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Carandina A, Lazzeri G, Rodrigues GD, Franco G, Monfrini E, Arienti F, Frattini E, Trezzi I, da Silva Soares PP, Bellocchi C, Furlan L, Montano N, Di Fonzo A, Tobaldini E. Dysautonomia in Parkinson’s Disease: Impact of Glucocerebrosidase Gene Mutations on Cardiovascular Autonomic Control. Front Neurosci 2022; 16:842498. [PMID: 35368256 PMCID: PMC8964968 DOI: 10.3389/fnins.2022.842498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/21/2022] [Indexed: 12/20/2022] Open
Abstract
Evidence from clinical practice suggests that PD patients with the Glucocerebrosidase gene mutations (GBA-PD) are characterized by more severe dysautonomic symptoms than patients with idiopathic PD (iPD). Therefore, an accurate assessment of cardiovascular autonomic control (CAC) is necessary to clarify the role of GBA mutations in the pathophysiology of PD. We evaluated the CAC at rest and during orthostatic challenge of 15 iPD, 15 GBA-PD and 15 healthy controls (CTR). ECG and respiration were recorded in supine position and during active standing. The analysis of Heart Rate Variability (HRV) was performed on ECG recordings using two different approaches, linear spectral analysis and non-linear symbolic analysis. GBA-PD patients presented more frequently an akinetic-rigid phenotype and cognitive dysfunction than iPD patients. Both iPD and GBA-PD group were characterized by a lower spectral HRV than CTR group. At rest, the GBA-PD group was characterized by a lower parasympathetic modulation and a shift of the sympathovagal balance toward a sympathetic predominance compared to the CTR group. Moreover, the GBA-PD patients presented a lower HR increment and a lower or absent reduction of the vagal modulation in response to the active standing than iPD patients. Lastly, the cardiovascular autonomic dysfunction in PD patients was associated with longer disease duration, and with the occurrence of REM sleep behavior disorder and constipation. Our findings suggest a more severe impairment of the CAC in PD patients with GBA mutations. These results and further studies on the role of GBA mutations could allow a stratification based on cardiovascular risk in PD patients and the implementation of specific prevention programs.
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Affiliation(s)
- Angelica Carandina
- Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Giulia Lazzeri
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Gabriel Dias Rodrigues
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
- Laboratory of Experimental and Applied Exercise Physiology, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Giulia Franco
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Edoardo Monfrini
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Federica Arienti
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Emanuele Frattini
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Ilaria Trezzi
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Pedro Paulo da Silva Soares
- Laboratory of Experimental and Applied Exercise Physiology, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Chiara Bellocchi
- Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Ludovico Furlan
- Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Nicola Montano
- Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Alessio Di Fonzo
- Neurology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Centro Dino Ferrari, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Eleonora Tobaldini
- Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
- *Correspondence: Eleonora Tobaldini,
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Heart Rate Variability Analyses in Parkinson's Disease: A Systematic Review and Meta-Analysis. Brain Sci 2021; 11:brainsci11080959. [PMID: 34439578 PMCID: PMC8394422 DOI: 10.3390/brainsci11080959] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/11/2021] [Accepted: 07/16/2021] [Indexed: 12/16/2022] Open
Abstract
Recent evidence suggests that the vagus nerve and autonomic dysfunction play an important role in the pathogenesis of Parkinson's disease. Using heart rate variability analysis, the autonomic modulation of cardiac activity can be investigated. This meta-analysis aims to assess if analysis of heart rate variability may indicate decreased parasympathetic tone in patients with Parkinson's disease. The MEDLINE, EMBASE and Cochrane Central databases were searched on 31 December 2020. Studies were included if they: (1) were published in English, (2) analyzed idiopathic Parkinson's disease and healthy adult controls, and (3) reported at least one frequency- or time-domain heart rate variability analysis parameter, which represents parasympathetic regulation. We included 47 studies with 2772 subjects. Random-effects meta-analyses revealed significantly decreased effect sizes in Parkinson patients for the high-frequency spectral component (HFms2) and the short-term measurement of the root mean square of successive normal-to-normal interval differences (RMSSD). However, heterogeneity was high, and there was evidence for publication bias regarding HFms2. There is some evidence that a more advanced disease leads to an impaired parasympathetic regulation. In conclusion, short-term measurement of RMSSD is a reliable parameter to assess parasympathetically impaired cardiac modulation in Parkinson patients. The measurement should be performed with a predefined respiratory rate.
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Short-term deceleration capacity of heart rate: a sensitive marker of cardiac autonomic dysfunction in idiopathic Parkinson's disease. Clin Auton Res 2021; 31:729-736. [PMID: 34251546 DOI: 10.1007/s10286-021-00815-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 06/22/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Cardiac autonomic dysfunction in idiopathic Parkinson's disease (PD) manifests as reduced heart rate variability (HRV). In the present study, we explored the deceleration capacity of heart rate (DC) in patients with idiopathic PD, an advanced HRV marker that has proven clinical utility. METHODS Standard and advanced HRV measures derived from 7-min electrocardiograms in 20 idiopathic PD patients and 27 healthy controls were analyzed. HRV measures were compared using regression analysis, controlling for age, sex, and mean heart rate. RESULTS Significantly reduced HRV was found only in the subcohort of PD patients older than 60 years. Low- frequency power and global HRV measures were lower in patients than in controls, but standard beat-to-beat HRV markers (i.e., rMSSD and high-frequency power) were not significantly different between groups. DC was significantly reduced in the subcohort of PD patients older than 60 years compared to controls. CONCLUSIONS Deceleration-related oscillations of HRV were significantly reduced in the older PD patients compared to healthy controls, suggesting that short-term DC may be a sensitive marker of cardiac autonomic dysfunction in PD. DC may be complementary to traditional markers of short-term HRV for the evaluation of autonomic modulation in PD. Further study to examine the association between DC and cardiac adverse events in PD is needed to clarify the clinical relevance of DC in this population.
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van Wamelen DJ, Urso D, Ray Chaudhuri K. How Time Rules: Diurnal Motor Patterns in de novo Parkinson’s Disease. JOURNAL OF PARKINSONS DISEASE 2021; 11:695-702. [DOI: 10.3233/jpd-202352] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Background: Several small-scale studies have shown that motor performance in Parkinson’s disease (PD) fluctuates throughout the day. Studies specifically focusing on de novo patients are, however, lacking. Objective: To evaluate the effect of clock time on motor performance in de novo drug-naïve patients with PD. Methods: We retrieved MDS-UPDRS III scores for 421 de novo PD patients from the PPMI cohort and stratified them into three groups based on time of assessment: group 1) 7:00–10:00; group 2) 10:00–13:00, and group 3) 13:00–18:00. Groups were compared using Kruskal-Wallis test and results corrected for multiple testing. In addition, we obtained 27 wearable sensor reports, objectively capturing bradykinesia scores in a home setting over a 6-day continuous period, in 12 drug-naïve patients from the Parkinson’s Kinetigraph Registry held at King’s College Hospital London. Time spent in severe bradykinesia scores were broken down into five daytime (06:00–21:00) three-hourly epochs and scores compared using the Friedman test. Results: There were no group differences in demographic or other clinical variables for the cross-sectional analysis. MDS-UPDRS III total scores worsened significantly during the course of the day (median 18 (group 1); 20 (group 2); and 23 (group 3); p = 0.001). In the longitudinal wearable sensor cohort, diurnal variations were present in percentage of time spent in severe bradykinesia (p < 0.001) with the lowest percentage during the 09:00–12:00 epoch (69.56±16.68%), when most patients are awake and start daily activity, and the highest percentage during the 18:00–21:00 epoch (73.58±16.35%). Conclusion: This exploratory study shows the existence of a diurnal pattern of motor function in patients with de novo PD. The results obtained were corroborated by objective measurements in a small longitudinal cohort confirming a similar diurnal motor score variation.
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Affiliation(s)
- Daniel J. van Wamelen
- King’s College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, De Crespigny Park, London, United Kingdom
- Parkinson Foundation Centre of Excellence, King’s College Hospital, Denmark Hill, London, United Kingdom
- Radboud University Medical Centre; Donders Institute for Brain, Cognition and Behaviour; department of neurology; Nijmegen, the Netherlands
| | - Daniele Urso
- King’s College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, De Crespigny Park, London, United Kingdom
- Parkinson Foundation Centre of Excellence, King’s College Hospital, Denmark Hill, London, United Kingdom
| | - K. Ray Chaudhuri
- King’s College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, De Crespigny Park, London, United Kingdom
- Parkinson Foundation Centre of Excellence, King’s College Hospital, Denmark Hill, London, United Kingdom
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Rodrigues LD, Oliveira LF, Shinoda L, Scorza CA, Faber J, Ferraz HB, Britto LRG, Scorza FA. Cardiovascular alterations in rats with Parkinsonism induced by 6-OHDA and treated with Domperidone. Sci Rep 2019; 9:8965. [PMID: 31222185 PMCID: PMC6586896 DOI: 10.1038/s41598-019-45518-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 06/10/2019] [Indexed: 01/10/2023] Open
Abstract
After Alzheimer, Parkinson disease (PD) is the most frequently occurring progressive, degenerative neurological disease. It affects both sympathetic and parasympathetic nervous systems in a variable fashion. Cardiovascular symptoms are present in almost all stages of PD and narrower heart rate variability is the earliest sign. Administration of Levodopa to PD patients has proven to provide some degree of neurological protection. This drug, however, causes side effects including nausea and vomiting, lessened by the administration of domperidone. Autopsies in PD patients led some researchers to suggest the involvement of the ventricular arrhythmia induced by domperidone. The aim of the present study was to determine the impact of the adjusted human maximal dose of domperidone, on cardiological features of Wistar rats. domperidone was administered to both 6-hydroxydopamine Parkinsonism models and regular Wistar rats. Quantitative analysis of ranges of heart beat variation showed significant abnormal distribution in both groups receiving domperidone as compared with respective sham counterparts. However, qualitative analysis of Poincaré plots showed that 6-hydroxydopamine Parkinsonism models receiving domperidone had the narrowest full range of heart beat and the worst distribution heart beat ranges as compared with all study groups corroborating with previous suggestion that domperidone administration to PD patients is likely to play a role in sudden unexpected death in this group of patients.
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Affiliation(s)
- Laís D Rodrigues
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil.
| | - Leandro F Oliveira
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil.
| | - Lucas Shinoda
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Carla A Scorza
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Jean Faber
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Henrique B Ferraz
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Luiz R G Britto
- Laboratory of Cellular Neurobiology, Department of Physiology and Biophysics -University of São Paulo, São Paulo, Brazil
| | - Fulvio A Scorza
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
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Montero Ferro A, P Basso-Vanelli R, Moreira Mello RL, Sanches Garcia-Araujo A, Gonçalves Mendes R, Costa D, Gianlorenço AC. Effects of inspiratory muscle training on respiratory muscle strength, lung function, functional capacity and cardiac autonomic function in Parkinson's disease: Randomized controlled clinical trial protocol. PHYSIOTHERAPY RESEARCH INTERNATIONAL 2019; 24:e1777. [PMID: 31090181 DOI: 10.1002/pri.1777] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 02/04/2019] [Accepted: 03/17/2019] [Indexed: 11/08/2022]
Abstract
BACKGROUND Individuals with Parkinson's disease (PD), in addition to motor impairment, may evolve with respiratory and autonomic nervous system disorders. Currently, there are few studies with emphasis on muscle and pulmonary dysfunction and that verify the benefits of inspiratory muscle training (IMT) in this population. AIM The aim of this study was to evaluate whether IMT is effective for the improvement of respiratory muscle strength, lung function, thoracic mobility, functional capacity and cardiac autonomic function in PD. METHODS A randomized and controlled trial will be conducted with 26 participants with idiopathic PD, with aged between 50 and 65 years, in the Stages I to III by the Modified Hoehn and Yahr Scale. Respiratory muscle strength will be performed by manovacuometry and lung function by spirometry. Functional capacity will be evaluated by the 6-min walk test and autonomic cardiac function by heart rate variability. In addition, thoracic mobility measurement will also be performed. After the evaluations, these participants will be randomly assigned to two groups: the IMT group with Powerbreathe® , which will perform the eight series of 2 min each, with 1 min of rest between them, totaling 30 min, at 60% of the maximum inspiratory pressure and the control group, who will perform the same training protocol but with the load maintained at 9 cmH2 O. All participants will be submitted to the same motor training protocol. CONCLUSION It is expected that IMT increases the inspiratory muscle strength, contributing to the improved expiratory muscle strength, lung function, thoracic mobility, functional capacity and cardiac autonomic function in individuals with mild to moderate PD.
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Affiliation(s)
- Alyne Montero Ferro
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
| | - Renata P Basso-Vanelli
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
| | - Roberta Lorena Moreira Mello
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
| | - Adriana Sanches Garcia-Araujo
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
| | - Renata Gonçalves Mendes
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
| | - Dirceu Costa
- Physiotherapy Graduation and Rehabilitation Sciences Post Graduation Program, Nove de Julho University-UNINOVE, São Paulo, Brazil
| | - Anna Carolyna Gianlorenço
- Post Graduate Program in Physical Therapy, Physical Therapy Department, Federal University of São Carlos-UFSCar, São Carlos, Brazil
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Willis GL, Freelance CB. Emerging preclinical interest concerning the role of circadian function in Parkinson's disease. Brain Res 2017; 1678:203-213. [PMID: 28958865 DOI: 10.1016/j.brainres.2017.09.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 09/22/2017] [Accepted: 09/24/2017] [Indexed: 02/08/2023]
Abstract
The importance of circadian function in the aetiology, progression and treatment of Parkinson's disease is a topic of increasing interest to the scientific and clinical community. While clinical studies on this theme are relatively new and limited in number there are many preclinical studies which explore possible circadian involvement in Parkinson's disease and speculate as to the mechanism by which clinical benefit can be derived by manipulating the circadian system. The present review explores the sequelae of circadian related studies from a historical perspective and reveals mechanisms that may be involved in the aetiology and progression of the disease. A systematic review of these studies also sets the stage for understanding the basic neuroscientific approaches which have been applied and provides new direction from which circadian function can be explored.
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Affiliation(s)
- Gregory L Willis
- The Bronowski Institute of Behavioural Neuroscience, Coliban Medical Centre, 19 Jennings Street, Kyneton, Vic 3444, Australia.
| | - Christopher B Freelance
- The Bronowski Institute of Behavioural Neuroscience, Coliban Medical Centre, 19 Jennings Street, Kyneton, Vic 3444, Australia
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Rocha RSB, De Oliveira Rocha LS, Pena ESM, Caldas LCP, Moreno MA. Analysis of autonomic modulation of heart rate in patients with Parkinson's disease and elderly individuals submitted to game therapy training. Geriatr Gerontol Int 2017; 18:20-25. [DOI: 10.1111/ggi.13130] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 05/10/2017] [Accepted: 06/13/2017] [Indexed: 12/01/2022]
Affiliation(s)
- Rodrigo Santiago Barbosa Rocha
- Physiotherapy Course; University of Amazon - UNAMA; Belém Brazil
- Physiotherapy Course; Pará State University - UEPA; Belém Brazil
- Postgraduate Program in Sciences of Human Movement; Methodist University of Piracicaba - UNIMEP; Piracicaba Brazil
| | - Larissa Salgado De Oliveira Rocha
- Physiotherapy Course; University of Amazon - UNAMA; Belém Brazil
- Postgraduate Program in Sciences of Human Movement; Methodist University of Piracicaba - UNIMEP; Piracicaba Brazil
| | | | | | - Marlene Aparecida Moreno
- Postgraduate Program in Sciences of Human Movement; Methodist University of Piracicaba - UNIMEP; Piracicaba Brazil
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Videnovic A, Golombek D. Circadian Dysregulation in Parkinson's Disease. Neurobiol Sleep Circadian Rhythms 2017; 2:53-58. [PMID: 28713867 PMCID: PMC5509072 DOI: 10.1016/j.nbscr.2016.11.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 10/19/2016] [Accepted: 11/03/2016] [Indexed: 12/27/2022] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder that affects over one million individuals in the US alone. PD is characterized by a plethora of motor and non-motor manifestations, resulting from a progressive degeneration of dopaminergic neurons and disbalance of several other neurotransmitters. A growing body of evidence points to significant alterations of the circadian system in PD. This is not surprising given the pivotal role that dopamine plays in circadian regulation as well as the role of circadian influences in dopamine metabolism. In this review we present basic and clinical investigations that examined the function of the circadian system in PD.
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Affiliation(s)
- Aleksandar Videnovic
- Movement Disorders Unit and Division of Sleep Medicine, Massachusetts General Hospital Harvard Medical School, MGH Neurological Clinical Research Institute, 165 Cambridge Street, Suite 600, Boston, MA 02446, United States
| | - Diego Golombek
- Department of Science and Technology, National University of Quilmes/CONICET, R.S. Peña 352, 1876 Bernal, Buenos Aires, Argentina
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Montaño A, Brown F, Credeur DP, Williams MA, Stoner L. Telemetry-derived heart rate variability responses to a physical stressor. Clin Physiol Funct Imaging 2016; 37:421-427. [PMID: 26749070 DOI: 10.1111/cpf.12320] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 10/09/2015] [Indexed: 01/12/2023]
Abstract
Analysis of heart rate variability (HRV) responses to an orthostatic challenge can be used to investigate autonomic control of heart rate, an index of cardiovascular function. HRV is typically assessed using the electrocardiogram (ECG), which can be impractical for use with large population-based studies. PURPOSE To assess the validity and reliability of telemetry-derived HRV responses to an orthostatic challenge. METHODS Twenty healthy adults (26 + 5 years, 45% male) were tested on three separate mornings. Following 20-min supine rest, R-R intervals were recorded using a telemetric device during three conditions: BASE, TILT and RECOVERY. ECG was simultaneously used on 1 day for validity comparison. Measures of HRV included the following: standard deviation of normal-to-normal intervals (SDNN), the root-mean-square of successive differences (RMSSD) and the low-frequency (LF) and high-frequency (HF) spectral power. RESULTS For all parameters, there was excellent agreement between devices for BASE (r = 0·96-0·99), TILT (r = 0·89-1·00) and RECOVERY (r = 0·96-1·00). For the telemetric device, between-day intraclass coefficient values for RMSDD, SDNN and HF were all above the 0·75 criterion for each condition, indicating excellent between-day reliability. For each condition, the reliability coefficient, expressed as a percentage of the mean (RC%), was marginally lower (greater reliability) for RMSDD (RC% 11-13) and SDNN (RC% 10-12) compared to HF (RC% 12-17). However, SDNN did not significantly respond to the orthostatic challenge. CONCLUSION Telemetric HRV, particularly RMSDD and HF, can be used to provide a sensitive, valid and reliable assessment of autonomic control of heart rate.
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Affiliation(s)
- Alexandra Montaño
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Freddy Brown
- School of Sport and Exercise, Massey University, Wellington, New Zealand
| | - Daniel P Credeur
- School of Human Performance and Recreation, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Michelle A Williams
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Lee Stoner
- School of Sport and Exercise, Massey University, Wellington, New Zealand
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Abstract
Circadian rhythms have a major role in physiology and behavior. Circadian disruption has negative consequences for physiologic homeostasis at molecular, cellular, organ-system, and whole-organism levels. The onset of many cerebrovascular insults shows circadian temporal trends. Impaired sleep-wake cycle, the most robust output rhythms of the circadian system, is significantly affected by neurodegenerative disorders, may precede them by decades, and may also affect their progression. Emerging evidence suggests that circadian disruption may be a risk factor for these neurologic disorders. This article discusses the implications of circadian rhythms in brain disorders, with an emphasis on cerebrovascular and neurodegenerative disorders.
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Affiliation(s)
- Aleksandar Videnovic
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 165 Cambridge Street, Suite 600, Boston, MA 02114, USA.
| | - Phyllis C Zee
- Northwestern University Feinberg School of Medicine, Abbott Hall 11th Floor, 710 North Lake Shore Drive, Chicago, IL 60611, USA
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Videnovic A, Lazar AS, Barker RA, Overeem S. 'The clocks that time us'--circadian rhythms in neurodegenerative disorders. Nat Rev Neurol 2014; 10:683-93. [PMID: 25385339 PMCID: PMC4344830 DOI: 10.1038/nrneurol.2014.206] [Citation(s) in RCA: 245] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Circadian rhythms are physiological and behavioural cycles generated by an endogenous biological clock, the suprachiasmatic nucleus. The circadian system influences the majority of physiological processes, including sleep-wake homeostasis. Impaired sleep and alertness are common symptoms of neurodegenerative disorders, and circadian dysfunction might exacerbate the disease process. The pathophysiology of sleep-wake disturbances in these disorders remains largely unknown, and is presumably multifactorial. Circadian rhythm dysfunction is often observed in patients with Alzheimer disease, in whom it has a major impact on quality of life and represents one of the most important factors leading to institutionalization of patients. Similarly, sleep and circadian problems represent common nonmotor features of Parkinson disease and Huntington disease. Clinical studies and experiments in animal models of neurodegenerative disorders have revealed the progressive nature of circadian dysfunction throughout the course of neurodegeneration, and suggest strategies for the restoration of circadian rhythmicity involving behavioural and pharmacological interventions that target the sleep-wake cycle. In this Review, we discuss the role of the circadian system in the regulation of the sleep-wake cycle, and outline the implications of disrupted circadian timekeeping in neurodegenerative diseases.
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Affiliation(s)
- Aleksandar Videnovic
- Neurological Clinical Research Institute, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 165 Cambridge Street Suite 650, Boston, MA 02114, USA
| | - Alpar S Lazar
- University of Cambridge, John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, Forvie Site, Cambridge CB2 2PY, UK
| | - Roger A Barker
- University of Cambridge, John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, Forvie Site, Cambridge CB2 2PY, UK
| | - Sebastiaan Overeem
- Department of Neurology, Radboud University Medical Centre, P.O. Box 9101, Nijmegen 6500 HB, Netherlands
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Videnovic A, Noble C, Reid KJ, Peng J, Turek FW, Marconi A, Rademaker AW, Simuni T, Zadikoff C, Zee PC. Circadian melatonin rhythm and excessive daytime sleepiness in Parkinson disease. JAMA Neurol 2014; 71:463-9. [PMID: 24566763 DOI: 10.1001/jamaneurol.2013.6239] [Citation(s) in RCA: 232] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
IMPORTANCE Diurnal fluctuations of motor and nonmotor symptoms and a high prevalence of sleep-wake disturbances in Parkinson disease (PD) suggest a role of the circadian system in the modulation of these symptoms. However, surprisingly little is known regarding circadian function in PD and whether circadian dysfunction is involved in the development of sleep-wake disturbances in PD. OBJECTIVE To determine the relationship between the timing and amplitude of the 24-hour melatonin rhythm, a marker of endogenous circadian rhythmicity, with self-reported sleep quality, the severity of daytime sleepiness, and disease metrics. DESIGN, SETTING, AND PARTICIPANTS A cross-sectional study from January 1, 2009, through December 31, 2012, of 20 patients with PD receiving stable dopaminergic therapy and 15 age-matched control participants. Both groups underwent blood sampling for the measurement of serum melatonin levels at 30-minute intervals for 24 hours under modified constant routine conditions at the Parkinson's Disease and Movement Disorders Center of Northwestern University. INTERVENTIONS Twenty-four hour monitoring of serum melatonin secretion. MAIN OUTCOMES AND MEASURES Clinical and demographic data, self-reported measures of sleep quality (Pittsburgh Sleep Quality Index) and daytime sleepiness (Epworth Sleepiness Scale), and circadian markers of the melatonin rhythm, including the amplitude, area under the curve (AUC), and phase of the 24-hour rhythm. RESULTS Patients with PD had blunted circadian rhythms of melatonin secretion compared with controls; the amplitude of the melatonin rhythm and the 24-hour AUC for circulating melatonin levels were significantly lower in PD patients (P < .001). Markers of the circadian phase were not significantly different between the 2 groups. Compared with PD patients without excessive daytime sleepiness, patients with excessive daytime sleepiness (Epworth Sleepiness Scale score ≥10) had a significantly lower amplitude of the melatonin rhythm and 24-hour melatonin AUC (P = .001). Disease duration, Unified Parkinson's Disease Rating Scale scores, levodopa equivalent dose, and global Pittsburgh Sleep Quality Index score in the PD group were not significantly related to measures of the melatonin circadian rhythm. CONCLUSIONS AND RELEVANCE Circadian dysfunction may underlie excessive sleepiness in PD. The nature of this association needs to be explored further in longitudinal studies. Approaches aimed to strengthen circadian function, such as timed exposure to bright light and exercise, might serve as complementary therapies for the nonmotor manifestations of PD.
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Affiliation(s)
- Aleksandar Videnovic
- Neurological Clinical Research Institute, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts2Department of Neurology, Northwestern University, Chicago, Illinois
| | - Charleston Noble
- Department of Neurology, Northwestern University, Chicago, Illinois3Department of Physics, Lund University, Lund, Sweden
| | - Kathryn J Reid
- Department of Neurology, Northwestern University, Chicago, Illinois
| | - Jie Peng
- Department of Preventive Medicine, Northwestern University, Chicago, Illinois
| | - Fred W Turek
- Department of Neurobiology, Northwestern University, Chicago, Illinois
| | - Angelica Marconi
- Department of Neurology, Northwestern University, Chicago, Illinois
| | - Alfred W Rademaker
- Department of Preventive Medicine, Northwestern University, Chicago, Illinois
| | - Tanya Simuni
- Department of Neurology, Northwestern University, Chicago, Illinois
| | - Cindy Zadikoff
- Department of Neurology, Northwestern University, Chicago, Illinois
| | - Phyllis C Zee
- Department of Neurology, Northwestern University, Chicago, Illinois
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Videnovic A, Golombek D. Circadian and sleep disorders in Parkinson's disease. Exp Neurol 2012; 243:45-56. [PMID: 22935723 DOI: 10.1016/j.expneurol.2012.08.018] [Citation(s) in RCA: 149] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 08/08/2012] [Accepted: 08/14/2012] [Indexed: 01/17/2023]
Abstract
Impaired sleep and alertness, initially recognized by James Parkinson in his famous monograph "An Essay on the Shaking Palsy" in 1817, is one of the most common and disabling nonmotor symptoms of Parkinson's disease (PD). It is only recently, however, that sleep disturbances in PD have received the attention of medical and research community. Dopamine, the major neurotransmitter implicated in the pathogenesis of PD, plays a pivotal role in the regulation of sleep and circadian homeostasis. Sleep dysfunction affects up to 90% of patients with PD, and may precede the onset of the disease by decades. Sleep dysfunction in PD may be categorized into disturbances of overnight sleep and daytime alertness. Etiology of impaired sleep and alertness in PD is multifactorial. Co-existent primary sleep disorders, medication side effects, overnight re-emergence of motor symptoms, and primary neurodegeneration itself, are main causes of sleep disruption and excessive daytime sleepiness among patients with PD. Increasing body of evidence suggests that the circadian system becomes dysregulated in PD, which may lead to poor sleep and alertness. Treatment options are limited and frequently associated with unwanted side effects. Further studies that will examine pathophysiology of sleep dysfunction in PD, and focus on novel treatment approaches are therefore very much needed. In this article we review the role of dopamine in regulation of sleep and alertness and discuss main sleep and circadian disturbances associated with PD.
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Affiliation(s)
- Aleksandar Videnovic
- PD and Movement Disorders Center, Circadian Rhythms and Sleep Research Laboratory, Department of Neurology, Northwestern University, 710 N Lake Shore Dr #1106, Chicago, IL 60611, USA.
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Abstract
Parkinson's disease is a disorder characterized by the motor findings of bradykinesia, rest tremor, cogwheel rigidity, and postural instability. As the disease progresses, most patients develop numerous nonmotor signs and symptoms, many of which play a major role in reducing quality of life. What is becoming increasingly clear is that nonmotor findings, including hyposmia, sleep disorders, autonomic abnormalities, cognitive changes, and neurobehavioral changes, often precede the motor findings.
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Affiliation(s)
- Charles H Adler
- Department of Neurology, Mayo Clinic, Scottsdale, Arizona 85259, USA.
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Ha AD, Brown CH, York MK, Jankovic J. The prevalence of symptomatic orthostatic hypotension in patients with Parkinson’s disease and atypical parkinsonism. Parkinsonism Relat Disord 2011; 17:625-8. [DOI: 10.1016/j.parkreldis.2011.05.020] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2011] [Revised: 05/23/2011] [Accepted: 05/25/2011] [Indexed: 10/18/2022]
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17
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Jain S. Multi-organ autonomic dysfunction in Parkinson disease. Parkinsonism Relat Disord 2011; 17:77-83. [PMID: 20851033 PMCID: PMC3021587 DOI: 10.1016/j.parkreldis.2010.08.022] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 08/27/2010] [Accepted: 08/30/2010] [Indexed: 12/18/2022]
Abstract
Both pathologic and clinical studies of autonomic pathways have expanded the concept of Parkinson disease (PD) from a movement disorder to a multi-level widespread neurodegenerative process with non-motor features spanning several organ systems. This review integrates neuropathologic findings and autonomic physiology in PD as it relates to end organ autonomic function. Symptoms, pathology and physiology of the cardiovascular, skin/sweat gland, urinary, gastrointestinal, pupillary and neuroendocrine systems can be probed by autopsy, biopsy and non-invasive electrophysiological techniques in vivo which assess autonomic anatomy and function. There is mounting evidence that PD affects a chain of neurons in autonomic pathways. Consequently, autonomic physiology may serve as a window into non-motor PD progression and allow the development of mechanistically based treatment strategies for several non-motor features of PD. End-organ physiologic markers may be used to inform a model of PD pathophysiology and non-motor progression.
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Affiliation(s)
- Samay Jain
- Clinical Director, Movement Disorders Division, Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213-3232, USA.
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Ramjit AL, Sedig L, Leibner J, Wu SS, Dai Y, Okun MS, Rodriguez RL, Malaty IA, Fernandez HH. The Relationship Between Anosmia, Constipation, and Orthostasis and Parkinson's Disease Duration: Results of a Pilot Study. Int J Neurosci 2010; 120:67-70. [DOI: 10.3109/00207450903337721] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Czarkowska H, Tutaj M, Rudzińska M, Motyl M, Bryś M, Bukowczan S, Kyrcz A, Zajdel K, Szczudlik A. Cardiac responses to orthostatic stress deteriorate in Parkinson disease patients who begin to fall. Neurol Neurochir Pol 2010; 44:339-49. [DOI: 10.1016/s0028-3843(14)60293-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Shibata M, Morita Y, Shimizu T, Takahashi K, Suzuki N. Cardiac parasympathetic dysfunction concurrent with cardiac sympathetic denervation in Parkinson's disease. J Neurol Sci 2009; 276:79-83. [DOI: 10.1016/j.jns.2008.09.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2008] [Revised: 08/28/2008] [Accepted: 09/03/2008] [Indexed: 10/21/2022]
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