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Xu SD, Hao LL, Liu FF, Xu CZ. Association between obstructive sleep apnea and arrhythmia and heart rate variability among hypertensive patients. BMC Cardiovasc Disord 2024; 24:338. [PMID: 38965474 PMCID: PMC11223273 DOI: 10.1186/s12872-024-04008-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 06/24/2024] [Indexed: 07/06/2024] Open
Abstract
BACKGROUND The relationship between obstructive sleep apnea (OSA) and the occurrence of arrhythmias and heart rate variability (HRV) in hypertensive patients is not elucidated. Our study investigates the association between OSA, arrhythmias, and HRV in hypertensive patients. METHODS We conducted a cross-sectional analysis involving hypertensive patients divided based on their apnea-hypopnea index (AHI) into two groups: the AHI ≤ 15 and the AHI > 15. All participants underwent polysomnography (PSG), 24-hour dynamic electrocardiography (DCG), cardiac Doppler ultrasound, and other relevant evaluations. RESULTS The AHI > 15 group showed a significantly higher prevalence of frequent atrial premature beats and atrial tachycardia (P = 0.030 and P = 0.035, respectively) than the AHI ≤ 15 group. Time-domain analysis indicated that the standard deviation of normal-to-normal R-R intervals (SDNN) and the standard deviation of every 5-minute normal-to-normal R-R intervals (SDANN) were significantly higher in the AHI > 15 group (P = 0.020 and P = 0.033, respectively). Frequency domain analysis revealed that the low-frequency (LF), high-frequency (HF) components, and the LF/HF ratio were also significantly elevated in the AHI > 15 group (P < 0.001, P = 0.031, and P = 0.028, respectively). Furthermore, left atrial diameter (LAD) was significantly larger in the AHI > 15 group (P < 0.001). Both univariate and multivariable linear regression analyses confirmed a significant association between PSG-derived independent variables and the dependent HRV parameters SDNN, LF, and LF/HF ratio (F = 8.929, P < 0.001; F = 14.832, P < 0.001; F = 5.917, P = 0.016, respectively). CONCLUSIONS Hypertensive patients with AHI > 15 are at an increased risk for atrial arrhythmias and left atrial dilation, with HRV significantly correlating with OSA severity.
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MESH Headings
- Humans
- Sleep Apnea, Obstructive/physiopathology
- Sleep Apnea, Obstructive/diagnosis
- Sleep Apnea, Obstructive/epidemiology
- Sleep Apnea, Obstructive/complications
- Heart Rate
- Male
- Female
- Cross-Sectional Studies
- Middle Aged
- Hypertension/physiopathology
- Hypertension/diagnosis
- Hypertension/epidemiology
- Arrhythmias, Cardiac/physiopathology
- Arrhythmias, Cardiac/diagnosis
- Arrhythmias, Cardiac/epidemiology
- Arrhythmias, Cardiac/etiology
- Polysomnography
- Aged
- Risk Factors
- Prevalence
- Electrocardiography, Ambulatory
- Adult
- Time Factors
- Echocardiography, Doppler
- Atrial Premature Complexes/physiopathology
- Atrial Premature Complexes/diagnosis
- Atrial Premature Complexes/epidemiology
- Risk Assessment
- Severity of Illness Index
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Affiliation(s)
- Shao-Dong Xu
- Department of Cardiology, The Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, 230001, China.
| | - Ling-Li Hao
- Department of Sleep Monitoring Center, The Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, 230001, China
| | - Fei-Fei Liu
- Department of Sleep Monitoring Center, The Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, 230001, China
| | - Chuan-Zhi Xu
- Department of Electrocardiogram, The Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, 230001, China
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Dudoignon B, Maruani A, Delorme R, Patout M, Fefeu M, Ellul P, Bokov P, Delclaux C. Autism spectrum disorder in young patients with congenital central hypoventilation syndrome: role of the autonomic nervous system dysfunction. Orphanet J Rare Dis 2024; 19:249. [PMID: 38961480 PMCID: PMC11220943 DOI: 10.1186/s13023-024-03257-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 06/16/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND Congenital central hypoventilation syndrome (CCHS) is a rare condition characterized by alveolar hypoventilation and autonomic nervous system (ANS) dysfunction requiring long-term ventilation. CCHS could constitute a risk factor of autism spectrum disorder (ASD) due to birth injury related to respiratory failure, which remains to be determined. ANS dysfunction has also been described in ASD and there are indications for altered contribution of ANS-central nervous system interaction in processing of social information; thus, CCHS could be a risk factor for ASD based on pathophysiological background also. Our study aimed to determine the prevalence of ASD among CCHS patients, identify risk factors, and explore the relationship between the ANS, evaluated by heart rate variability indices, and adaptative functioning. RESULTS Our retrospective study, based on the analysis of records of a French national center of patients with CCHS under 20 years of age, determined that the prevalence of ASD (diagnosed by a psychiatrist, following the criteria of DSM-4 or DSM-5) was 6/69 patients, 8.7% (95% confidence interval: 3.3-18.0%). In a case (CCHS with ASD, n = 6) - control (CCHS without ASD, n = 12) study with matching on sex, longer neonatal hospitalization stay and glycemic dysfunction were associated with ASD. Adaptative functioning was assessed using Vineland Adaptative behavioral scales (VABS) and heart rate variability indices (including daytime RMSSD as an index of parasympathetic modulation) were obtained from ECG Holter performed the same day. In 19 young subjects with CCHS who had both ECG Holter and VABS, significant positive correlations were observed between RMSSD and three of four sub-domains of the VABS (communication: R = 0.50, p = 0.028; daily living skills: R = 0.60, p = 0.006; socialization: R = 0.52, p = 0.021). CONCLUSION Our study suggests a high prevalence of ASD in patients with CCHS. Glycemic dysfunction and longer initial hospitalization stays were associated with ASD development. A defect in parasympathetic modulation was associated with worse adaptative functioning.
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Affiliation(s)
- Benjamin Dudoignon
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, CRMR Maladies respiratoires rares - Hypoventilations alvéolaires rares - Syndrome d'Ondine, INSERM NeuroDiderot, Paris, F-75019, France.
| | - Anna Maruani
- Service de psychiatrie de l'enfant et l'adolescent, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, Paris, 75 019, France
| | - Richard Delorme
- Service de psychiatrie de l'enfant et l'adolescent, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, Paris, 75 019, France
| | - Maxime Patout
- Service des Pathologies du Sommeil (Département R3S) - CRMR Hypoventilations centrales congénitales, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Sorbonne Université, AP-HP, Hôpital de la Pitié-Salpêtrière, INSERM, Paris, F-75005, France
| | - Mylene Fefeu
- Service de psychiatrie de l'enfant et l'adolescent, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, Paris, 75 019, France
| | - Pierre Ellul
- Service de psychiatrie de l'enfant et l'adolescent, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, Paris, 75 019, France
| | - Plamen Bokov
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, CRMR Maladies respiratoires rares - Hypoventilations alvéolaires rares - Syndrome d'Ondine, INSERM NeuroDiderot, Paris, F-75019, France
| | - Christophe Delclaux
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris-Cité, AP-HP, Hôpital Robert Debré, CRMR Maladies respiratoires rares - Hypoventilations alvéolaires rares - Syndrome d'Ondine, INSERM NeuroDiderot, Paris, F-75019, France
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Colas C, Hodaj E, Pichot V, Roche F, Cracowski C. Impact of spa therapy on physical activity, sleep and heart rate variability among individuals with fibromyalgia: Results of an ancillary study. Complement Ther Clin Pract 2024; 57:101879. [PMID: 38968692 DOI: 10.1016/j.ctcp.2024.101879] [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: 03/27/2024] [Revised: 06/12/2024] [Accepted: 06/27/2024] [Indexed: 07/07/2024]
Abstract
Spa therapy is recommended to manage symptoms of fibromyalgia, but the physiological mechanisms underlying this improvement have been poorly studied. In an original study, we explored the effect of a 3-week rheumatology spa treatment for fibromyalgia patients on quality of life and with a symptom severity questionnaire. We present here the results of an ancillary study which explored three secondary criteria using objective measurement methods: diurnal actimetry for physical activity analysis, nocturnal actimetry for sleep analysis and heart rate variability. Eighty-three fibromyalgia patients were randomized to participate in an immediate 3-week rheumatological spa therapy, either a start within 6 weeks after inclusion (interventional group, n = 39) or a delayed, start 6 months after inclusion (control group, n = 44). Patients were asked to wear an actimeter (n = 56) to assess diurnal physical activity and sleep quality and a 24-h Holter ECG (n = 60) to assess nocturnal heart rate variability at baseline, 3 months and 6 months after inclusion. Time spent in sedentary and light physical activity was reduced to ∼30 min at 6 months in the interventional group (P = 0.027). Sleep quality and heart rate variability were not improved. Spa therapy made it possible to reduce sedentary activities in patients' daily life for up to 6 months afterwards, concomitant with the improvement in quality of life, pain and fatigue as highlighted in the original Thermalgi study.
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Affiliation(s)
- Claire Colas
- INSERM, U1059, SAINBIOSE, DVH, Jean Monnet University, Saint-Étienne, France; Department of Clinical and Exercise Physiology, University Hospital Center, Saint-Étienne, France
| | - Enkelejda Hodaj
- Grenoble Alpes University Hospital, Clinical Research Center, INSERM CIC1406, Grenoble, France
| | - Vincent Pichot
- INSERM, U1059, SAINBIOSE, DVH, Jean Monnet University, Saint-Étienne, France; Department of Clinical and Exercise Physiology, University Hospital Center, Saint-Étienne, France
| | - Frédéric Roche
- INSERM, U1059, SAINBIOSE, DVH, Jean Monnet University, Saint-Étienne, France; Department of Clinical and Exercise Physiology, University Hospital Center, Saint-Étienne, France
| | - Claire Cracowski
- Grenoble Alpes University Hospital, Clinical Research Center, INSERM CIC1406, Grenoble, France.
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Sandsten KE, Jensen MT, Saebye D, Null K, Northoff G, Parnas J. Altered cardiac autonomic functioning associates with self-disorders in schizophrenia. Schizophr Res 2024; 270:57-62. [PMID: 38865806 DOI: 10.1016/j.schres.2024.06.003] [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: 02/11/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/14/2024]
Abstract
Elevated resting heart rate (RHR) and reduced heart rate variability (HRV) are signs of autonomic nervous system dysfunction identified in schizophrenia (SCZ). This dysfunction has been found to manifest prior to the onset of the clinical diagnosis. Yet whether such autonomic dysfunction is associated with vulnerability to schizophrenia remains unknown. This case-control study included recent onset SCZ patients (n = 35) and healthy controls (HC) (n = 33). Patients were scored for self-disorders (SD's) using the EASE manual and all participants underwent a 5-minute resting state electrocardiogram (ECG) recording. Patients were included from outpatient clinics in Denmark. The main measures comprised EASE total scores (SDs), RHR (beats per minute) and three standard HRV measures usually included in testing autonomic nervous system dysfunction: root mean squared of successive differences (RMSSD), standard deviation of normal-to-normal interval (SDNN) and high-frequency/ low frequency ratio (HF/LF). Pearson correlations and linear regression models adjusted for age, sex and medication were used in the SCZ group. The main finding was a positive moderate association between SDs and RHR (r = 0.463; p = 0.005) and a negative association between SDs and HRV (RMSSD) (r = -0.440; p = 0.008) in the SCZ group. Linear regression models found SDs to explain 22 % of the variance of RHR and 19 % in RMSSD. SDs correlated with LF/HF (r = 0.434; p = 0.009), but non-significantly with SDNN. The study provides evidence of an intriguing link between SDs as a susceptibility trait for schizophrenia spectrum disorders and altered cardiac autonomic functioning.
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Affiliation(s)
| | - Magnus T Jensen
- William Harvey Research Institute, NIHR Bart's Biomedical Research Centre, Queen Mary University of London, United Kingdom; Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Denmark; Steno Diabetes Center Copenhagen, Denmark
| | - Ditte Saebye
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Capital Region, Copenhagen, Denmark
| | - Kaylee Null
- Department of Psychology, University of California Los Angeles, United States of America
| | - Georg Northoff
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, Ont., Canada
| | - Josef Parnas
- Center for Subjectivity Research, University of Copenhagen, Denmark
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Bokov P, Koehl B, Benzouid C, Verlhac S, Missud F, Benkerrou M, Delclaux C. No Increase in Masked Hypertension Prevalence in Children With Sickle Cell Disease in France. Am J Hypertens 2024; 37:358-365. [PMID: 38323455 DOI: 10.1093/ajh/hpae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/11/2024] [Accepted: 01/26/2024] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND An important prevalence (32%-45%) of masked hypertension has been reported in children with sickle cell disease (SCD). Stroke screening is well established using transcranial Doppler (TCD) ultrasound. The objectives of our proof-of-concept study in childhood SCD were to evaluate the prevalence of hypertension and its relationships with cerebral vasculopathy (TCD velocity) and to further evaluate in a subgroup of children the correlations of cardiovascular autonomic nervous system indices with TCD velocity. METHODS Ambulatory blood pressure measurement (ABPM) and TCD velocity were obtained in children with SCD and in a restricted sample, cardiac sympathovagal balance using heart rate variability analyses, baroreflex sensitivity, and pulse wave velocity were measured. RESULTS In 41 children with SCD (median age 14.0 years, 19 girls, SS/Sβ + thalassemia/SC: 33/2/6), ABPM results showed masked hypertension in 2/41 (5%, 95% confidence interval, 0-11) children, consistent with the prevalence in the general pediatric population, elevated blood pressure (BP) in 4/41 (10%) children, and a lack of a normal nocturnal dip in 19/41 children (46%). Children with increased TCD velocity had lower nocturnal dipping of systolic BP. In the 10 participants with extensive cardiovascular assessment, increased TCD velocity was associated with parasympathetic withdrawal and baroreflex failure. Exaggerated orthostatic pressor response or orthostatic hypertension was observed in 7/10 children that was linked to parasympathetic withdrawal. CONCLUSIONS Autonomic nervous system dysfunction, namely loss of parasympathetic modulation, of SCD contributes to increase TCD velocity but is not associated with an increased prevalence of masked hypertension. CLINICAL TRIALS REGISTRATION NCT04911049.
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Affiliation(s)
- Plamen Bokov
- Paris University, AP-HP, Robert Debré Hospital, Department of Physiology, INSERM NeuroDiderot, Paris, France
| | - Berengere Koehl
- Department of Hematology, Paris University, AP-HP, Robert Debré Hospital, Sickle Cell Disease Center, Hematology Unit, Paris, France
- UMR_S1134, BIGR, INSERM, Institut National de la Transfusion Sanguine, Laboratoire d'Excellence GR-Ex, Paris, France
| | - Chérine Benzouid
- Department of Physiology, AP-HP, Robert Debré Hospital, Paris, France
| | - Suzanne Verlhac
- Department of Pediatric Imaging, AP-HP, Robert Debré Hospital, Paris, France
| | - Florence Missud
- Sickle Cell Disease Center, Hematology Unit, Robert Debré Hospital, AP-HP, Paris, France
- INSERM UMR 1123, ECEVE, Paris, France
| | - Malika Benkerrou
- Sickle Cell Disease Center, Hematology Unit, Robert Debré Hospital, AP-HP, Paris, France
- INSERM UMR 1123, ECEVE, Paris, France
| | - Christophe Delclaux
- Paris University, AP-HP, Robert Debré Hospital, Department of Physiology, INSERM NeuroDiderot, Paris, France
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6
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Bokov P, Koehl B, Dudoignon B, Benkerrou M, Delclaux C. Case-control study of heart rate variability and sleep apnea in childhood sickle cell disease. J Sleep Res 2024:e14209. [PMID: 38590226 DOI: 10.1111/jsr.14209] [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: 09/12/2023] [Revised: 03/07/2024] [Accepted: 03/28/2024] [Indexed: 04/10/2024]
Abstract
Obstructive sleep apnea (OSA) is common in sickle cell disease (SCD) despite the absence of overweight, suggesting a specific pathophysiology. We previously showed that otherwise healthy children with increased pharyngeal compliance, a main endotype of OSA, exhibited decreased sympathetic modulation. Our objective was to assess whether modifications of heart rate variability (HRV) and compliance are associated in SCD. Cases (children with SCD, African or Caribbean ethnicity) and controls (otherwise healthy children, same ethnicity), aged 4-18 years, were selected from our database of children referred for OSA and matched for sex, age, and obstructive apnea-hypopnoea index (OAHI) score. The children underwent polysomnography and acoustic pharyngometry (to compute compliance). HRV analyses were performed from 5 min ECG recordings in wakeful, NREM, and REM sleep states and from the whole night. Twenty-one pairs were analysed (median age 10.5 years, 24 girls). Children with SCD had lower BMI z-scores and more tonsil hypertrophy than control children. Children with SCD and OSA (OAHI ≥2/hour) were characterised by lower compliance than children with SCD without OSA. An inverse relationship between compliance and SD2 (HRV from whole night, inversely related to sympathetic modulation) was evidenced (negative relationship in SCD: R = -0.63, p = 0.002 vs. positive relationship in controls R = 0.59, p = 0.006). In conclusion, while the decrease in sympathetic modulation in control children may contribute to increasing pharyngeal compliance, its decrease seems protective in children with sickle cell disease, which underlines the specificity of OSAS pathophysiology in SCD that could be due to sickle cell disease related smooth muscle dystonia.
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Affiliation(s)
- Plamen Bokov
- AP-HP, Robert Debré Hospital, Department of Physiology, INSERM NeuroDiderot, Paris University, Paris, France
| | - Bérengère Koehl
- AP-HP, Robert Debré Hospital, Sickle Cell Disease Center, Hematology Unit, Paris University, Paris, France
- UMR_S1134, BIGR, INSERM, Institut National de la Transfusion Sanguine, Laboratoire d'Excellence GR-Ex, Paris, France
| | - Benjamin Dudoignon
- AP-HP, Robert Debré Hospital, Department of Physiology, INSERM NeuroDiderot, Paris University, Paris, France
| | - Malika Benkerrou
- Sickle Cell Disease Center, Hematology Unit, Robert Debré Hospital, Paris, France
- INSERM UMR 1123, ECEVE, Paris, France
| | - Christophe Delclaux
- AP-HP, Robert Debré Hospital, Department of Physiology, INSERM NeuroDiderot, Paris University, Paris, France
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Heinisch JS, Kirchhoff J, Busch P, Wendt J, von Stryk O, David K. Physiological data for affective computing in HRI with anthropomorphic service robots: the AFFECT-HRI data set. Sci Data 2024; 11:333. [PMID: 38575624 PMCID: PMC10995145 DOI: 10.1038/s41597-024-03128-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 03/05/2024] [Indexed: 04/06/2024] Open
Abstract
In human-human and human-robot interaction, the counterpart influences the human's affective state. Contrary to humans, robots inherently cannot respond empathically, meaning non-beneficial affective reactions cannot be mitigated. Thus, to create a responsible and empathetic human-robot interaction (HRI), involving anthropomorphic service robots, the effect of robot behavior on human affect in HRI must be understood. To contribute to this understanding, we provide the new comprehensive data set AFFECT-HRI, including, for the first time, physiological data labeled with human affect (i.e., emotions and mood) gathered from a conducted HRI study. Within the study, 146 participants interacted with an anthropomorphic service robot in a realistic and complex retail scenario. The participants' questionnaire ratings regarding affect, demographics, and socio-technical ratings are provided in the data set. Five different conditions (i.e., neutral, transparency, liability, moral, and immoral) were considered during the study, eliciting different affective reactions and allowing interdisciplinary investigations (e.g., computer science, law, and psychology). Each condition includes three scenes: a consultation regarding products, a request for sensitive personal information, and a handover.
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Affiliation(s)
- Judith S Heinisch
- University of Kassel, Chair for Communication Technology, Department of Electrical Engineering and Computer Science, WilhelmsöherAllee 73, 34121, Kassel, Germany.
| | - Jérôme Kirchhoff
- Technical University of Darmstadt, Chair for Simulation, Systems Opimization and Robotics, Department of Computer Science, Hochschulstrasse 10, 64289, Darmstadt, Germany
| | - Philip Busch
- Technical University of Darmstadt, Chair for Civil and Company Law, Department of Law and Economics, Hochschulstrasse 1, 64289, Darmstadt, Germany
| | - Janine Wendt
- Technical University of Darmstadt, Chair for Civil and Company Law, Department of Law and Economics, Hochschulstrasse 1, 64289, Darmstadt, Germany
| | - Oskar von Stryk
- Technical University of Darmstadt, Chair for Simulation, Systems Opimization and Robotics, Department of Computer Science, Hochschulstrasse 10, 64289, Darmstadt, Germany
| | - Klaus David
- University of Kassel, Chair for Communication Technology, Department of Electrical Engineering and Computer Science, WilhelmsöherAllee 73, 34121, Kassel, Germany
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Ricordeau F, Chouchou F, Pichot V, Roche F, Petitjean T, Gormand F, Bastuji H, Charbonnier E, Le Cam P, Stauffer E, Rheims S, Peter-Derex L. Impaired post-sleep apnea autonomic arousals in patients with drug-resistant epilepsy. Clin Neurophysiol 2024; 160:1-11. [PMID: 38367308 DOI: 10.1016/j.clinph.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 12/20/2023] [Accepted: 02/04/2024] [Indexed: 02/19/2024]
Abstract
OBJECTIVE Sudden and unexpected deaths in epilepsy (SUDEP) pathophysiology may involve an interaction between respiratory dysfunction and sleep/wake state regulation. We investigated whether patients with epilepsy exhibit impaired sleep apnea-related arousals. METHODS Patients with drug-resistant (N = 20) or drug-sensitive (N = 20) epilepsy and obstructive sleep apnea, as well as patients with sleep apnea but without epilepsy (controls, N = 20) were included. We explored (1) the respiratory arousal threshold based on nadir oxygen saturation, apnea-hypopnea index, and fraction of hypopnea among respiratory events; (2) the cardiac autonomic response to apnea/hypopnea quantified as percentages of changes from the baseline in RR intervals (RRI), high (HF) and low (LF) frequency powers, and LF/HF. RESULTS The respiratory arousal threshold did not differ between groups. At arousal onset, RRI decreased (-9.42%) and LF power (179%) and LF/HF ratio (190%) increased. This was followed by an increase in HF power (118%), p < 0.05. The RRI decrease was lower in drug-resistant (-7.40%) than in drug-sensitive patients (-9.94%) and controls (-10.91%), p < 0.05. LF and HF power increases were higher in drug-resistant (188%/126%) than in drug-sensitive patients (172%/126%) and controls (177%/115%), p < 0.05. CONCLUSIONS Cardiac reactivity following sleep apnea is impaired in drug-resistant epilepsy. SIGNIFICANCE This autonomic dysfunction might contribute to SUDEP pathophysiology.
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Affiliation(s)
- François Ricordeau
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France; Department of Functional Neurology and Epileptology, Hospices Civils de Lyon, Lyon, France
| | - Florian Chouchou
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, Le Tampon, France
| | - Vincent Pichot
- SAINBIOSE, INSERM U1059, Saint-Etienne Jean-Monnet University, Mines Saint-Etienne, France; Clinical Physiology and Exercise, Visas Center, Saint Etienne University Hospital, France
| | - Frédéric Roche
- SAINBIOSE, INSERM U1059, Saint-Etienne Jean-Monnet University, Mines Saint-Etienne, France; Clinical Physiology and Exercise, Visas Center, Saint Etienne University Hospital, France
| | - Thierry Petitjean
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France
| | - Frédéric Gormand
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France
| | - Hélène Bastuji
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France; Lyon Neuroscience Research Center, CNRS UMR 5292 / INSERM U1028 and Lyon 1 University, Lyon, France
| | - Eléna Charbonnier
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France
| | - Pierre Le Cam
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France
| | - Emeric Stauffer
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France; Inter-university Laboratoryof Human MovementBiology (LIBM) EA7424, Team « Vascular Biology and Red Blood Cell », Lyon 1 University, Lyon, France; Respiratory Functional Investigation & Physical Activity Department, Hospices Civils de Lyon, Lyon, France
| | - Sylvain Rheims
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon, Lyon, France; Lyon Neuroscience Research Center, CNRS UMR 5292 / INSERM U1028 and Lyon 1 University, Lyon, France; Lyon 1 University, Lyon, France
| | - Laure Peter-Derex
- Centre for Sleep Medicine and Respiratory Diseases, Hospices Civils de Lyon, Lyon, France; Lyon Neuroscience Research Center, CNRS UMR 5292 / INSERM U1028 and Lyon 1 University, Lyon, France; Lyon 1 University, Lyon, France.
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Cho S, Lee SH, Lee HJ, Chu MK, Kim WJ, Heo K, Kim KM. Changes in heart rate variability over time from symptom onset of transient global amnesia. Sci Rep 2024; 14:6944. [PMID: 38521821 PMCID: PMC10960858 DOI: 10.1038/s41598-024-57546-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 03/19/2024] [Indexed: 03/25/2024] Open
Abstract
Transient global amnesia (TGA) often involves precipitating events associated with changes in autonomic nervous system (ANS), and heart rate variability (HRV) reflects the ANS state. This study aimed to investigate HRV changes after TGA. A retrospective analysis of HRV included patients diagnosed with TGA between January 2015 and May 2020. The time and frequency domains of HRV were compared among three groups: early (< 1 week after TGA, n = 19), late (1-4 weeks after TGA, n = 38), and healthy control (HC, n = 19). The Pearson's correlation between time and time-domain HRV was also examined. The standard deviation of NN intervals (SDNN) (early, 47.2; late, 35.5; HC, 41.5; p = 0.033) and root mean square of successive RR interval differences (RMSSD) (early, 38.5; late, 21.3; HC, 31.0; p = 0.006) differed significantly among the three groups. Post-hoc analysis showed statistically significant differences only in the early and late groups in both SDNN (p = 0.032) and RMSSD (p = 0.006) values. However, the frequency domain with total power, low-frequency and high-frequency powers, and low-frequency/high-frequency ratio did not differ. SDNN (Pearson correlation coefficient =- 0.396, p = 0.002) and RMSSD (Pearson correlation coefficient =- 0.406, p = 0.002) were negatively correlated with time after TGA. Changes in HRV occurred over time after the onset of TGA, with the pattern showing an increase in the first week and then a decrease within 4 weeks.
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Affiliation(s)
- Soomi Cho
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Sue Hyun Lee
- Department of Neurology, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea
| | - Hye Jeong Lee
- Department of Neurology, Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Republic of Korea
| | - Min Kyung Chu
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Won-Joo Kim
- Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyoung Heo
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Kyung Min Kim
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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10
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Lin Z, Zheng J, Wang Y, Su Z, Zhu R, Liu R, Wei Y, Zhang X, Wang F. Prediction of the efficacy of group cognitive behavioral therapy using heart rate variability based smart wearable devices: a randomized controlled study. BMC Psychiatry 2024; 24:187. [PMID: 38448895 PMCID: PMC10916138 DOI: 10.1186/s12888-024-05638-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/26/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Depression and anxiety are common and disabling mental health problems in children and young adults. Group cognitive behavioral therapy (GCBT) is considered that an efficient and effective treatment for these significant public health concerns, but not all participants respond equally well. The aim of this study was to examine the predictive ability of heart rate variability (HRV), based on sensor data from consumer-grade wearable devices to detect GCBT effectiveness in early intervention. METHODS In a study of 33 college students with depression and anxiety, participants were randomly assigned to either GCBT group or a wait-list control (WLC) group. They wore smart wearable devices to measure their physiological activities and signals in daily life. The HRV parameters were calculated and compared between the groups. The study also assessed correlations between participants' symptoms, HRV, and GCBT outcomes. RESULTS The study showed that participants in GCBT had significant improvement in depression and anxiety symptoms after four weeks. Higher HRV was associated with greater improvement in depressive and anxious symptoms following GCBT. Additionally, HRV played a noteworthy role in determining how effective GCBT was in improve anxiety(P = 0.002) and depression(P = 0.020), and its predictive power remained significant even when considering other factors. CONCLUSION HRV may be a useful predictor of GCBT treatment efficacy. Identifying predictors of treatment response can help personalize treatment and improve outcomes for individuals with depression and anxiety. TRIAL REGISTRATION The trial has been retrospectively registered on [22/06/2023] with the registration number [NCT05913349] in the ClinicalTrials.gov. Variations in heart rate variability (HRV) have been associated with depression and anxiety, but the relationship of baseline HRV to treatment outcome in depression and anxiety is unclear. This study predicted GCBT effectiveness using HRV measured by wearable devices. 33 students with depression and anxiety participated in a trial comparing GCBT and wait-list control. HRV parameters from wearables correlated with symptoms (PHQ, PSS) and GCBT effectiveness. Baseline HRV levels are strongly associated with GCBT treatment outcomes. HRV may serve as a useful predictor of efficacy of GCBT treatment,facilitating personalized treatment approaches for individuals with depression and anxiety.
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Affiliation(s)
- Zexin Lin
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
| | - Junjie Zheng
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
| | - Yang Wang
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
| | - Zhao Su
- School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Rongxin Zhu
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
| | - Rongxun Liu
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, P.R. China
| | - Yange Wei
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China
- Department of Psychiatry, The Second Affiliated Hospital of Xinxiang Medical University, Henan Mental Hospital, Xinxiang, Henan, China
| | - Xizhe Zhang
- School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Fei Wang
- Early Intervention Unit, Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, P.R. China.
- Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, P.R. China.
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11
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Nhan LNT, Hung NT, Khanh TH, Hong NTT, Ny NTH, Nhu LNT, Han DDK, Zhu T, Thanh TT, Tadesse GA, Clifton D, Van Doorn HR, Van Tan L, Thwaites CL. Feasibility of wearable monitors to detect heart rate variability in children with hand, foot and mouth disease. BMC Infect Dis 2024; 24:205. [PMID: 38360603 PMCID: PMC10868055 DOI: 10.1186/s12879-024-08994-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 01/08/2024] [Indexed: 02/17/2024] Open
Abstract
Hand foot and mouth disease (HFMD) is caused by a variety of enteroviruses, and occurs in large outbreaks in which a small proportion of children deteriorate rapidly with cardiopulmonary failure. Determining which children are likely to deteriorate is difficult and health systems may become overloaded during outbreaks as many children require hospitalization for monitoring. Heart rate variability (HRV) may help distinguish those with more severe diseases but requires simple scalable methods to collect ECG data.We carried out a prospective observational study to examine the feasibility of using wearable devices to measure HRV in 142 children admitted with HFMD at a children's hospital in Vietnam. ECG data were collected in all children. HRV indices calculated were lower in those with enterovirus A71 associated HFMD compared to those with other viral pathogens.HRV analysis collected from wearable devices is feasible in a low and middle income country (LMIC) and may help classify disease severity in HFMD.
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Affiliation(s)
- Le Nguyen Thanh Nhan
- Children's Hospital Number 1, Ho Chi Minh City, Vietnam
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | | | | | | | | | | | - Do Duong Kim Han
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - Tingting Zhu
- Department of Engineering Science, University of Oxford, Oxford, UK
| | - Tran Tan Thanh
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | | | - David Clifton
- Department of Engineering Science, University of Oxford, Oxford, UK
| | - H Rogier Van Doorn
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
| | - Le Van Tan
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | - C Louise Thwaites
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam.
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK.
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12
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King ZD, Yu H, Vaessen T, Myin-Germeys I, Sano A. Investigating Receptivity and Affect Using Machine Learning: Ecological Momentary Assessment and Wearable Sensing Study. JMIR Mhealth Uhealth 2024; 12:e46347. [PMID: 38324358 PMCID: PMC10882474 DOI: 10.2196/46347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 11/01/2023] [Accepted: 11/21/2023] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND As mobile health (mHealth) studies become increasingly productive owing to the advancements in wearable and mobile sensor technology, our ability to monitor and model human behavior will be constrained by participant receptivity. Many health constructs are dependent on subjective responses, and without such responses, researchers are left with little to no ground truth to accompany our ever-growing biobehavioral data. This issue can significantly impact the quality of a study, particularly for populations known to exhibit lower compliance rates. To address this challenge, researchers have proposed innovative approaches that use machine learning (ML) and sensor data to modify the timing and delivery of surveys. However, an overarching concern is the potential introduction of biases or unintended influences on participants' responses when implementing new survey delivery methods. OBJECTIVE This study aims to demonstrate the potential impact of an ML-based ecological momentary assessment (EMA) delivery system (using receptivity as the predictor variable) on the participants' reported emotional state. We examine the factors that affect participants' receptivity to EMAs in a 10-day wearable and EMA-based emotional state-sensing mHealth study. We study the physiological relationships indicative of receptivity and affect while also analyzing the interaction between the 2 constructs. METHODS We collected data from 45 healthy participants wearing 2 devices measuring electrodermal activity, accelerometer, electrocardiography, and skin temperature while answering 10 EMAs daily, containing questions about perceived mood. Owing to the nature of our constructs, we can only obtain ground truth measures for both affect and receptivity during responses. Therefore, we used unsupervised and supervised ML methods to infer affect when a participant did not respond. Our unsupervised method used k-means clustering to determine the relationship between physiology and receptivity and then inferred the emotional state during nonresponses. For the supervised learning method, we primarily used random forest and neural networks to predict the affect of unlabeled data points as well as receptivity. RESULTS Our findings showed that using a receptivity model to trigger EMAs decreased the reported negative affect by >3 points or 0.29 SDs in our self-reported affect measure, scored between 13 and 91. The findings also showed a bimodal distribution of our predicted affect during nonresponses. This indicates that this system initiates EMAs more commonly during states of higher positive emotions. CONCLUSIONS Our results showed a clear relationship between affect and receptivity. This relationship can affect the efficacy of an mHealth study, particularly those that use an ML algorithm to trigger EMAs. Therefore, we propose that future work should focus on a smart trigger that promotes EMA receptivity without influencing affect during sampled time points.
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Affiliation(s)
- Zachary D King
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, United States
| | - Han Yu
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, United States
| | - Thomas Vaessen
- Center For Contextual Psychiatry, Katholieke Universiteit Leuven, Leuven, Belgium
- Department of Psychology, Health & Technology, University of Twente, Enschede, Netherlands
| | - Inez Myin-Germeys
- Center For Contextual Psychiatry, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Akane Sano
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, United States
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13
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Giunta S, Xia S, Pelliccioni G, Olivieri F. Autonomic nervous system imbalance during aging contributes to impair endogenous anti-inflammaging strategies. GeroScience 2024; 46:113-127. [PMID: 37821752 PMCID: PMC10828245 DOI: 10.1007/s11357-023-00947-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023] Open
Abstract
Inflammaging refers to the age-related low grade, sterile, chronic, systemic, and long-lasting subclinical, proinflammatory status, currently recognized as the main risk factor for development and progression of the most common age-related diseases (ARDs). Extensive investigations were focused on a plethora of proinflammatory stimuli that can fuel inflammaging, underestimating and partly neglecting important endogenous anti-inflammaging mechanisms that could play a crucial role in such age-related proinflammatory state. Studies on autonomic nervous system (ANS) functions during aging highlighted an imbalance toward an overactive sympathetic nervous system (SNS) tone, promoting proinflammatory conditions, and a diminished parasympathetic nervous system (PNS) activity, playing anti-inflammatory effects mediated by the so called cholinergic anti-inflammatory pathway (CAP). At the molecular level, CAP is characterized by signals communicated via the vagus nerve (with the possible involvement of the splenic nerves) through acetylcholine release to downregulate the inflammatory actions of macrophages, key players of inflammaging. Notably, decreased vagal function and increased burden of activated/senescent macrophages (macrophaging) probably precede the development of several age-related risk factors and diseases, while increased vagal function and reduced macrophaging could be associated with relevant reduction of risk profiles. Hypothalamic-pituitary-adrenal axis (HPA axis) is another pathway related to ANS promoting some anti-inflammatory response mainly through increased cortisol levels. In this perspective review, we highlighted that CAP and HPA, representing broadly "anti-inflammaging" mechanisms, have a reduced efficacy and lose effectiveness in aged people, a phenomenon that could contribute to fuel inflammaging. In this framework, strategies aimed to re-balance PNS/SNS activities could be explored to modulate systemic inflammaging especially at an early subclinical stage, thus increasing the chances to reach the extreme limit of human lifespan in healthy status.
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Affiliation(s)
- Sergio Giunta
- Casa Di Cura Prof. Nobili (Gruppo Garofalo (GHC)), Castiglione Dei Pepoli, Bologna, Italy
| | - Shijin Xia
- Department of Geriatrics, Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University, Shanghai, China
| | | | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica Delle Marche, Via Tronto 10/A, 60126, Ancona, Italy.
- Clinical Laboratory and Molecular Diagnostic, IRCCS INRCA, Ancona, Italy.
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14
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Mograss M, Frimpong E, Vilcourt F, Chouchou F, Zvionow T, Dang-Vu TT. The effects of acute exercise and a nap on heart rate variability and memory in young sedentary adults. Psychophysiology 2024; 61:e14454. [PMID: 37855092 DOI: 10.1111/psyp.14454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/29/2023] [Accepted: 09/20/2023] [Indexed: 10/20/2023]
Abstract
Recent evidence suggests that the autonomic nervous system can contribute to memory consolidation during sleep. Whether fluctuations in cardiac autonomic activity during sleep following physical exercise contribute to the process of memory consolidation has not been studied. We assessed the effects of a non-rapid eye movement (NREM) nap following acute exercise on cardiac autonomic regulation assessed with heart rate variability (HRV) to examine if HRV influences memory processes. Fifty-six (59% female) healthy young adults (23.14 ± 3.74 years) were randomly allocated to either the exercise plus nap (ExNap, n = 27) or nap alone (NoExNap, n = 29) groups. The ExNap group performed a 40-minute moderate-intensity cycling, while the NoExNap group was sedentary prior to learning 45 neutral pictures for a later test. Subsequently, participants underwent a 60-minute NREM nap while measuring EKG, followed by a visual recognition test. Our results indicated that heart rate did not significantly differ between the groups (p = .243), whereas vagally mediated HRV indices were lower in the ExNap group compared to the NoExNap group (p < .05). There were no significant differences in sleep variables between the groups (p > .05). Recognition accuracy was significantly higher in the ExNap group than in the NoExNap group (p = .027). In addition, the recognition accuracy of the ExNap group was negatively associated with vagally mediated HRV (p < .05). Pre-nap acute exercise appears to attenuate parasympathetic activity and to alter the relationship between memory and cardiac autonomic activity.
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Affiliation(s)
- Melodee Mograss
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- Department of Psychology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
| | - Emmanuel Frimpong
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
- Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montreal, Quebec, Canada
| | - Franck Vilcourt
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, Le Tampon, France
| | - Florian Chouchou
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, Le Tampon, France
| | - Tehila Zvionow
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
| | - Thien Thanh Dang-Vu
- Sleep, Cognition and Neuroimaging Laboratory, Concordia University, Montreal, Quebec, Canada
- Department of Health, Kinesiology & Applied Physiology, Concordia University, Montreal, Quebec, Canada
- PERFORM Centre, Concordia University, Montreal, Quebec, Canada
- Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montreal, Quebec, Canada
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15
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Pichot V, Corbier C, Chouchou F, Barthélémy JC, Roche F. CVRanalysis: a free software for analyzing cardiac, vascular and respiratory interactions. Front Physiol 2024; 14:1224440. [PMID: 38250656 PMCID: PMC10797906 DOI: 10.3389/fphys.2023.1224440] [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: 05/17/2023] [Accepted: 12/13/2023] [Indexed: 01/23/2024] Open
Abstract
Introduction: Simultaneous beat-to-beat R-R intervals, blood pressure and respiration signals are routinely analyzed for the evaluation of autonomic cardiovascular and cardiorespiratory regulations for research or clinical purposes. The more recognized analyses are i) heart rate variability and cardiac coherence, which provides an evaluation of autonomic nervous system activity and more particularly parasympathetic and sympathetic autonomic arms; ii) blood pressure variability which is mainly linked to sympathetic modulation and myogenic vascular function; iii) baroreflex sensitivity; iv) time-frequency analyses to identify fast modifications of autonomic activity; and more recently, v) time and frequency domain Granger causality analyses were introduced for assessing bidirectional causal links between each considered signal, thus allowing the scrutiny of many physiological regulatory mechanisms. Methods: These analyses are commonly applied in various populations and conditions, including mortality and morbidity predictions, cardiac and respiratory rehabilitation, training and overtraining, diabetes, autonomic status of newborns, anesthesia, or neurophysiological studies. Results: We developed CVRanalysis, a free software to analyze cardiac, vascular and respiratory interactions, with a friendly graphical interface designed to meet laboratory requirements. The main strength of CVRanalysis resides in its wide scope of applications: recordings can arise from beat-to-beat preprocessed data (R-R, systolic, diastolic and mean blood pressure, respiration) or raw data (ECG, continuous blood pressure and respiratory waveforms). It has several tools for beat detection and correction, as well as setting of specific areas or events. In addition to the wide possibility of analyses cited above, the interface is also designed for easy study of large cohorts, including batch mode signal processing to avoid running repetitive operations. Results are displayed as figures or saved in text files that are easily employable in statistical softwares. Conclusion: CVRanalysis is freely available at this website: anslabtools.univ-st-etienne.fr. It has been developed using MATLAB® and works on Windows 64-bit operating systems. The software is a standalone application avoiding to have programming skills and to install MATLAB. The aims of this paper area are to describe the physiological, research and clinical contexts of CVRanalysis, to introduce the methodological approach of the different techniques used, and to show an overview of the software with the aid of screenshots.
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Affiliation(s)
- Vincent Pichot
- SAINBIOSE U1059, Inserm, Saint-Etienne Jean-Monnet University, Clinical Physiology and Exercise, CHU of Saint-Etienne, Saint-Etienne, France
| | - Christophe Corbier
- LASPI EA3059, Saint-Etienne Jean-Monnet University, Roanne Technology University Institute, Roanne, France
| | - Florian Chouchou
- IRISSE EA4075, UFR SHE, University of La Réunion, Le Tampon, France
| | - Jean-Claude Barthélémy
- SAINBIOSE U1059, Inserm, Saint-Etienne Jean-Monnet University, Clinical Physiology and Exercise, CHU of Saint-Etienne, Saint-Etienne, France
| | - Frédéric Roche
- SAINBIOSE U1059, Inserm, Saint-Etienne Jean-Monnet University, Clinical Physiology and Exercise, CHU of Saint-Etienne, Saint-Etienne, France
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16
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Roche F, Pichot V, Mouhli-Gasmi L, Monier M, Barthélémy JC, Berger M, Celle S, Chouchou F. Anatomy and physiology of the autonomic nervous system: Implication on the choice of diagnostic/monitoring tools in 2023. Rev Neurol (Paris) 2024; 180:42-52. [PMID: 38176987 DOI: 10.1016/j.neurol.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/06/2024]
Abstract
The autonomic nervous system (ANS) harmoniously regulates all internal organic functions (heart rate, blood pressure, vasomotion, digestive tract motility, endocrinal secretions) and adapts them to the needs. It's the control of so-called vegetative functions, which allows homeostasis but also allostasis of our body. ANS is divided into two systems often understood as antagonistic and complementary: the sympathetic and the parasympathetic systems. However, we currently know of many situations of co-activation of the two systems. Long seen as acting through "reflex" control loops passing through the integration of peripheral information and the efferent response to the peripheral organ, more recent electrophysiological and brain functional imaging knowledge has been able to identify the essential role of the central autonomic network. This element complicates the understanding of the responses of the reflex loops classically used to identify and quantify dysautonomia. Finding the "ANS" tools best suited for the clinician in their daily practice is a challenge that we will attempt to address in this work.
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Affiliation(s)
- F Roche
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France; Inserm U1059 Sainbiose, Jean-Monnet University, Saint-Étienne, France.
| | - V Pichot
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France; Inserm U1059 Sainbiose, Jean-Monnet University, Saint-Étienne, France
| | - L Mouhli-Gasmi
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France
| | - M Monier
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France
| | - J-C Barthélémy
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France; Inserm U1059 Sainbiose, Jean-Monnet University, Saint-Étienne, France
| | - M Berger
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France; Inserm U1059 Sainbiose, Jean-Monnet University, Saint-Étienne, France
| | - S Celle
- Clinical Physiology, Saint-Étienne University Hospital, Saint-Étienne, France; Inserm U1059 Sainbiose, Jean-Monnet University, Saint-Étienne, France
| | - F Chouchou
- IRISSE EA4075, STAPS Department, La Reunion University, Le Tampon, France
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17
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Ukraintseva YV, Saltykov KA. [Effects of slow-wave sleep fragmentation and rapid eye movement sleep fragmentation on melatonin secretion]. Zh Nevrol Psikhiatr Im S S Korsakova 2024; 124:26-32. [PMID: 38934663 DOI: 10.17116/jnevro202412405226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
OBJECTIVE To compare the effect of stage 3 fragmentation and the paradoxical phase of night sleep on melatonin (MT) secretion, and to evaluate the effects of changes in autonomic balance and activation reactions that occur in the orthodox and paradoxical phases of sleep. MATERIAL AND METHODS Fifteen healthy men participated in three sessions: with stage 3 fragmentation, with fragmentation of paradoxical sleep, and in a control experiment in which sleep was not disturbed. In each experiment, 7 saliva samples were collected in the evening, at night and in the morning and the MT content was determined. Heart rate variability was analyzed using an electrocardiogram and autonomic balance was assessed. RESULTS Sleep fragmentation was accompanied by activation reactions and reduced the duration of stage 3 and paradoxical phase sleep by 50% and 51% in the corresponding sessions. Fragmentation of paradoxical sleep also led to an increase in the duration of night wakefulness. Sleep disturbances caused an increase in MT secretion in the second half of the night and in the morning, especially pronounced in sessions with fragmentation of paradoxical sleep, in which upon awakening MT was 1.8 times higher than in the control. Stage 3 fragmentation was accompanied by increased sympathetic activation, while fragmentation of paradoxical sleep did not cause autonomic shifts. The subjects were divided into 2 clusters: with high and low MT in night and morning saliva samples. In all sessions, subjects with high MT had 1.7-2 times longer duration of night wakefulness; in sessions with fragmentation, they had significantly more activations in the paradoxical phase of sleep. CONCLUSION Night sleep disturbances cause an increase in MT secretion, especially pronounced during the fragmentation of the paradoxical phase. An increase in MT levels does not depend on changes in autonomic balance and is apparently associated with activation of the serotonergic system, which accompanies disturbances in the depth and continuity of sleep.
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Affiliation(s)
- Yu V Ukraintseva
- Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Science, Moscow, Russia
| | - K A Saltykov
- Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Science, Moscow, Russia
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18
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Srichawla BS, Kipkorir V, Hayward L. Heart rate variability analysis in toxic leukoencephalopathy-induced malignant catatonia: A case report. Medicine (Baltimore) 2023; 102:e35371. [PMID: 37932984 PMCID: PMC10627692 DOI: 10.1097/md.0000000000035371] [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: 06/19/2023] [Accepted: 08/31/2023] [Indexed: 11/08/2023] Open
Abstract
RATIONALE Toxic leukoencephalopathy, a condition resulting from exposure to toxic substances, can lead to malignant catatonia, a severe motor dysfunction with symptoms such as muscle rigidity and high-spiking fever, hypertensive urgency, and tachycardia. This case study investigates the relationship between toxic leukoencephalopathy-induced malignant catatonia and heart rate variability (HRV), a marker of autonomic nervous system function. PATIENT CONCERNS A 51-year-old male presented to the emergency department with acute onset of progressively worsening mental status. DIAGNOSES The patient was diagnosed with cocaine-induced toxic leukoencephalopathy causing malignant catatonia. INTERVENTIONS A 5-day escalating treatment regimen was instituted for the management of malignant catatonia until resolution. Daily HRV parameters in the temporal and frequency domain, geometric data, and cardiac entropy were recorded using HRVAnalysis v.1.2 (ANS Lab Tools). The HRV analysis was correlated with pharmacologic management, the Bush-Francis catatonia rating scale, and hemodynamic parameters, including blood pressure, heart rate, and temperature. OUTCOMES The results showed a correlation between the severity and frequency of malignant catatonic episodes and the patient autonomic dysfunction. Improvement in malignant catatonia with pharmacological management was associated with an improved HRV, including elevated rMSSD, SDNN, cardiac entropy, and pNN50%. LESSONS Malignant catatonia is associated with decreased HRV, and its management is associated with an increase. This suggests a link between malignant catatonia and autonomic dysfunction, highlighting the potential benefits of treating malignant catatonia to improve autonomic function and reduce cardiovascular risk.
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Affiliation(s)
- Bahadar S. Srichawla
- Department of Neurology, University of Massachusetts Chan Medical School, MA, USA
| | - Vincent Kipkorir
- Department of Medicine, University of Nairobi, University Way, Nairobi, Kenya
| | - Lawrence Hayward
- Department of Neurology, University of Massachusetts Chan Medical School, MA, USA
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Stange JP, Li J, Xu EP, Ye Z, Zapetis SL, Phanord CS, Wu J, Sellery P, Keefe K, Forbes E, Mermelstein RJ, Trull TJ, Langenecker SA. Autonomic complexity dynamically indexes affect regulation in everyday life. JOURNAL OF PSYCHOPATHOLOGY AND CLINICAL SCIENCE 2023; 132:847-866. [PMID: 37410429 PMCID: PMC10592626 DOI: 10.1037/abn0000849] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
Affect regulation often is disrupted in depression. Understanding biomarkers of affect regulation in ecologically valid contexts is critical for identifying moments when interventions can be delivered to improve regulation and may have utility for identifying which individuals are vulnerable to psychopathology. Autonomic complexity, which includes linear and nonlinear indices of heart rate variability, has been proposed as a novel marker of neurovisceral integration. However, it is not clear how autonomic complexity tracks with regulation in everyday life, and whether low complexity serves as a marker of related psychopathology. To measure regulation phenotypes with diminished influence of current symptoms, 37 young adults with remitted major depressive disorder (rMDD) and 28 healthy comparisons (HCs) completed ambulatory assessments of autonomic complexity and affect regulation across one week in everyday life. Multilevel models indicated that in HCs, but not rMDD, autonomic complexity fluctuated in response to regulation cues, increasing in response to reappraisal and distraction and decreasing in response to negative affect. Higher complexity across the week predicted greater everyday regulation success, whereas greater variability of complexity predicted lower (and less variable) negative affect, rumination, and mind-wandering. Results suggest that ambulatory assessment of autonomic complexity can passively index dynamic aspects of real-world affect and regulation, and that dynamic physiological reactivity to regulation is restricted in rMDD. These results demonstrate how intensive sampling of dynamic, nonlinear regulatory processes can advance our understanding of potential mechanisms underlying psychopathology. Such measurements might inform how to test interventions to enhance neurovisceral complexity and affect regulation success in real time. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Jonathan P. Stange
- Department of Psychology, University of Southern California
- Department of Psychiatry and Behavioral Sciences, University of Southern California
| | - Jiani Li
- Department of Psychology, University of Southern California
| | - Ellie P. Xu
- Department of Psychology, University of Southern California
| | - Zihua Ye
- Department of Psychology, University of Illinois at Urbana-Champaign
| | | | | | - Jenny Wu
- Department of Psychology, University of Massachusetts Boston
| | - Pia Sellery
- Department of Psychology, University of Colorado at Boulder
| | - Kaley Keefe
- Department of Psychology, University of Southern California
| | - Erika Forbes
- Department of Psychiatry, University of Pittsburgh
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20
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Amra B, Ghadiry F, Vaezi A, Nematollahy A, Radfar N, Haghjoo S, Penzel T, Morin CM. Effect of one-shot cognitive behavioral therapy on insomnia and heart rate variability of health care workers at the time of COVID-19 pandemic: a randomized controlled trial. Sleep Breath 2023; 27:1411-1418. [PMID: 36414783 PMCID: PMC9684910 DOI: 10.1007/s11325-022-02746-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/04/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022]
Abstract
OBJECTIVES The emergence of sleep disturbances in response to major stressful events has been previously documented. Heart rate variability (HRV) is an objective marker that provides insight into autonomic nervous system dynamics. The aim of the present study was to examine the preliminary effectiveness of a one-shot session of cognitive behavioral therapy for insomnia (CBT-I) for frontline healthcare providers with acute insomnia. METHODS This study was conducted from 2020 to 2021 on healthcare workers with insomnia. The healthcare workers were randomly allocated to receive either one-shot cognitive behavioral therapy or routine care. Insomnia severity index (ISI) and heart rate variability were assessed before and 1 month after the interventions. RESULTS Among 57 patients (n = 31 in the intervention group and n = 26 in the control group), mean (± SD) age of both groups were 34.6 (± 9.5) and 36.6 (± 6.9), respectively. Most participants in both groups were female (81% and 65% in the intervention and control groups, respectively; p-value = 0.10). Insomnia severity index score decreased in the intervention group from 13.3 to 6.7 (p < 0.001). The change before and after the intervention was significant between the two groups for HF-normalized unit (high-frequency power band [0.15-0.40 Hz] in the normalized unit) and LF/HF (the ratio of low frequency to high frequency). HF-normalized unit increased in the intervention group (35.8 ± 21.5 vs. 45.6 ± 19.8 before and after the intervention, respectively), and decreased in the control group (43.9 ± 16.5 vs. 39.8 ± 18.5, before and after the intervention, respectively). CONCLUSION The findings suggest that a single-shot session of cognitive behavioral therapy for insomnia is effective in managing acute insomnia symptoms in healthcare workers.
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Affiliation(s)
- Babak Amra
- Bamdad Respiratory and Sleep Research Center, Isfahan University of Medical Sciences, Sepahsalar Ave., Sepehr Cross Road, Isfahan, 8166863543, Iran.
| | | | - Atefeh Vaezi
- Cancer Prevention Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | | | - Shaghayegh Haghjoo
- Applied Physiology Research Center, Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Thomas Penzel
- Interdisciplinary Center of Sleep Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Charles M Morin
- Université Laval, École de Psychologie, Pavillon F.A.S., Québec, Québec, G1K 7P4, Canada
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21
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Thuptimdang W, Chalacheva P, Coates TD, Khoo MC. McDAPS: A multi-channel physiological signals display and analysis system for clinical researchers. SOFTWAREX 2023; 23:101482. [PMID: 38009083 PMCID: PMC10673622 DOI: 10.1016/j.softx.2023.101482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
We introduce McDAPS, an interactive software for assessing autonomic imbalance from non-invasive multi-channel physiological recordings. McDAPS provides a graphical user interface for data visualization, beat-to-beat processing and interactive analyses. The software extracts beat-to-beat RR interval systolic blood pressure, diastolic blood pressure, the pulse amplitude of photoplethysmogram and the pulse-to-pulse interval. The analysis modules include stationary and time-varying power spectral analyses, moving-correlation analysis and univariate analyses. Analyses can also be performed in batch mode if multiple datasets have to be processed in the same way. The program exports results in standard CSV format. McDAPS runs in MATLAB, and is supported on MS Windows and MAC OS systems. The MATLAB source code is available at https://github.com/thuptimd/McDAPS.git.
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Affiliation(s)
- Wanwara Thuptimdang
- Institute of Biomedical Engineering, Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Patjanaporn Chalacheva
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, United States of America
| | - Thomas D. Coates
- Hematology Section, Cancer and Blood Disease Institute, Children’s Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, United States of America
| | - Michael C.K. Khoo
- Department of Biomedical Engineering, University of Southern California, Los Angeles, United States of America
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22
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Nara N, Kurosawa Y, Fuse-Hamaoka S, Kuroiwa M, Endo T, Tanaka R, Kime R, Hamaoka T. A single dose of oral nattokinase accelerates skin temperature recovery after cold water immersion: A double-blind, placebo-controlled crossover study. Heliyon 2023; 9:e17951. [PMID: 37483751 PMCID: PMC10362143 DOI: 10.1016/j.heliyon.2023.e17951] [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: 02/22/2023] [Revised: 06/29/2023] [Accepted: 07/03/2023] [Indexed: 07/25/2023] Open
Abstract
Nattokinase (NK) intake may improve blood flow; however, its effects on skin temperature, which is predominantly controlled by skin surface blood flow, are unknown. The purpose of this study was to determine the effects of a single dose of NK on changes in skin temperature after cold water immersion. A double-blinded, placebo-controlled, crossover intervention study was performed on nine healthy men. The participants were randomised to receive either a single dose of 2,000 fibrinolytic units (FU) of NK or a placebo with subsequent crossover. Two hours after supplementation, the participants immersed both hands in a water bath maintained at 10 °C for 1 min. Skin temperature, perceived coldness, cardiac output, and sympathetic nervous activity were measured before, during, and after water immersion. Two-way analysis of variance showed a significant effect of treatment interaction on the skin temperature of the middle finger, palm, and back of the right hand (p < 0.05). These findings represented that the skin temperatures of the middle finger, palm, and back of the right hand immersed in the cold water were significantly dropped due to the cold water immersion, and then recovered more quickly by NK intake than by placebo intake. The results of the current study highlight the potential implications of NK for the prevention of excessive vasoconstriction. It may be more significant for those with cold-sensitive constitution, such as women and elderly. In contrast, the acute administration of 2,000 FU of NK did not affect changes in heart rate, cardiac output, sympathetic nervous activity compared with a placebo in healthy men.
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Affiliation(s)
- Noriko Nara
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
- Department of Food & Health Sciences, Jissen Women's University, 4-1-1 Osakaue, Hino-shi, Tokyo 191-8510, Japan
| | - Yuko Kurosawa
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Sayuri Fuse-Hamaoka
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Miyuki Kuroiwa
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Tasuki Endo
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
- Faculty of Science and Technology, Meijo University, 1-501 Shiogamaguchi, Tempaku, Nagoya, Aichi 468-8502, Japan
| | - Riki Tanaka
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Ryotaro Kime
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Takafumi Hamaoka
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
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23
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Bierwirth P, Antov MI, Stockhorst U. Oscillatory and non-oscillatory brain activity reflects fear expression in an immediate and delayed fear extinction task. Psychophysiology 2023:e14283. [PMID: 36906880 DOI: 10.1111/psyp.14283] [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: 03/22/2022] [Revised: 01/23/2023] [Accepted: 02/07/2023] [Indexed: 03/13/2023]
Abstract
Fear extinction is pivotal for inhibiting fear responding to former threat-predictive stimuli. In rodents, short intervals between fear acquisition and extinction impair extinction recall compared to long intervals. This is called Immediate Extinction Deficit (IED). Importantly, human studies of the IED are sparse and its neurophysiological correlates have not been examined in humans. We, therefore, investigated the IED by recording electroencephalography (EEG), skin conductance responses (SCRs), an electrocardiogram (ECG), and subjective ratings of valence and arousal. Forty male participants were randomly assigned to extinction learning either 10 min after fear acquisition (immediate extinction) or 24 h afterward (delayed extinction). Fear and extinction recall were assessed 24 h after extinction learning. We observed evidence for an IED in SCR responses, but not in the ECG, subjective ratings, or in any assessed neurophysiological marker of fear expression. Irrespective of extinction timing (immediate vs. delayed), fear conditioning caused a tilt of the non-oscillatory background spectrum with decreased low-frequency power (<30 Hz) for threat-predictive stimuli. When controlling for this tilt, we observed a suppression of theta and alpha oscillations to threat-predictive stimuli, especially pronounced during fear acquisition. In sum, our data show that delayed extinction might be partially advantageous over immediate extinction in reducing sympathetic arousal (as assessed via SCR) to former threat-predictive stimuli. However, this effect was limited to SCR responses since all other fear measures were not affected by extinction timing. Additionally, we demonstrate that oscillatory and non-oscillatory activity is sensitive to fear conditioning, which has important implications for fear conditioning studies examining neural oscillations.
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Affiliation(s)
- Philipp Bierwirth
- Institute of Psychology, Experimental Psychology II and Biological Psychology, University of Osnabrück, Osnabrück, Germany
| | - Martin I Antov
- Institute of Psychology, Experimental Psychology II and Biological Psychology, University of Osnabrück, Osnabrück, Germany
| | - Ursula Stockhorst
- Institute of Psychology, Experimental Psychology II and Biological Psychology, University of Osnabrück, Osnabrück, Germany
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24
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Dudoignon B, Denjoy I, Patout M, Matrot B, Gallego J, Bokov P, Delclaux C. Heart rate variability in congenital central hypoventilation syndrome: relationships with hypertension and sinus pauses. Pediatr Res 2023; 93:1003-1009. [PMID: 35882978 DOI: 10.1038/s41390-022-02215-4] [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: 01/11/2022] [Revised: 05/06/2022] [Accepted: 07/09/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND Autonomic nervous system (ANS) dysregulation has been described in congenital central hypoventilation syndrome (CCHS). The objectives were to describe heart rate variability (HRV) analyses in children suffering from CCHS both while awake and asleep and their relationships with both ambulatory blood pressure (BP) and ECG monitoring results. METHODS This retrospective study enrolled children with CCHS (n = 33, median age 8.4 years, 18 girls) who had BP and ECG monitored during the same 24 h. From the latter, HRV analyses were obtained during daytime and nighttime. RESULTS The prevalences of hypertension and sinus pauses were 33% (95% confidence interval [CI]: 18-52) and 18% (95% CI: 7-35), respectively. The decrease in systolic BP at night negatively correlated with an increase in very low frequency (VLF) and LF powers at night, and the longest RR interval positively correlated with daytime VLF and LF powers. Among the three groups of children (polyalanine repeat expansion mutation [PARM], moderate [20/25 and 20/26], severe [20/27 and 20/33], and non-PARMs), the prevalence of elevated BP or hypertension was different: in PARM subjects: 6/18 moderate, 7/9 severe versus 0/6 in non-PARM (p = 0.002). CONCLUSION Modifications of cardiac ANS are associated with systemic hypertension and the occurrence of sinus pauses in CCHS. IMPACT Children with congenital central hypoventilation syndrome (CCHS) exhibit an increased prevalence of hypertension and sinus pauses that are linked to cardiac autonomic nervous system dysfunction. Sinus pauses are the main manifestation of sinus nodal dysfunction in children with CCHS. The increased prevalence of hypertension, especially at nighttime, is a new finding in CCHS. Sinus nodal dysfunction can be due to the sole impairment of the cardiac autonomic nervous system. Ambulatory blood pressure and ECG monitoring are mandatory in patients with CCHS.
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Affiliation(s)
- Benjamin Dudoignon
- Université de Paris, AP-HP, Hôpital Robert Debré, Service de Physiologie Pédiatrique Centre du Sommeil-CRMR Hypoventilations alvéolaires rares, INSERM NeuroDiderot, F-75019, Paris, France
| | - Isabelle Denjoy
- AP-HP, Hôpital Robert Debré, Service de Physiologie Pédiatrique, F-75019, Paris, France
| | - Maxime Patout
- Sorbonne Université, AP-HP, Hôpital de la Pitié-Salpêtrière, Service des Pathologies du Sommeil (Département R3S)-CRMR Hypoventilations centrales congénitales, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, F-75005, Paris, France
| | - Boris Matrot
- Université de Paris, INSERM NeuroDiderot, F-75019, Paris, France
| | - Jorge Gallego
- Université de Paris, INSERM NeuroDiderot, F-75019, Paris, France
| | - Plamen Bokov
- Université de Paris, AP-HP, Hôpital Robert Debré, Service de Physiologie Pédiatrique Centre du Sommeil-CRMR Hypoventilations alvéolaires rares, INSERM NeuroDiderot, F-75019, Paris, France
| | - Christophe Delclaux
- Université de Paris, AP-HP, Hôpital Robert Debré, Service de Physiologie Pédiatrique Centre du Sommeil-CRMR Hypoventilations alvéolaires rares, INSERM NeuroDiderot, F-75019, Paris, France.
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25
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Millet GY, Bertrand MF, Lapole T, Féasson L, Rozand V, Hupin D. Measuring objective fatigability and autonomic dysfunction in clinical populations: How and why? Front Sports Act Living 2023; 5:1140833. [PMID: 37065809 PMCID: PMC10101442 DOI: 10.3389/fspor.2023.1140833] [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: 01/09/2023] [Accepted: 03/13/2023] [Indexed: 04/18/2023] Open
Abstract
Fatigue is a major symptom in many diseases, often among the most common and severe ones and may last for an extremely long period. Chronic fatigue impacts quality of life, reduces the capacity to perform activities of daily living, and has socioeconomical consequences such as impairing return to work. Despite the high prevalence and deleterious consequences of fatigue, little is known about its etiology. Numerous causes have been proposed to explain chronic fatigue. They encompass psychosocial and behavioral aspects (e.g., sleep disorders) and biological (e.g., inflammation), hematological (e.g., anemia) as well as physiological origins. Among the potential causes of chronic fatigue is the role of altered acute fatigue resistance, i.e. an increased fatigability for a given exercise, that is related to physical deconditioning. For instance, we and others have recently evidenced that relationships between chronic fatigue and increased objective fatigability, defined as an abnormal deterioration of functional capacity (maximal force or power), provided objective fatigability is appropriately measured. Indeed, in most studies in the field of chronic diseases, objective fatigability is measured during single-joint, isometric exercises. While those studies are valuable from a fundamental science point of view, they do not allow to test the patients in ecological situations when the purpose is to search for a link with chronic fatigue. As a complementary measure to the evaluation of neuromuscular function (i.e., fatigability), studying the dysfunction of the autonomic nervous system (ANS) is also of great interest in the context of fatigue. The challenge of evaluating objective fatigability and ANS dysfunction appropriately (i.e.,. how?) will be discussed in the first part of the present article. New tools recently developed to measure objective fatigability and muscle function will be presented. In the second part of the paper, we will discuss the interest of measuring objective fatigability and ANS (i.e. why?). Despite the beneficial effects of physical activity in attenuating chronic fatigue have been demonstrated, a better evaluation of fatigue etiology will allow to personalize the training intervention. We believe this is key in order to account for the complex, multifactorial nature of chronic fatigue.
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Affiliation(s)
- Guillaume Y. Millet
- Université Jean Monnet Saint-Etienne, Université Savoie Mont-Blanc, Inter-university Laboratory of Human Movement Biology, F-42023, Saint-Etienne, Lyon, France
- Institut Universitaire de France (IUF), Paris, France
- Correspondence: Guillaume Y. Millet
| | - Mathilde F. Bertrand
- Université Jean Monnet Saint-Etienne, Université Savoie Mont-Blanc, Inter-university Laboratory of Human Movement Biology, F-42023, Saint-Etienne, Lyon, France
| | - Thomas Lapole
- Université Jean Monnet Saint-Etienne, Université Savoie Mont-Blanc, Inter-university Laboratory of Human Movement Biology, F-42023, Saint-Etienne, Lyon, France
| | - Léonard Féasson
- Université Jean Monnet Saint-Etienne, Université Savoie Mont-Blanc, Inter-university Laboratory of Human Movement Biology, F-42023, Saint-Etienne, Lyon, France
- Service de physiologie clinique et de l'exercice, CHU de Saint-Étienne, Saint-Étienne, France
- Centre Référent Maladies Neuromusculaires rares - Euro-NmD, CHU de Saint-Étienne, Saint-Étienne, France
| | - Vianney Rozand
- Université Jean Monnet Saint-Etienne, Université Savoie Mont-Blanc, Inter-university Laboratory of Human Movement Biology, F-42023, Saint-Etienne, Lyon, France
| | - David Hupin
- Service de physiologie clinique et de l'exercice, CHU de Saint-Étienne, Saint-Étienne, France
- Jean Monnet University Saint-Etienne, Mines Saint-Etienne, University hospital of Saint-Etienne, INSERM, SAINBIOSE, U1059, DVH team, Saint-Etienne, France
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Muñoz-Pérez I, Varela-Sanz A, Lago-Fuentes C, Navarro-Patón R, Mecías-Calvo M. Central and Peripheral Fatigue in Recreational Trail Runners: A Pilot Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:402. [PMID: 36612727 PMCID: PMC9819577 DOI: 10.3390/ijerph20010402] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/09/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Understanding fatigue mechanisms is crucial for exercise performance. However, scientific evidence on non-invasive methods for assessing fatigue in trail running competitions is scarce, especially when vertical kilometer trail running races (VK) are considered. The main purpose of this study was to assess the autonomic nervous system (ANS) activity (i.e., central fatigue) and the state of muscle activation (i.e., peripheral fatigue) before and after a VK competition. METHODS A cross-sectional pilot study was performed. After applying inclusion/exclusion criteria, 8 recreational male trail runners (31.63 ± 7.21 yrs, 1.75 m ± 0.05 m, 70.38 ± 5.41 kg, BMI: 22.88 ± 0.48, running experience: 8.0 ± 3.63 yrs, weekly training volume: 58.75 ± 10.35 km) volunteered to participate and were assessed for both central (i.e., via heart rate variability, HRV) and peripheral (via tensiomyography, TMG) fatigue before and after a VK race. RESULTS After the VK, resting heart rate, RMSSD (p = 0.01 for both) and SDNN significantly decreased (p = 0.02), while the stress score and the sympathetic-parasympathetic ratio increased (p = 0.01 and p = 0.02, respectively). The TMG analyses suggest that runners already suffered peripheral fatigue before the VK and that 20-30 min are enough for muscular recovery after the race. In summary, our data suggest that participants experienced a pre-competition fatigue status. Further longitudinal studies are necessary to investigate the mechanisms underlying fatigue during trail running races, while training periodization and tapering strategies could play a key role for minimizing pre-competition fatigue status.
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Affiliation(s)
- Iker Muñoz-Pérez
- Facultad de Ciencias de la Educación y Deporte, Universidad de Deusto, 48007 Bilbao, Spain
| | - Adrián Varela-Sanz
- Physical and Sports Education Department, Faculty of Sport Sciences and Physical Education, University of A Coruna, 15179 A Coruna, Spain
| | - Carlos Lago-Fuentes
- Facultad de Ciencias de la Salud, Universidad Europea del Atlántico, 39011 Santander, Spain
| | - Rubén Navarro-Patón
- Facultad de Formación del Profesorado, Universidade de Santiago de Compostela, 27001 Lugo, Spain
| | - Marcos Mecías-Calvo
- Facultad de Formación del Profesorado, Universidade de Santiago de Compostela, 27001 Lugo, Spain
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27
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Barthelemy JC, Pichot V, Hupin D, Berger M, Celle S, Mouhli L, Bäck M, Lacour JR, Roche F. Targeting autonomic nervous system as a biomarker of well-ageing in the prevention of stroke. Front Aging Neurosci 2022; 14:969352. [PMID: 36185479 PMCID: PMC9521604 DOI: 10.3389/fnagi.2022.969352] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
Stroke prediction is a key health issue for preventive medicine. Atrial fibrillation (AF) detection is well established and the importance of obstructive sleep apneas (OSA) has emerged in recent years. Although autonomic nervous system (ANS) appears strongly implicated in stroke occurrence, this factor is more rarely considered. However, the consequences of decreased parasympathetic activity explored in large cohort studies through measurement of ANS activity indicate that an ability to improve its activity level and equilibrium may prevent stroke. In support of these observations, a compensatory neurostimulation has already proved beneficial on endothelium function. The available data on stroke predictions from ANS is based on many long-term stroke cohorts. These data underline the need of repeated ANS evaluation for the general population, in a medical environment, and remotely by emerging telemedicine digital tools. This would help uncovering the reasons behind the ANS imbalance that would need to be medically adjusted to decrease the risk of stroke. This ANS unbalance help to draw attention on clinical or non-clinical evidence, disclosing the vascular risk, as ANS activity integrates the cumulated risk from many factors of which most are modifiable, such as metabolic inadaptation in diabetes and obesity, sleep ventilatory disorders, hypertension, inflammation, and lack of physical activity. Treating these factors may determine ANS recovery through the appropriate management of these conditions. Natural aging also decreases ANS activity. ANS recovery will decrease global circulating inflammation, which will reinforce endothelial function and thus protect the vessels and the associated organs. ANS is the whistle-blower of vascular risk and the actor of vascular health. Such as, ANS should be regularly checked to help draw attention on vascular risk and help follow the improvements in response to our interventions. While today prediction of stroke relies on classical cardiovascular risk factors, adding autonomic biomarkers as HRV parameters may significantly increase the prediction of stroke.
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Affiliation(s)
- Jean-Claude Barthelemy
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- *Correspondence: Jean-Claude Barthelemy,
| | - Vincent Pichot
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
| | - David Hupin
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- Section of Translational Cardiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Mathieu Berger
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- Centre d’Investigation et de Recherche sur le Sommeil, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Sébastien Celle
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
| | - Lytissia Mouhli
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- Département de Neurologie, Hôpital Universitaire Nord, Saint-Étienne, France
| | - Magnus Bäck
- Section of Translational Cardiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
| | - Jean-René Lacour
- Laboratoire de Physiologie, Faculté de Médecine Lyon-Sud, Oullins, France
| | - Frederic Roche
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
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Evin M, Hidalgo-Munoz A, Béquet AJ, Moreau F, Tattegrain H, Berthelon C, Fort A, Jallais C. Personality trait prediction by machine learning using physiological data and driving behavior. MACHINE LEARNING WITH APPLICATIONS 2022. [DOI: 10.1016/j.mlwa.2022.100353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Beyond mindfulness: Arousal-driven modulation of attentional control during arousal-based practices. CURRENT RESEARCH IN NEUROBIOLOGY 2022; 3:100053. [PMID: 36246552 PMCID: PMC9559070 DOI: 10.1016/j.crneur.2022.100053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 08/22/2022] [Indexed: 11/20/2022] Open
Abstract
Here we report meditative techniques, which modulate attentional control by arousal-driven influences and not by monitoring continuous thought processes as during mindfulness-related practices. We focus on Vajrayana (Tantric Buddhism) practices, during which a sequence of generation (self-visualization as a deity - Yidam) or completion with sign (inner heat -Tummo) stages necessarily precedes non-dual awareness (NDA) Tantric Mahamudra. We compared the electrocardiographic and electroencephalographic correlates of Mahamudra performed after rest (non-Tantric Mahamudra) with Mahamudra performed after Yidam (Tantric Mahamudra) in 16 highly experienced Vajrayana practitioners, 10 of whom also performed Tummo. Both Yidam and Tummo developed the state of PNS withdrawal (arousal) and phasic alertness, as reflected by HF HRV decreases and Alpha2 power increases, later neurophysiologically employed in Tantric Mahamudra. The latter led to the unique state of high cortical excitability, “non-selective” focused attention, and significantly reduced attentional control, quantified by power reductions in all frequency bands, except Theta. In contrast, similar to mindfulness-related practices, non-Tantric Mahamudra was performed in a state of PNS dominance (relaxation), tonic alertness, and active monitoring, as suggested by Alpha1 power increases and less pronounced decreases in other frequency bands. A neurobiological model of meditation is proposed, differentiating arousal-based and mindfulness-related practices. Arousal-based meditations involve the state of PNS withdrawal and phasic alertness. Top-down control during arousal-based practices is modulated by arousal. Mindfulness-based practices involve the state of PNS dominance and tonic alertness. Top-down control during mindfulness-based practices is regulated by monitoring. NDA practices aim at non-selectivity of attention and reduction of top-down control.
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Miller DJ, Sargent C, Roach GD. A Validation of Six Wearable Devices for Estimating Sleep, Heart Rate and Heart Rate Variability in Healthy Adults. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22166317. [PMID: 36016077 PMCID: PMC9412437 DOI: 10.3390/s22166317] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/16/2022] [Accepted: 08/16/2022] [Indexed: 05/27/2023]
Abstract
The primary aim of this study was to examine the validity of six commonly used wearable devices, i.e., Apple Watch S6, Garmin Forerunner 245 Music, Polar Vantage V, Oura Ring Generation 2, WHOOP 3.0 and Somfit, for assessing sleep. The secondary aim was to examine the validity of the six devices for assessing heart rate and heart rate variability during, or just prior to, night-time sleep. Fifty-three adults (26 F, 27 M, aged 25.4 ± 5.9 years) spent a single night in a sleep laboratory with 9 h in bed (23:00-08:00 h). Participants were fitted with all six wearable devices-and with polysomnography and electrocardiography for gold-standard assessment of sleep and heart rate, respectively. Compared with polysomnography, agreement (and Cohen's kappa) for two-state categorisation of sleep periods (as sleep or wake) was 88% (κ = 0.30) for Apple Watch; 89% (κ = 0.35) for Garmin; 87% (κ = 0.44) for Polar; 89% (κ = 0.51) for Oura; 86% (κ = 0.44) for WHOOP and 87% (κ = 0.48) for Somfit. Compared with polysomnography, agreement (and Cohen's kappa) for multi-state categorisation of sleep periods (as a specific sleep stage or wake) was 53% (κ = 0.20) for Apple Watch; 50% (κ = 0.25) for Garmin; 51% (κ = 0.28) for Polar; 61% (κ = 0.43) for Oura; 60% (κ = 0.44) for WHOOP and 65% (κ = 0.52) for Somfit. Analyses regarding the two-state categorisation of sleep indicate that all six devices are valid for the field-based assessment of the timing and duration of sleep. However, analyses regarding the multi-state categorisation of sleep indicate that all six devices require improvement for the assessment of specific sleep stages. As the use of wearable devices that are valid for the assessment of sleep increases in the general community, so too does the potential to answer research questions that were previously impractical or impossible to address-in some way, we could consider that the whole world is becoming a sleep laboratory.
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Prados G, Miró E, Martínez MP, Sánchez AI, Pichot V, Medina-Casado M, Chouchou F. Effect of Cognitive-Behavioral Therapy on Nocturnal Autonomic Activity in Patients with Fibromyalgia: A Preliminary Study. Brain Sci 2022; 12:brainsci12070947. [PMID: 35884753 PMCID: PMC9320055 DOI: 10.3390/brainsci12070947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023] Open
Abstract
Objective: fibromyalgia is a complex chronic pain syndrome characterized by widespread musculoskeletal pain, insomnia and autonomic alterations. Cognitive-behavioral therapy (CBT) is regarded as a promising treatment in fibromyalgia, but its impact on autonomic function remains uncertain. In this research, we studied the effect of CBT on autonomic functions in fibromyalgia. Methods: Twenty-five participants underwent overnight polysomnographic recordings before and after CBT programs focused on pain (CBT-P) or a hybrid modality focused on pain and insomnia (CBT-C). Sleep quality, daily pain, depression and anxiety were assessed by self-reported questionnaires. We analyzed heart rate variability (HRV) using high-frequency power (HF) as a marker for parasympathetic activity, and low-frequency power (LF) and the LF/HF ratio as relative sympathetic markers during wakefulness and at each sleep stage. Results: After treatment, 14 patients (/25, 58.0%) reported improvement in their sleep: 6 in the CBT-P condition (/12, 50%), and 8 in the CBT-C condition (/13, 61.5%). We found that, regardless of the type of CBT, patients who reported improvement in sleep quality (n = 14, 58%) had an increase in HF during stages N2 (p < 0.05) and N3 (p < 0.05). These changes were related to improvement in sleep quality (N2, r = −0.43, p = 0.033) but not to pain, depression or anxiety. Conclusions: This study showed an improvement in parasympathetic cardiac control during non-rapid-eye-movement sleep following CBT in fibromyalgia participants who reported better sleep after this therapy. CBT may have a cardio-protective effect and HRV could be used as a sleep monitoring tool in fibromyalgia.
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Affiliation(s)
- Germán Prados
- Department of Nursing, Faculty of Health Sciences, University of Granada, 18016 Granada, Spain;
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
| | - Elena Miró
- Department of Personality, Assessment and Psychological Treatment, Faculty of Psychology, University of Granada, 18071 Granada, Spain; (M.P.M.); (A.I.S.)
- Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, 18071 Granada, Spain
- Correspondence: ; Tel.: +34-958249537
| | - M. Pilar Martínez
- Department of Personality, Assessment and Psychological Treatment, Faculty of Psychology, University of Granada, 18071 Granada, Spain; (M.P.M.); (A.I.S.)
- Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, 18071 Granada, Spain
| | - Ana I. Sánchez
- Department of Personality, Assessment and Psychological Treatment, Faculty of Psychology, University of Granada, 18071 Granada, Spain; (M.P.M.); (A.I.S.)
- Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, 18071 Granada, Spain
| | - Vincent Pichot
- INSERM, U1059, Sainbiose, Dysfonction Vasculaire et Hémostase, Université de Lyon, Université Jean Monnet, 42023 Saint-Etienne, France;
| | - Marta Medina-Casado
- Blood Transfusion Centre and Tissue Bank of Granada-Almería, 18014 Granada, Spain;
| | - Florian Chouchou
- IRISSE Laboratory (EA4075), UFR SHE, University of La Réunion, 97430 Le Tampon, France;
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Rouch I, Edjolo A, Celle S, Pichot V, Laurent B, Borg C, Dorey JM, Roche F. Association between depressive symptoms and long-term heart rate variability in older women: Findings from a population-based cohort. J Affect Disord 2022; 305:151-158. [PMID: 35219741 DOI: 10.1016/j.jad.2022.02.053] [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: 11/01/2021] [Revised: 02/17/2022] [Accepted: 02/19/2022] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Cross-sectional studies highlighted changes in autonomic nervous system (ANS) activity in geriatric depression. However, few longitudinal studies assessed this link which remains still debated. We examined the longitudinal association between lifetime depression history, current depressive disorders, and the evolution of ANS activity in older community women. METHODS The present data stemmed from the PROOF study, a population-based cohort of 1011 community-dwellers followed-up at 2-year intervals for 10 years. Only data from female participants was analyzed (n = 508, mean age 68.5 ± 0.88 years), as very few men had depression in our population. Depressive symptoms and depression history were collected at baseline. Participants were classified in four groups according to presence or absence of history of depression (HD) or current depressive symptomatology (CD): HD+/CD+, HD-/CD+, HD+/CD- and HD-/CD-. ANS activity was assessed during the follow-up through 24-h heart rate variability (HRV). Longitudinal associations between depressive status and HRV indices during the follow-up were investigated using multivariate linear mixed models. RESULTS Compared to HD-/CD- group, women belonging to HD-/CD+ group had greater baseline parasympathetic tone, as measured by lower LF index and LF/HF balance. The longitudinal analysis exhibited a significant enhancement of LF/HF balance with time, measuring an increase of sympathetic tone in HD-/CD+ group. CONCLUSION Our findings suggest that late-onset depressive symptoms may be associated with subsequent autonomic dysregulation in older women. These results highlight the importance of detecting and managing depressive symptoms to limit their consequences on ANS functioning, and the risk of cardiovascular events.
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Affiliation(s)
- Isabelle Rouch
- Memory Clinical and Research Center of Saint Etienne (CMRR), Neurology Unit, University Hospital of Saint Etienne, Saint Etienne, France.; INSERM, U1219, Bordeaux Population Health Center, University of Bordeaux, Bordeaux, France.
| | - Arlette Edjolo
- Memory Clinical and Research Center of Saint Etienne (CMRR), Neurology Unit, University Hospital of Saint Etienne, Saint Etienne, France.; INSERM, U1219, Bordeaux Population Health Center, University of Bordeaux, Bordeaux, France
| | - Sébastien Celle
- Clinical Physiology, Visas Center, University Hospital, Saint-Etienne, France.; INSERM SAINBIOSE U1059, DVH, Jean Monnet University, Saint Etienne, France
| | - Vincent Pichot
- Clinical Physiology, Visas Center, University Hospital, Saint-Etienne, France.; INSERM SAINBIOSE U1059, DVH, Jean Monnet University, Saint Etienne, France
| | - Bernard Laurent
- Memory Clinical and Research Center of Saint Etienne (CMRR), Neurology Unit, University Hospital of Saint Etienne, Saint Etienne, France.; INSERM, U1028; CNRS, UMR5292; Neuropain Team, Lyon Neuroscience Research Center, Lyon, F-69000, France
| | - Céline Borg
- Memory Clinical and Research Center of Saint Etienne (CMRR), Neurology Unit, University Hospital of Saint Etienne, Saint Etienne, France
| | | | - Frédéric Roche
- Clinical Physiology, Visas Center, University Hospital, Saint-Etienne, France.; INSERM SAINBIOSE U1059, DVH, Jean Monnet University, Saint Etienne, France
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Abid N, Mani AR. The mechanistic and prognostic implications of heart rate variability analysis in patients with cirrhosis. Physiol Rep 2022; 10:e15261. [PMID: 35439350 PMCID: PMC9017982 DOI: 10.14814/phy2.15261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/19/2022] [Accepted: 03/23/2022] [Indexed: 06/14/2023] Open
Abstract
Chronic liver damage leads to scarring of the liver tissue and ultimately a systemic illness known as cirrhosis. Patients with cirrhosis exhibit multi-organ dysfunction and high mortality. Reduced heart rate variability (HRV) is a hallmark of cirrhosis, reflecting a state of defective cardiovascular control and physiological network disruption. Several lines of evidence have revealed that decreased HRV holds prognostic information and can predict survival of patients independent of the severity of liver disease. Thus, the aim of this review is to shed light on the mechanistic and prognostic implications of HRV analysis in patients with cirrhosis. Notably, several studies have extensively highlighted the critical role systemic inflammation elicits in conferring the reduction in patients' HRV. It appears that IL-6 is likely to play a central mechanistic role, whereby its levels also correlate with manifestations, such as autonomic neuropathy and hence the partial uncoupling of the cardiac pacemaker from autonomic control. Reduced HRV has also been reported to be highly correlated with the severity of hepatic encephalopathy, potentially through systemic inflammation affecting specific brain regions, involved in both cognitive function and autonomic regulation. In general, the prognostic ability of HRV analysis holds immense potential in improving survival rates for patients with cirrhosis, as it may indeed be added to current prognostic indicators, to ultimately increase the accuracy of selecting the recipient most in need of liver transplantation. However, a network physiology approach in the future is critical to delineate the exact mechanistic basis by which decreased HRV confers poor prognosis.
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Affiliation(s)
- Noor‐Ul‐Hoda Abid
- Network Physiology LabDivision of MedicineUCLLondonUK
- Lancaster Medical SchoolLancaster UniversityLancasterUK
| | - Ali R. Mani
- Network Physiology LabDivision of MedicineUCLLondonUK
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Paysal J, Thireau J, Terral D, Rochette E, Obert P, Merlin E, Nottin S. Cardiac Remodeling and Its Determinants in Anorexia Nervosa Adolescents: Impact of Weight Recovery. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9040458. [PMID: 35455501 PMCID: PMC9031014 DOI: 10.3390/children9040458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 11/16/2022]
Abstract
Cardiovascular alterations in anorexia nervosa (AN) adolescents include bradycardia and decreased systolic blood pressure and left ventricular mass. However, their determinants remain poorly understood. We assessed the associations between morphological and functional left ventricular (LV) remodeling, autonomic control by heart rate variability (HRV) analysis, thyroid hormones and brain natriuretic peptide (BNP) levels in AN female adolescents without or with weight recovery (WR). Fifty-nine female adolescents including 16 AN patients without WR (mean age 13.9 years (10−16)), 10 AN patients with WR (15.7 years (12−18)) and 33 controls (14.1 years (10−18)) underwent night heart rate (HR) recording to measure HRV (and especially SD1/SD2, the ratio between instantaneous (SD1) and long-term (SD2) standard deviation of R-R intervals, reflecting sympatho-vagal balance), speckle tracking echocardiography to assess LV global longitudinal strain (GLS) and blood test for dosage of tri-iodothyronine (T3) hormone and NT-proBNP. Compared to controls, AN patients without WR presented with lower HR (55 ± 7 vs. 68 ± 6 bpm; p < 0.001), parasympathetic hyperactivity, and higher GLS (−19.2 ± 1.8 vs. −16.9 ± 2.8%; p = 0.009). These alterations were partly abolished in AN patients with WR. In a multivariate regression analysis, T3 was the main factor explaining the variance of SD1/SD2, a sympatho-vagal balance marker. NT-proBNP levels were not correlated with cardiac alterations. AN patients had parasympathetic hyperactivity linked with their rate of T3, and a higher GLS. These alterations were partly restored in AN patients with WR.
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Affiliation(s)
- Justine Paysal
- LAPEC UPR 4278, Avignon University, 84000 Avignon, France; (J.P.); (P.O.)
- Néonatologie et Réanimation Pédiatrique, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Jérôme Thireau
- CNRS, INSERM, PhyMedExp, University of Montpellier, 34000 Montpellier, France;
| | - Daniel Terral
- Pédiatrie, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France; (D.T.); (E.R.); (E.M.)
| | - Emmanuelle Rochette
- Pédiatrie, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France; (D.T.); (E.R.); (E.M.)
- INSERM, CIC 1405, Unité CRECHE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Philippe Obert
- LAPEC UPR 4278, Avignon University, 84000 Avignon, France; (J.P.); (P.O.)
| | - Etienne Merlin
- Pédiatrie, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France; (D.T.); (E.R.); (E.M.)
- INSERM, CIC 1405, Unité CRECHE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Stéphane Nottin
- LAPEC UPR 4278, Avignon University, 84000 Avignon, France; (J.P.); (P.O.)
- Correspondence: ; Tel.: +334-901-629-31
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Imbimbo C, Spallazzi M, Ferrari-Pellegrini F, Villa A, Zilioli A, Mutti C, Parrino L, Lazzeroni D. Heart rate variability and cognitive performance in adults with cardiovascular risk. CEREBRAL CIRCULATION - COGNITION AND BEHAVIOR 2022; 3:100136. [PMID: 36324405 PMCID: PMC9616279 DOI: 10.1016/j.cccb.2022.100136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/16/2022] [Accepted: 03/11/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Heart rate variability (HRV), a measure of autonomic function, has been associated with both cardiovascular disease and cognitive dysfunction. In turn, cardiovascular risk has been linked to an increased risk of dementia onset. However, whether autonomic dysfunction may represent an early marker of cognitive decline in individuals with high cardiovascular risk is still an open issue. METHODS We performed a complete 24-hour HRV analysis in 50 middle-aged and elderly subjects with cardiovascular risk as assessed with the European Society of Cardiology Systematic Coronary Risk Evaluation (ESC SCORE). Cognitive performance was evaluated by Montreal Cognitive Assessment (MoCA), Free and Cued Selective Reminding Test (FCSRT) and Stroop Color and Word Test. Stepwise regression was used to identify significant associations between 24-hour ambulatory ECGs parameters and cognitive performances. RESULTS There were 30 women and 20 men with mean age of 64.9 years (range 51-77) and the mean ESC SCORE was 6%. Four subjects were diagnosed with mild cognitive impairment. Associations were found between measures of HRV and measures of cognition. Ultra-low frequency (ULF) band power of HRV significantly correlated with MoCA (r = 0.424, p = 0.003), also after adjustment for demographics and education. A significant association was also found between the ESC SCORE and ULF band power (r = -0.470, p = 0.0009). CONCLUSIONS Ultra-low frequency band power of HRV is associated with cognitive performance of middle-aged and elderly subjects with cardiovascular risk. This finding may indicate that autonomic nervous system dysregulation plays a role in developing cardiovascular risk and cognitive decline.
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Affiliation(s)
- Camillo Imbimbo
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Marco Spallazzi
- Department of Specialistic and General Medicine, Unit of Neurology, Azienda Ospedaliero-Universitaria, Parma, Italy
| | - Francesca Ferrari-Pellegrini
- Cognitive and Motoric Center, Medicine and Geriatric-Rehabilitation Department of Parma, Azienda Ospedaliero-Universitaria, Parma, Italy
| | | | - Alessandro Zilioli
- Department of Specialistic and General Medicine, Unit of Neurology, Azienda Ospedaliero-Universitaria, Parma, Italy
| | - Carlotta Mutti
- Department of Specialistic and General Medicine, Unit of Neurology, Azienda Ospedaliero-Universitaria, Parma, Italy
| | - Liborio Parrino
- Department of Specialistic and General Medicine, Unit of Neurology, Azienda Ospedaliero-Universitaria, Parma, Italy
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Karavaev AS, Skazkina VV, Borovkova EI, Prokhorov MD, Hramkov AN, Ponomarenko VI, Runnova AE, Gridnev VI, Kiselev AR, Kuznetsov NV, Chechurin LS, Penzel T. Synchronization of the Processes of Autonomic Control of Blood Circulation in Humans Is Different in the Awake State and in Sleep Stages. Front Neurosci 2022; 15:791510. [PMID: 35095399 PMCID: PMC8789746 DOI: 10.3389/fnins.2021.791510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/09/2021] [Indexed: 01/09/2023] Open
Abstract
The influence of higher nervous activity on the processes of autonomic control of the cardiovascular system and baroreflex regulation is of considerable interest, both for understanding the fundamental laws of the functioning of the human body and for developing methods for diagnostics and treatment of pathologies. The complexity of the analyzed systems limits the possibilities of research in this area and requires the development of new tools. Earlier we propose a method for studying the collective dynamics of the processes of autonomic control of blood circulation in the awake state and in different stages of sleep. The method is based on estimating a quantitative measure representing the total percentage of phase synchronization between the low-frequency oscillations in heart rate and blood pressure. Analysis of electrocardiogram and invasive blood pressure signals in apnea patients in the awake state and in different sleep stages showed a high sensitivity of the proposed measure. It is shown that in slow-wave sleep the degree of synchronization of the studied rhythms is higher than in the awake state and lower than in sleep with rapid eye movement. The results reflect the modulation of the processes of autonomic control of blood circulation by higher nervous activity and can be used for the quantitative assessment of this modulation.
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Affiliation(s)
- Anatoly S. Karavaev
- Department of Basic Research in Neurocardiology, Institute of Cardiological Research, Saratov State Medical University, Saratov, Russia
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- Laboratory of Nonlinear Dynamics Modeling, Saratov Branch of the Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov, Russia
| | - Viktoriia V. Skazkina
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- LUT School of Engineering Science, LUT University, Lappeenranta, Finland
| | - Ekaterina I. Borovkova
- Department of Basic Research in Neurocardiology, Institute of Cardiological Research, Saratov State Medical University, Saratov, Russia
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- Laboratory of Nonlinear Dynamics Modeling, Saratov Branch of the Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov, Russia
| | - Mikhail D. Prokhorov
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- Laboratory of Nonlinear Dynamics Modeling, Saratov Branch of the Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov, Russia
| | | | - Vladimir I. Ponomarenko
- Laboratory of Nonlinear Dynamics Modeling, Saratov Branch of the Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov, Russia
| | - Anastasiya E. Runnova
- Department of Basic Research in Neurocardiology, Institute of Cardiological Research, Saratov State Medical University, Saratov, Russia
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
| | - Vladimir I. Gridnev
- Department of Basic Research in Neurocardiology, Institute of Cardiological Research, Saratov State Medical University, Saratov, Russia
| | - Anton R. Kiselev
- Department of Basic Research in Neurocardiology, Institute of Cardiological Research, Saratov State Medical University, Saratov, Russia
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- Coordinating Center for Fundamental Research, National Medical Research Center for Therapy and Preventive Medicine, Moscow, Russia
| | - Nikolay V. Kuznetsov
- LUT School of Engineering Science, LUT University, Lappeenranta, Finland
- Faculty of Mathematics and Mechanics, St. Petersburg State University, St. Petersburg, Russia
- Institute for Problems in Mechanical Engineering RAS, St. Petersburg, Russia
| | - Leonid S. Chechurin
- LUT School of Engineering Science, LUT University, Lappeenranta, Finland
- Faculty of Mathematics and Mechanics, St. Petersburg State University, St. Petersburg, Russia
| | - Thomas Penzel
- Smart Sleep Laboratory, Saratov State University, Saratov, Russia
- Interdisciplinary Sleep Medicine Center, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Garner M, Barber RG, Cussins J, Hall D, Reisinger J, Stecyk JA. Does the ventricle limit cardiac contraction rate in the anoxic turtle (Trachemys scripta)? II. In vivo and in vitro assessment of the prevalence of cardiac arrhythmia and atrioventricular block. Curr Res Physiol 2022; 5:292-301. [PMID: 35856059 PMCID: PMC9287599 DOI: 10.1016/j.crphys.2022.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/27/2022] [Accepted: 07/04/2022] [Indexed: 11/15/2022] Open
Abstract
Previous studies have reported evidence of atrio-ventricular (AV) block in the oxygen-limited Trachemys scripta heart. However, if cardiac arrhythmia occurs in live turtles during prolonged anoxia exposure remains unknown. Here, we compare the effects of prolonged anoxic submergence and subsequent reoxygenation on cardiac electrical activity through in vivo electrocardiogram (ECG) recordings of 21 °C- and 5 °C-acclimated turtles to assess the prevalence of cardiac arrhythmia. Additionally, to elucidate the influence of extracellular conditions on the prominence of cardiac arrhythmia, we exposed spontaneously contracting T. scripta right atrium and electrically coupled ventricle strip preparations to extracellular conditions that sequentially and additively approximated the shift from the normoxic to anoxic extracellular condition of warm- and cold-acclimated turtles. Cardiac arrhythmia was prominent in 21 °C anoxic turtles. Arrhythmia was qualitatively evidenced by groupings of contractions in pairs and trios and quantified by an increased coefficient of variation of the RR interval. Similarly, exposure to combined anoxia, acidosis, and hyperkalemia induced arrhythmia in vitro that was not counteracted by hypercalcemia or combined hypercalcemia and heightened adrenergic stimulation. By comparison, cold acclimation primed the turtle heart to be resilient to cardiac arrhythmia. Although cardiac irregularities were present intermittently, no change in the variation of the RR interval occurred in vivo with prolonged anoxia exposure at 5 °C. Moreover, the in vitro studies at 5 °C highlighted the importance of adrenergic stimulation in counteracting AV block. Finally, at both acclimation temperatures, cardiac arrhythmia and irregularities ceased upon reoxygenation, indicating that the T. scripta heart recovers from anoxia-induced disruptions to cardiac excitation. Cardiac arrhythmia was prominent in 21 °C anoxic turtles. Cold acclimation primes the turtle heart to be resilient to the cardiac arrhythmia induced by prolonged anoxic submergence. Adrenergic stimulation counteracts atrioventricular block at 5 °C. The turtle heart recovers from anoxia-induced disruptions to cardiac electrical activity.
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Affiliation(s)
| | | | | | | | | | - Jonathan A.W. Stecyk
- Corresponding author. Stecyk Department of Biological Sciences, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK, 99508, USA.
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Patural H, Franco P, Pichot V, Giraud A. Heart Rate Variability Analysis to Evaluate Autonomic Nervous System Maturation in Neonates: An Expert Opinion. Front Pediatr 2022; 10:860145. [PMID: 35529337 PMCID: PMC9069105 DOI: 10.3389/fped.2022.860145] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/15/2022] [Indexed: 02/03/2023] Open
Abstract
While heart rate variability (HRV) is a relevant non-invasive tool to assess the autonomic nervous system (ANS) functioning with recognized diagnostic and therapeutic implications, the lack of knowledge on its interest in neonatal medicine is certain. This review aims to briefly describe the algorithms used to decompose variations in the length of the RR interval and better understand the physiological autonomic maturation data of the newborn. Assessing newborns' autonomous reactivity can identify dysautonomia situations and discriminate children with a high risk of life-threatening events, which should benefit from cardiorespiratory monitoring at home. Targeted monitoring of HRV should provide an objective reflection of the newborn's intrinsic capacity for cardiorespiratory self-regulation.
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Affiliation(s)
- Hugues Patural
- Neonatal and Pediatric Intensive Care Department, Centre Hospitalier Universitaire de Saint-Étienne, Saint-Étienne, France.,INSERM, U1059, SAINBIOSE, Université de Lyon, Université Jean-Monnet, Saint-Étienne, France
| | - Patricia Franco
- Sleep and Neurological Functional Explorations, Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Lyon, France
| | - Vincent Pichot
- INSERM, U1059, SAINBIOSE, Université de Lyon, Université Jean-Monnet, Saint-Étienne, France
| | - Antoine Giraud
- Neonatal and Pediatric Intensive Care Department, Centre Hospitalier Universitaire de Saint-Étienne, Saint-Étienne, France.,INSERM, U1059, SAINBIOSE, Université de Lyon, Université Jean-Monnet, Saint-Étienne, France
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Berger M, Pichot V, Solelhac G, Marques-Vidal P, Haba-Rubio J, Vollenweider P, Waeber G, Preisig M, Barthélémy JC, Roche F, Heinzer R. Association between nocturnal heart rate variability and incident cardiovascular disease events: The HypnoLaus population-based study. Heart Rhythm 2021; 19:632-639. [PMID: 34864166 DOI: 10.1016/j.hrthm.2021.11.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 11/10/2021] [Accepted: 11/29/2021] [Indexed: 11/04/2022]
Abstract
BACKGROUND Although heart rate variability (HRV) is widely used to assess cardiac autonomic function, few studies have specifically investigated nocturnal HRV. OBJECTIVE The purpose of this study was to assess the association between nocturnal HRV and cardiovascular disease (CVD) incidence over 4 years in a population-based sample. METHODS A total of 1784 participants (48.2% men; 58 ± 11 years) from the HypnoLaus population-based cohort free of CVD at baseline were included. Polysomnography-based electrocardiograms were exported to analyze time- and frequency-domain HRV, Poincaré plots indices, detrended fluctuation analysis, acceleration capacity (AC) and deceleration capacity (DC), entropy, heart rate fragmentation (HRF), and heart rate turbulence. Multivariable-adjusted Cox regression analysis was used to assess the association between HRV indices and incident CVD events. RESULTS Sixty-seven participants (3.8%) developed CVD over mean follow-up of 4.1 ± 1.1 years. In a fully adjusted model, AC (hazard ratio per 1-SD increase; 95% confidence interval: 1.59; 1.17-2.16; P = .004), DC (0.63; 0.47-0.84; P = .002), and HRF (1.41; 1.11-1.78; P = .005) were the only HRV metrics significantly associated with incident CVD events after controlling for false discovery rate. CONCLUSION Nocturnal novel HRV parameters such as AC, DC, and HRF are better predictors of CVD events than time and frequency traditional HRV parameters. These findings suggest a form of dysautonomia and fragmented rhythms, but further experimental studies are needed to delineate the underlying physiological mechanisms of these novel HRV parameters.
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Affiliation(s)
- Mathieu Berger
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland; SNA-EPIS Laboratory, University Hospital of Saint-Etienne, Saint-Etienne, France.
| | - Vincent Pichot
- SNA-EPIS Laboratory, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Geoffroy Solelhac
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Pedro Marques-Vidal
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - José Haba-Rubio
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Peter Vollenweider
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Gérard Waeber
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Martin Preisig
- Department of Psychiatry, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | | | - Frédéric Roche
- SNA-EPIS Laboratory, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Raphael Heinzer
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
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Huysmans D, Borzée P, Buyse B, Testelmans D, Van Huffel S, Varon C. Sleep Diagnostics for Home Monitoring of Sleep Apnea Patients. Front Digit Health 2021; 3:685766. [PMID: 34713155 PMCID: PMC8521961 DOI: 10.3389/fdgth.2021.685766] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/11/2021] [Indexed: 12/04/2022] Open
Abstract
Objectives: Sleep time information is essential for monitoring of obstructive sleep apnea (OSA), as the severity assessment depends on the number of breathing disturbances per hour of sleep. However, clinical procedures for sleep monitoring rely on numerous uncomfortable sensors, which could affect sleeping patterns. Therefore, an automated method to identify sleep intervals from unobtrusive data is required. However, most unobtrusive sensors suffer from data loss and sensitivity to movement artifacts. Thus, current sleep detection methods are inadequate, as these require long intervals of good quality. Moreover, sleep monitoring of OSA patients is often less reliable due to heart rate disturbances, movement and sleep fragmentation. The primary aim was to develop a sleep-wake classifier for sleep time estimation of suspected OSA patients, based on single short-term segments of their cardiac and respiratory signals. The secondary aim was to define metrics to detect OSA patients directly from their predicted sleep-wake pattern and prioritize them for clinical diagnosis. Methods: This study used a dataset of 183 suspected OSA patients, of which 36 test subjects. First, a convolutional neural network was designed for sleep-wake classification based on healthier patients (AHI < 10). It employed single 30 s epochs of electrocardiograms and respiratory inductance plethysmograms. Sleep information and Total Sleep Time (TST) was derived for all patients using the short-term segments. Next, OSA patients were detected based on the average confidence of sleep predictions and the percentage of sleep-wake transitions in the predicted sleep architecture. Results: Sleep-wake classification on healthy, mild and moderate patients resulted in moderate κ scores of 0.51, 0.49, and 0.48, respectively. However, TST estimates decreased in accuracy with increasing AHI. Nevertheless, severe patients were detected with a sensitivity of 78% and specificity of 89%, and prioritized for clinical diagnosis. As such, their inaccurate TST estimate becomes irrelevant. Excluding detected OSA patients resulted in an overall estimated TST with a mean bias error of 21.9 (± 55.7) min and Pearson correlation of 0.74 to the reference. Conclusion: The presented framework offered a realistic tool for unobtrusive sleep monitoring of suspected OSA patients. Moreover, it enabled fast prioritization of severe patients for clinical diagnosis.
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Affiliation(s)
- Dorien Huysmans
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, Leuven, Belgium
| | - Pascal Borzée
- Department of Pneumology, UZ Leuven, Leuven, Belgium
| | - Bertien Buyse
- Department of Pneumology, UZ Leuven, Leuven, Belgium
| | | | - Sabine Van Huffel
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, Leuven, Belgium
| | - Carolina Varon
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, Leuven, Belgium.,e-Media Research Lab, Department of Electrical Engineering (ESAT), KU Leuven, Leuven, Belgium
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Fournié C, Verkindt C, Dalleau G, Bouscaren N, Mohr C, Zunic P, Cabrera Q. Rehabilitation program combining physical exercise and heart rate variability biofeedback in hematologic patients: a feasibility study. Support Care Cancer 2021; 30:2009-2016. [PMID: 34636946 PMCID: PMC8794932 DOI: 10.1007/s00520-021-06601-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/27/2021] [Indexed: 11/25/2022]
Abstract
Purpose Hematologic patients have a poorer health-related quality of life due to the disease and its treatments. Non-pharmacological interventions represent an opportunity in tertiary cancer prevention to manage persistent symptoms and support patients in their return to active daily living. This interventional study aimed to evaluate the feasibility of a program combining physical exercise (PE) and heart rate variability biofeedback (HRVB) in hematologic patients. Method Hematologic patients in remission within 6 months participated in a 12-week rehabilitation program including 24 supervised sessions of PE associated with 10 supervised sessions of HRVB and daily home-based practice of paced breathing. We assessed patient adherence, fatigue, physical function, and heart rate variability. Results Twenty patients were included, 17 completed the protocol and 3 dropped out due to disease progression or time constraints; no adverse events or incidents were reported. Participation rates were 85% for PE and 98% for HRVB-supervised sessions. Significant improvements of physical capacity (6-min walk test, p < 0.001; 50-foot walk test, p < 0.001), muscle strength (grip force test, p < 0.01), and flexibility (toe-touch test, p < 0.001; back scratch test, p < 0.05) were measured. Coherence ratio (p < 0.001) and low-frequency spectral density of HRV signal (p < 0.003) increased significantly, suggesting improved autonomic function. Fatigue, static balance, and other time and frequency indicators of HRV were not improved (all p > 0.05). Conclusion A rehabilitation program combining PE and HRVB is feasible in hematologic patients and effective on physical function. Further research with a larger sample size is needed to investigate effectiveness on patients’ autonomic functions and their impacts on symptomatology.
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Affiliation(s)
- Claire Fournié
- Laboratoire IRISSE EA4075, UFR Des Sciences de L'Homme Et de L'Environnement, Université de La Réunion, Le Tampon, La Réunion, France.
| | - Chantal Verkindt
- Laboratoire IRISSE EA4075, UFR Des Sciences de L'Homme Et de L'Environnement, Université de La Réunion, Le Tampon, La Réunion, France
| | - Georges Dalleau
- Laboratoire IRISSE EA4075, UFR Des Sciences de L'Homme Et de L'Environnement, Université de La Réunion, Le Tampon, La Réunion, France
| | - Nicolas Bouscaren
- Centre d'Investigation Clinique, CHU Sud Réunion, Inserm CIC 1410, Saint-Pierre, La Réunion, France
| | - Catherine Mohr
- Service d'Hématologie Clinique, CHU Sud Réunion, Saint Pierre, La Réunion, France
| | - Patricia Zunic
- Service d'Hématologie Clinique, CHU Sud Réunion, Saint Pierre, La Réunion, France
| | - Quentin Cabrera
- Service d'Hématologie Clinique, CHU Sud Réunion, Saint Pierre, La Réunion, France
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Westphal WP, Rault C, Robert R, Ragot S, Neau JP, Fernagut PO, Drouot X. Sleep deprivation reduces vagal tone during an inspiratory endurance task in humans. Sleep 2021; 44:zsab105. [PMID: 33895822 DOI: 10.1093/sleep/zsab105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 04/12/2021] [Indexed: 11/13/2022] Open
Abstract
STUDY OBJECTIVES Sleep deprivation alters inspiratory endurance by reducing inspiratory motor output. Vagal tone is involved in exercise endurance. This study aimed to investigate the effect of sleep deprivation on vagal tone adaptation in healthy subjects performing an inspiratory effort. METHODS Vagal tone was assessed using Heart Rate Variability normalized units of frequency domain component HF (high frequency) before, at the start, and the end of an inspiratory loading trial performed until exhaustion by 16 volunteers after one night of sleep deprivation and one night of normal sleep, where sleep deprivation reduced the inspiratory endurance by half compared to the normal sleep condition (30 min vs 60 min). RESULTS At rest, heart rate was similar in sleep deprivation and normal sleep conditions. In normal sleep condition, heart rate increased during inspiratory loading task; this increase was greater in sleep deprivation condition. In normal sleep condition, vagal tone increased at the beginning of the trial. This vagal tone increase was absent in sleep deprivation condition. CONCLUSIONS Sleep deprivation abolished vagal tone response to inspiratory load, possibly contributing to a higher heart rate during the trial and to a reduced inspiratory endurance. CLINICAL TRIAL REGISTRATION NCT02725190.
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Affiliation(s)
- Willy-Paul Westphal
- Centre d'Investigation Clinique Inserm 1402, Team Acute Lung Injury and VEntilatory support, Centre Hospitalier Universitaire de Poitiers, France
- Université de Poitiers, INSERM, Laboratoire de Neurosciences Expérimentales et Cliniques, Team Neurodevelopment Neuroadaptation Neurodegeneration, Poitiers, France
| | - Christophe Rault
- Centre d'Investigation Clinique Inserm 1402, Team Acute Lung Injury and VEntilatory support, Centre Hospitalier Universitaire de Poitiers, France
| | - René Robert
- Centre d'Investigation Clinique Inserm 1402, Team Acute Lung Injury and VEntilatory support, Centre Hospitalier Universitaire de Poitiers, France
| | - Stéphanie Ragot
- Centre d'Investigation Clinique Inserm 1402, Team Acute Lung Injury and VEntilatory support, Centre Hospitalier Universitaire de Poitiers, France
| | - Jean-Philippe Neau
- Neurology Department, Centre Hospitalier Universitaire de Poitiers, France
| | - Pierre-Olivier Fernagut
- Université de Poitiers, INSERM, Laboratoire de Neurosciences Expérimentales et Cliniques, Team Neurodevelopment Neuroadaptation Neurodegeneration, Poitiers, France
| | - Xavier Drouot
- Centre d'Investigation Clinique Inserm 1402, Team Acute Lung Injury and VEntilatory support, Centre Hospitalier Universitaire de Poitiers, France
- Université de Poitiers, INSERM, Laboratoire de Neurosciences Expérimentales et Cliniques, Team Neurodevelopment Neuroadaptation Neurodegeneration, Poitiers, France
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Huysmans D, Castro I, Borzée P, Patel A, Torfs T, Buyse B, Testelmans D, Van Huffel S, Varon C. Capacitively-Coupled ECG and Respiration for Sleep-Wake Prediction and Risk Detection in Sleep Apnea Patients. SENSORS (BASEL, SWITZERLAND) 2021; 21:6409. [PMID: 34640728 PMCID: PMC8512805 DOI: 10.3390/s21196409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/14/2021] [Accepted: 09/18/2021] [Indexed: 12/02/2022]
Abstract
Obstructive sleep apnea (OSA) patients would strongly benefit from comfortable home diagnosis, during which detection of wakefulness is essential. Therefore, capacitively-coupled electrocardiogram (ccECG) and bioimpedance (ccBioZ) sensors were used to record the sleep of suspected OSA patients, in parallel with polysomnography (PSG). The three objectives were quality assessment of the unobtrusive signals during sleep, prediction of sleep-wake using ccECG and ccBioZ, and detection of high-risk OSA patients. First, signal quality indicators (SQIs) determined the data coverage of ccECG and ccBioZ. Then, a multimodal convolutional neural network (CNN) for sleep-wake prediction was tested on these preprocessed ccECG and ccBioZ data. Finally, two indices derived from this prediction detected patients at risk. The data included 187 PSG recordings of suspected OSA patients, 36 (dataset "Test") of which were recorded simultaneously with PSG, ccECG, and ccBioZ. As a result, two improvements were made compared to prior studies. First, the ccBioZ signal coverage increased significantly due to adaptation of the acquisition system. Secondly, the utility of the sleep-wake classifier increased as it became a unimodal network only requiring respiratory input. This was achieved by using data augmentation during training. Sleep-wake prediction on "Test" using PSG respiration resulted in a Cohen's kappa (κ) of 0.39 and using ccBioZ in κ = 0.23. The OSA risk model identified severe OSA patients with a κ of 0.61 for PSG respiration and κ of 0.39 using ccBioZ (accuracy of 80.6% and 69.4%, respectively). This study is one of the first to perform sleep-wake staging on capacitively-coupled respiratory signals in suspected OSA patients and to detect high risk OSA patients based on ccBioZ. The technology and the proposed framework could be applied in multi-night follow-up of OSA patients.
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Affiliation(s)
- Dorien Huysmans
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, 3001 Leuven, Belgium; (S.V.H.); (C.V.)
| | - Ivan Castro
- Circuits and Systems for Health, Imec-Leuven, 3001 Leuven, Belgium; (I.C.); (A.P.); (T.T.)
| | - Pascal Borzée
- Department of Pneumology, UZ Leuven, 3000 Leuven, Belgium; (P.B.); (B.B.); (D.T.)
| | - Aakash Patel
- Circuits and Systems for Health, Imec-Leuven, 3001 Leuven, Belgium; (I.C.); (A.P.); (T.T.)
| | - Tom Torfs
- Circuits and Systems for Health, Imec-Leuven, 3001 Leuven, Belgium; (I.C.); (A.P.); (T.T.)
| | - Bertien Buyse
- Department of Pneumology, UZ Leuven, 3000 Leuven, Belgium; (P.B.); (B.B.); (D.T.)
| | - Dries Testelmans
- Department of Pneumology, UZ Leuven, 3000 Leuven, Belgium; (P.B.); (B.B.); (D.T.)
| | - Sabine Van Huffel
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, 3001 Leuven, Belgium; (S.V.H.); (C.V.)
| | - Carolina Varon
- STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, Department of Electrical Engineering (ESAT), KU Leuven, 3001 Leuven, Belgium; (S.V.H.); (C.V.)
- Service de Chimie-Physique E.P., Université Libre de Bruxelles, 1050 Brussels, Belgium
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Bottaro M, Abid NUH, El-Azizi I, Hallett J, Koranteng A, Formentin C, Montagnese S, Mani AR. Skin temperature variability is an independent predictor of survival in patients with cirrhosis. Physiol Rep 2021; 8:e14452. [PMID: 32562383 PMCID: PMC7305245 DOI: 10.14814/phy2.14452] [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: 03/25/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 12/18/2022] Open
Abstract
Background Cirrhosis is a disease with multisystem involvement. It has been documented that patients with cirrhosis exhibit abnormal patterns of fluctuation in their body temperature. However, the clinical significance of this phenomenon is not well understood. The aim of this study was to determine if temperature variability analysis can predict survival in patients with cirrhosis. Methods Thirty eight inpatients with cirrhosis were enrolled in the study. Wireless temperature sensors were used to record patients’ proximal skin temperature for 24 hr. The pattern of proximal temperature fluctuation was assessed using the extended Poincaré plot to measure short‐term and long‐term proximal temperature variability (PTV). Patients were followed up for 12 months, and information was collected on the occurrence of death/liver transplantation. Results During the follow‐up period, 15 patients (39%) died or underwent transplantation for hepatic decompensation. Basal proximal skin temperature absolute values were comparable in survivors and nonsurvivors. However, nonsurvivors showed a significant reduction in both short‐term and long‐term HRV indices. Cox regression analysis showed that both short‐term and long‐term PTV indices could predict survival in these patients. However, only measures of short‐term PTV were shown to be independent of the severity of hepatic failure in predicting survival. Finally, the prognostic value of short‐term PTV was also independent of heart rate variability, that is, a measure of autonomic dysfunction. Conclusion Changes in the pattern of patients’ temperature fluctuations, rather than their absolute values, hold key prognostic information, suggesting that impaired thermoregulation may play an important role in the pathophysiology of cirrhosis.
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Affiliation(s)
- Matteo Bottaro
- Department of Medicine, University of Padova, Padova, Italy
| | | | - Ilias El-Azizi
- Network Physiology Lab, Division of Medicine, UCL, London, UK
| | - Joseph Hallett
- Network Physiology Lab, Division of Medicine, UCL, London, UK
| | - Anita Koranteng
- Network Physiology Lab, Division of Medicine, UCL, London, UK
| | | | | | - Ali R Mani
- Network Physiology Lab, Division of Medicine, UCL, London, UK
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Wu MA, Catena E, Castelli A, Rech R, Borghi B, Ottolina D, Fossali T, Cogliati C, Colombo R. Autonomic biomarkers of shock in idiopathic systemic capillary leak syndrome. PLoS One 2021; 16:e0251775. [PMID: 34061871 PMCID: PMC8168872 DOI: 10.1371/journal.pone.0251775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 05/03/2021] [Indexed: 11/18/2022] Open
Abstract
Objective The term Idiopathic Systemic Capillary Leak Syndrome (ISCLS) refers to an uncommon condition of severe distributive shock, resulting from an abrupt shift of fluids and proteins from the intravascular to the interstitial compartment. We hypothesise that the autonomic nervous system (ANS) fails in regulating the response to hypovolemia in acute ISCLS and that ANS variables characterise the progression to the recovery. Design Prospective cohort study of patients admitted to ICU for severe ISCLS flares. Setting Single, referral center in Italy for ISCLS. Patients Analysis of cardiovascular signals recorded during seven severe ISCLS attacks and one prodromal period in five patients. Interventions ANS was studied non-invasively by means of heart rate variability (HRV) and blood pressure variability analysis, as an estimation of vagal and sympathetic modulation directed to the heart and vessels. Heart rate and systolic arterial pressure (SAP) variability were also used to assess baroreflex sensitivity. ANS variables were measured during the subsequent phases which characterise ISCLS flares, namely the acute phase, the post-acute phase, and the recovery phase. Measurements and main results HRV was severely depressed during the acute phase accounting for the loss of ANS modulation during massive capillary extravasation. This phase was characterised by shock and impaired baroreflex control, which allowed SAP to oscillate driven by respiratory activity. Impending shock and transition from shock to a post-acute phase were marked by change of baroreflex spectral variables. The baroreflex control was fully restored during recovery. Conclusions ANS modulation and baroreflex control are severely impaired during the acute haemodynamic instability which characterises ISCLS crises and their progressive restoration may be a clue of improvement. ANS indices during ISCLS flares might serve as useful biomarkers, able to timely announce the transition from one phase to the subsequent one, thus helping to adapt therapy accordingly.
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Affiliation(s)
- Maddalena Alessandra Wu
- Division of Internal Medicine, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Emanuele Catena
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Antonio Castelli
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Roberto Rech
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Beatrice Borghi
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Davide Ottolina
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Tommaso Fossali
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Chiara Cogliati
- Division of Internal Medicine, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
| | - Riccardo Colombo
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital–Polo Universitario—University of Milan, Milan, Italy
- * E-mail:
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Bokov P, Mauvais FX, Madani A, Matrot B, Lecendreux M, Delanoë C, Konofal E, Gallego J, Delclaux C. Cross-sectional case-control study of the relationships between pharyngeal compliance and heart rate variability indices in childhood obstructive sleep apnoea. J Sleep Res 2021; 30:e13337. [PMID: 33880823 DOI: 10.1111/jsr.13337] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 12/20/2022]
Abstract
A combination of noradrenergic and antimuscarinic agents reduces the apnea-hypopnea index (AHI) in adult patients with obstructive sleep apnoea (OSA) via reduced upper airway collapsibility, suggesting that a shift in the sympathovagal balance improves OSA. The objectives of our present case-control study were to assess heart rate variability (HRV) indices in the stages of sleep in children with and without OSA to evaluate OSA-induced sleep HRV modifications and to assess whether increased collapsibility measured during wakefulness is associated with reduced sympathetic activity during non-rapid eye movement (NREM) sleep. Three groups of 15 children were matched by sex, age, z-score of body mass index and ethnicity: non-OSA (obstructive AHI [OAHI] <2 events/hr), mild (OAHI ≥2 to <5 events/hr) or moderate-severe (OAHI ≥5 events/hr) OSA. Pharyngeal compliance was measured during wakefulness using acoustic pharyngometry. HRV indices (time and frequency domain variables) were calculated on 5-min electrocardiography recordings from polysomnography during wakefulness, NREM and REM sleep in periods free of any event. As compared to children without OSA, those with OSA (n = 30) were characterised by increased compliance and no physiological parasympathetic tone increase in REM sleep. Children with increased pharyngeal compliance (n = 21) had a higher OAHI due to higher AHI in NREM sleep, whereas their sympathetic tone was lower than that of those with normal compliance (n = 24). In conclusion, children with increased pharyngeal compliance exhibit decreased sympathetic tone associated with increased AHI in NREM sleep. Therapeutics directed at sympathovagal balance modifications should be tested in childhood OSA.
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Affiliation(s)
- Plamen Bokov
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris, AP-HP, Hôpital Robert Debré, INSERM NeuroDiderot, Paris, France
| | - François-Xavier Mauvais
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris, UMR1151, AP-HP, Hôpital Robert Debré, CNRS UMR8253, Paris, France
| | - Amélia Madani
- Service de Physiologie Pédiatrique-Centre du Sommeil, AP-HP, Hôpital Robert Debré, Paris, France
| | - Boris Matrot
- INSERM NeuroDiderot, Equipe NeoPhen, Paris, France
| | - Michel Lecendreux
- Service de Physiologie Pédiatrique-Centre du Sommeil, AP-HP, Hôpital Robert Debré, Paris, France
| | - Catherine Delanoë
- Service de Physiologie Pédiatrique-Centre du Sommeil, AP-HP, Hôpital Robert Debré, Paris, France
| | - Eric Konofal
- Service de Physiologie Pédiatrique-Centre du Sommeil, AP-HP, Hôpital Robert Debré, Paris, France
| | | | - Christophe Delclaux
- Service de Physiologie Pédiatrique-Centre du Sommeil, Université de Paris, AP-HP, Hôpital Robert Debré, INSERM NeuroDiderot, Paris, France
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Hirotsu C, Betta M, Bernardi G, Marques-Vidal P, Vollenweider P, Waeber G, Pichot V, Roche F, Siclari F, Haba-Rubio J, Heinzer R. Pulse wave amplitude drops during sleep: clinical significance and characteristics in a general population sample. Sleep 2021; 43:5715731. [PMID: 31978212 PMCID: PMC7355400 DOI: 10.1093/sleep/zsz322] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/06/2019] [Indexed: 11/13/2022] Open
Abstract
Study Objectives To explore the clinical significance of pulse wave amplitude (PWA)-drops during sleep as a biomarker for cardiometabolic disorders and describe their main characteristics in a general population sample. Methods Cross-sectional study of HypnoLaus cohort, in which 2162 individuals underwent clinical assessment and in-home full polysomnography. PWA-drops were derived from photoplethysmography and processed using a validated automated algorithm. Associations between PWA-drop features (index, mean duration, and mean area under the curve [AUC]) with hypertension, diabetes, and previous cardiovascular (CV) event were analyzed using multivariable-adjusted logistic regression. Results Two thousand one hundred forty-nine participants (59 ± 11 years, 51% women, 9.9% diabetes, 41.3% hypertension, 4.4% CV event) were included. Mean ± standard deviation (SD) of PWA-drop index, duration, and AUC during sleep were 51.0 ± 20.3 events/hour, 14.0 ± 2.7 seconds, and 527±115 %seconds, respectively. PWA-drop index was lower in women and decreased with age, while its mean duration and AUC increased in men and elderly. Overall, lower PWA-drop index, longer duration and greater AUC were associated with increased odds of hypertension, diabetes, or CV event after adjustment for confounders. Participants in the lowest quartile of mean duration-normalized PWA-drop index had a significantly higher odds ratio (OR) of hypertension (OR = 1.60 [1.19–2.16]), CV event (OR = 3.26 [1.33–8.03]), and diabetes (OR = 1.71 [1.06–2.76]) compared to those in the highest quartile. Similar results were observed for mean AUC-normalized PWA-drop index regarding hypertension (OR = 1.59 [1.19–2.13]), CV event (OR = 2.45 [1.14–5.26]) and diabetes (OR = 1.76 [1.10–2.83]). Conclusions PWA-drop features during sleep seem to be an interesting biomarker independently associated with cardiometabolic outcomes in the general population.
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Affiliation(s)
- Camila Hirotsu
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland (Institution where the work was performed)
| | - Monica Betta
- IMT School for Advanced Studies Lucca, Lucca, Italy
| | | | - Pedro Marques-Vidal
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Peter Vollenweider
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Gérard Waeber
- Department of Medicine, Internal Medicine, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Vincent Pichot
- University Hospital of Saint-Étienne, Clinical and Exercise Physiology, Saint-Étienne, France
| | - Frederic Roche
- University Hospital of Saint-Étienne, Clinical and Exercise Physiology, Saint-Étienne, France
| | - Francesca Siclari
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland (Institution where the work was performed)
| | - Jose Haba-Rubio
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland (Institution where the work was performed)
| | - Raphael Heinzer
- Center for Investigation and Research in Sleep (CIRS), Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland (Institution where the work was performed).,Pulmonary Department, Lausanne University Hospital (CHUV), Lausanne, Switzerland
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Mayor D, Panday D, Kandel HK, Steffert T, Banks D. CEPS: An Open Access MATLAB Graphical User Interface (GUI) for the Analysis of Complexity and Entropy in Physiological Signals. ENTROPY 2021; 23:e23030321. [PMID: 33800469 PMCID: PMC7998823 DOI: 10.3390/e23030321] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/28/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND We developed CEPS as an open access MATLAB® GUI (graphical user interface) for the analysis of Complexity and Entropy in Physiological Signals (CEPS), and demonstrate its use with an example data set that shows the effects of paced breathing (PB) on variability of heart, pulse and respiration rates. CEPS is also sufficiently adaptable to be used for other time series physiological data such as EEG (electroencephalography), postural sway or temperature measurements. METHODS Data were collected from a convenience sample of nine healthy adults in a pilot for a larger study investigating the effects on vagal tone of breathing paced at various different rates, part of a development programme for a home training stress reduction system. RESULTS The current version of CEPS focuses on those complexity and entropy measures that appear most frequently in the literature, together with some recently introduced entropy measures which may have advantages over those that are more established. Ten methods of estimating data complexity are currently included, and some 28 entropy measures. The GUI also includes a section for data pre-processing and standard ancillary methods to enable parameter estimation of embedding dimension m and time delay τ ('tau') where required. The software is freely available under version 3 of the GNU Lesser General Public License (LGPLv3) for non-commercial users. CEPS can be downloaded from Bitbucket. In our illustration on PB, most complexity and entropy measures decreased significantly in response to breathing at 7 breaths per minute, differentiating more clearly than conventional linear, time- and frequency-domain measures between breathing states. In contrast, Higuchi fractal dimension increased during paced breathing. CONCLUSIONS We have developed CEPS software as a physiological data visualiser able to integrate state of the art techniques. The interface is designed for clinical research and has a structure designed for integrating new tools. The aim is to strengthen collaboration between clinicians and the biomedical community, as demonstrated here by using CEPS to analyse various physiological responses to paced breathing.
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Affiliation(s)
- David Mayor
- School of Health and Social Work, University of Hertfordshire, Hatfield AL10 9AB, UK
- Correspondence:
| | - Deepak Panday
- School of Engineering and Computer Science, University of Hertfordshire, Hatfield AL10 9AB, UK;
| | - Hari Kala Kandel
- Department of Computing, Goldsmiths College, University of London, New Cross, London SE14 6NW, UK;
| | - Tony Steffert
- MindSpire, Napier House, 14-16 Mount Ephraim Rd, Tunbridge Wells TN1 1EE, UK;
- School of Life, Health and Chemical Sciences, Walton Hall, The Open University, Milton Keynes MK7 6AA, UK;
| | - Duncan Banks
- School of Life, Health and Chemical Sciences, Walton Hall, The Open University, Milton Keynes MK7 6AA, UK;
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Bourgeois-Vionnet J, Jung J, Bouet R, Leclercq M, Catenoix H, Bezin L, Ryvlin P, Rheims S. Relation between coffee consumption and risk of seizure-related respiratory dysfunction in patients with drug-resistant focal epilepsy. Epilepsia 2021; 62:765-777. [PMID: 33586176 DOI: 10.1111/epi.16837] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/21/2021] [Accepted: 01/21/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Caffeine is an antagonist of the adenosine pathway, which is involved in regulation of breathing. Extracellular concentrations of adenosine are increased in the immediate aftermath of a seizure. Seizure-related overstimulation of adenosine receptors might promote peri-ictal apnea. However, the relation between caffeine consumption and risk of seizure-related respiratory dysfunction in patients with drug-resistant focal epilepsy remains unknown. METHODS We performed a cross-sectional analysis of data collected in patients included in the SAVE study in Lyon's epilepsy monitoring unit at the Adult Epilepsy Department of the Lyon University Hospital between February 2016 and October 2018. The video-electroencephalographic recordings of 156 patients with drug-resistant focal epilepsy included in the study were reviewed to identify those with ≥1 focal seizure (FS), valid pulse oximetry (SpO2 ) measurement, and information about usual coffee consumption. This latter was collected at inclusion using a standardized self-questionnaire and further classified into four groups: none, rare (≤3 cups/week), moderate (4 cups/week to 3 cups/day), and high (≥4 cups/day). Peri-ictal hypoxemia (PIH) was defined as SpO2 < 90% for at least 5 s occurring during the ictal period, the post-ictal period, or both. RESULTS Ninety patients fulfilled inclusion criteria, and 323 seizures were analyzed. Both the level of usual coffee consumption (p = .033) and the level of antiepileptic drug withdrawal (p = .004) were independent risk factors for occurrence of PIH. In comparison with FS in patients with no coffee consumption, risk of PIH was four times lower in FS in patients with moderate consumption (odds ratio [OR] = .25, 95% confidence interval [CI] = .07-.91, p = .036) and six times lower in FS in patients with high coffee consumption (OR = .16, 95% CI = .04-.66, p = .011). However, when PIH occurred, its duration was longer in patients with moderate or high consumption than in those with no coffee consumption (p = .042). SIGNIFICANCE Coffee consumption may be a protective factor for seizure-related respiratory dysfunction, with a dose-dependent effect.
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Affiliation(s)
- Julie Bourgeois-Vionnet
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France
| | - Julien Jung
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France.,Lyon Neuroscience Research Center, INSERM U1028/CNRS UMR 5292, Lyon, France
| | - Romain Bouet
- Lyon Neuroscience Research Center, INSERM U1028/CNRS UMR 5292, Lyon, France
| | - Mathilde Leclercq
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France
| | - Hélène Catenoix
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France.,Lyon Neuroscience Research Center, INSERM U1028/CNRS UMR 5292, Lyon, France
| | - Laurent Bezin
- Lyon Neuroscience Research Center, INSERM U1028/CNRS UMR 5292, Lyon, France.,Epilepsy Institute, Lyon, France
| | - Philippe Ryvlin
- Department of Clinical Neurosciences, Vaudois University Hospital Center, Lausanne, Switzerland
| | - Sylvain Rheims
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France.,Lyon Neuroscience Research Center, INSERM U1028/CNRS UMR 5292, Lyon, France.,Epilepsy Institute, Lyon, France
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50
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Jauniaux J, Tessier MH, Regueiro S, Chouchou F, Fortin-Côté A, Jackson PL. Emotion regulation of others' positive and negative emotions is related to distinct patterns of heart rate variability and situational empathy. PLoS One 2021; 15:e0244427. [PMID: 33382784 PMCID: PMC7774949 DOI: 10.1371/journal.pone.0244427] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 12/09/2020] [Indexed: 01/10/2023] Open
Abstract
Although emotion regulation has been proposed to be crucial for empathy, investigations on emotion regulation have been primarily limited to intrapersonal processes, leaving the interpersonal processes of self-regulation rather unexplored. Moreover, studies showed that emotion regulation and empathy are related with increased autonomic activation. How emotion regulation and empathy are related at the autonomic level, and more specifically during differently valenced social situations remains an open question. Healthy adults viewed a series of short videos illustrating a target who was expressing positive, negative, or no emotions during a social situation (Positive, Negative, or Neutral Social Scenes). Prior to each video, participants were instructed to reappraise their own emotions (Up-regulation, Down-regulation, or No-regulation). To assess autonomic activation, RR intervals (RRI), high frequency (HF) components of heart rate variability (HRV), and electrodermal activity phasic responses (EDRs) were calculated. Situational empathy was measured through a visual analogue scale. Participants rated how empathic they felt for a specific target. Up- and Down-regulation were related to an increase and a decrease in situational empathy and an increase in RRI and HF, respectively, compared to the control condition (No-regulation). This suggests increased activity of the parasympathetic branch during emotion regulation of situational empathic responses. Positive compared to Negative Social Scenes were associated with decreased situational empathy, in addition to a slightly but non-significantly increased HF. Altogether, this study demonstrates that emotion regulation may be associated with changes in situational empathy and autonomic responses, preferentially dominated by the parasympathetic branch and possibly reflecting an increase of regulatory processes. Furthermore, the current study provides evidence that empathy for different emotional valences is associated with distinct changes in situational empathy and autonomic responses.
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Affiliation(s)
- Josiane Jauniaux
- École de Psychologie, Université Laval, Québec, Canada
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Québec, Québec, Canada
- Centre de recherche CERVO, Québec, Québec, Canada
| | - Marie-Hélène Tessier
- École de Psychologie, Université Laval, Québec, Canada
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Québec, Québec, Canada
- Centre de recherche CERVO, Québec, Québec, Canada
| | - Sophie Regueiro
- Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Florian Chouchou
- IRISSE Laboratory (EA4075), UFR SHE, Université de La Réunion, Le Tampon, France
| | - Alexis Fortin-Côté
- École de Psychologie, Université Laval, Québec, Canada
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Québec, Québec, Canada
- Centre de recherche CERVO, Québec, Québec, Canada
| | - Philip L. Jackson
- École de Psychologie, Université Laval, Québec, Canada
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Québec, Québec, Canada
- Centre de recherche CERVO, Québec, Québec, Canada
- * E-mail:
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