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Mao P, Hu H, Li R, Zhang Y, Zhang Y, Li Y, Fan B. Circadian changes of autonomic function in patients with zoster-associated pain: A heart rate variability analysis. Brain Behav 2024; 14:e3489. [PMID: 38688880 PMCID: PMC11061204 DOI: 10.1002/brb3.3489] [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: 07/26/2023] [Revised: 03/25/2024] [Accepted: 04/04/2024] [Indexed: 05/02/2024] Open
Abstract
OBJECTIVE To investigate the circadian changes of the autonomic function in patients with zoster-associated pain (ZAP). METHODS A total of 37 patients with ZAP from April 2022 to October 2022 were enrolled as the observation group, and 37 normal volunteers at the same time were selected as the control group. All participants were required to wear a 24-h Holter, which was used to compare the heart rate variability (HRV) between the two groups. HRV analysis involved time- and frequency-domain parameters. RESULTS There was no statistically significant difference in general information between two groups. Patients with ZAP had an increased mean heart rate and decreased the standard deviation of normal-to-normal (SDNN) R-R interval, the root mean square of the differences (RMSSD) in successive RR interval, low frequency (LF), and high frequency (HF) compared with control groups in all periods (p < .05). The ratio of LF/HF between two groups had no significant difference (p = .245). SDNN had no significant difference between day and night in the control group (p > .05), whereas SDNN of ZAP patients in night period was reduced than that in day period (p < .001). The level of RMSSD during the day was lower than those at night in the control group (p < .05), whereas no significant difference of RMSSD between two periods was observed in patients with ZAP (p > .05). CONCLUSION The results of this study indicated that ZAP contributes to the decline of autonomic nervous system (ANS) function, especially parasympathetic components. The patients with ZAP lost parasympathetic advantage and had a worse ANS during the night.
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Affiliation(s)
- Peng Mao
- Department of Pain MedicineChina‐Japan Friendship HospitalBeijingChina
| | - Hui‐Min Hu
- Graduate School of Beijing University of Chinese MedicineBeijingChina
| | - Ran Li
- Graduate School of Beijing University of Chinese MedicineBeijingChina
| | - Yuan‐Jing Zhang
- Graduate School of Beijing University of Chinese MedicineBeijingChina
| | - Yi Zhang
- Department of Pain MedicineChina‐Japan Friendship HospitalBeijingChina
| | - Yi‐Fan Li
- Department of Pain MedicineChina‐Japan Friendship HospitalBeijingChina
| | - Bi‐Fa Fan
- Department of Pain MedicineChina‐Japan Friendship HospitalBeijingChina
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Coexistence of fibromyalgia syndrome and inflammatory rheumatic diseases, and autonomic cardiovascular system involvement in fibromyalgia syndrome. Clin Rheumatol 2023; 42:645-652. [PMID: 36151442 DOI: 10.1007/s10067-022-06385-8] [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: 08/13/2022] [Revised: 09/16/2022] [Accepted: 09/20/2022] [Indexed: 11/03/2022]
Abstract
The spectrum of symptoms represented by fibromyalgia syndrome (FMS) has a profound effect on daily activities and impairs the quality of life. A considerable proportion of patients with inflammatory rheumatic diseases (IRDs) fulfill the FMS criteria, which can complicate the diagnosis, treatment, and follow-ups of IRD. In addition, the coexistence of FMS may cause unnecessary laboratory and radiological assessments. Several mechanisms have been proposed that may have a role in the etiopathogenesis of FMS, one of which is autonomic dysregulation. In studies evaluating cardiac autonomic dysfunction based on heart rate variability (HRV), there has been found to be a decrease in HRV and dominance of the sympathetic nervous system. Autonomic reactivity reflects modulations of several functions to overcome the existing state and conditions. Blunted autonomic reactivity has been found in some FMS patients, which makes it difficult for these patients to respond appropriately to unexpected stress sources that occur during daily living activities. Baroreceptor signals have an inhibitory influence on the central nervous system, and these impulses cause pain suppression. From this perspective, there are studies that have suggested the involvement of diminished baroreflex sensitivity in the etiology of FMS. The risk of endothelial dysfunction and increased arterial stiffness have been shown to occur in FMS patients due to autonomic dysfunction, sympathetic nervous system dominance, chronic stress, and pain. There is also evidence linking FMS with the risk of atrial and ventricular arrhythmias. Considering all these cardiovascular autonomic dysfunctions, tests that can confirm abnormalities should be performed when suspicion arises. There is a need for specific pharmacological and non-pharmacological treatment alternatives to be identified for subgroups of patients with cardiovascular system abnormalities. Key points • The frequency of FMS accompanying inflammatory rheumatic diseases is considerable and this coexistence leads to troubles in evaluating treatment response and determining appropriate medical treatment options in inflammatory rheumatic diseases. • Various cardiovascular autonomic abnormalities have been described in FMS patients. Among these, the most emphasized are autonomic dysfunction, the disruption of the balance between the sympathetic-parasympathetic nervous systems, blunted autonomic reactivity to acute stress, changes in baroreflex sensitivity, increased arterial stiffness, and electrophysiological alterations. • Autonomic cardiovascular dysfunction may be involved in the complex etiopathogenesis of the fibromyalgia syndrome and may trigger at least some symptoms.
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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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Galosi E, Truini A, Di Stefano G. A Systematic Review and Meta-Analysis of the Prevalence of Small Fibre Impairment in Patients with Fibromyalgia. Diagnostics (Basel) 2022; 12:diagnostics12051135. [PMID: 35626288 PMCID: PMC9139885 DOI: 10.3390/diagnostics12051135] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/21/2022] [Accepted: 04/28/2022] [Indexed: 12/30/2022] Open
Abstract
Converging evidence shows that patients with fibromyalgia syndrome have signs of small fibre impairment, possibly leading to pain and autonomic symptoms, with a frequency that has not yet been systematically evaluated. To fill this gap, our review aims to define the frequency of somatic and autonomic small fibre damage in patients with fibromyalgia syndrome, as assessed by objective small fibre-related testing. We found 360 articles on somatic and autonomic small fibre assessment in patients with fibromyalgia. Out of the 88 articles assessed for eligibility, 20 were included in the meta-analysis, involving 903 patients with fibromyalgia. The estimated prevalence of somatic small fibre impairment, as assessed with skin biopsy, corneal confocal microscopy, and microneurography, was 49% (95% confidence interval (CI): 39–60%, I2 = 89%), whereas the estimated prevalence of autonomic small fibre impairment, as assessed with heart rate variability, sympathetic skin response, skin conductance, and tilt testing, was 45% (95% CI: 25–65%, I2 = 91%). Our study shows that a considerable proportion of patients with fibromyalgia have somatic and autonomic small fibre impairment, as assessed by extensive small fibre-related testing. Nevertheless, the heterogeneity and inconsistencies across studies challenge the exact role of small fibre impairment in fibromyalgia symptoms.
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Scoping review of the association between postsurgical pain and heart rate variability parameters. Pain Rep 2021; 6:e977. [PMID: 35155967 PMCID: PMC8824397 DOI: 10.1097/pr9.0000000000000977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/07/2021] [Accepted: 10/13/2021] [Indexed: 11/26/2022] Open
Abstract
Supplemental Digital Content is Available in the Text. This scoping review provides some evidence of a possible association between heart rate variability and postsurgical pain, although significant variability exists among included studies. Surgical interventions can elicit neuroendocrine and sympathovagal responses, leading to cardiac autonomic imbalance. Cardiac complications account for approximately 30% of postoperative complications. Altered heart rate variability (HRV) was initially described in the 1970s as a predictor of acute coronary syndromes and has more recently been shown to be an independent predictor of postoperative morbidity and mortality after noncardiac surgery. In general, HRV reflects autonomic balance, and altered HRV measures have been associated with anesthetic use, chronic pain conditions, and experimental pain. Despite the well-documented relationship between altered HRV and postsurgical outcomes and various pain conditions, there has not been a review of available evidence describing the association between postsurgical pain and HRV. We examined the relationship between postsurgical pain and HRV. MEDLINE and EMBASE databases were searched until December 2020 and included all studies with primary data. Two reviewers independently assessed risk of bias for each study using the criteria outlined in the Cochrane Handbook for Systematic Review of Interventions. A total of 8 studies and 1002 participants were included. Studies examined the association of postsurgical pain and HRV or analgesia nociception index derived from HRV. There was a statistically significant association between HRV measures and postsurgical pain in 6 of 8 studies. Heterogeneity of studies precluded meta-analyses. No studies reported cardiovascular outcomes. There is a potential association between postsurgical pain and HRV or analgesia nociception index, although results are likely impacted by confounding variables. Future studies are required to better delineate the relationship between postsurgical pain and HRV and impacts on cardiovascular outcomes.
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Ruschil V, Mazurak N, Hofmann M, Loskutova E, Enck P, Freilinger T, Weimer K. Decreased Autonomic Reactivity and Psychiatric Comorbidities in Neurological Patients With Medically Unexplained Sensory Symptoms: A Case-Control Study. Front Neurol 2021; 12:713391. [PMID: 34557148 PMCID: PMC8453010 DOI: 10.3389/fneur.2021.713391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 07/30/2021] [Indexed: 12/12/2022] Open
Abstract
Up to 48% of patients with medically unexplained symptoms seen in neurological practice suffer from sensory symptoms, which could be of functional nature or secondary to psychiatric disorders. These patients show high medical care utilization causing elevated healthcare costs. Despite the high prevalence, little is known about clinical characteristics and pathophysiological mechanisms. For functional disorders such as irritable bowel syndrome, a reduction of heart rate variability (HRV) has been shown, suggesting a dysfunction of the autonomic nervous system (ANS). The aim of this study was to investigate psychological data and functional changes of the ANS in patients with medically unexplained sensory symptoms (MUSS). In this exploratory pilot study, 16 patients (11 females, 31.6 ± 11.9 years) with MUSS, who were recruited at a single tertiary neurological center, underwent a structured clinical interview (SCID) to evaluate psychiatric comorbidities. Patients and age- and sex-matched healthy volunteers filled in questionnaires, and individual sensory thresholds (perception, pain) were detected by quantitative sensory testing (QST). HRV was assessed at baseline and under three different experimental conditions (tonic pain stimulus, placebo application, cold-face test). All tests were repeated after 6–8 weeks. SCID interviews revealed clinical or subclinical diagnoses of psychiatric comorbidities for 12 patients. Questionnaires assessing somatization, depression, anxiety, and perceived stress significantly discriminated between patients with MUSS and healthy controls. While there was no difference in QST, reduced ANS reactivity was found in patients during experimental conditions, particularly with regard to vagally mediated HRV. Our pilot study of neurological patients with MUSS reveals a high prevalence of psychiatric comorbidities and provides evidence for altered ANS function. Our data thus give insight in possible underlying mechanisms for these symptoms and may open the door for a better diagnostic and therapeutic approach for these patients in the future.
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Affiliation(s)
- Victoria Ruschil
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.,Department of Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany
| | - Nazar Mazurak
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Hospital Tübingen, Tübingen, Germany
| | - Martin Hofmann
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Hospital Tübingen, Tübingen, Germany
| | - Ekaterina Loskutova
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Hospital Tübingen, Tübingen, Germany
| | - Paul Enck
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Hospital Tübingen, Tübingen, Germany
| | - Tobias Freilinger
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.,Department of Neurology, Klinikum Passau, Passau, Germany
| | - Katja Weimer
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Hospital Tübingen, Tübingen, Germany.,Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, Ulm, Germany
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Impaired Mitochondrial Bioenergetics Function in Pediatric Chronic Overlapping Pain Conditions with Functional Gastrointestinal Disorders. Pain Res Manag 2021; 2021:6627864. [PMID: 34426756 PMCID: PMC8380178 DOI: 10.1155/2021/6627864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 07/21/2021] [Accepted: 08/06/2021] [Indexed: 12/12/2022]
Abstract
Background Fatigue is often the primary complaint of children with functional gastrointestinal disorders (FGDI) and other chronic overlapping pain disorders (COPC). The basis for this symptom remains unknown. We evaluated mitochondrial function in the white blood cells of these patients. Methods This prospective Children's Wisconsin IRB approved study recruited subjects aging 10–18 years from pediatric neurogastroenterology clinics and healthy comparison subjects (HC). Environmental and oxidative stressors can damage the mitochondrial respiratory chain. The known low-grade inflammation in COPC could, therefore, impact the respiratory chain and theoretically account for the disabling fatigue so often voiced by patients. Mitochondrial energy generation can be easily measured in peripheral mononuclear cells (PMC) as a general marker by the Seahorse XF96 Extracellular Flux Analyzer. We measured 5 parameters of oxygen consumption using this methodology: basal respiration (BR), ATP linked oxygen consumption (ATP-LC), maximal oxygen consumption rate (max R), spare respiratory capacity (SRC), and extracellular acidification rate (ECAR), which reflect non-electron chain energy generation through glycolysis. In health, we expect high ATP linked respiration, high reserve capacity, low proton leak, and low non-mitochondrial respiration. In disease, the proton leak typically increases, ATP demand increases, and there is decreased reserve capacity with increased non-mitochondrial respiration. Findings and clinical data were compared to healthy control subjects using a Mann–Whitney test for skewed variables, Fisher's exact test for dichotomous variables, and regression tree for association with functional outcome (functional disability inventory, FDI). Results 19 HC and 31 COPC showed no statistically significant difference in age. FGID, orthostatic intolerance, migraine, sleep disturbance, and chronic fatigue were present in the majority of COPC subjects. BR, ECAR, and ATP-LC rates were lower in the COPC group. The low BR and ATP-LC suggest that mitochondria are stressed with decreased ability to produce ATP. Tree analysis selected SRC as the best predictor of functional disability: patients with SRC >150 had a greater FDI (more disability) compared to patients with SRC <=150, p-value = 0.021. Conclusion Subjects with COPC have reduced mitochondrial capacity to produce ATP. Predisposing genetic factors or reversible acquired changes may be responsible. A higher SRC best predicts disability. Since a higher SRC is typically associated with more mitochondrial reserve, the SRC may indicate an underutilized available energy supply related to inactivity, or a “brake” on mitochondrial function. Prospective longitudinal studies can likely discern whether these findings represent deconditioning, true mitochondrial dysfunction, or both.
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Chaves ACS, Reis FJJ, Bandeira PM, Fernandes O, Arruda Sanchez T. Autonomic dysregulation and impairments in the recognition of facial emotional expressions in patients with chronic musculoskeletal pain. Scand J Pain 2021; 21:530-538. [PMID: 33725753 DOI: 10.1515/sjpain-2020-0132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 01/12/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Emotions are involved in the identification of safety cues in the environment, and are also related to social interaction through recognition of emotional facial expressions. Heart rate variability (HRV) can be an indicator of the adaptive response of the autonomic nervous system to stressful conditions, including pain. This study aimed to investigate the emotional processing in a sample of patients with chronic musculoskeletal by measuring the resting-state HRV and the ability to recognize facial emotion expressions. METHODS This cross-sectional study was composed of 40 participants with chronic musculoskeletal pain and 40 asymptomatic participants. Resting HRV was measured for 10 min. The facial emotion recognition task was presented in videos and included modification from a neutral expression to faces of fear, anger, sadness, happiness, and disgust. For the facial emotion recognition task, the hit rate (%) and response time for each emotional category were measured. RESULTS The symptomatic group had a mean high frequency (HF) lower (mean = 34.14; SD = 16.95; p<0.001) than the asymptomatic group (mean = 51.11; SD = 13.01; p<0.001). The emotional facial expressions of disgust (H (1, 80)=7.82; p<0.01), anger (H (1, 80)=13.56; p<0.01), sadness (H (1, 80)=6.58; p=0.01), and happiness (H (1, 80)=12.68; p<0.01) were those for which volunteers from the symptomatic group had a lower hit rate of correct answers compared to the asymptomatic group. The response time to corrected answers showed a major group effect (F (1.77)=21.11; p<0.001) and emotional category (F (4.308)=174.21; p<0.001), without presenting any interaction between the factors (F (4.308)=0.446; p=0.775). The symptomatic group was slower to perform the task of identifying facial emotional expression (7.066 s; SD = 1.188) than the participants in the asymptomatic group (6.298 s; SD = 1.203) for all emotional categories. CONCLUSIONS Participants with chronic musculoskeletal pain presented a lower vagal activity evidenced by HRV. Participants in the symptomatic group showed lower ability to recognize faces of disgust, anger, and sadness when compared to asymptomatic participants. Considering that individuals with low resting HF-HRV have difficulties with regulating their emotions, the lower vagal activity and lower ability to recognize faces of emotional expressions observed in chronic musculoskeletal pain may suggest alterations in emotional processing. This study may shed light on changes in the emotional processing and in the autonomic nervous system in this population.
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Affiliation(s)
- Anna C S Chaves
- Postgraduate Program in Medicine (Cardiology), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Felipe J J Reis
- Postgraduate Program in Medicine (Cardiology), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Pamela M Bandeira
- Postgraduate Program in Medicine (Cardiology), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Orlando Fernandes
- Postgraduate Program in Radiology, Department of Radiology, Faculty of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Tiago Arruda Sanchez
- Postgraduate Program in Medicine (Cardiology), Department of Radiology, Faculty of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
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So V, Klar G, Leitch J, McGillion M, Devereaux PJ, Arellano R, Parlow J, Gilron I. Association between postsurgical pain and heart rate variability: protocol for a scoping review. BMJ Open 2021; 11:e044949. [PMID: 33849852 PMCID: PMC8051399 DOI: 10.1136/bmjopen-2020-044949] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION Surgical interventions can elicit neuroendocrine responses and sympathovagal imbalance, ultimately affecting cardiac autonomic function. Cardiac complications account for 30% of postoperative complications and are the leading cause of morbidity and mortality following non-cardiac surgery. One cardiovascular parameter, heart rate variability (HRV), has been found to be predictive of postoperative morbidity and mortality. HRV is defined as variation in time intervals between heartbeats and is affected by cardiac autonomic balance. Furthermore, altered HRV has been shown to predict cardiovascular events in non-surgical settings. In multiple studies, experimentally induced pain in healthy humans leads to reduced HRV suggesting a causal relationship. In a different studies, chronic pain has been associated with altered HRV, however, in the setting of clinical pain conditions, it remains unclear how much HRV impairment is due to pain itself versus autonomic changes related to analgesia. We aim to review the available evidence describing the association between postsurgical pain and HRV alterations in the early postoperative period. METHODS AND ANALYSIS We will conduct a scoping review of relevant studies using detailed searches of MEDLINE and EMBASE, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. Included studies will involve participants undergoing non-cardiac surgery and investigate outcomes of (1) measures of pain intensity; (2) measures of HRV and (3) statistical assessment of association between #1 and #2. As secondary review outcomes included studies will also be examined for other cardiovascular events and for their attempts to control for analgesic treatment and presurgical HRV differences among treatment groups in the analysis. This work aims to synthesise available evidence to inform future research questions related to postsurgical pain and cardiac complications. ETHICS AND DISSEMINATION Ethics review and approval is not required for this review. The results will be submitted for publication in peer-reviewed journals.
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Affiliation(s)
- Vincent So
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
| | - Gregory Klar
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
| | - Jordan Leitch
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
| | - Michael McGillion
- School of Nursing, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - P J Devereaux
- Division of Cardiology, Medicine, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
| | - Ramiro Arellano
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
| | - Joel Parlow
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Biomedical and Molecular Sciences, Queen's University Faculty of Health Sciences, Kingston, Ontario, Canada
| | - Ian Gilron
- Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Biomedical and Molecular Sciences, Centre for Neuroscience Studies, Queen's University Faculty of Health Sciences, Kingston, Ontario, Canada
- School of Policy Studies, Queen's University, Kingston, Ontario, Canada
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Heart rate variability in patients with somatic symptom disorders and functional somatic syndromes: A systematic review and meta-analysis. Neurosci Biobehav Rev 2020; 112:336-344. [DOI: 10.1016/j.neubiorev.2020.02.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/19/2020] [Accepted: 02/08/2020] [Indexed: 01/11/2023]
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Chelimsky G, Rausch S, Bierer D, Feng M, Simpson P, Awe E, Chelimsky T. Cardiovagal modulation in pediatric functional gastrointestinal disorders. Neurogastroenterol Motil 2019; 31:e13564. [PMID: 30916860 DOI: 10.1111/nmo.13564] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 12/21/2018] [Accepted: 01/11/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND OBJECTIVES Though reduced cardiovagal modulation accompanies adult IBS, adolescents with functional gastrointestinal disorders (FGID) have not been studied. We aim to investigate whether adolescents with FGID have reduced cardiovagal modulation. METHODS After 10-minute supine rest, we recorded ECG for 5-minute supine and 5-minute standing without support in healthy and FGID-affected adolescents. After analysis with Kubios 2.2 for high-frequency (hf) and low-frequency (lf) heart rate variability (HRV), Wilcoxon signed-ranks test compared individual paired supine and standing HRV data, while Kruskal-Wallis and Mann-Whitney U tests compared HRV across groups. RESULTS A total of 50 FGID subjects (90% females; median age 17 years [range 11-21]) and 22 healthy comparison group (HC) (59% females; median age 14 years [range 10-18]) participated. Both absolute and relative supine hfHRV exceeded standing in both groups. Absolute supine lfHRV was higher than standing in FGID patients and not in HCs, while relative supine lfHRV power was actually lower in both groups. Compared to HC, FGID group showed significantly lower absolute HRV, while relative HRV did not differ between groups. CONCLUSIONS Cardiovagal modulation is lower in adolescents with FGID. This difference impacts these subjects significantly. Whether this finding reflects a cause or a consequence of FGID is unknown.
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Affiliation(s)
- Gisela Chelimsky
- Division of Gastroenterology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Sydnee Rausch
- Division of Gastroenterology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Douglas Bierer
- Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Mingen Feng
- Division of Quanitative Health Sciences, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Pippa Simpson
- Division of Quanitative Health Sciences, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Elizabeth Awe
- Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Thomas Chelimsky
- Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin
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Sleep disturbances and sleep disorders in adults living with chronic pain: a meta-analysis. Sleep Med 2018; 52:198-210. [DOI: 10.1016/j.sleep.2018.05.023] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/01/2018] [Accepted: 05/24/2018] [Indexed: 11/23/2022]
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Noncontact Sleep Study by Multi-Modal Sensor Fusion. SENSORS 2017; 17:s17071685. [PMID: 28753994 PMCID: PMC5539697 DOI: 10.3390/s17071685] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 07/14/2017] [Accepted: 07/20/2017] [Indexed: 11/17/2022]
Abstract
Polysomnography (PSG) is considered as the gold standard for determining sleep stages, but due to the obtrusiveness of its sensor attachments, sleep stage classification algorithms using noninvasive sensors have been developed throughout the years. However, the previous studies have not yet been proven reliable. In addition, most of the products are designed for healthy customers rather than for patients with sleep disorder. We present a novel approach to classify sleep stages via low cost and noncontact multi-modal sensor fusion, which extracts sleep-related vital signals from radar signals and a sound-based context-awareness technique. This work is uniquely designed based on the PSG data of sleep disorder patients, which were received and certified by professionals at Hanyang University Hospital. The proposed algorithm further incorporates medical/statistical knowledge to determine personal-adjusted thresholds and devise post-processing. The efficiency of the proposed algorithm is highlighted by contrasting sleep stage classification performance between single sensor and sensor-fusion algorithms. To validate the possibility of commercializing this work, the classification results of this algorithm were compared with the commercialized sleep monitoring device, ResMed S+. The proposed algorithm was investigated with random patients following PSG examination, and results show a promising novel approach for determining sleep stages in a low cost and unobtrusive manner.
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Liu S, Teng J, Qi X, Wei S, Liu C. Comparison between heart rate variability and pulse rate variability during different sleep stages for sleep apnea patients. Technol Health Care 2017; 25:435-445. [DOI: 10.3233/thc-161283] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Shuangyan Liu
- Institute of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan 250061, Shandong, China
| | - Jing Teng
- Department of Internal Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250011, Shandong, China
| | - Xianghua Qi
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250061, Shandong, China
| | - Shoushui Wei
- Institute of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan 250061, Shandong, China
| | - Chengyu Liu
- Institute of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan 250061, Shandong, China
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Wu YL, Chang LY, Lee HC, Fang SC, Tsai PS. Sleep disturbances in fibromyalgia: A meta-analysis of case-control studies. J Psychosom Res 2017; 96:89-97. [PMID: 28545798 DOI: 10.1016/j.jpsychores.2017.03.011] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 03/19/2017] [Accepted: 03/22/2017] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Sleep disturbances are common in fibromyalgia, but the features of sleep disturbances are not well understood. We performed a systematic review and meta-analysis of case-control studies to compare the sleep outcomes of individuals with fibromyalgia and healthy controls. METHODS We systematically searched eight databases (PubMed, Ovid MEDLINE, Embase, CINAHL, PsycINFO, Web of Science, Airiti Library and Wanfang Data) for articles published before April 2016. RESULTS Twenty-five case-controlled studies and a total of 2086 participants were included in the meta-analysis. Sleep was assessed using polysomnography and the Pittsburgh Sleep Quality Index. When sleep was assessed using polysomnography (19 studies), significant differences were observed in wake time after sleep onset (g=0.81, 95% confidence interval [CI] 0.21-1.41), total sleep time (g=-0.78, 95% CI=-1.34 to -0.15), sleep efficiency (g=-0.78, 95% CI=-1.23 to -0.32), percentage of stage 1 sleep (g=0.55, 95% CI=0.15-0.95), and percentage of slow-wave sleep (g=-0.66, 95% CI=-1.21 to -0.12) between participants with fibromyalgia and healthy controls. When sleep was assessed using the Pittsburgh Sleep Quality Index (7 studies), significant differences were observed in global scores (g=2.19, 95% CI 1.58-2.79), sleep onset latency (g=1.75, 95% CI 0.80-2.70), and sleep efficiency (g=-1.08, 95% CI -1.65 to -0.51) between participants with fibromyalgia and healthy controls. CONCLUSION Individuals with fibromyalgia experience lower sleep quality and sleep efficiency; longer wake time after sleep onset, short sleep duration, and light sleep when objectively assessed and more difficulty in initiating sleep when subjectively assessed. Sleep difficulties in fibromyalgia appear to be more when reported subjectively than when assessed objectively. COMPLIANCE WITH ETHICAL STANDARDS This study received no funding from any source. All authors declare that they have no conflict of interest. This article does not contain any studies with human participants performed by any of the authors.
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Affiliation(s)
- Yu-Lin Wu
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Ling-Yin Chang
- Division of Child Health Research, Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan
| | - Hsin-Chien Lee
- Department of Psychiatry, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Research Center of Sleep Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Department of Psychiatry, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Su-Chen Fang
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Pei-Shan Tsai
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan; Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan.
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17
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Koenig J, Jarczok MN, Fischer JE, Thayer JF. The Association of (Effective and Ineffective) Analgesic Intake, Pain Interference and Heart Rate Variability in a Cross-Sectional Occupational Sample. PAIN MEDICINE 2015; 16:2261-70. [DOI: 10.1111/pme.12825] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 05/04/2015] [Accepted: 05/06/2015] [Indexed: 02/03/2023]
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18
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Effects of Chronic Pelvic Pain on Heart Rate Variability in Women. J Urol 2015; 194:1289-94. [DOI: 10.1016/j.juro.2015.04.101] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2015] [Indexed: 01/06/2023]
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Bjurstrom MF, Irwin MR. Polysomnographic characteristics in nonmalignant chronic pain populations: A review of controlled studies. Sleep Med Rev 2015; 26:74-86. [PMID: 26140866 DOI: 10.1016/j.smrv.2015.03.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 03/25/2015] [Accepted: 03/26/2015] [Indexed: 12/18/2022]
Abstract
Sleep and pain are critical homeostatic systems that interact in a bidirectional manner. Complaints of sleep disturbance are ubiquitous among patients with chronic pain disorders, and conversely, patients with persistent insomnia symptoms commonly report suffering from chronic pain. Sleep deprivation paradigms demonstrate that partial or complete sleep loss induce hyperalgesia, possibly due to shared mechanistic pathways including neuroanatomic and molecular substrates. Further, chronic pain conditions and sleep disturbances are intertwined through comorbidities, which together cause detrimental psychological and physical consequences. This critical review examines 29 polysomnography studies to evaluate whether nonmalignant chronic pain patients, as compared to controls, show differences in objective measures of sleep continuity and sleep architecture. Whereas these controlled studies did not reveal a consistent pattern of objective sleep disturbances, alterations of sleep continuity were commonly reported. Alterations of sleep architecture such as increases in light sleep or decreases in slow-wave sleep were less commonly reported and findings were mixed and also inconsistent. Methodological flaws were identified, which complicated interpretation and limited conclusions; hence, recommendations for future research are suggested. Knowledge of abnormalities in the sleep process has implications for understanding the pathophysiology of chronic pain conditions, which might also direct the development of novel intervention strategies.
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Affiliation(s)
- Martin F Bjurstrom
- Cousins Center for Psychoneuroimmunology, UCLA Semel Institute for Neuroscience and Human Behavior, Los Angeles, USA.
| | - Michael R Irwin
- Cousins Center for Psychoneuroimmunology, UCLA Semel Institute for Neuroscience and Human Behavior, Los Angeles, USA
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20
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Cowen R, Stasiowska MK, Laycock H, Bantel C. Assessing pain objectively: the use of physiological markers. Anaesthesia 2015; 70:828-47. [PMID: 25772783 DOI: 10.1111/anae.13018] [Citation(s) in RCA: 128] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2015] [Indexed: 12/14/2022]
Abstract
Pain diagnosis and management would benefit from the development of objective markers of nociception and pain. Current research addressing this issue has focused on five main strategies, each with its own advantages and disadvantages. These encompass: (i) monitoring changes in the autonomic nervous system; (ii) biopotentials; (iii) neuroimaging; (iv) biological (bio-) markers; and (v) composite algorithms. Although each strategy has shown areas of promise, there are currently no validated objective markers of nociception or pain that can be recommended for clinical use. This article introduces the most important developments in the field and highlights shortcomings, with the aim of allowing the reader to make informed decisions about what trends to watch in the future.
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Affiliation(s)
- R Cowen
- Chelsea and Westminster NHS Foundation Trust, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital Campus, London, UK
| | - M K Stasiowska
- National Hospital for Neurology and Neurosurgery, Queen Square, London, UK
| | - H Laycock
- Chelsea and Westminster NHS Foundation Trust, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital Campus, London, UK
| | - C Bantel
- Chelsea and Westminster NHS Foundation Trust, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital Campus, London, UK
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Koenig J, Jarczok MN, Ellis RJ, Warth M, Hillecke TK, Thayer JF. Lowered Parasympathetic Activity in Apparently Healthy Subjects with Self-Reported Symptoms of Pain: Preliminary Results from a Pilot Study. Pain Pract 2014; 15:314-8. [DOI: 10.1111/papr.12177] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 12/14/2013] [Indexed: 11/30/2022]
Affiliation(s)
- Julian Koenig
- School of Therapeutic Sciences; SRH University Heidelberg; Heidelberg Germany
| | - Marc N. Jarczok
- Mannheim Institute of Public Health, Social and Preventive Medicine; Mannheim Medical Faculty; Heidelberg University; Mannheim Germany
| | - Robert J. Ellis
- Department of Neurology; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts U.S.A
| | - Marco Warth
- School of Therapeutic Sciences; SRH University Heidelberg; Heidelberg Germany
| | - Thomas K. Hillecke
- School of Therapeutic Sciences; SRH University Heidelberg; Heidelberg Germany
| | - Julian F. Thayer
- Department of Psychology; The Ohio State University; Columbus Ohio U.S.A
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22
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Hallman DM, Ekman AH, Lyskov E. Changes in physical activity and heart rate variability in chronic neck–shoulder pain: monitoring during work and leisure time. Int Arch Occup Environ Health 2013; 87:735-44. [DOI: 10.1007/s00420-013-0917-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 10/15/2013] [Indexed: 11/24/2022]
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23
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Koenig J, Jarczok M, Ellis R, Hillecke T, Thayer J. Heart rate variability and experimentally induced pain in healthy adults: A systematic review. Eur J Pain 2013; 18:301-14. [DOI: 10.1002/j.1532-2149.2013.00379.x] [Citation(s) in RCA: 124] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2013] [Indexed: 12/30/2022]
Affiliation(s)
- J. Koenig
- School of Therapeutic Sciences; SRH University; Heidelberg Germany
| | - M.N. Jarczok
- Mannheim Institute of Public Health; Social and Preventive Medicine; Mannheim Medical Faculty; Heidelberg University; Mannheim Germany
| | - R.J. Ellis
- Department of Neurology; Beth Israel Deaconess Medical Center and Harvard Medical School; Boston USA
| | - T.K. Hillecke
- School of Therapeutic Sciences; SRH University; Heidelberg Germany
| | - J.F. Thayer
- Department of Psychology; The Ohio State University; Columbus USA
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Westgaard RH, Mork PJ, Lorås HW, Riva R, Lundberg U. Trapezius activity of fibromyalgia patients is enhanced in stressful situations, but is similar to healthy controls in a quiet naturalistic setting: a case-control study. BMC Musculoskelet Disord 2013; 14:97. [PMID: 23506457 PMCID: PMC3606617 DOI: 10.1186/1471-2474-14-97] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Accepted: 03/13/2013] [Indexed: 11/21/2022] Open
Abstract
Background Muscle activity and pain development of fibromyalgia (FM) patients in response to mental stress show inconsistent results, when compared to healthy controls (HCs). A possible reason for the inconsistent results is the large variation in stress exposures in different studies. This study compares muscle responses of FM patients and HCs for different modes and levels of imposed stress, to elucidate features in stress exposures that distinguish stress responses of FM patients from HCs. Methods Upper trapezius (clavicular and acromial fibers), deltoid, and biceps surface electromyographic (sEMG) activity was recorded in FM patients (n=26) and HCs (n=25). Heart rate (HR) was recorded and used as indicator of autonomic activation. Tests included inspiratory breath holding (sympathetic activation procedure), mental stress tests (color-word test and backward counting; 28 min), instructed rest prior to stress test (30 min TV watching), and controlled arm movement. sEMG and HR was also recorded during an unrestrained evening stay at a patient hotel. The 5-min period with lowest trapezius muscle activity was determined. Pain (shoulder/neck, low back pain) and perceived tension were scored on VAS scales at the start and the end of the stress test and at bedtime. Results Trapezius sEMG responses of FM patients were significantly higher than HCs during sympathetic activation, mental stress, and instructed rest, but similar during arm movement and unrestrained evening activity. HR of FM patients and HCs was similar during mental stress and in the evening, including the 5-min period with lowest trapezius activity. Muscle activity of FM patients during the stress test (with shoulder/neck pain development) and the evening stay (no pain development) was similar. Conclusions FM patients show elevated muscle activity (in particular trapezius activity) in situations with imposed stress, including sympathetic activation, and putative anticipatory stress. Muscle activity and HR were similar to HCs in instructed arm movement and in a situation approaching low-stress daily living. Pain development of FM patients during the stress test may be due to activation of several stress-associated physiological systems, and not obviously caused by muscle activity in isolation.
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Affiliation(s)
- Rolf Harald Westgaard
- Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, Trondheim, Norway.
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