beijing Aerospace General Hospital, Beijing, China
| | - Yun He Bai
- Department of Cardiovascular Medicine, Beijing Aerospace General Hospital, Beijing, China
| | - Yan Lin Xing
- Department of Cardiovascular Medicine, Beijing Aerospace General Hospital, Beijing, China
| | - Jian Jun Jia
- Institute of Geriatrics, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Huan Wang
- The Second Medical Center, Chinese PLA General Hospital, Beijing, China
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Lin Y, Cai H, Liu HH, Su XJ, Zhou CY, Li J, Tang YL, Jackson T, Xiang YT. Prevalence of depression and its association with quality of life in patients after pacemaker implantation during the COVID-19 pandemic: A network analysis. Front Psychiatry 2023; 14:1084792. [PMID: 37009113 PMCID: PMC10060541 DOI: 10.3389/fpsyt.2023.1084792] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 02/27/2023] [Indexed: 03/17/2023] Open
Abstract
BackgroundThis study was designed to investigate the prevalence and predictors of depression in patients after pacemaker implantation during the COVID-19 pandemic in addition to identifying specific depressive symptoms associated with quality of life (QOL) using network analysis (NA).MethodsThis cross-sectional, observational study was conducted in China between July 1, 2021, and May 17, 2022. Descriptive analysis was used to calculate depression prevalence. Univariate analyses were used to compare differences in demographic and clinical characteristics between depressed and non-depressed patients following pacemaker implantation. Binary logistic regression analysis was used to assess factors independently associated with depression. Network analysis “expected influence,” and flow function indexes were used to identify symptoms central to the depression network of the sample and depressive symptoms that were directly associated with QOL, respectively. Network stability was examined using a case-dropping bootstrap procedure.ResultsIn total, 206 patients implanted with a pacemaker met the study entry criteria and completed the assessment. The overall prevalence of depression (PHQ-9 total score ≥ 5) was 39.92% [95% confidence interval (CI) = 29.37−42.47%]. A binary logistic regression analysis revealed that patients with depression were more likely to report a poor health status (p = 0.031), severe anxiety symptoms (p < 0.001), and fatigue (p < 0.001). In the network model for depression, “Sad mood,” “Poor Energy,” and “Guilt” were the most influential symptoms. “Fatigue” had the strongest negative association with QOL, followed by “Sad mood” and “Appetite”.ConclusionDepression is common among patients having undergone pacemaker implantation during the COVID-19 pandemic. Anxiety, central symptoms of depression (i.e., “Sad mood”, “Poor Energy”, and “Guilt”) and depressive symptoms linked to QOL (i.e., “Sad mood”, “Appetite”, and “Fatigue”) identified in this study are promising targets for interventions and preventive measures for depression in patients who have undergone pacemaker implants.
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Affiliation(s)
- Yun Lin
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
- Yun Lin,
| | - Hong Cai
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China
- Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China
| | - Hong-Hong Liu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xue-Jian Su
- The National Clinical Research Center for Mental Disorders and Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital and the Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Chen-Yu Zhou
- The National Clinical Research Center for Mental Disorders and Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital and the Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Jing Li
- The National Clinical Research Center for Mental Disorders and Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital and the Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Yi-Lang Tang
- Department of Psychiatry and Behavioral Sciences, Emory University, Atlanta, GA, United States
- Atlanta VA Medical Center, Atlanta, GA, United States
| | - Todd Jackson
- Department of Psychology, University of Macau, Macao, Macao SAR, China
| | - Yu-Tao Xiang
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China
- Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China
- *Correspondence: Yu-Tao Xiang,
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Wang Y, Li X, Yan H, Zhang Q, Ou Y, Wu W, Shangguan W, Chen W, Yu Y, Liang J, Wu W, Liao H, Liu Z, Mai X, Xie G, Guo W. Multiple examinations indicated associations between abnormal regional homogeneity and cognitive dysfunction in major depressive disorder. Front Psychol 2023; 13:1090181. [PMID: 36778176 PMCID: PMC9909210 DOI: 10.3389/fpsyg.2022.1090181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 12/28/2022] [Indexed: 01/27/2023] Open
Abstract
Background This study aimed to investigate the relationships between regional neural activity and multiple related indicators in patients with major depressive disorder (MDD). Methods Forty-two patients and 42 healthy controls (HCs) were enrolled. Pearson/Spearman correlation analyses were applied to examine the associations between abnormal regional homogeneity (ReHo) and different indicators in the patients. Results Compared with HCs, patients with MDD had increased ReHo in the left inferior temporal gyrus (ITG) and decreased ReHo values in the left putamen, anterior cingulate cortex (ACC), and precentral gyrus. The ReHo of the left putamen was positively correlated with the PR interval, Repeatable Battery for the Assessment of Neuropsychological Status 4A, and Discriminant analysis (D), and negatively correlated with Ae (block) and Ae (total) in the patients. The ReHo value of the left ACC was positively correlated with the severity of depression, Stroop Color Word Test of C - 2B + 100 in reaction time, and negatively correlated with Ce (Missay) and Perseverative Responses in the patients. The ReHo of the left ITG was positively correlated with the Neuroticism scores and negatively correlated with the Lie scores in the patients. Conclusion These results suggested that the decreased ReHo of the salience network might be the underpinning of cognitive impairments in patients with MDD.
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Affiliation(s)
- Yun Wang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Xiaoling Li
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Haohao Yan
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Qinqin Zhang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Yangpan Ou
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Weibin Wu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Webo Shangguan
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Wensheng Chen
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Yang Yu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Jiaquan Liang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Wanting Wu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Hairong Liao
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Zishan Liu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Xiancong Mai
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Guojun Xie
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China,*Correspondence: Guojun Xie, ✉
| | - Wenbin Guo
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China,Wenbin Guo, ✉
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Stapelberg NJC, Bui TA, Mansour V, Johnson S, Branjerdporn G, Adhikary S, Ashton K, Taylor N, Headrick JP. The pathophysiology of major depressive disorder through the lens of systems biology: Network analysis of the psycho-immune-neuroendocrine physiome. J Neuroimmunol 2022; 372:577959. [PMID: 36095861 DOI: 10.1016/j.jneuroim.2022.577959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND/AIMS The psycho-immune-neuroendocrine (PINE) network is a predominantly physiological (metabolomic) model constructed from the literature, inter-linking multiple biological processes associated with major depressive disorder (MDD), thereby integrating putative mechanistic pathways for MDD into a single network. MATERIAL AND METHODS Previously published metabolomic pathways for the PINE network based on literature searches conducted in 1991-2021 were used to construct an edge table summarizing all physiological pathways in pairs of origin nodes and target nodes. The Gephi software program was used to calculate network metrics from the edge table, including total degree and centrality measures, to ascertain key network nodes and construct a directed network graph. RESULTS An edge table and directional network graph of physiological relationships in the PINE network is presented. The network has properties consistent with complex biological systems, with analysis yielding key network nodes comprising pro-inflammatory cytokines (TNF- α, IL6 and IL1), glucocorticoids and corticotropin releasing hormone (CRH). These may represent central structural and regulatory elements in the context of MDD. CONCLUSION The identified hubs have a high degree of connection and are known to play roles in the progression from health to MDD. These nodes represent strategic targets for therapeutic intervention or prevention. Future work is required to build a weighted and dynamic simulation of the network PINE.
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Affiliation(s)
- Nicolas J C Stapelberg
- Bond University, Faculty of Health Sciences and Medicine, Robina, Australia; Gold Coast Health, Southport, Australia
| | | | - Verena Mansour
- Bond University, Faculty of Health Sciences and Medicine, Robina, Australia
| | | | - Grace Branjerdporn
- Gold Coast Health, Southport, Australia; Mater Young Adult Health Service, Mater Hospital, South Brisbane, Australia.
| | - Sam Adhikary
- Mater Young Adult Health Service, Mater Hospital, South Brisbane, Australia
| | - Kevin Ashton
- Bond University, Faculty of Health Sciences and Medicine, Robina, Australia
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9
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Stapelberg NJC, Branjerdporn G, Adhikary S, Johnson S, Ashton K, Headrick J. Environmental Stressors and the PINE Network: Can Physical Environmental Stressors Drive Long-Term Physical and Mental Health Risks? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13226. [PMID: 36293807 PMCID: PMC9603079 DOI: 10.3390/ijerph192013226] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Both psychosocial and physical environmental stressors have been linked to chronic mental health and chronic medical conditions. The psycho-immune-neuroendocrine (PINE) network details metabolomic pathways which are responsive to varied stressors and link chronic medical conditions with mental disorders, such as major depressive disorder via a network of pathophysiological pathways. The primary objective of this review is to explore evidence of relationships between airborne particulate matter (PM, as a concrete example of a physical environmental stressor), the PINE network and chronic non-communicable diseases (NCDs), including mental health sequelae, with a view to supporting the assertion that physical environmental stressors (not only psychosocial stressors) disrupt the PINE network, leading to NCDs. Biological links have been established between PM exposure, key sub-networks of the PINE model and mental health sequelae, suggesting that in theory, long-term mental health impacts of PM exposure may exist, driven by the disruption of these biological networks. This disruption could trans-generationally influence health; however, long-term studies and information on chronic outcomes following acute exposure event are still lacking, limiting what is currently known beyond the acute exposure and all-cause mortality. More empirical evidence is needed, especially to link long-term mental health sequelae to PM exposure, arising from PINE pathophysiology. Relationships between physical and psychosocial stressors, and especially the concept of such stressors acting together to impact on PINE network function, leading to linked NCDs, evokes the concept of syndemics, and these are discussed in the context of the PINE network.
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Affiliation(s)
- Nicolas J. C. Stapelberg
- Gold Coast Hospital and Health Service, Gold Coast, QLD 4215, Australia
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD 4226, Australia
| | - Grace Branjerdporn
- Gold Coast Hospital and Health Service, Gold Coast, QLD 4215, Australia
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD 4226, Australia
| | - Sam Adhikary
- Mater Young Adult Health Centre, Mater Hospital, Brisbane, QID 4101, Australia
| | - Susannah Johnson
- Gold Coast Hospital and Health Service, Gold Coast, QLD 4215, Australia
| | - Kevin Ashton
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD 4226, Australia
| | - John Headrick
- School of Medical Science, Griffith University, Gold Coast, QID 4215, Australia
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Teo JT, Johnstone SJ, Römer SS, Thomas SJ. Psychophysiological mechanisms underlying the potential health benefits of human-dog interactions: A systematic literature review. Int J Psychophysiol 2022; 180:27-48. [PMID: 35901904 DOI: 10.1016/j.ijpsycho.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/22/2022] [Accepted: 07/19/2022] [Indexed: 10/16/2022]
Abstract
While the symbiotic nature of human-dog relationships and perceived benefits to human health have attracted much scientific interest, the mechanisms through which human-dog interactions may confer health benefits to humans are still poorly understood. The aim of this systematic literature review was to synthesize evidence of physiological changes associated with human-dog interactions with relevance to human health. Electronic databases were systematically searched (PubMed, MEDLINE with full text, Scopus, PsycINFO, CINAHL Plus with Full Text, and Web of Science Core Collection) for relevant studies. Of the 13,072 studies identified, 129 met the inclusion criteria, with approximately half being randomized trials (Level 2) based on the Oxford Centre for Evidence Based Medicine level system. Measures employed to study human physiological changes associated with human-dog interactions most commonly involved cardiac parameters and hormones, with negligible research of brain activity. The main positive findings were increases in heart rate variability and oxytocin, and decreases in cortisol with human-dog interactions. These physiological indicators are consistent with activation of the parasympathetic nervous system (PNS) and oxytocinergic system (OTS), and down-regulation of hypothalamic-pituitary-adrenal (HPA) axis activity. These results provide evidence of specific pathways through which human-dog contact may confer health benefits, likely through relaxation, bonding, and stress reduction. However, these findings should be interpreted contextually due to limitations and methodological differences. Previous research using other biological variables was limited in quantity and quality, thus impeding firm conclusions on other possible mechanisms. Further research is needed in some psychophysiological domains, particularly electroencephalography, to better understand central nervous system (CNS) effects. The findings of this review have implications for human-dog interactions to positively affect several stress-sensitive physiological pathways and thus confer health benefits. This supports their incorporation in various clinical, non-clinical, and research settings to develop evidence-based interventions and practices for cost-effective and efficacious ways to improve human health.
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Affiliation(s)
- Jillian T Teo
- School of Psychology, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Stuart J Johnstone
- School of Psychology, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Stephanie S Römer
- School of Psychology, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Susan J Thomas
- School of Medicine, Faculty of Science, Medicine and Health, Illawarra Health and Medical Research Institute, University of Wollongong, 2522, Australia.
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11
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Examining the Autonomic Nervous System in the Relationship among Heart Rate Variability, Stress Coping, and Cognitive Ability in Individuals with Psychiatric Disorders. J Clin Med 2022; 11:jcm11123277. [PMID: 35743347 PMCID: PMC9225621 DOI: 10.3390/jcm11123277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/20/2022] [Accepted: 05/27/2022] [Indexed: 11/26/2022] Open
Abstract
Depression is one of the most severe psychiatric disorders and affects patients on emotional, physical, and cognitive levels. Comorbid somatic conditions, such as cardiovascular diseases, are frequent and affect the quality of life, as well as mortality. Underlying maladaptive autonomic nervous system regulation influences emotional and cognitive processes. This study, thus, aimed to investigate the relationship among heart rate variability (HRV), self-reported coping strategies, executive function, and inhibition in individuals with psychiatric disorders. Data of 97 patients treated in a multi-professional psychiatric rehabilitation center for 6 weeks were analyzed. Subjects underwent psychological tests (Stress Coping Style Questionnaire, Emotional Competence Questionnaire, and Becks Depression Inventory-II), a cognitive test (Color-Word Interference Test), and a 24 h electrocardiogram to record HRV. Patients with higher depression scores had significantly lower HRVs and decreased self-reported abilities for stress coping. Depression severity did not affect cognitive inhibitory abilities. HRV was related to neither coping strategies nor cognitive inhibition abilities. However, lower HRV was related to higher values of Negative Stress Coping (β = −0.21, p < 0.05). This relationship was fully mediated by depression severity (−4.79, 95% CI: −8.72, −0.72). HRV is not related to quantitative cognitive inhibition, but to the self-reported ability to cope with negative emotions in individuals with psychiatric disorders.
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12
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WANG YT, YU J, LIU X, XU ZQ, ZHUANG LX. Prof. Li-xing ZHUANG's experience using mind-regulation acupuncture for psycho-cardiological disease. WORLD JOURNAL OF ACUPUNCTURE-MOXIBUSTION 2022. [DOI: 10.1016/j.wjam.2022.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Brain-heart communication in health and diseases. Brain Res Bull 2022; 183:27-37. [PMID: 35217133 DOI: 10.1016/j.brainresbull.2022.02.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/09/2022] [Accepted: 02/16/2022] [Indexed: 12/19/2022]
Abstract
Tight connections between the brain and heart have attracted a considerable amount of attention. This review focuses on the anatomical (extrinsic cardiac autonomic nervous system and intrinsic cardiac autonomic nervous system) and functional (neuroendocrine-heart axis and neuroimmune-heart axis) connections between the brain and heart, the linkage between central nervous system diseases and cardiovascular diseases, the harm of sympathetic hyperactivity to the heart, and current neuromodulation therapies. Depression is a comorbidity of cardiovascular diseases, and the two are causally related. This review summarizes the mechanisms and treatment of depression and cardiovascular diseases, providing theoretical evidence for basic research and clinical studies to improve treatment options.
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14
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Pizzagalli DA, Roberts AC. Prefrontal cortex and depression. Neuropsychopharmacology 2022; 47:225-246. [PMID: 34341498 PMCID: PMC8617037 DOI: 10.1038/s41386-021-01101-7] [Citation(s) in RCA: 188] [Impact Index Per Article: 94.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/26/2021] [Accepted: 06/28/2021] [Indexed: 01/03/2023]
Abstract
The prefrontal cortex (PFC) has emerged as one of the regions most consistently impaired in major depressive disorder (MDD). Although functional and structural PFC abnormalities have been reported in both individuals with current MDD as well as those at increased vulnerability to MDD, this information has not translated into better treatment and prevention strategies. Here, we argue that dissecting depressive phenotypes into biologically more tractable dimensions - negative processing biases, anhedonia, despair-like behavior (learned helplessness) - affords unique opportunities for integrating clinical findings with mechanistic evidence emerging from preclinical models relevant to depression, and thereby promises to improve our understanding of MDD. To this end, we review and integrate clinical and preclinical literature pertinent to these core phenotypes, while emphasizing a systems-level approach, treatment effects, and whether specific PFC abnormalities are causes or consequences of MDD. In addition, we discuss several key issues linked to cross-species translation, including functional brain homology across species, the importance of dissecting neural pathways underlying specific functional domains that can be fruitfully probed across species, and the experimental approaches that best ensure translatability. Future directions and clinical implications of this burgeoning literature are discussed.
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Affiliation(s)
- Diego A Pizzagalli
- Department of Psychiatry, Harvard Medical School & McLean Hospital, Belmont, MA, USA.
| | - Angela C Roberts
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
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15
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Brupbacher G, Zander-Schellenberg T, Straus D, Porschke H, Infanger D, Gerber M, von Känel R, Schmidt-Trucksäss A. The Acute Effects of Aerobic Exercise on Nocturnal and Pre-Sleep Arousal in Patients with Unipolar Depression: Preplanned Secondary Analysis of a Randomized Controlled Trial. J Clin Med 2021; 10:jcm10174028. [PMID: 34501476 PMCID: PMC8432550 DOI: 10.3390/jcm10174028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/03/2021] [Accepted: 09/03/2021] [Indexed: 12/28/2022] Open
Abstract
Unipolar depression is associated with insomnia and autonomic arousal. The aim of this study was to quantify the effect of a single bout of aerobic exercise on nocturnal heart rate variability and pre-sleep arousal in patients with depression. This study was designed as a two-arm, parallel-group, randomized, outcome assessor-blinded, controlled, superiority trial. Patients with a primary diagnosis of unipolar depression aged 18-65 years were included. The intervention consisted of a single 30 min moderate-intensity aerobic exercise bout. The control group sat and read for 30 min. The primary outcome of interest was RMSSD during the sleep period assessed with polysomnography. Secondary outcomes were additional heart rate variability outcomes during the sleep and pre-sleep period as well as subjective pre-sleep arousal. A total of 92 patients were randomized to either the exercise (N = 46) or the control (N = 46) group. Intent-to-treat analysis ANCOVA of follow-up sleep period RMSSD, adjusted for baseline levels and minimization factors, did not detect a significant effect of the allocation (β = 0.12, p = 0.94). There was no evidence for significant differences between both groups in any other heart rate variability measure nor in measures of cognitive or somatic pre-sleep arousal. As this is the first trial of its kind in this population, the findings need to be confirmed in further studies. Patients with depression should be encouraged to exercise regularly in order to profit from the known benefits on sleep and depressive symptoms, which are supported by extensive literature.
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Affiliation(s)
- Gavin Brupbacher
- Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320 B, 4052 Basel, Switzerland; (D.I.); (A.S.-T.)
- OBERWAID AG, Rorschacher Strasse 311, 9016 St. Gallen, Switzerland; (D.S.); (H.P.)
- Correspondence:
| | - Thea Zander-Schellenberg
- Department of Psychology, Division of Clinical Psychology and Epidemiology, University of Basel, 4055 Basel, Switzerland;
| | - Doris Straus
- OBERWAID AG, Rorschacher Strasse 311, 9016 St. Gallen, Switzerland; (D.S.); (H.P.)
| | - Hildburg Porschke
- OBERWAID AG, Rorschacher Strasse 311, 9016 St. Gallen, Switzerland; (D.S.); (H.P.)
| | - Denis Infanger
- Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320 B, 4052 Basel, Switzerland; (D.I.); (A.S.-T.)
| | - Markus Gerber
- Division of Sport and Psychosocial Health, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320 B, 4052 Basel, Switzerland;
| | - Roland von Känel
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Culmannstrasse 8, 8091 Zurich, Switzerland;
| | - Arno Schmidt-Trucksäss
- Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Birsstrasse 320 B, 4052 Basel, Switzerland; (D.I.); (A.S.-T.)
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16
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Sarlon J, Staniloiu A, Kordon A. Heart Rate Variability Changes in Patients With Major Depressive Disorder: Related to Confounding Factors, Not to Symptom Severity? Front Neurosci 2021; 15:675624. [PMID: 34326716 PMCID: PMC8315043 DOI: 10.3389/fnins.2021.675624] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background The aim of this study was to assess the electrophysiological and other influencing factors correlating with symptom severity in patients with major depressive disorder (MDD) under three different conditions: baseline, stress exposure, and relaxation following stress exposure. Methods Symptom severity was assessed using the Beck Depression Inventory (BDI-II) in 89 inpatients (37 women; mean age 51 years) with MDD. Resting heart rate (RHR), heart rate variability (HRV), respiration rate (RR), skin conductance (SC), and skin temperature (ST) were recorded at baseline for 300 s, under stress exposure for 60 s, and under self-induced relaxation for 300 s. Age, nicotine consumption, body mass index, and blood pressure were evaluated as influencing factors. Results The BDI-II mean score was 29.7 points. Disease severity correlated positively with SC elevation under stress exposure and with a higher RR in the relaxed state, but no association was found between HRV and symptom severity. Age and higher blood pressure were both associated with lower HRV and higher RHR. Conclusion The results indicate that, in patients with MDD, changes in the autonomic nervous system (ANS) are complex; and the assessment of ANS reactivity to stressors is useful. Elevated blood pressure might be underdiagnosed, although it is already relevant in patients with MDD in their early 50s.
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Affiliation(s)
- Jan Sarlon
- Center for Affective, Stress and Sleep Disorders, Psychiatric Clinics, University of Basel, Basel, Switzerland
| | - Angelica Staniloiu
- Oberbergklinik Hornberg, Hornberg, Germany.,Department of Psychology, University of Bielefeld, Bielefeld, Germany.,Department of Psychology, University of Bucharest, Bucharest, Romania
| | - Andreas Kordon
- Oberbergklinik Hornberg, Hornberg, Germany.,Department of Psychiatry, University of Freiburg, Freiburg, Germany
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17
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Nelson KL, Lu SE, Oken T, Lehrer PM, Feldman JM. Further Exploration of Treatment Response in Latinos with Comorbid Asthma and Panic Disorder: A Brief Report of HRV and ETCO2 as Potential Mediators of Treatment Response. Appl Psychophysiol Biofeedback 2021; 45:67-74. [PMID: 32193714 DOI: 10.1007/s10484-020-09454-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Heart rate variability (HRV) and end tidal CO2 (ETCO2) in relation to treatment response have not been studied in Latino populations or in comorbid asthma and panic disorder (PD). An extension of previously published research, the current study explored psychophysiological variables as possible mediators of treatment response. Latino treatment completers (N = 32) in the Bronx with asthma-PD received either Cognitive-Behavioral Psychophysiological Therapy (CBPT) or Music Relaxation Therapy (MRT). CBPT included HRV-biofeedback (HRVB); in-the-moment heart rate data to help an individual learn to influence his/her own heart rate. The sample was primarily female (93.8%) and Puerto Rican (81.25%). Treatment groups did not differ on demographics, except for less education in CBPT. The Panic Disorder Severity Scale (PDSS) and Asthma Control Questionnaire (ACQ) assessed changes in symptoms. HRV and ETCO2 were measured at four of eight therapy sessions. Baseline ETCO2 and changes in HRV from first to last of psychophysiology sessions were investigated as mediators of change on ACQ and PDSS. Mixed model analyses indicated in the CPBT group, changes in both asthma control and PD severity were not mediated by changes in HRV. In the CBPT and MRT groups combined, changes in PD severity were not mediated by baseline ETCO2. These findings may be due to the brevity of HRVB in CBPT, multiple treatment components, ETCO2 not directly targeted, and/or unique physiological pathways in Latinos with asthma-PD.
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Affiliation(s)
- Krista L Nelson
- Ferkauf Graduate School of Psychology, Yeshiva University, 1165 Morris Park Avenue, Rousso Building, Bronx, NY, 10461, USA
| | - Shou-En Lu
- Rutgers - School of Public Health, 683 Hoes Lane West, Piscataway, NJ, 08854, USA
| | - Tanya Oken
- Ferkauf Graduate School of Psychology, Yeshiva University, 1165 Morris Park Avenue, Rousso Building, Bronx, NY, 10461, USA
| | - Paul M Lehrer
- Department of Psychiatry, Rutgers - Robert Wood Johnson Medical School, 671 Hoes Lane, Piscataway, NJ, 08854, USA
| | - Jonathan M Feldman
- Ferkauf Graduate School of Psychology, Yeshiva University, 1165 Morris Park Avenue, Rousso Building, Bronx, NY, 10461, USA.
- Department of Pediatrics (Academic General Pediatrics), Albert Einstein College of Medicine/Children's Hospital at Montefiore, 1300 Morris Park Avenue, Bronx, NY, 10461, USA.
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18
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Lai M, Shen T, Cui H, Lin L, Ran P, Huo P, Chen L, Li J. Clinical outcomes and survival analysis in patients with psycho-cardiological disease: a retrospective analysis of 132 cases. J Int Med Res 2021; 49:300060521990984. [PMID: 33657899 PMCID: PMC7940745 DOI: 10.1177/0300060521990984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Objectives The deleterious effects of psychological problems on coronary heart disease (CHD) are not satisfactorily explained. We explored influential factors associated with mortality in psycho-cardiological disease in a Chinese sample. Methods Of 7460 cardiac patients, we selected 132 patients with CHD and mental illness. Follow-up was conducted via telephone. We analyzed clinical characteristics, clinical outcomes, and survival. Results The clinical detection rate of psycho-cardiological disease in the overall patient population was 1.8%. Of these, 113 patients completed follow-up; 18 died owing to cardiovascular diseases during follow-up. Kaplan–Meier analysis showed dysphagia, limb function, self-care ability, percutaneous coronary intervention, low-density lipoprotein, total cholesterol, pro-brain natriuretic peptide and high-sensitivity (hs) troponin T had significant associations with cumulative survival. Cox regression analysis showed total cholesterol (hazard ratio [HR]: 2.765, 95% confidence interval [CI]: 1.001–7.641), hs troponin T (HR: 4.668, 95% CI: 1.293–16.854), and percutaneous coronary intervention (HR: 3.619, 95% CI: 1.383–9.474) were independently associated with cumulative survival. Conclusions The clinical detection rate of psycho-cardiological disease was far lower than expected. Normal total cholesterol and hs troponin T were associated with reduced cardiovascular disease mortality over 2 years. Percutaneous coronary intervention is a prognostic risk factor in patients with psycho-cardiological disease.
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Affiliation(s)
- Minhua Lai
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Guangdong Pharmaceutical University, Guangzhou, China
| | - Teimei Shen
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Hong Cui
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Lixia Lin
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Peng Ran
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Peixia Huo
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ling Chen
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jingzhi Li
- Guangdong Pharmaceutical University, Guangzhou, China
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19
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Biofeedback: e-health prediction based on evolving fuzzy neural network and wearable technologies. EVOLVING SYSTEMS 2021. [DOI: 10.1007/s12530-021-09374-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractRecent advances in wearable microelectronics and new neural networks paradigms, capable to evolve and learn online such as the Evolving Fuzzy Neural Network (EFuNN), enable the deploy of biofeedback-based applications. The missed physiologic response could be recovered by measuring uninvasively the vital signs such as the heart rate, the bio impedance, the body temperature, the motion activity, the blood pressure, the blood oxygenation and the respiration rate. Then, the prediction could be performed applying the evolving ANN paradigms. The simulation of a wearable biofeedback system has been executed applying the Evolving Fuzzy Neural Network (EFuNN) paradigm for prediction. An highly integrated wearable microelectronic device for uninvasively vital signs measurement has been deployed. Simulation results demonstrate that biofeedback control model could be an effective reference design that enables short and long-term e-health prediction. The biofeedback framework was been then defined.
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20
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Papa V, Tafuri D, Vaccarezza M. Could Physical Activity Have any Role in Cardiovascular Disease Prevention in Prisoners? A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18052307. [PMID: 33652816 PMCID: PMC7956477 DOI: 10.3390/ijerph18052307] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/12/2021] [Accepted: 02/19/2021] [Indexed: 12/14/2022]
Abstract
More than 10.74 million people are currently held in penal institutions worldwide. Moreover, there is also evidence that the percentage of elder and female prisoners has been consistently growing. Cardiovascular diseases are the leading cause of death worldwide. Exercise training and physical activity help to prevent both primary and secondary cardiovascular events. Data on the influence of physical activity on the well-being in prison population is scarce. Here, we discussed, in a systematic review, the general health conditions and the cardiovascular risk profile in the prisoners compared to the general population and evaluated whether or not exercise could be a valuable tool in preventing these diseases in inmates. We performed a systematic review following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement: 769 were initially identified, and a total of 24 studies were finally included. Nine studies evaluated the health conditions in prisoners, five studies evaluated the incidence of cardiovascular disease (CVD) and coronary heart disease (CHD) in the prison population, and 10 studies evaluated the feasibility and the effectiveness of exercise programs in prisoners. Sports-educational programs can benefit prison inmates. It appears that supervised exercise training is an effective coping strategy to deal with incarceration. Moreover, it seems the sports programs might be a useful tool in improving physical and mental health of prisoners as well as in decreasing cardiovascular risk factors.
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Affiliation(s)
- Veronica Papa
- Department of Motor Sciences and Wellness, University of Naples “Parthenope”, 80132 Napoli, Italy;
- FAPAB Research Center, 96012 Avola, Italy
- Correspondence:
| | - Domenico Tafuri
- Department of Motor Sciences and Wellness, University of Naples “Parthenope”, 80132 Napoli, Italy;
| | - Mauro Vaccarezza
- Curtin Medical School & Curtin Health Innovation Research Institute (CHIRI), Curtin University, Kent St., Bentley 6102 WA, Australia;
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21
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Deuter CE, Otte C, Wingenfeld K, Kuehl LK. Yohimbine-Induced Reactivity of Heart Rate Variability in Unmedicated Depressed Patients With and Without Adverse Childhood Experience. Front Psychiatry 2021; 12:734904. [PMID: 34975560 PMCID: PMC8717379 DOI: 10.3389/fpsyt.2021.734904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 11/22/2021] [Indexed: 11/24/2022] Open
Abstract
Stressful life events play a role in the pathogenesis of major depressive disorder (MDD) and many patients with MDD were exposed to developmental stress due to adverse childhood experiences (ACE). Furthermore, dysregulation of the autonomic nervous system and higher incidence of cardiovascular disease are found in MDD. In MDD, and independently in individuals with ACE, abnormalities in heart rate variability (HRV) have been reported. While these are often confounded, we systematically investigated them with a study which included MDD patients with/without ACE as well as healthy individuals with/without ACE. With this study, we investigated the influence of noradrenergic stimulation on HRV reactivity in unmedicated participants in a randomized, double-blind, repeated measures design. Our sample consisted of men and women with MDD and ACE (n = 25), MDD without ACE (n = 24), healthy participants with ACE (n = 27), and without ACE (n = 48). Participants received a 10 mg single dose of the alpha-2 antagonist yohimbine that increases noradrenergic activity or placebo on 2 separate days, with ECG recordings before and after drug administration at defined intervals. We found lower basal HRV in MDD and ACE: patients with MDD had reduced RMSSD whereas participants with ACE had lower LF-HRV. Contrary to our hypothesis, there was no effect of yohimbine. With this study, we were able to replicate previous findings on HRV differences in MDD and ACE. From the null effect of yohimbine, we conclude that the yohimbine-induced sympathetic activation is not a significant driver of HRV in MDD and ACE.
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Affiliation(s)
- Christian Eric Deuter
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Benjamin Franklin, Department of Psychiatry and Psychotherapy, Berlin, Germany
| | - Christian Otte
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Benjamin Franklin, Department of Psychiatry and Psychotherapy, Berlin, Germany
| | - Katja Wingenfeld
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Benjamin Franklin, Department of Psychiatry and Psychotherapy, Berlin, Germany
| | - Linn Kristina Kuehl
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Benjamin Franklin, Department of Psychiatry and Psychotherapy, Berlin, Germany.,Department of Psychology, Clinical Psychology and Psychotherapy, MSB Medical School Berlin, Berlin, Germany
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22
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Uhlmann C, Flammer E, Jaeger S, Schmid P. Review zur Wirksamkeit von Biofeedback und Neurofeedback bei Depression. VERHALTENSTHERAPIE 2020. [DOI: 10.1159/000510477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
<b><i>Hintergrund:</i></b> Biofeedbackverfahren haben sich für unterschiedliche psychische und somatische Erkrankungen als wirksam erwiesen. Für depressive Störungen als weitverbreitetes Störungsbild liegen mittlerweile zwar mehrere Studienergebnisse vor, die Bewertung der wissenschaftlichen Evidenz ist jedoch weiterhin ausstehend. <b><i>Material und Methoden:</i></b> Eine systematische Literaturrecherche wurde in den Datenbanken PubMed, PsycINFO und CINAHL mit den Begriffen “Neurofeedback” oder “Biofeedback” und “Depression” durchgeführt. Von den insgesamt 971 identifizierten Publikationen gingen nach Durchsicht 12 in die Arbeit ein. <b><i>Ergebnisse:</i></b> Die Effektstärken lagen für den Vergleich Prä- versus Post-Intervention bei einer Range von 0,31 bis 4,08 und für den Vergleich zwischen Biofeedback und Kontrollgruppe bei –0,77 bis 2,38 für beide Arten des angewendeten Feedbacktrainings: Neurofeedback und Feedback der Herzratenvariabilität. Beinhalteten Kontrollinterventionen Entspannungstechniken oder Placebo-Feedback, zeigten sich auch hier überraschend gute Ergebnisse. <b><i>Diskussion:</i></b> Die Aussagekraft der Ergebnisse wird gemindert durch meist kleine Stichproben, nur wenige Katamnesedaten und vor dem Hintergrund von nur drei Studien mit festgestellt geringem Verzerrungsrisiko. Dies in die Interpretation einbezogen, sind die Studienergebnisse jedoch immer noch beachtlich gut. <b><i>Schlussfolgerungen:</i></b> Symptomverbesserungen mit teilweise hohen Effektstärken zeigen, dass Biofeedbackverfahren für die Behandlung von depressiven Störungen eventuell geeignete Methoden sind. Unspezifische Wirkfaktoren wie Entspannungs- und Erwartungseffekte gilt es unbedingt zu berücksichtigen. Eine vielversprechende Perspektive könnte die Kombination aus verhaltenstherapeutischem Ansatz und Feedbacktraining sein.
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Agaba DC, Migisha R, Lugobe HM, Katamba G, Ashaba S. A 10-Year Risk of Cardiovascular Disease among Patients with Severe Mental Illness at Mbarara Regional Referral Hospital, Southwestern Uganda. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2508751. [PMID: 32775412 PMCID: PMC7396089 DOI: 10.1155/2020/2508751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 07/05/2020] [Accepted: 07/14/2020] [Indexed: 01/28/2023]
Abstract
Cardiovascular disease (CVD) is a leading cause of morbidity and mortality worldwide. Patients with severe mental illness (SMI) are at a higher risk for developing CVD and have a higher risk for harboring factors related to CVD. In addition to the effects of antipsychotic medications, unhealthy lifestyle factors, such as poor diet, inadequate physical activity, cigarette smoking, and sedentary behaviors, are known to be risk factors that may contribute to poor cardiovascular health in patients with SMI. Early identification of individuals at elevated risk of CVD is essential so that dietary and lifestyle modifications or pharmacological interventions can be prescribed to alleviate the risk of cardiovascular disease. The objective of the study was to determine the 10-year risk of cardiovascular disease among patients with severe mental illness at Mbarara Regional Referral Hospital, southwestern Uganda. We conducted a cross-sectional study at the outpatient mental health clinic of Mbarara Regional Referral Hospital, between October 2018 and March 2019. We used the Globorisk CVD risk score to estimate the 10-year risk of CVD among patients with SMI, using the online Globorisk calculator. Participants were then assigned to one of three categories depending on their 10-year CVD risk score: <3% (low), 3-10% (intermediate), and >10% (high). We calculated the risk scores of 125 participants aged 40-74 years. Most of the participants were female 75 (60%), had a diagnosis of bipolar disorder 75 (60%), and had mental illness for ≥10 years 57 (46%). Eighty five percent (85%) of the participants had intermediate to high 10-year risk of CVD (64% with intermediate and 21% with high risk). The average risk score was significantly higher in males compared to females, 8.82% versus 6.43%, p = 0.016. We detected a high 10-year risk of CVD in a significant proportion of patients with SMI in southwestern Uganda. We recommend lifestyle modifications and pharmacological interventions to reverse risk or delay progression to CVD in this patient population.
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Affiliation(s)
- David Collins Agaba
- Department of Physiology, Mbarara University of Science & Technology, Mbarara, Uganda
| | - Richard Migisha
- Department of Physiology, Mbarara University of Science & Technology, Mbarara, Uganda
| | - Henry Mark Lugobe
- Department of Obstetrics and Gynaecology, Mbarara University of Science & Technology, Uganda
| | - Godfrey Katamba
- Department of Physiology, King Ceasor University, Kampala, Uganda
| | - Scholastic Ashaba
- Department of Psychiatry, Mbarara University of Science & Technology, Mbarara, Uganda
- Department of Psychiatry, Kampala International University, Uganda
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Impact of sex and depressed mood on the central regulation of cardiac autonomic function. Neuropsychopharmacology 2020; 45:1280-1288. [PMID: 32152473 PMCID: PMC7298013 DOI: 10.1038/s41386-020-0651-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 02/21/2020] [Accepted: 02/28/2020] [Indexed: 12/31/2022]
Abstract
Cardiac autonomic dysregulation has been implicated in the comorbidity of major psychiatric disorders and cardiovascular disease, potentially through dysregulation of physiological responses to negative stressful stimuli (here, shortened to stress response). Further, sex differences in these comorbidities are substantial. Here, we tested the hypothesis that mood- and sex-dependent alterations in brain circuitry implicated in the regulation of the stress response are associated with reduced peripheral parasympathetic activity during negative emotional arousal. Fifty subjects (28 females) including healthy controls and individuals with major depression, bipolar psychosis and schizophrenia were evaluated. Functional magnetic resonance imaging and physiology (cardiac pulse) data were acquired during a mild visual stress reactivity challenge. Associations between changes in activity and functional connectivity of the stress response circuitry and variations in cardiovagal activity [normalized high frequency power of heart rate variability (HFn)] were evaluated using GLM analyses, including interactions with depressed mood and sex across disorders. Our results revealed that in women with high depressed mood, lower cardiovagal activity in response to negative affective stimuli was associated with greater activation of hypothalamus and right amygdala and reduced connectivity between hypothalamus and right orbitofrontal cortex, amygdala, and hippocampus. No significant associations were observed in women with low levels of depressed mood or men. Our results revealed mood- and sex-dependent interactions in the central regulation of cardiac autonomic activity in response to negative affective stimuli. These findings provide a potential pathophysiological mechanism for previously observed sex differences in the comorbidity of major depression and cardiovascular disease.
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Duan J, Wu Y, Liu C, Yang C, Yang L. Deleterious effects of viral pneumonia on cardiovascular system. Eur Heart J 2020; 41:1833-1838. [PMID: 32383765 DOI: 10.1093/eurheartj/ehaa325] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/19/2020] [Accepted: 04/10/2020] [Indexed: 12/22/2022] Open
Abstract
Abstract
Viral pneumonia has a significant effect on the cardiovascular system through various mechanisms; even though it is traditionally regarded as a pulmonary disease characterized by dyspnoea and hypoxaemia. Recent research works have shown that cardiovascular events outweigh all other causes of death in various influenza pandemics. Therefore, the exploration of the effects of viral pneumonia on cardiovascular system becomes increasingly essential. The objective of this review is three-fold: first, to summarize the knowledge about the epidemiological characteristics and clinical manifestations of viral infections that are the recent causes of global pandemics; second, to explore the cardiovascular response to these infections; and third, to attempt in identifying the possible coping strategies of the Wuhan epidemic and the future viral infection pandemics.
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Affiliation(s)
- Jiahao Duan
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Yeshun Wu
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Cunming Liu
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Chun Yang
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ling Yang
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, China
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26
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Tazawa Y, Liang KC, Yoshimura M, Kitazawa M, Kaise Y, Takamiya A, Kishi A, Horigome T, Mitsukura Y, Mimura M, Kishimoto T. Evaluating depression with multimodal wristband-type wearable device: screening and assessing patient severity utilizing machine-learning. Heliyon 2020; 6:e03274. [PMID: 32055728 PMCID: PMC7005437 DOI: 10.1016/j.heliyon.2020.e03274] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/11/2019] [Accepted: 01/17/2020] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE We aimed to develop a machine learning algorithm to screen for depression and assess severity based on data from wearable devices. METHODS We used a wearable device that calculates steps, energy expenditure, body movement, sleep time, heart rate, skin temperature, and ultraviolet light exposure. Depressed patients and healthy volunteers wore the device continuously for the study period. The modalities were compared hourly between patients and healthy volunteers. XGBoost was used to build machine learning models and 10-fold cross-validation was applied for the validation. RESULTS Forty-five depressed patients and 41 healthy controls participated, creating a combined 5,250 days' worth of data. Heart rate, steps, and sleep were significantly different between patients and healthy volunteers in some comparisons. Similar differences were also observed longitudinally when patients' symptoms improved. Based on seven days' data, the model identified symptomatic patients with 0.76 accuracy and predicted Hamilton Depression Rating Scale-17 scores with a 0.61 correlation coefficient. Skin temperature, sleep time-related features, and the correlation of those modalities were the most significant features in machine learning. LIMITATIONS The small number of subjects who participated in this study may have weakened the statistical significance of the study. There are differences in the demographic data among groups although we performed a correction for multiple comparisons. Validation in independent datasets was not performed, although 10-fold cross validation with the internal data was conducted. CONCLUSION The results indicated that utilizing wearable devices and machine learning may be useful in identifying depression as well as assessing severity.
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Affiliation(s)
- Yuuki Tazawa
- Keio University School of Medicine, Tokyo, Japan
| | | | | | | | - Yuriko Kaise
- Keio University School of Medicine, Tokyo, Japan
| | | | - Aiko Kishi
- Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | | | - Yasue Mitsukura
- Faculty of Science and Technology, Keio University, Kanagawa, Japan
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Choi KW, Jeon HJ. Heart Rate Variability for the Prediction of Treatment Response in Major Depressive Disorder. Front Psychiatry 2020; 11:607. [PMID: 32695031 PMCID: PMC7339656 DOI: 10.3389/fpsyt.2020.00607] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/11/2020] [Indexed: 11/13/2022] Open
Abstract
Major depressive disorder (MDD) is one of the disabling diseases in the world-wide, and known to increase cardiac morbidity and mortality. Therefore, previous studies related heart rate variability (HRV) have been conducted to evaluate and diagnose MDD, and to predict treatment outcomes in patient with MDD. We reviewed extensively on the previous peer-reviewed publications associated with this issue, using Pub-Med. In this review article, we introduce the basic concept of HRV and HRV measures, and present several important findings associated with diagnosis and treatment prediction in MDD with using HRV parameters. Furthermore, we discuss the possible underlying mechanism of this phenomenon, and suggest several considerations for the future research.
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Affiliation(s)
- Kwan Woo Choi
- Department of Psychiatry, Korea University College of Medicine, Seoul, South Korea
| | - Hong Jin Jeon
- Department of Psychiatry, Depression Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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28
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The brain-adipocyte-gut network: Linking obesity and depression subtypes. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2019; 18:1121-1144. [PMID: 30112671 DOI: 10.3758/s13415-018-0626-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Major depressive disorder (MDD) and obesity are dominant and inter-related health burdens. Obesity is a risk factor for MDD, and there is evidence MDD increases risk of obesity. However, description of a bidirectional relationship between obesity and MDD is misleading, as closer examination reveals distinct unidirectional relationships in MDD subtypes. MDD is frequently associated with weight loss, although obesity promotes MDD. In contrast, MDD with atypical features (MDD-AF) is characterised by subsequent weight gain and obesity. The bases of these distinct associations remain to be detailed, with conflicting findings clouding interpretation. These associations can be viewed within a systems biology framework-the psycho-immune neuroendocrine (PINE) network shared between MDD and metabolic disorders. Shared PINE subsystem perturbations may underlie increased MDD in overweight and obese people (obesity-associated depression), while obesity in MDD-AF (depression-associated obesity) involves more complex interactions between behavioural and biomolecular changes. In the former, the chronic PINE dysfunction triggering MDD is augmented by obesity-dependent dysregulation in shared networks, including inflammatory, leptin-ghrelin, neuroendocrine, and gut microbiome systems, influenced by chronic image-associated psychological stress (particularly in younger or female patients). In MDD-AF, behavioural dysregulation, including hypersensitivity to interpersonal rejection, fundamentally underpins energy imbalance (involving hyperphagia, lethargy, hypersomnia), with evolving obesity exaggerating these drivers via positive feedback (and potentially augmenting PINE disruption). In both settings, sex and age are important determinants of outcome, associated with differences in emotional versus cognitive dysregulation. A systems biology approach is recommended for further research into the pathophysiological networks underlying MDD and linking depression and obesity.
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Lesnewich LM, Conway FN, Buckman JF, Brush CJ, Ehmann PJ, Eddie D, Olson RL, Alderman BL, Bates ME. Associations of depression severity with heart rate and heart rate variability in young adults across normative and clinical populations. Int J Psychophysiol 2019; 142:57-65. [PMID: 31195066 DOI: 10.1016/j.ijpsycho.2019.06.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 06/05/2019] [Accepted: 06/07/2019] [Indexed: 12/19/2022]
Abstract
Limitations of current depression treatments may arise from a lack of knowledge about unique psychophysiological processes that contribute to depression across the full range of presentations. This study examined how individual variations in heart rate (HR) and heart rate variability (HRV) are related to depressive symptoms across normative and clinical populations in 152 young adults (aged 18-35 years). Moderating effects of sex and antidepressant medication status were considered. Electrocardiogram data were collected during "vanilla" baseline and in response to positive and negative emotional cues. Linear regressions and repeated-measures mixed models were used to assess the relationships between Beck Depression Inventory-II (BDI-II) scores, sex, antidepressant use, and cardiovascular outcomes. Baseline models yielded significant main effects of BDI-II and sex on HR and significant interactions between antidepressant medication status and BDI-II on HRV outcomes. The main effects of BDI-II and sex on HR were no longer significant after controlling for cardiorespiratory fitness. Participants who denied current antidepressant use (n = 137) exhibited a negative association and participants who endorsed current antidepressant (n = 15) use exhibited a positive association between BDI-II scores and HRV. Emotional reactivity models were largely non-significant with the exception of a significant main effect of antidepressant medication status on high-frequency HRV reactivity. Results indicated antidepressant medication use may moderate the relationship between depression severity and cardiovascular functioning, but this requires replication given the modest proportion of medicated individuals in this study. Overall, findings suggest cardiovascular processes and cardiorespiratory fitness are linked to depression symptomatology and may be important to consider in depression treatment.
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Affiliation(s)
- Laura M Lesnewich
- Center of Alcohol Studies, Rutgers, The State University of New Jersey, 607 Allison Road, Piscataway, NJ 08854, USA.
| | - Fiona N Conway
- Steve Hicks School of Social Work, University of Texas at Austin, 1925 San Jacinto Boulevard, Austin, TX 78712, USA.
| | - Jennifer F Buckman
- Center of Alcohol Studies, Rutgers, The State University of New Jersey, 607 Allison Road, Piscataway, NJ 08854, USA; Department of Kinesiology and Health, Rutgers, The State University of New Jersey, 70 Lipman Drive, New Brunswick, NJ 08901, USA.
| | - Christopher J Brush
- Department of Kinesiology and Health, Rutgers, The State University of New Jersey, 70 Lipman Drive, New Brunswick, NJ 08901, USA.
| | - Peter J Ehmann
- Department of Kinesiology and Health, Rutgers, The State University of New Jersey, 70 Lipman Drive, New Brunswick, NJ 08901, USA.
| | - David Eddie
- Recovery Research Institute, Center for Addiction Medicine, Massachusetts General Hospital, Harvard Medical School, 151 Merrimac Street, Boston, MA 02114, USA.
| | - Ryan L Olson
- Department of Kinesiology, Health Promotion, and Recreation, University of North Texas, 1921 Chestnut Street, Denton, TX 76203, USA.
| | - Brandon L Alderman
- Department of Kinesiology and Health, Rutgers, The State University of New Jersey, 70 Lipman Drive, New Brunswick, NJ 08901, USA.
| | - Marsha E Bates
- Center of Alcohol Studies, Rutgers, The State University of New Jersey, 607 Allison Road, Piscataway, NJ 08854, USA; Department of Kinesiology and Health, Rutgers, The State University of New Jersey, 70 Lipman Drive, New Brunswick, NJ 08901, USA.
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Wu Y, Zhu B, Chen Z, Duan J, Luo A, Yang L, Yang C. New Insights Into the Comorbidity of Coronary Heart Disease and Depression. Curr Probl Cardiol 2019; 46:100413. [PMID: 31005351 DOI: 10.1016/j.cpcardiol.2019.03.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 03/03/2019] [Indexed: 12/19/2022]
Abstract
Coronary heart disease (CHD) and depression are common disorders that markedly impair quality of life and impose a great financial burden on society. They are also frequently comorbid, exacerbating patient condition, and worsening prognosis. This comorbidity strongly suggests shared pathologic mechanisms. This review focuses on the incidence of depression in patients with CHD, deleterious effects of depression on CHD symptoms, and the potential mechanisms underlying comorbidity. In addition to the existing frequent mechanisms that are well known for decades, this review summarized interesting and original potential mechanisms to underlie the comorbidity, such as endocrine substances, gut microbiome, and microRNA. Finally, there are several treatment strategies for the comorbidity, involving drugs and psychotherapy, which may provide a theoretical basis for further basic research and clinical investigations on improved therapeutic interventions.
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31
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Glutamate Within the Marmoset Anterior Hippocampus Interacts with Area 25 to Regulate the Behavioral and Cardiovascular Correlates of High-Trait Anxiety. J Neurosci 2019; 39:3094-3107. [PMID: 30718320 PMCID: PMC6468106 DOI: 10.1523/jneurosci.2451-18.2018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 12/07/2018] [Accepted: 12/14/2018] [Indexed: 11/21/2022] Open
Abstract
High-trait anxiety is a risk factor for the development of affective disorders and has been associated with decreased cardiovascular and behavioral responsivity to acute stressors in humans that may increase the risk of developing cardiovascular disease. Although human neuroimaging studies of high-trait anxiety reveals dysregulation in primate cingulate areas 25 and 32 and the anterior hippocampus (aHipp) and rodent studies reveal the importance of aHipp glutamatergic hypofunction, the causal involvement of aHipp glutamate and its interaction with these areas in the primate brain is unknown. Accordingly, we correlated marmoset trait anxiety scores to their postmortem aHipp glutamate levels and showed that low glutamate in the right aHipp is associated with high-trait anxiety in marmosets. Moreover, pharmacologically increasing aHipp glutamate reduced anxiety levels in highly anxious marmosets in two uncertainty-based tests of anxiety: exposure to a human intruder with uncertain intent and unpredictable loud noise. In the human intruder test, increasing aHipp glutamate decreased anxiety by increasing approach to the intruder. In the unpredictable threat test, animals showed blunted behavioral and cardiovascular responsivity after control infusions, which was normalized by increasing aHipp glutamate. However, this aHipp-mediated anxiolytic effect was blocked by simultaneous pharmacological inactivation of area 25, but not area 32, areas which when inactivated independently reduced and had no effect on anxiety, respectively. These findings provide causal evidence in male and female primates that aHipp glutamatergic hypofunction and its regulation by area 25 contribute to the behavioral and cardiovascular symptoms of endogenous high-trait anxiety.SIGNIFICANCE STATEMENT High-trait anxiety predisposes sufferers to the development of anxiety and depression. Although neuroimaging of these disorders and rodent modeling implicate dysregulation in hippocampal glutamate and the subgenual/perigenual cingulate cortices (areas 25/32), the causal involvement of these structures in endogenous high-trait anxiety and their interaction are unknown. Here, we demonstrate that increased trait anxiety in marmoset monkeys correlates with reduced hippocampal glutamate and that increasing hippocampal glutamate release in high-trait-anxious monkeys normalizes the aberrant behavioral and cardiovascular responsivity to potential threats. This normalization was blocked by simultaneous inactivation of area 25, but not area 32. These findings provide casual evidence in primates that hippocampal glutamatergic hypofunction regulates endogenous high-trait anxiety and the hippocampal-area 25 circuit is a potential therapeutic target.
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Pinter A, Szatmari S, Horvath T, Penzlin AI, Barlinn K, Siepmann M, Siepmann T. Cardiac dysautonomia in depression - heart rate variability biofeedback as a potential add-on therapy. Neuropsychiatr Dis Treat 2019; 15:1287-1310. [PMID: 31190834 PMCID: PMC6529729 DOI: 10.2147/ndt.s200360] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 03/21/2019] [Indexed: 01/05/2023] Open
Abstract
Depressive disorders are among the most important health problems and are predicted to constitute the leading cause of disease burden by the year 2030. Aside significant impact on quality of life, psychosocial well-being and socioeconomic status of affected patients, depression is associated with impaired cardiovascular health and increased mortality. The link between affective and cardiovascular disease has largely been attributed to dysregulation of the autonomic nervous system resulting in a chronic shift toward increased sympathetic and decreased parasympathetic activity and, consecutively, cardiac dysautonomia. Among proposed surrogate parameters to capture and quantitatively analyze this shift, heart rate variability (HRV) and baroreflex sensitivity have emerged as reliable tools. Attenuation of these parameters is frequently seen in patients suffering from depression and is closely linked to cardiovascular morbidity and mortality. Therefore, diagnostic and therapeutic strategies were designed to assess and counteract cardiac dysautonomia. While psychopharmacological treatment can effectively improve affective symptoms of depression, its effect on cardiac dysautonomia is limited. HRV biofeedback is a non-invasive technique which is based on a metronomic breathing technique to increase parasympathetic tone. While some small studies observed beneficial effects of HRV biofeedback on dysautonomia in patients with depressive disorders, larger confirmatory trials are lacking. We reviewed the current literature on cardiac dysautonomia in patients suffering from depression with a focus on the underlying pathophysiology as well as diagnostic workup and treatment.
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Affiliation(s)
- Alexandra Pinter
- Division of Health Care Sciences, Dresden International University, Dresden, Germany.,Department of Family Medicine, Semmelweis University, Budapest, Hungary
| | - Szabolcs Szatmari
- Division of Health Care Sciences, Dresden International University, Dresden, Germany.,Department of Neurology, Semmelweis University, Budapest, Hungary.,Janos Szentagothai Doctoral School of Neurosciences, Semmelweis University, Budapest, Hungary
| | - Tamas Horvath
- Department of Hydrodynamic Systems, Budapest University of Technology and Economics, Budapest, Hungary
| | - Ana Isabel Penzlin
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Kristian Barlinn
- Department of Neurology, Carl Gustav Carus University Hospital, Technische Universität Dresden, Dresden, Germany
| | - Martin Siepmann
- Department of Psychosomatic Medicine and Psychotherapy, Carl Gustav Carus University Hospital, Technische Universität Dresden, Dresden, Germany
| | - Timo Siepmann
- Division of Health Care Sciences, Dresden International University, Dresden, Germany.,Department of Neurology, Carl Gustav Carus University Hospital, Technische Universität Dresden, Dresden, Germany
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Tonello L, Oliveira-Silva I, Medeiros AR, Donato ANA, Schuch FB, Donath L, Boullosa D. Prediction of Depression Scores From Aerobic Fitness, Body Fatness, Physical Activity, and Vagal Indices in Non-exercising, Female Workers. Front Psychiatry 2019; 10:192. [PMID: 31031652 PMCID: PMC6473624 DOI: 10.3389/fpsyt.2019.00192] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 03/15/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Depression is associated with a decreased cardiorespiratory fitness, and physical activity [PA] levels, higher rates of obesity, and dysfunction in autonomic control of heart rate [HR]. However, these parameters were mostly recorded with indirect methods. Thus, the aim of the current study was to investigate the relationships between depression scores and objective measures of body fatness, autonomic indices (i.e. HRV and HRR), cardiorespiratory fitness and PA levels; and subsequently to present the best predictive models of depression scores for this population, based on these variables. Methods: Thirty-five non-exercising women (26-43 years; maximal oxygen consumption [VO2max] ~ 17.4-38.3 mL/kg/min) volunteered for participation in this study. All participants responded to the Beck Depression Inventory [DBI] and were evaluated for body mass index [BMI], percentage of body fat, sum of skinfolds, and VO2max. Subsequently, over four consecutive days, an orthostatic test and a submaximal exercise on a cycle ergometer were performed to record HRV and HRR, respectively. In addition, incidental PA was recorded during 5 consecutive days using accelerometers. Results: depression scores were related to VO2max (r = -0.446, p = 0.007) and the sum of skinfolds (r = 0.434, p = 0.009). Several stepwise multiple linear regression models were performed and only VO2max was revealed as an independent predictor of the Beck scores (ß = -0.446, R 2 = 0.199, p = 0.007). Conclusion: The present study revealed that VO2max and the sum of skinfolds were moderately related to depression scores, while VO2max was the only independent predictor of depression scores in female workers.
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Affiliation(s)
- Laís Tonello
- Educação Física, Universidade de Gurupi, Gurupi, Brazil.,Escola de Saúde e Medicina, Universidade Católica de Brasília, Brasília, Brazil
| | | | | | | | - Felipe Barreto Schuch
- Mestrado em Saúde e Desenvolvimento Humano, Universidade La Salle Canoas, Canoas, Brazil
| | - Lars Donath
- Department of Intervention Research in Exercise Training, German Sport University, Cologne, Germany
| | - Daniel Boullosa
- Sport and Excercise Science, James Cook University, Townsville, QLD, Australia
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Wilkowska A, Rynkiewicz A, Wdowczyk J, Landowski J, Cubała WJ. Heart rate variability and incidence of depression during the first six months following first myocardial infarction. Neuropsychiatr Dis Treat 2019; 15:1951-1956. [PMID: 31371968 PMCID: PMC6628206 DOI: 10.2147/ndt.s212528] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 05/22/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Post-myocardial depression is a highly prevalent condition worsening the course and prognosis of coronary artery disease. One of the possible pathogenetic factors is dysregulation of the autonomous nervous system, resulting in heart rate variability reduction. METHODS Twenty two patients hospitalised due to a first myocardial infarction were included. The Beck Depression Inventory (BDI) was used to rate the severity of their depressive symptoms. RESULTS Depressive symptomatology, defined as BDI ≥10, was present in 36.3% of the patients. Increase in heart rate variability (HRV) was observed in both groups during the first 6 months after the myocardial infarction. The HRV was significantly lower in the depressed group compared to patients without depression. CONCLUSION Presence of depression after the myocardial infarction (MI) is associated with a significant decrease of the time domain HRV measure SDNN (standard deviation of all normal RR intervals) and with its slower increase during at least a three months period.
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Affiliation(s)
- Alina Wilkowska
- Department of Psychiatry, Faculty of Medicine, Medical University of Gdansk, Gdańsk, Poland
| | - Andrzej Rynkiewicz
- Department of Cardiology and Cardiosurgery, Faculty of Medicine, University of Warmia and Mazury, Olsztyn, Poland
| | - Joanna Wdowczyk
- First Department of Cardiology, Faculty of Medicine, Medical University of Gdansk, Gdańsk, Poland
| | - Jerzy Landowski
- Department of Psychiatry, Faculty of Medicine, Medical University of Gdansk, Gdańsk, Poland
| | - Wiesław Jerzy Cubała
- Department of Psychiatry, Faculty of Medicine, Medical University of Gdansk, Gdańsk, Poland
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35
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De Hert M, Detraux J, Vancampfort D. The intriguing relationship between coronary heart disease and mental disorders. DIALOGUES IN CLINICAL NEUROSCIENCE 2018. [PMID: 29946209 PMCID: PMC6016051 DOI: 10.31887/dcns.2018.20.1/mdehert] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Coronary heart disease (CHD) and mental illness are among the leading causes of morbidity and mortality worldwide. Decades of research has revealed several, and sometimes surprising, links between CHD and mental illness, and has even suggested that both may actually cause one another. However, the precise nature of these links has not yet been clearly established. The goal of this paper, therefore, is to comprehensively review and discuss the state-of-the-art nature of the epidemiological and pathophysiological aspects of the bidirectional links between mental illness and CHD. This review demonstrates that there exists a large body of epidemiological prospective data showing that people with severe mental illness, including schizophrenia, bipolar disorder, and major depressive disorder, as a group, have an increased risk of developing CHD, compared with controls [adjusted hazard ratio (adjHR)=1.54; 95% CI: 1.30-1.82, P<0.0001]. Anxiety symptoms or disorders (Relative Risk (RR)=1.41, 95% CI: 1.23-1.61, P<0.0001), as well as experiences of persistent or intense stress or posttraumatic stress disorder (PTSD) (adjHR=1.27, 95% CI: 1.08-1.49), although to a lesser degree, may also be independently associated with an increased risk of developing CHD. On the other hand, research also indicates that these symptoms/mental diseases are common in patients with CHD and may be associated with a substantial increase in cardiovascular morbidity and mortality. Finally, mental diseases and CHD appear to have a shared etiology, including biological, behavioral, psychological, and genetic mechanisms.
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Affiliation(s)
- Marc De Hert
- Department of Neurosciences, KU Leuven University Psychiatric Centre, Kortenberg, Belgium, KU Leuven University of Leuven, Kortenberg, Belgium
| | - Johan Detraux
- Department of Neurosciences, KU Leuven University Psychiatric Centre, Kortenberg, KU Leuven University of Leuven, Kortenberg, Belgium
| | - Davy Vancampfort
- Department of Rehabilitation Sciences, KU Leuven University of Leuven, Leuven, Belgium, KU Leuven University of Leuven, Kortenberg, Belgium
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Health, pre-disease and critical transition to disease in the psycho-immune-neuroendocrine network: Are there distinct states in the progression from health to major depressive disorder? Physiol Behav 2018; 198:108-119. [PMID: 30393143 DOI: 10.1016/j.physbeh.2018.10.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 10/01/2018] [Accepted: 10/25/2018] [Indexed: 01/03/2023]
Abstract
The psycho-immune-neuroendocrine (PINE) network is a regulatory network of interrelated physiological pathways that have been implicated in major depressive disorder (MDD). A model of disease progression for MDD is presented where the stable, healthy state of the PINE network (PINE physiome) undergoes progressive pathophysiological changes to an unstable but reversible pre-disease state (PINE pre-diseasome) with chronic stress. The PINE network may then undergo critical transition to a stable, possibly irreversible disease state of MDD (PINE pathome). Critical transition to disease is heralded by early warning signs which are detectible by biomarkers specific to the PINE network and may be used as a screening test for MDD. Critical transition to MDD may be different for each individual, as it is reliant on diathesis, which comprises genetic predisposition, intrauterine and developmental factors. Finally, we propose the PINE pre-disease state may form a "universal pre-disease state" for several non-communicable diseases (NCDs), and critical transition of the PINE network may lead to one of several frequently associated disease states (influenced by diathesis), supporting the existence of a common Chronic Illness Risk Network (CIRN). This may provide insight into both the puzzle of multifinality and the growing clinical challenge of multimorbidity.
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Zhang M, Liu L, Shi Y, Yang Y, Yu X, Angerer P, Kristensen TS, Li J. Longitudinal associations of burnout with heart rate variability in patients following acute coronary syndrome: A one-year follow-up study. Gen Hosp Psychiatry 2018; 53:59-64. [PMID: 29859340 DOI: 10.1016/j.genhosppsych.2018.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/23/2018] [Accepted: 05/24/2018] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To investigate longitudinal associations of burnout with heart rate variability (HRV) in patients after their first events of acute coronary syndrome (ACS). METHODS In total, two hundred eight patients participated in this one-year follow-up study. On the day before discharge, their personal burnout level was assessed by the Copenhagen Burnout Inventory. HRV signals were collected at four time points: the day before discharge, one month, six month and one year after discharge. HRV was measured by 24-hour ambulatory electrocardiography and analyzed in time and frequency domains. Generalized estimating equations were applied to analyze the associations of burnout at baseline with longitudinal tracking of HRV during follow-up in format of natural logarithmic transformation. RESULTS After adjusting for relevant confounding factors, high burnout at baseline was significantly associated with low standard deviation of NN intervals (SDNN), a time domain measure of HRV (p < 0.05). Also, baseline burnout was inversely associated with five frequency domain measures, i.e., high frequency power (HF), low frequency power (LF), very low frequency power (VLF), and ultra low frequency power (ULF), and total power (TP) (all p < 0.05). CONCLUSION Personal burnout is longitudinally associated with decreased HRV during one-year period among patients after first ACS.
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Affiliation(s)
- Min Zhang
- Cardiology Department, 1st Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China.
| | - Ling Liu
- Cardiology Department, 1st Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Yunke Shi
- Cardiology Department, 1st Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Yanfei Yang
- Cardiology Department, Kunming Children's Hospital, Kunming, Yunnan 650228, China
| | - Xiaoju Yu
- Cardiology Department, 1st hospital of Yibin City, Yibin, Sichuan 644000, China
| | - Peter Angerer
- Institute of Occupational, Social and Environmental Medicine, Center for Health and Society, Faculty of Medicine, University of Düsseldorf, Düsseldorf 40225, Germany
| | | | - Jian Li
- Institute of Occupational, Social and Environmental Medicine, Center for Health and Society, Faculty of Medicine, University of Düsseldorf, Düsseldorf 40225, Germany
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From feedback loop transitions to biomarkers in the psycho-immune-neuroendocrine network: Detecting the critical transition from health to major depression. Neurosci Biobehav Rev 2018. [DOI: 10.1016/j.neubiorev.2018.03.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Hartmann R, Schmidt FM, Sander C, Hegerl U. Heart Rate Variability as Indicator of Clinical State in Depression. Front Psychiatry 2018; 9:735. [PMID: 30705641 PMCID: PMC6344433 DOI: 10.3389/fpsyt.2018.00735] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/13/2018] [Indexed: 12/24/2022] Open
Abstract
Background: Depression is a severe disease with great burdens for the affected individuals and public health care systems. Autonomic nervous system (ANS) dysfunction indexed by measures of heart rate variability (HRV) has repeatedly been associated with depression. However, HRV parameters are subject to a wide range of multi-factorial influences and underlying mechanisms in depression are still unclear. HRV parameters have been proposed to be promising candidates for diagnostic or predictive bio-markers for depression but necessary longitudinal design studies investigating the relationship between HRV and depression are scarce. Methods: The sample in this study consisted of 62 depressive individuals without antidepressant medication prior to assessment and 65 healthy controls. Fifteen minute blocks of resting ECGs were recorded 1-2 days before onset of antidepressant treatment and 2 weeks thereafter. The ECGs were pre-processed to extract inter-beat-intervals. Linear and non-linear methods were used to extract HRV parameters. ANOVAS were performed to investigate group differences between depressive patients and healthy controls. Associations between the change in severity of depression and HRV parameters were assessed in a repeated measurements design. Results: Analyses revealed HRV parameter differences between the groups of depressive patients and healthy controls at baseline. Further results show differences in HRV parameters within subjects after 2 weeks of antidepressant treatment. Change in HRV parameter values correlated with changes in symptom severity of depression. Discussion: The current results provide further insight into the relationship between HRV parameters and depression. This may help to underpin utilization of HRV parameters are bio-maker for disease state in depression. Results are discussed within a theoretical framework to link arousal and ANS regulation in depression.
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Affiliation(s)
- Ralf Hartmann
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
| | - Frank M Schmidt
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
| | - Christian Sander
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
| | - Ulrich Hegerl
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
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Assessing mood symptoms through heartbeat dynamics: An HRV study on cardiosurgical patients. J Psychiatr Res 2017; 95:179-188. [PMID: 28865333 DOI: 10.1016/j.jpsychires.2017.08.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/20/2017] [Accepted: 08/25/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND Heart Rate Variability (HRV) is reduced both in depression and in coronary heart disease (CHD) suggesting common pathophysiological mechanisms for the two disorders. Within CHD, cardiac surgery patients (CSP) with postoperative depression are at greater risk of adverse cardiac events. Therefore, CSP would especially benefit from depression early diagnosis. Here we tested whether HRV-multi-feature analysis discriminates CSP with or without depression and provides an effective estimation of symptoms severity. METHODS Thirty-one patients admitted to cardiac rehabilitation after first-time cardiac surgery were recruited. Depressive symptoms were assessed with the Center for Epidemiologic Studies Depression Scale (CES-D). HRV features in time, frequency, and nonlinear domains were extracted from 5-min-ECG recordings at rest and used as predictors of "least absolute shrinkage and selection" (LASSO) operator regression model to estimate patients' CES-D score and to predict depressive state. RESULTS The model significantly predicted the CES-D score in all subjects (the total explained variance of CES-D score was 89.93%). Also it discriminated depressed and non-depressed CSP with 86.75% accuracy. Seven of the ten most informative metrics belonged to non-linear-domain. LIMITATIONS A higher number of patients evaluated also with a structured clinical interview would help to generalize the present findings. DISCUSSION To our knowledge this is the first study using a multi-feature approach to evaluate depression in CSP. The high informative power of HRV-nonlinear metrics suggests their possible pathophysiological role both in depression and in CHD. The high-accuracy of the algorithm at single-subject level opens to its translational use as screening tool in clinical practice.
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Wenzler S, Hagen M, Tarvainen MP, Hilke M, Ghirmai N, Huthmacher AC, Trettin M, van Dick R, Reif A, Oertel-Knöchel V. Intensified emotion perception in depression: Differences in physiological arousal and subjective perceptions. Psychiatry Res 2017; 253:303-310. [PMID: 28412613 DOI: 10.1016/j.psychres.2017.03.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 03/16/2017] [Accepted: 03/17/2017] [Indexed: 11/26/2022]
Abstract
People suffering from depression perceive themselves and their surroundings as more negative than healthy ones. An explanation might be that depressed individuals experience negative information as more stressful than non-depressed subjects and, consequently, respond in an amplified manner on a subjective and physiological level. To test this proposition, we presented 41 patients with recurrent depressive episodes and 42 controls with stimuli from the International Affective Picture System split into three valence categories while different parameters of physiological arousal (e.g., heart rate variability) and subjective perceptions of valence and arousal were assessed. Furthermore, we examined social skills and emotional competence. Results regarding physiological arousal revealed an elevated skin temperature and a more accentuated respiratory frequency in depressed subjects. Furthermore, depressed subjects rated the stimuli as more negative and arousing, which was associated with reduced social and emotional competence. Variation in antidepressant medication, menstrual cycle and other factors that have an impact on HRV are a potential bias. Our findings suggest an intensified perception of negative emotion in depressed individuals as compared to controls that manifests itself in an increased physiological arousal as well as on a subjective level. This intensified emotion perception is further associated with deficits in social and emotional competence.
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Affiliation(s)
- Sofia Wenzler
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany.
| | - Marleen Hagen
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Mika P Tarvainen
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland; Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland
| | - Marietheres Hilke
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Naddy Ghirmai
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Ann-Caitlin Huthmacher
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Marco Trettin
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Rolf van Dick
- Dept. of Social Psychology, Goethe University, Frankfurt/Main, Germany
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
| | - Viola Oertel-Knöchel
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe Univ., Frankfurt/Main, Germany
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Klusek J, LaFauci G, Adayev T, Brown WT, Tassone F, Roberts JE. Reduced vagal tone in women with the FMR1 premutation is associated with FMR1 mRNA but not depression or anxiety. J Neurodev Disord 2017; 9:16. [PMID: 28469730 PMCID: PMC5414146 DOI: 10.1186/s11689-017-9197-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 04/21/2017] [Indexed: 12/12/2022] Open
Abstract
Background Autonomic dysfunction is implicated in a range of psychological conditions, including depression and anxiety. The fragile X mental retardation-1 (FMR1) premutation is a common genetic mutation that affects ~1:150 women and is associated with psychological vulnerability. This study examined cardiac indicators of autonomic function among women with the FMR1 premutation and control women as potential biomarkers for psychological risk that may be linked to FMR1. Methods Baseline inter-beat interval and respiratory sinus arrhythmia (a measure of parasympathetic vagal tone) were measured in 35 women with the FMR1 premutation and 28 controls. The women completed anxiety and depression questionnaires. FMR1 genetic indices (i.e., CGG repeat, quantitative FMRP, FMR1 mRNA, activation ratio) were obtained for the premutation group. Results Respiratory sinus arrhythmia was reduced in the FMR1 premutation group relative to controls. While depression symptoms were associated with reduced respiratory sinus arrhythmia among control women, these variables were unrelated in the FMR1 premutation. Elevated FMR1 mRNA was associated with higher respiratory sinus arrhythmia. Conclusions Women with the FMR1 premutation demonstrated autonomic dysregulation characterized by reduced vagal tone. Unlike patterns observed in the general population and in study controls, vagal activity and depression symptoms were decoupled in women with the FMR1 premutation, suggesting independence between autonomic regulation and psychopathological symptoms that is atypical and potentially specific to the FMR1 premutation. The association between vagal tone and mRNA suggests that molecular variation associated with FMR1 plays a role in autonomic regulation.
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Affiliation(s)
- Jessica Klusek
- Department of Communication Sciences and Disorders, University of South Carolina, Keenan Building, Suite 300, Columbia, SC 29208 USA
| | - Giuseppe LaFauci
- Department of Developmental Biochemistry, New York State Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Tatyana Adayev
- Department of Developmental Biochemistry, New York State Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - W Ted Brown
- Department of Human Genetics, New York State Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Flora Tassone
- UC Davis MIND Institute, University of California Davis, 2825 50th Street, Sacramento, CA 95817 USA
| | - Jane E Roberts
- Department of Psychology, University of South Carolina, 1512 Pendleton Street, Columbia, SC 29208 USA
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Opposing roles of primate areas 25 and 32 and their putative rodent homologs in the regulation of negative emotion. Proc Natl Acad Sci U S A 2017; 114:E4075-E4084. [PMID: 28461477 DOI: 10.1073/pnas.1620115114] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Disorders of dysregulated negative emotion such as depression and anxiety also feature increased cardiovascular mortality and decreased heart-rate variability (HRV). These disorders are correlated with dysfunction within areas 25 and 32 of the ventromedial prefrontal cortex (vmPFC), but a causal relationship between dysregulation of these areas and such symptoms has not been demonstrated. Furthermore, cross-species translation is limited by inconsistent findings between rodent fear extinction and human neuroimaging studies of negative emotion. To reconcile these literatures, we applied an investigative approach to the brain-body interactions at the core of negative emotional dysregulation. We show that, in marmoset monkeys (a nonhuman primate that has far greater vmPFC homology to humans than rodents), areas 25 and 32 have causal yet opposing roles in regulating the cardiovascular and behavioral correlates of negative emotion. In novel Pavlovian fear conditioning and extinction paradigms, pharmacological inactivation of area 25 decreased the autonomic and behavioral correlates of negative emotion expectation, whereas inactivation of area 32 increased them via generalization. Area 25 inactivation also increased resting HRV. These findings are inconsistent with current theories of rodent/primate prefrontal functional similarity, and provide insight into the role of these brain regions in affective disorders. They demonstrate that area 32 hypoactivity causes behavioral generalization relevant to anxiety, and that area 25 is a causal node governing the emotional and cardiovascular symptomatology relevant to anxiety and depression.
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Headrick JP, Peart JN, Budiono BP, Shum DH, Neumann DL, Stapelberg NJ. The heartbreak of depression: ‘Psycho-cardiac’ coupling in myocardial infarction. J Mol Cell Cardiol 2017; 106:14-28. [DOI: 10.1016/j.yjmcc.2017.03.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/27/2017] [Accepted: 03/29/2017] [Indexed: 12/25/2022]
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Oikonomidis L, Santangelo AM, Shiba Y, Clarke FH, Robbins TW, Roberts AC. A dimensional approach to modeling symptoms of neuropsychiatric disorders in the marmoset monkey. Dev Neurobiol 2017; 77:328-353. [PMID: 27589556 PMCID: PMC5412688 DOI: 10.1002/dneu.22446] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 08/22/2016] [Accepted: 08/26/2016] [Indexed: 01/19/2023]
Abstract
Some patients suffering from the same neuropsychiatric disorder may have no overlapping symptoms whilst others may share symptoms common to other distinct disorders. Therefore, the Research Domain Criteria initiative recognises the need for better characterisation of the individual symptoms on which to focus symptom-based treatment strategies. Many of the disorders involve dysfunction within the prefrontal cortex (PFC) and so the marmoset, due to their highly developed PFC and small size, is an ideal species for studying the neurobiological basis of the behavioural dimensions that underlie these symptoms.Here we focus on a battery of tests that address dysfunction spanning the cognitive (cognitive inflexibility and working memory), negative valence (fear generalisation and negative bias) and positive valence (anhedonia) systems pertinent for understanding disorders such as ADHD, Schizophrenia, Anxiety, Depression and OCD. Parsing the separable prefrontal and striatal circuits and identifying the selective neurochemical modulation (serotonin vs dopamine) that underlie cognitive dysfunction have revealed counterparts in the clinical domain. Aspects of the negative valence system have been explored both at individual- (trait anxiety and genetic variation in serotonin transporter) and circuit-based levels enabling the understanding of generalisation processes, negative biases and differential responsiveness to SSRIs. Within the positive valence system, the combination of cardiovascular and behavioural measures provides a framework for understanding motivational, anticipatory and consummatory aspects of anhedonia and their neurobiological mechanisms. Together, the direct comparison of experimental findings in marmosets with clinical studies is proving an excellent translational model to address the behavioural dimensions and neurobiology of neuropsychiatric symptoms. © 2016 Wiley Periodicals, Inc. Develop Neurobiol 77: 328-353, 2017.
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Affiliation(s)
- Lydia Oikonomidis
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
| | - Andrea M Santangelo
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
| | - Yoshiro Shiba
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
| | - F Hannah Clarke
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
| | - Trevor W Robbins
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
- Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, United Kingdom
| | - Angela C Roberts
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge, CB2 3DY, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Street, CB2 3EB, United Kingdom
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Gentili C, Valenza G, Nardelli M, Lanatà A, Bertschy G, Weiner L, Mauri M, Scilingo EP, Pietrini P. Longitudinal monitoring of heartbeat dynamics predicts mood changes in bipolar patients: A pilot study. J Affect Disord 2017; 209:30-38. [PMID: 27870943 DOI: 10.1016/j.jad.2016.11.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 10/23/2016] [Accepted: 11/07/2016] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Recent research indicates that Heart Rate Variability (HRV) is affected in Bipolar Disorders (BD) patients. To determine whether such alterations are a mere expression of the current mood state or rather contain longitudinal information on BD course, we examined the potential influence of states adjacent in time upon HRV features measured in a target mood state. METHODS Longitudinal evaluation of HRV was obtained in eight BD patients by using a wearable monitoring system developed within the PSYCHE project. We extracted time-domain, frequency-domain and non-linear HRV-features and trained a Support Vector Machine (SVM) to classify HRV-features according to mood state. To evaluate the influence of adjacent mood states, we trained SVM with different HRV-feature sets: 1) belonging to each mood state considered alone; 2) belonging to each mood state and normalized using information from the preceding mood state; 3) belonging to each mood state and normalized using information from the preceding and subsequent mood states; 4) belonging to each mood state and normalized using information from two randomly chosen states. RESULTS SVM classification accuracy within a target state was significantly greater when HRV-features from the previous and subsequent mood states were considered. CONCLUSIONS Although preliminary and in need of replications our results suggest for the first time that psychophysiological states in BD contain information related to the subsequent ones. Such characteristic may be used to improve clinical management and to develop algorithms to predict clinical course and mood switches in individual patients.
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Affiliation(s)
- Claudio Gentili
- Department of General Psychology, University of Padua, Via Venezia 8, 35139 Padua, Italy.
| | - Gaetano Valenza
- Department of Information Engineering & Research Centre "E. Piaggio", School of Engineering, University of Pisa, Italy
| | - Mimma Nardelli
- Department of Information Engineering & Research Centre "E. Piaggio", School of Engineering, University of Pisa, Italy
| | - Antonio Lanatà
- Department of Information Engineering & Research Centre "E. Piaggio", School of Engineering, University of Pisa, Italy
| | - Gilles Bertschy
- INSERM U1114, Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, Pôle de Psychiatrie et Santé Mentale des Hôpitaux Universitaires de Strasbourg, France
| | - Luisa Weiner
- INSERM U1114, Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, Pôle de Psychiatrie et Santé Mentale des Hôpitaux Universitaires de Strasbourg, France
| | - Mauro Mauri
- Section of Psychiatry, Department of Clinical and Experimental Medicine, University of Pisa, Italy
| | - Enzo Pasquale Scilingo
- Department of Information Engineering & Research Centre "E. Piaggio", School of Engineering, University of Pisa, Italy
| | - Pietro Pietrini
- IMT School for Advanced Studies, Piazza San Ponziano, 6 - 55100 Lucca, Italy.
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Bassett D, Bear N, Nutt D, Hood S, Bassett S, Hans D. Reduced heart rate variability in remitted bipolar disorder and recurrent depression. Aust N Z J Psychiatry 2016; 50:793-804. [PMID: 27307288 DOI: 10.1177/0004867416652734] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE There is evidence that mood disorders are associated with impaired parasympathetic nervous system function and consequently increased morbidity and mortality. Our study addresses whether this impairment persists into remission in unipolar and bipolar disorders. METHODS Heart Rate Variability was measured in groups of subjects during remission, with Bipolar Affective Disorder I (n = 29), recurrent Major Depressive Disorder (n = 41) and a healthy control group (n = 38), during the bedtime period. RESULTS Heart Rate Variability was found to be lower in the bipolar and depression groups, compared with control subjects, using the Root Mean Square of Successive Distances variable, and lower in the depression group using the Standard Deviation of Normal to Normal variable and the Standard Deviation, Poincare Plot variable. CONCLUSION Autonomic function during bedtime was impaired in subjects with Bipolar I and recurrent Major Depressive Disorder, despite clinical remission. This has significant implications for the morbidity and mortality of patients with major mood disorders.
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Affiliation(s)
- Darryl Bassett
- University of Notre Dame, Fremantle, WA, Australia The University of Western Australia, Nedlands, WA, Australia Hollywood Specialist Centre, Nedlands, WA, Australia
| | | | | | - Sean Hood
- School of Psychiatry and Clinical Neurosciences, The University of Western Australia, Nedlands, WA, Australia
| | | | - Davinder Hans
- Sir Charles Gairdner Hospital, Nedlands, WA, Australia
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Jandackova VK, Britton A, Malik M, Steptoe A. Heart rate variability and depressive symptoms: a cross-lagged analysis over a 10-year period in the Whitehall II study. Psychol Med 2016; 46:2121-31. [PMID: 27181276 DOI: 10.1017/s003329171600060x] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND People with depression tend to have lower heart rate variability (HRV), but the temporal sequence is poorly understood. In a sample of the general population, we prospectively examined whether HRV measures predict subsequent depressive symptoms or whether depressive symptoms predict subsequent levels of HRV. METHOD Data from the fifth (1997-1999) and ninth (2007-2009) phases of the UK Whitehall II longitudinal population-based cohort study were analysed with an average follow-up of 10.5 years. The sample size for the prospective analysis depended on the analysis and ranged from 2334 (644 women) to 2276 (602 women). HRV measures during 5 min of supine rest were obtained. Depressive symptoms were evaluated by four cognitive symptoms of depression from the General Health Questionnaire. RESULTS At follow-up assessment, depressive symptoms were inversely associated with HRV measures independently of antidepressant medication use in men but not in women. Prospectively, lower baseline heart rate and higher HRV measures were associated with a lower likelihood of incident depressive symptoms at follow-up in men without depressive symptoms at baseline. Similar but statistically insignificant associations were found in women. Adjustments for known confounders including sociodemographic and lifestyle factors, cardiometabolic conditions or medication did not change the predictive effect of HRV on incident depressive symptoms at follow-up. Depressive symptoms at baseline were not associated with heart rate or HRV at follow-up in either sex. CONCLUSIONS These findings are consistent with an aetiological role of the autonomic nervous system in depression onset.
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Affiliation(s)
- V K Jandackova
- Department of Epidemiology and Public Health,University of Ostrava,Ostrava,Czech Republic
| | - A Britton
- Research Department of Epidemiology and Public Health,University College London,London,UK
| | - M Malik
- National Heart and Lung Institute, Imperial College,London,UK
| | - A Steptoe
- Research Department of Epidemiology and Public Health,University College London,London,UK
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Abstract
OBJECTIVE Autonomic nervous system dysfunction has the potential to adversely impact general medical health and is known to exist in a number of psychiatric disorders. It reflects alterations in the function of several regions of the central nervous system. Measurement of heart rate variability provides a non-invasive tool for studying autonomic function. While the literature relating to the technical process of heart rate variability and aspects of depressive disorders has been reviewed in the past, research relating to both depressive and bipolar disorders has not been comprehensively reviewed. This paper critically considers the published research in heart rate variability in both depressive and bipolar affective disorders. METHOD A literature search using Medline, EMBASE, PsycINFO, ProQuest Psychology and references included in published literature was conducted using the following keywords: 'heart rate variability and autonomic, combined with depression, depressive disorder, bipolar, mania and sleep'. RESULTS The evidence demonstrates that, using heart rate variability measures, significant distortions of autonomic function are evident in both depressive and bipolar disorders and from most of their pharmacological treatments. CONCLUSION The autonomic dysfunction evident in both unipolar and bipolar affective disorders, and many psychotropic medications, has significant implications for our understanding of the neurophysiology of these disorders, their treatment and associated general health.
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Affiliation(s)
- Darryl Bassett
- School of Medicine, University of Notre Dame, Notre Dame, Fremantle, Western Australia; School of Psychiatry and Clinical Neurosciences, University of Western Australia, Nedlands, WA, Australia
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50
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Lin Y, Lin C, Sun IW, Hsu CC, Fang CK, Lo MT, Huang HC, Liu SI. Resting respiratory sinus arrhythmia is related to longer hospitalization in mood-disordered repetitive suicide attempters. World J Biol Psychiatry 2016; 16:323-33. [PMID: 25839729 DOI: 10.3109/15622975.2015.1017603] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Our aims were (1) to measure respiratory sinus arrhythmia (RSA), a high-frequency spectrum component of heart rate variability (HRV) in mood-disordered suicide attempters and (2) to investigate the relationship of RSA to symptoms and length of hospitalization. METHODS Forty-nine female repetitive-suicide attempters with depressive disorder or bipolar disorder were recruited in a general hospital setting. Manic or psychotic patients were excluded. Resting RSA values were calculated from electrocardiogram data, and severity of clinical presentation shortly after admission and length of hospital stay were assessed. RESULTS RSA was positively associated with a higher Beck Scale for Suicidal Ideation score (r = 0.33 P = 0.019). Stepwise multiple regression analysis showed a significant correlation between RSA and hospitalization length after adjusting other variables (beta coefficient = 3.00; P = 0.030). Patients with a higher resting RSA had more prolonged hospitalizations (hospitalization beyond 30 days) after controlling for other variables (odds ratio = 5.08, P = 0.017). CONCLUSIONS Interaction between the environment and the autonomic nervous system is complex. Further and more comprehensive research is needed.
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Affiliation(s)
- Ying Lin
- Department of Psychiatry, Mackay Memorial Hospital , Taipei , Taiwan
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