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Duan X, Liu H, Hu X, Yu Q, Kuang G, Liu L, Zhang S, Wang X, Li J, Yu D, Huang J, Wang T, Lin Z, Xiong N. Insomnia in Parkinson's Disease: Causes, Consequences, and Therapeutic Approaches. Mol Neurobiol 2024:10.1007/s12035-024-04400-4. [PMID: 39103716 DOI: 10.1007/s12035-024-04400-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 07/24/2024] [Indexed: 08/07/2024]
Abstract
Sleep disorders represent prevalent non-motor symptoms in Parkinson's disease (PD), affecting over 90% of the PD population. Insomnia, characterized by difficulties in initiating and maintaining sleep, emerges as the most frequently reported sleep disorder in PD, with prevalence rates reported from 27 to 80% across studies. Insomnia not only significantly impacts the quality of life of PD patients but is also associated with cognitive impairment, motor disabilities, and emotional deterioration. This comprehensive review aims to delve into the mechanisms underlying insomnia in PD, including neurodegenerative changes, basal ganglia beta oscillations, and circadian rhythms, to gain insights into the neural pathways involved. Additionally, the review explores the risk factors and comorbidities associated with insomnia in PD, providing valuable insights into its management. Special attention is given to the challenges faced by healthcare providers in delivering care to PD patients and the impact of caregiving roles on patients' quality of life. Overall, this review provides a comprehensive understanding of insomnia in PD and highlights the importance of addressing this common sleep disorder in PD patients.
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Affiliation(s)
- Xiaoyu Duan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Duke Kunshan University, No. 8 Duke Avenue, Kunshan, 215316, Jiangsu, China
| | - Hanshu Liu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xinyu Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qinwei Yu
- Department of Neurology, Wuhan Red Cross Hospital, 392 Hongkong Road, Wuhan, Hubei, China
| | - Guiying Kuang
- Department of Neurology, Wuhan Red Cross Hospital, 392 Hongkong Road, Wuhan, Hubei, China
| | - Long Liu
- Department of Neurology, Wuhan Red Cross Hospital, 392 Hongkong Road, Wuhan, Hubei, China
| | - Shurui Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xinyi Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jingwen Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Danfang Yu
- Department of Neurology, Wuhan Red Cross Hospital, 392 Hongkong Road, Wuhan, Hubei, China
| | - Jinsha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhicheng Lin
- Laboratory of Psychiatric Neurogenomics, McLean Hospital, Harvard Medical School, Belmont, MA, 02478, USA
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Zhong R, Gan C, Sun H, Zhang K. Sleep disturbances, cognitive decline, and AD biomarkers alterations in early Parkinson's disease. Ann Clin Transl Neurol 2024; 11:1831-1839. [PMID: 38764318 PMCID: PMC11251484 DOI: 10.1002/acn3.52089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/11/2024] [Accepted: 04/25/2024] [Indexed: 05/21/2024] Open
Abstract
OBJECTIVE We aimed to investigate whether each type of sleep disturbances (i.e., pRBD, EDS, and insomnia) is specifically associated with faster decline in global cognition and different cognitive domains among de novo PD patients. We also assessed the influence of sleep disturbances on core AD CSF biomarkers alterations and conversion to dementia. METHODS Prospectively longitudinal data were obtained from the PPMI cohort. Sleep disturbances and cognition ability were assessed by questionnaires at baseline and follow-up visits. Generalized linear mixed models were utilized to assess the effect of sleep disturbances on cognitive decline and core AD CSF biomarkers change. The associations between sleep disturbances and conversion to dementia were analyzed using Cox regression analysis. RESULTS Baseline pRBD was associated with faster decline in global cognition and all cognitive domains, including verbal episodic memory, visuospatial ability, executive function, language, and processing speed. EDS was associated with faster decline in three cognitive domains, including verbal episodic memory, executive function/working memory, and processing speed. Insomnia was associated with faster decline in global cognition and verbal episodic memory. Meanwhile, pRBD and EDS were associated with longitudinal decrease of CSF Aβ42. Baseline pRBD increased the risk of conversion to dementia. The risk of dementia in PD patients with multiple sleep disturbances also increased compared with those without sleep disturbance. INTERPRETATION Sleep disturbances (i.e., pRBD, EDS, and insomnia) were associated with cognitive decline in early PD. EDS and pRBD were associated with decrease of CSF Aβ42. Moreover, pRBD was associated with conversion to dementia.
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Affiliation(s)
- Rui Zhong
- Department of NeurologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina
| | - Caiting Gan
- Department of NeurologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina
| | - Huimin Sun
- Department of NeurologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina
| | - Kezhong Zhang
- Department of NeurologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina
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Iranzo A, Cochen De Cock V, Fantini ML, Pérez-Carbonell L, Trotti LM. Sleep and sleep disorders in people with Parkinson's disease. Lancet Neurol 2024:S1474-4422(24)00170-4. [PMID: 38942041 DOI: 10.1016/s1474-4422(24)00170-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/02/2024] [Accepted: 04/16/2024] [Indexed: 06/30/2024]
Abstract
Sleep disorders are common in people with Parkinson's disease. These disorders, which increase in frequency throughout the course of the neurodegenerative disease and impair quality of life, include insomnia, excessive daytime sleepiness, circadian disorders, obstructive sleep apnoea, restless legs syndrome, and rapid eye movement (REM) sleep behaviour disorder. The causes of these sleep disorders are complex and multifactorial, including the degeneration of the neural structures that modulate sleep, the detrimental effect of some medications on sleep, the parkinsonian symptoms that interfere with mobility and comfort in bed, and comorbidities that disrupt sleep quality and quantity. The clinical evaluation of sleep disorders include both subjective (eg, questionnaires or diaries) and objective (eg, actigraphy or video polysomnography) assessments. The management of patients with Parkinson's disease and a sleep disorder is challenging and should be individualised. Treatment can include education aiming at changes in behaviour (ie, sleep hygiene), cognitive behavioural therapy, continuous dopaminergic stimulation at night, and specific medications. REM sleep behaviour disorder can occur several years before the onset of parkinsonism, suggesting that the implementation of trials of neuroprotective therapies should focus on people with this sleep disorder.
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Affiliation(s)
- Alex Iranzo
- Sleep Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain; IDIBAPS, Universitat de Barcelona, Barcelona, Spain; CIBERNED, Universitat de Barcelona, Barcelona, Spain.
| | - Valerie Cochen De Cock
- Sleep and Neurology Department, Beau Soleil Clinic, Montpellier, France; EuroMov Digital Health in Motion, University of Montpellier, IMT Mines Ales, Montpellier, France
| | - María Livia Fantini
- Neurophysiology Unit, Neurology Department, Université Clermont Auvergne, CNRS, Institut Pascal, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Laura Pérez-Carbonell
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, King's College London, London, UK
| | - Lynn Marie Trotti
- Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA; Emory Sleep Center, Emory University School of Medicine, Atlanta, GA, USA
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Kou L, Chi X, Sun Y, Yin S, Wu J, Zou W, Wang Y, Jin Z, Huang J, Xiong N, Xia Y, Wang T. Circadian regulation of microglia function: Potential targets for treatment of Parkinson's Disease. Ageing Res Rev 2024; 95:102232. [PMID: 38364915 DOI: 10.1016/j.arr.2024.102232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 02/11/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
Circadian rhythms are involved in the regulation of many aspects of the body, including cell function, physical activity and disease. Circadian disturbance often predates the typical symptoms of neurodegenerative diseases and is not only a non-motor symptom, but also one of the causes of their occurrence and progression. Glial cells possess circadian clocks that regulate their function to maintain brain development and homeostasis. Emerging evidence suggests that the microglial circadian clock is involved in the regulation of many physiological processes, such as cytokine release, phagocytosis, and nutritional and metabolic support, and that disruption of the microglia clock may affect multiple aspects of Parkinson's disease, especially neuroinflammation and α-synuclein processes. Herein, we review recent advances in the circadian control of microglia function in health and disease, and discuss novel pharmacological interventions for microglial clocks in neurodegenerative disorders.
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Affiliation(s)
- Liang Kou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaosa Chi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yadi Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Sijia Yin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jiawei Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wenkai Zou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yiming Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zongjie Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jinsha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Dodet P, Houot M, Leu-Semenescu S, Corvol JC, Lehéricy S, Mangone G, Vidailhet M, Roze E, Arnulf I. Sleep disorders in Parkinson's disease, an early and multiple problem. NPJ Parkinsons Dis 2024; 10:46. [PMID: 38424131 PMCID: PMC10904863 DOI: 10.1038/s41531-024-00642-0] [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: 08/05/2023] [Accepted: 01/15/2024] [Indexed: 03/02/2024] Open
Abstract
In Parkinson's disease (PD), it remains unclear whether sleep disorders including insomnia, REM sleep behavior disorder (RBD), excessive daytime sleepiness (EDS), restless legs syndrome (RLS) and sleep-disordered breathing (SDB), are isolated or combined, interact with each other and are associated with clinical factors. We sought to determine the prevalence and combinations of the main sleep disorders, and their clinical and polysomnographic associations in early stage PD. Sleep disorders were systematically diagnosed after medical interview and video-polysomnography in 162 participants with early stage PD and 58 healthy controls from the baseline of the longitudinal ICEBERG cohort. Demographic, clinical (motor, cognitive, autonomic, psychological and sensory tests), therapeutic and polysomnographic associations of sleep disorders were investigated. Sleep disorders were frequent (71%) and combined in half of the patients. The number of sleep disorders increased with disease duration and dysautonomia. Insomnia was the most common (41%), followed by definite RBD (25%), EDS (25%), and RLS (16%). These disorders were more frequent than in controls whereas SDB was rare, moderate and similar in both groups. In patients, insomnia (mainly difficulties maintaining sleep) was associated with female gender, shorter sleep time and RLS, but not with motor or psychological symptoms. RBD was associated with dysautonomia and advanced age, but not with motor and cognitive measures. EDS was associated with psychiatric and motor symptoms as well as the sedative effects of dopamine agonists but not with other sleep disturbances. Sleep disturbances are frequent and combined in early patients with PD. Their determinants and markers are more organic than psychological.
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Affiliation(s)
- Pauline Dodet
- Service des Pathologies du Sommeil et Centre de Référence National des Narcolepsies et Hypersomnies rares, Assistance Publique-Hôpitaux de Paris-Sorbonne (AP-HP-Sorbonne), Hôpital la Pitié-Salpêtrière, Paris, France.
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France.
| | - Marion Houot
- Center of Excellence of Neurodegenerative Disease (CoEN), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
- Department of Neurology, Institute of Memory and Alzheimer's Disease (IM2A), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
- Assistance Publique Hôpitaux de Paris, Inserm, Clinical Investigation Centre (CIC) Neuroscience, Paris Brain Institute - ICM, Pitié-Salpêtrière Hospital, Paris, France
| | - Smaranda Leu-Semenescu
- Service des Pathologies du Sommeil et Centre de Référence National des Narcolepsies et Hypersomnies rares, Assistance Publique-Hôpitaux de Paris-Sorbonne (AP-HP-Sorbonne), Hôpital la Pitié-Salpêtrière, Paris, France
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
| | - Jean-Christophe Corvol
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
- Center of Excellence of Neurodegenerative Disease (CoEN), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
- Assistance Publique Hôpitaux de Paris, Inserm, Clinical Investigation Centre (CIC) Neuroscience, Paris Brain Institute - ICM, Pitié-Salpêtrière Hospital, Paris, France
| | - Stéphane Lehéricy
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
- Assistance Publique Hôpitaux de Paris, Hôpital Pitié -Salpêtrière, Department of Neuroradiology, 75013, Paris, France
| | - Graziella Mangone
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
| | - Marie Vidailhet
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
- Center of Excellence of Neurodegenerative Disease (CoEN), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Emmanuel Roze
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
- Center of Excellence of Neurodegenerative Disease (CoEN), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Isabelle Arnulf
- Service des Pathologies du Sommeil et Centre de Référence National des Narcolepsies et Hypersomnies rares, Assistance Publique-Hôpitaux de Paris-Sorbonne (AP-HP-Sorbonne), Hôpital la Pitié-Salpêtrière, Paris, France
- Paris Brain Institute (ICM), Sorbonne University, Inserm U1227, CNRS 7225, Paris, France
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Wang Z, Song Z, Zhou C, Fang Y, Gu L, Yang W, Gao T, Si X, Liu Y, Chen Y, Guan X, Guo T, Wu J, Bai X, Zhang M, Zhang B, Pu J. Reduced coupling of global brain function and cerebrospinal fluid dynamics in Parkinson's disease. J Cereb Blood Flow Metab 2023; 43:1328-1339. [PMID: 36927139 PMCID: PMC10369155 DOI: 10.1177/0271678x231164337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 01/18/2023] [Accepted: 01/23/2023] [Indexed: 03/18/2023]
Abstract
Dysfunction of the glymphatic system, an intracranial clearance pathway that drains misfolded proteins, has been implicated in the onset of Parkinson's disease (PD). Recently, the coupling strength of global blood-oxygen-level-dependent (gBOLD) signals and cerebrospinal fluid (CSF) inflow dynamics have been suggested to be an indicator of glymphatic function. Using resting-state functional magnetic resonance imaging (MRI), we quantified gBOLD-CSF coupling strength as the cross-correlation between baseline gBOLD and CSF inflow signals to evaluate glymphatic function and its association with the clinical manifestations of PD. We found that gBOLD-CSF coupling in drug-naïve PD patients was significantly weaker than that in normal controls, but significantly stronger in patients less affected by sleep disturbances than in those more affected by sleep disturbances, based on the PD sleep scale. Furthermore, we collected longitudinal data from patients and found that baseline gBOLD-CSF coupling negatively correlated with the rate of change over time, but positively correlated with the rate of change in UPDRS-III scores. In conclusion, severe gBOLD-CSF decoupling in PD patients may reflect longitudinal motor impairment, thereby providing a potential marker of glymphatic dysfunction in PD.
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Affiliation(s)
- Zhiyun Wang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Zhe Song
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Cheng Zhou
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Yi Fang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Luyan Gu
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Wenyi Yang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Ting Gao
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Xiaoli Si
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Yi Liu
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Ying Chen
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Xiaojun Guan
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Tao Guo
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Jingjing Wu
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Xueqing Bai
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Minming Zhang
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Baorong Zhang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
| | - Jiali Pu
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, China
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Scanga A, Lafontaine AL, Kaminska M. An overview of the effects of levodopa and dopaminergic agonists on sleep disorders in Parkinson's disease. J Clin Sleep Med 2023; 19:1133-1144. [PMID: 36716191 PMCID: PMC10235717 DOI: 10.5664/jcsm.10450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 01/31/2023]
Abstract
Sleep disorders are among the most common nonmotor symptoms in Parkinson's disease and are associated with reduced cognition and health-related quality of life. Disturbed sleep can often present in the prodromal or early stages of this neurodegenerative disease, rendering it crucial to manage and treat these symptoms. Levodopa and dopaminergic agonists are frequently prescribed to treat motor symptoms in Parkinson's disease, and there is increasing interest in how these pharmacological agents affect sleep and their effect on concomitant sleep disturbances and disorders. In this review, we discuss the role of dopamine in regulating the sleep-wake state and the impact of neurodegeneration on sleep. We provide an overview of the effects of levodopa and dopaminergic agonists on sleep architecture, insomnia, excessive daytime sleepiness, sleep-disordered breathing, rapid eye movement sleep behavior disorder, and restless legs syndrome in Parkinson's disease. Levodopa and dopaminergic drugs may have different effects, beneficial or adverse, depending on dosing, method of administration, and differential effects on the different dopamine receptors. Future research in this area should focus on elucidating the specific mechanisms by which these drugs affect sleep in order to better understand the pathophysiology of sleep disorders in Parkinson's disease and aid in developing suitable therapies and treatment regimens. CITATION Scanga A, Lafontaine A-L, Kaminska M. An overview of the effects of levodopa and dopaminergic agonists on sleep disorders in Parkinson's disease. J Clin Sleep Med. 2023;19(6):1133-1144.
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Affiliation(s)
- Amanda Scanga
- Division of Experimental Medicine, Glen Site, McGill University Health Centre, Montréal, Québec, Canada
| | - Anne-Louise Lafontaine
- Montreal Neurological Institute, McGill University Health Centre, Montréal, Québec, Canada
| | - Marta Kaminska
- Respiratory Epidemiology and Clinical Research Unit, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Respiratory Division and Sleep Laboratory, McGill University Health Centre, Montréal, Québec, Canada
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Fujita T, Babazono A, Li Y, Jamal A, Kim SA. Hypnotics and injuries among older adults with Parkinson's disease: a nested case-control design. BMC Geriatr 2023; 23:259. [PMID: 37127561 PMCID: PMC10152606 DOI: 10.1186/s12877-023-03944-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 03/31/2023] [Indexed: 05/03/2023] Open
Abstract
BACKGROUND Patients with Parkinson's disease often experience sleep disorders. Hypnotics increase the risk of adverse events, such as injuries due to falls. In this study, we evaluated the association between hypnotics and injuries among older adults with Parkinson's disease. METHODS The study used a nested case-control design. The participants were 5009 patients with Parkinson's disease aged ≥ 75 years based on claims data between April 2016 and March 2019 without prescription hypnotics 1 year before the study started. Hypnotics prescribed as oral medications included benzodiazepines, non-benzodiazepines, orexin receptor antagonists, and melatonin receptor agonists. The incidences of outcomes, including injuries, fractures, and femoral fractures, were determined. Each case had four matched controls. Conditional logistic regression analyses were performed to calculate the odds ratios and 95% confidence intervals for the number of hypnotics taken per day for each type of hypnotic. RESULTS The proportion of participants taking at least one type of hypnotic was 18.6%, with benzodiazepines being the most common. The incidence of injuries, fractures, and femoral fractures was 66.7%, 37.8%, and 10.2%, respectively. Benzodiazepines significantly increased the risk of injuries (odds ratio: 1.12; 95% confidence interval: 1.03-1.22), and melatonin receptor agonists significantly increased the risk of femoral fractures (odds ratio: 2.84; 95% confidence interval: 1.19-6.77). CONCLUSIONS Benzodiazepines and non-benzodiazepines, which are not recommended according to current guidelines, were the most prevalent among older adults with Parkinson's disease. Benzodiazepines significantly increased the risk of injuries, and melatonin receptor agonists significantly increased the risk of femoral fractures.
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Affiliation(s)
- Takako Fujita
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| | - Akira Babazono
- Department of Healthcare Administration and Management, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yunfei Li
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - Aziz Jamal
- Health Administration Program, Department of International Business and Management, Faculty of Business and Management, Universiti Teknologi MARA, Selangor Campus, Shah Alam, Malaysia
| | - Sung-A Kim
- St. Mary's Research Center, Kurume, Japan
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Du S, Huang Y, Ma Y, Qin Y, Cui J, Bai W, Han H, Zhang R, Yu H. The mediating effects of depression, anxiety, and rapid eye movement sleep behavior disorder on the association between dopaminergic replacement therapy and impulse control disorders in Parkinson's disease. Neurol Sci 2023; 44:557-564. [PMID: 36221041 DOI: 10.1007/s10072-022-06443-8] [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: 05/24/2022] [Accepted: 10/03/2022] [Indexed: 01/17/2023]
Abstract
OBJECTIVES This study aims to longitudinally explore whether and how rapid eye movement sleep behavior disorder (RBD), depression, and anxiety mediate the association between dopaminergic replacement therapy (DRT) and impulse control disorders (ICDs) in patients with Parkinson's disease (PD). METHODS Subjects were selected from the Parkinson's Progression Markers Initiative. After excluding missing data, 268, 223, 218, 238, and 219 patients with PD diagnosed at 12, 24, 36, 48, and 60 months prior, respectively, were included. We used the Questionnaire for Impulsive-Compulsive Disorders, RBD Screening Questionnaire, Geriatric Depression Scale, and State-Trait-Anxiety Inventory to assess ICBs, RBD, depression, and anxiety, respectively. We constructed three causal mediation analysis models to infer potential contingent pathways from DRT to ICD mediated by depression, anxiety, and RBD separately. RESULTS DRT was associated with an increased risk of PD incidence. Aggravation of ICDs was partly explained by improvements in depression (the average causal mediation effect accounted for 8.0% of the total effect) and RBD (the average causal mediation effect of RBD accounted for 16.4% of the total effect). This suggested that anxiety (the average causal mediation effect accounted for 12.7% of the total effect) plays a mediating role. CONCLUSIONS Focusing on changes in RBD, depression, and anxiety associated with hyperdopaminergic status should be an essential part of strategies to prevent ICDs in patients with Parkinson's disease.
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Affiliation(s)
- Sidan Du
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Ying Huang
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Yifei Ma
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Yao Qin
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Jing Cui
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Wenlin Bai
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Hongjuan Han
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Rong Zhang
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China
| | - Hongmei Yu
- Department of Health Statistics, School of Public Health, Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, 56 South XinJian Road, Taiyuan, 030001, China.
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10
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McCarter SJ, Camerucci E, Mullan AF, Stang CD, Turcano P, St. Louis EK, Boeve BF, Savica R. Sleep Disorders in Early-Onset Parkinsonism: A Population-Based Study. JOURNAL OF PARKINSON'S DISEASE 2023; 13:1175-1183. [PMID: 37742659 PMCID: PMC10657686 DOI: 10.3233/jpd-230045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/25/2023] [Indexed: 09/26/2023]
Abstract
BACKGROUND Sleep disturbances are common in parkinsonian disorders; however, whether sleep disorders affect individuals with early-onset parkinsonism and whether they differ from individuals with typical-onset parkinsonism is unknown. OBJECTIVE To compare the prevalence and incidence of sleep disorders before and after parkinsonian motor symptom onset between individuals with early onset parkinsonism (age ≤50 at motor symptom onset) and typical-onset parkinsonism (age >50 at motor symptom onset). METHODS We used a population-based, 1991 to 2015 incident-cohort study of parkinsonism including 38 patients with early-onset and 1,001 patients with typical-onset parkinsonism. Presence or absence and type of sleep disorder as well as the relationship between motor and sleep symptoms were abstracted from the medical records. Rates of sleep disorders before and after onset of parkinsonism were compared with logistic regression and Cox proportional hazards models. RESULTS The prevalence of sleep disorders prior to the onset of parkinsonism in early vs. typical parkinsonism (24% vs. 16% p = 0.19) and incidence of sleep disorders after parkinsonism onset (5.85 cases per 100 person-years vs. 4.11 cases per 100 person-years; HR 1.15 95% CI: 0.74-1.77) were similar between the two groups. Early-onset parkinsonism had a higher risk for developing post-motor insomnia compared with typical-onset parkinsonism (HR 1.73, 95% CI: 1.02-2.93); the risk for developing all other sleep disorders considered was similar between groups. CONCLUSION Sleep disorders are common in individuals with early-onset parkinsonism and occur with similar frequency to those with typical-onset parkinsonism, except for insomnia, which was more frequent in the early-onset group.
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Affiliation(s)
- Stuart J. McCarter
- Mayo Clinic Department of Neurology, Rochester, MN, USA
- Mayo Clinic Center for Sleep Medicine, Rochester, MN, USA
| | | | - Aidan F. Mullan
- Mayo Clinic Department of Quantitative Health Sciences, Rochester, MN, USA
| | - Cole D. Stang
- Mayo Clinic Department of Neurology, Rochester, MN, USA
| | | | - Erik K. St. Louis
- Mayo Clinic Department of Neurology, Rochester, MN, USA
- Mayo Clinic Center for Sleep Medicine, Rochester, MN, USA
| | | | - Rodolfo Savica
- Mayo Clinic Department of Neurology, Rochester, MN, USA
- Mayo Clinic Department of Quantitative Health Sciences, Rochester, MN, USA
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11
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Asadpoordezaki Z, Coogan AN, Henley BM. Chronobiology of Parkinson's disease: Past, present and future. Eur J Neurosci 2023; 57:178-200. [PMID: 36342744 PMCID: PMC10099399 DOI: 10.1111/ejn.15859] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 11/09/2022]
Abstract
Parkinson's disease is a neurodegenerative disorder predominately affecting midbrain dopaminergic neurons that results in a broad range of motor and non-motor symptoms. Sleep complaints are among the most common non-motor symptoms, even in the prodromal period. Sleep alterations in Parkinson's disease patients may be associated with dysregulation of circadian rhythms, intrinsic 24-h cycles that control essential physiological functions, or with side effects from levodopa medication and physical and mental health challenges. The impact of circadian dysregulation on sleep disturbances in Parkinson's disease is not fully understood; as such, we review the systems, cellular and molecular mechanisms that may underlie circadian perturbations in Parkinson's disease. We also discuss the potential benefits of chronobiology-based personalized medicine in the management of Parkinson's disease both in terms of behavioural and pharmacological interventions. We propose that a fuller understanding of circadian clock function may shed important new light on the aetiology and symptomatology of the disease and may allow for improvements in the quality of life for the millions of people with Parkinson's disease.
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Affiliation(s)
- Ziba Asadpoordezaki
- Department of Psychology, Maynooth University, Maynooth, Co Kildare, Ireland.,Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, Co Kildare, Ireland
| | - Andrew N Coogan
- Department of Psychology, Maynooth University, Maynooth, Co Kildare, Ireland.,Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, Co Kildare, Ireland
| | - Beverley M Henley
- Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, Co Kildare, Ireland
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12
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Sterling KG, Dodd GK, Alhamdi S, Asimenios PG, Dagda RK, De Meirleir KL, Hudig D, Lombardi VC. Mucosal Immunity and the Gut-Microbiota-Brain-Axis in Neuroimmune Disease. Int J Mol Sci 2022; 23:13328. [PMID: 36362150 PMCID: PMC9655506 DOI: 10.3390/ijms232113328] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 07/30/2023] Open
Abstract
Recent advances in next-generation sequencing (NGS) technologies have opened the door to a wellspring of information regarding the composition of the gut microbiota. Leveraging NGS technology, early metagenomic studies revealed that several diseases, such as Alzheimer's disease, Parkinson's disease, autism, and myalgic encephalomyelitis, are characterized by alterations in the diversity of gut-associated microbes. More recently, interest has shifted toward understanding how these microbes impact their host, with a special emphasis on their interactions with the brain. Such interactions typically occur either systemically, through the production of small molecules in the gut that are released into circulation, or through signaling via the vagus nerves which directly connect the enteric nervous system to the central nervous system. Collectively, this system of communication is now commonly referred to as the gut-microbiota-brain axis. While equally important, little attention has focused on the causes of the alterations in the composition of gut microbiota. Although several factors can contribute, mucosal immunity plays a significant role in shaping the microbiota in both healthy individuals and in association with several diseases. The purpose of this review is to provide a brief overview of the components of mucosal immunity that impact the gut microbiota and then discuss how altered immunological conditions may shape the gut microbiota and consequently affect neuroimmune diseases, using a select group of common neuroimmune diseases as examples.
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Affiliation(s)
| | - Griffin Kutler Dodd
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV 89557, USA
| | - Shatha Alhamdi
- Clinical Immunology and Allergy Division, Department of Pediatrics, King Abdullah Specialist Children’s Hospital, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Riyadh 11426, Saudi Arabia
| | | | - Ruben K. Dagda
- Department of Pharmacology, School of Medicine, University of Nevada, Reno, NV 89557, USA
| | | | - Dorothy Hudig
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV 89557, USA
| | - Vincent C. Lombardi
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV 89557, USA
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13
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Dijkstra F, de Volder I, Viaene M, Cras P, Crosiers D. Polysomnographic Predictors of Sleep, Motor, and Cognitive Dysfunction Progression in Parkinson's Disease. Curr Neurol Neurosci Rep 2022; 22:657-674. [PMID: 35994190 DOI: 10.1007/s11910-022-01226-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2022] [Indexed: 01/27/2023]
Abstract
PURPOSE OF REVIEW Sleep disturbances are an important nonmotor feature of Parkinson's disease (PD) that can cause polysomnographic (PSG) alterations. These alterations are already present in early PD and may be associated with a specific disease course. This systematic review describes the role of PSG variables as predictors of sleep dysfunction, motor and cognitive dysfunction progression in PD. RECENT FINDINGS Nineteen longitudinal cohort studies were included. Their main findings were that (1) REM sleep behavioral events, REM sleep without atonia (RSWA), and electroencephalography (EEG) changes (mainly microsleep instability) are predictors of the development of REM sleep behavior disorder (RBD); (2) RBD, RSWA, and lower slow-wave sleep energy predict motor progression; (3) RBD, EEG slowing, and sleep spindles changes are predictors of cognitive deterioration; and (4) OSA is associated with severe motor and cognitive symptoms at baseline, with inconsistent findings on the effect of continuous positive airway pressure (CPAP) therapy for these symptoms. The results of our systematic review support a role of the video-PSG in disease progression prediction in PD and its usefulness as a biomarker. However, future studies are needed to investigate whether treatment of these PSG abnormalities and sleep disturbances may have a neuroprotective effect on disease progression.
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Affiliation(s)
- Femke Dijkstra
- Department of Neurology, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium.
- Faculty of Medicine and Health Sciences, Translational Neurosciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium.
- Laboratory for Sleep Disorders and Department of Neurology, St.-Dimpna Regional Hospital, J.-B. Stessensstraat 2, 2440, Geel, Belgium.
| | - Ilse de Volder
- Department of Neurology, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium
- Faculty of Medicine and Health Sciences, Translational Neurosciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
- Department of Psychiatry, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium
- Multidisciplinary Sleep Disorders Center, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium
| | - Mineke Viaene
- Laboratory for Sleep Disorders and Department of Neurology, St.-Dimpna Regional Hospital, J.-B. Stessensstraat 2, 2440, Geel, Belgium
| | - Patrick Cras
- Department of Neurology, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium
- Faculty of Medicine and Health Sciences, Translational Neurosciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
- Born-Bunge Institute, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - David Crosiers
- Department of Neurology, Antwerp University Hospital, Drie Eikenstraat 655, 2650, Edegem, Belgium
- Faculty of Medicine and Health Sciences, Translational Neurosciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
- Born-Bunge Institute, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
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14
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Riboldi GM, Russo MJ, Pan L, Watkins K, Kang UJ. Dysautonomia and REM sleep behavior disorder contributions to progression of Parkinson's disease phenotypes. NPJ Parkinsons Dis 2022; 8:110. [PMID: 36042235 PMCID: PMC9427762 DOI: 10.1038/s41531-022-00373-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 08/02/2022] [Indexed: 02/06/2023] Open
Abstract
Non-motor symptoms of Parkinson's disease (PD) such as dysautonomia and REM sleep behavior disorder (RBD) are recognized to be important prodromal symptoms that may also indicate clinical subtypes of PD with different pathogenesis. Unbiased clustering analyses showed that subjects with dysautonomia and RBD symptoms, as well as early cognitive dysfunction, have faster progression of the disease. Through analysis of the Parkinson's Progression Markers Initiative (PPMI) de novo PD cohort, we tested the hypothesis that symptoms of dysautonomia and RBD, which are readily assessed by standard questionnaires in an ambulatory care setting, may help to independently prognosticate disease progression. Although these two symptoms associate closely, dysautonomia symptoms predict severe progression of motor and non-motor symptoms better than RBD symptoms across the 3-year follow-up period. Autonomic system involvement has not received as much attention and may be important to consider for stratification of subjects for clinical trials and for counseling patients.
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Affiliation(s)
- Giulietta Maria Riboldi
- Department of Neurology, the Marlene and Paolo Fresco Institute for Parkinson's Disease and Movement Disorders, New York University Langone Health, New York, NY, 10017, USA
| | - Marco J Russo
- Department of Neurology, the Marlene and Paolo Fresco Institute for Parkinson's Disease and Movement Disorders, New York University Langone Health, New York, NY, 10017, USA
| | - Ling Pan
- NYU Langone Neurosurgery Associates, New York, NY, 10016, USA
| | | | - Un Jung Kang
- Department of Neurology, the Marlene and Paolo Fresco Institute for Parkinson's Disease and Movement Disorders, New York University Langone Health, New York, NY, 10017, USA.
- Department of Neuroscience and Physiology, Neuroscience Institute, The Parekh Center for Interdisciplinary Neurology, New York University Grossman School of Medicine, New York, NY, 10016, USA.
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15
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Deng P, Xu K, Zhou X, Xiang Y, Xu Q, Sun Q, Li Y, Yu H, Wu X, Yan X, Guo J, Tang B, Liu Z. Constructing prediction models for excessive daytime sleepiness by nomogram and machine learning: A large Chinese multicenter cohort study. Front Aging Neurosci 2022; 14:938071. [PMID: 35966776 PMCID: PMC9372350 DOI: 10.3389/fnagi.2022.938071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveAlthough risk factors for excessive daytime sleepiness (EDS) have been reported, there are still few cohort-based predictive models for EDS in Parkinson’s disease (PD). This 1-year longitudinal study aimed to develop a predictive model of EDS in patients with PD using a nomogram and machine learning (ML).Materials and methodsA total of 995 patients with PD without EDS were included, and clinical data during the baseline period were recorded, which included basic information as well as motor and non-motor symptoms. One year later, the presence of EDS in this population was re-evaluated. First, the baseline characteristics of patients with PD with or without EDS were analyzed. Furthermore, a Cox proportional risk regression model and XGBoost ML were used to construct a prediction model of EDS in PD.ResultsAt the 1-year follow-up, EDS occurred in 260 of 995 patients with PD (26.13%). Baseline features analysis showed that EDS correlated significantly with age, age of onset (AOO), hypertension, freezing of gait (FOG). In the Cox proportional risk regression model, we included high body mass index (BMI), late AOO, low motor score on the 39-item Parkinson’s Disease Questionnaire (PDQ-39), low orientation score on the Mini-Mental State Examination (MMSE), and absence of FOG. Kaplan–Meier survival curves showed that the survival prognosis of patients with PD in the high-risk group was significantly worse than that in the low-risk group. XGBoost demonstrated that BMI, AOO, PDQ-39 motor score, MMSE orientation score, and FOG contributed to the model to different degrees, in decreasing order of importance, and the overall accuracy of the model was 71.86% after testing.ConclusionIn this study, we showed that risk factors for EDS in patients with PD include high BMI, late AOO, a low motor score of PDQ-39, low orientation score of MMSE, and lack of FOG, and their importance decreased in turn. Our model can predict EDS in PD with relative effectivity and accuracy.
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Affiliation(s)
- Penghui Deng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Kun Xu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoxia Zhou
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Yaqin Xiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Qian Xu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Qiying Sun
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, China
| | - Yan Li
- Research Institute, Hunan Kechuang Information Technology Joint-Stock Co., Ltd., Changsha, China
| | - Haiqing Yu
- Research Institute, Hunan Kechuang Information Technology Joint-Stock Co., Ltd., Changsha, China
| | - Xinyin Wu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Xinxiang Yan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jifeng Guo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
- Hunan Key Laboratory of Medical Genetics, Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
- Hunan Key Laboratory of Medical Genetics, Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Zhenhua Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
- Hunan Key Laboratory of Medical Genetics, Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
- *Correspondence: Zhenhua Liu,
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16
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Ma J, Dou K, Liu R, Liao Y, Yuan Z, Xie A. Associations of Sleep Disorders With Depressive Symptoms in Early and Prodromal Parkinson's Disease. Front Aging Neurosci 2022; 14:898149. [PMID: 35754965 PMCID: PMC9226450 DOI: 10.3389/fnagi.2022.898149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/26/2022] [Indexed: 12/24/2022] Open
Abstract
Background Non-motor symptoms, including sleep disorders and depression, are common in Parkinson’s disease (PD). The purpose of our study is to explore the effect of sleep disorders, including the probable rapid eye movement (REM) sleep behavior disorder (pRBD) and the daytime sleepiness, on depressive symptoms in patients with early and prodromal PD. Methods A total of 683 participants who obtained from the Parkinson Progression Markers Initiative (PPMI) were included, consisting of 423 individuals with early PD, 64 individuals with prodromal PD, and 196 healthy controls (HCs), who were followed up to 5 years from baseline. Multiple linear regression models and linear mixed-effects models were conducted to explore the relationship between sleep disorders and depression at baseline and longitudinally, respectively. Multiple linear regression models were used to further investigate the association between the change rates of daytime sleepiness score and depression-related score. Mediation analyses were also performed. Results At baseline analysis, individuals with early and prodromal PD, who had higher RBD screening questionnaire (RBDSQ) score, or who were considered as pRBD, or who manifested specific behaviors of RBD (things falling down when sleep or disturbance of sleep), showed significantly the higher score of depression-related questionnaires. Our 5-year follow-up study showed that sleep disorders, including pRBD and daytime sleepiness, were associated with the increased depressive-related score in individuals with early and prodromal PD. Interestingly, we also found that the increased possibilities of daytime sleepiness were associated with depressive-related score. Finally, mediation analysis demonstrated that the relationship between RBD and depressive symptoms was partially mediated by autonomic symptoms, such as postural hypertension, salivation, dysphagia, and constipation. Conclusion Our study shows that sleep disorders, including pRBD and daytime sleepiness, are associated with depression at baseline and longitudinally, which is partially mediated by the autonomic dysfunction in early and prodromal PD, with an implication that sleep management is of great value for disease surveillance.
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Affiliation(s)
- Jiangnan Ma
- Departmentof Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Kaixin Dou
- Departmentof Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ruize Liu
- Department of Intensive Care Unit, Affiliated Qingdao Municipal Hospital of Qingdao University, Qingdao, China
| | - Yajin Liao
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Zengqiang Yuan
- Departmentof Neurology, Affiliated Hospital of Qingdao University, Qingdao, China.,The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Anmu Xie
- Departmentof Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
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17
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Peball M, Seppi K, Krismer F, Knaus H, Spielberger S, Heim B, Ellmerer P, Werkmann M, Poewe W, Djamshidian A. Effects of nabilone on sleep outcomes in patients with Parkinson's disease: a post‐hoc analysis of
NMS‐Nab
study. Mov Disord Clin Pract 2022; 9:751-758. [PMID: 35937495 PMCID: PMC9346252 DOI: 10.1002/mdc3.13471] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/19/2022] [Accepted: 04/25/2022] [Indexed: 11/10/2022] Open
Abstract
Background The synthetic tetrahydrocannabinol analogue nabilone improved overall non‐motor symptom (NMS) burden in Parkinson's disease (PD) patients in comparison to placebo. Objectives To characterize the effects of nabilone on different sleep outcomes in PD patients. Methods We performed a post‐hoc analysis of the controlled, double‐blind, enriched enrollment randomized withdrawal NMS‐Nab study to assess the effects of nabilone on sleep outcomes in study participants who reported clinically‐relevant sleep problems (MDS‐UPDRS‐1.7 ≥ 2 points). Results After open‐label nabilone administration, 77.4% reported no relevant sleep problem. In the withdrawal phase of the trial, the MDS‐UPDRS‐1.7. and the NMS‐Scale Domain 2 (i.e., Sleep/Fatigue) significantly worsened only in PD patients in the placebo group, which was mostly driven by a significant worsening of insomnia (question 5 of the NMS‐Scale Domain 2). Conclusions This post‐hoc analysis of the NMS‐Nab trial suggests that nabilone has beneficial effects on sleep outcomes in PD patients experiencing sleep problems at baseline. The original trial was registered with ClinicalTrials.gov (NCT03769896, https://clinicaltrials.gov/ct2/show/NCT03769896) and EudraCT (2017–000192‐86).
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Affiliation(s)
- Marina Peball
- Department of Neurology Medical University of Innsbruck Austria
| | - Klaus Seppi
- Department of Neurology Medical University of Innsbruck Austria
| | - Florian Krismer
- Department of Neurology Medical University of Innsbruck Austria
| | - Hans‐Günther Knaus
- Department for Medical Genetics, Molecular, and Clinical Pharmacology Medical University of Innsbruck Austria
| | | | - Beatrice Heim
- Department of Neurology Medical University of Innsbruck Austria
| | | | - Mario Werkmann
- Department of Neurology Medical University of Innsbruck Austria
| | - Werner Poewe
- Department of Neurology Medical University of Innsbruck Austria
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18
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Ye G, Xu X, Zhou L, Zhao A, Zhu L, Liu J. Evolution patterns of probable REM sleep behavior disorder predicts Parkinson's disease progression. NPJ Parkinsons Dis 2022; 8:36. [PMID: 35383198 PMCID: PMC8983711 DOI: 10.1038/s41531-022-00303-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 03/09/2022] [Indexed: 11/09/2022] Open
Abstract
The course of REM sleep behavior disorder (RBD) variates in the early stage of Parkinson's disease. We aimed to delineate the association between the evolution pattern of probable RBD (pRBD) and the progression of Parkinson's disease (PD). 281 de novo PD patients from the Parkinson's Progression Markers Initiative database were included. Patients were followed up for a mean of 6.8 years and were classified into different groups according to the evolution patterns of pRBD. Disease progression was compared among groups using survival analysis, where the endpoint was defined as progression to Hoehn-Yahr stage 3 or higher for motor progression and progression to mild cognitive impairment for cognitive decline. At the 4th year of follow-up, four types of pRBD evolution patterns were identified: (1) non-RBD-stable (55.5%): patients persistently free of pRBD; (2) late-RBD (12.1%): patients developed pRBD during follow-up; (3) RBD-stable (24.9%): patients showed persistent pRBD, and (4) RBD-reversion (7.5%): patients showed pRBD at baseline which disappeared during follow-up. The RBD-reversion type showed the fastest motor progression while the RBD-stable type showed the fastest cognitive decline. At baseline, the RBD-reversion type showed the most severe gray matter atrophy in the middle frontal gyrus, while the RBD-stable type showed gray matter atrophy mainly in the para-hippocampal gyrus. Four types of early pRBD evolution patterns featured different brain lesions and predicted different courses of motor and cognitive decline in PD.
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Affiliation(s)
- Guanyu Ye
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaomeng Xu
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liche Zhou
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Aonan Zhao
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lin Zhu
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun Liu
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. .,CAS Center for Excellence in Brain Science and Intelligence Technology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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19
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Bidirectional Mendelian randomization to explore the causal relationships between Sleep traits, Parkinson's disease and Amyotrophic lateral sclerosis. Sleep Med 2022; 96:42-49. [DOI: 10.1016/j.sleep.2022.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 02/22/2022] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
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20
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Ko YF, Kuo PH, Wang CF, Chen YJ, Chuang PC, Li SZ, Chen BW, Yang FC, Lo YC, Yang Y, Ro SCV, Jaw FS, Lin SH, Chen YY. Quantification Analysis of Sleep Based on Smartwatch Sensors for Parkinson's Disease. BIOSENSORS 2022; 12:bios12020074. [PMID: 35200335 PMCID: PMC8869576 DOI: 10.3390/bios12020074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 05/15/2023]
Abstract
Rapid eye movement (REM) sleep behavior disorder (RBD) is associated with Parkinson's disease (PD). In this study, a smartwatch-based sensor is utilized as a convenient tool to detect the abnormal RBD phenomenon in PD patients. Instead, a questionnaire with sleep quality assessment and sleep physiological indices, such as sleep stage, activity level, and heart rate, were measured in the smartwatch sensors. Therefore, this device can record comprehensive sleep physiological data, offering several advantages such as ubiquity, long-term monitoring, and wearable convenience. In addition, it can provide the clinical doctor with sufficient information on the patient's sleeping patterns with individualized treatment. In this study, a three-stage sleep staging method (i.e., comprising sleep/awake detection, sleep-stage detection, and REM-stage detection) based on an accelerometer and heart-rate data is implemented using machine learning (ML) techniques. The ML-based algorithms used here for sleep/awake detection, sleep-stage detection, and REM-stage detection were a Cole-Kripke algorithm, a stepwise clustering algorithm, and a k-means clustering algorithm with predefined criteria, respectively. The sleep staging method was validated in a clinical trial. The results showed a statistically significant difference in the percentage of abnormal REM between the control group (1.6 ± 1.3; n = 18) and the PD group (3.8 ± 5.0; n = 20) (p = 0.04). The percentage of deep sleep stage in our results presented a significant difference between the control group (38.1 ± 24.3; n = 18) and PD group (22.0 ± 15.0, n = 20) (p = 0.011) as well. Further, our results suggested that the smartwatch-based sensor was able to detect the difference of an abnormal REM percentage in the control group (1.6 ± 1.3; n = 18), PD patient with clonazepam (2.0 ± 1.7; n = 10), and without clonazepam (5.7 ± 7.1; n = 10) (p = 0.007). Our results confirmed the effectiveness of our sensor in investigating the sleep stage in PD patients. The sensor also successfully determined the effect of clonazepam on reducing abnormal REM in PD patients. In conclusion, our smartwatch sensor is a convenient and effective tool for sleep quantification analysis in PD patients.
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Affiliation(s)
- Yi-Feng Ko
- Department of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan; (Y.-F.K.); (F.-S.J.)
| | - Pei-Hsin Kuo
- Department of Neurology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan;
- Department of Neurology, School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Ching-Fu Wang
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (C.-F.W.); (S.-Z.L.); (B.-W.C.); (Y.Y.)
- Biomedical Engineering Research and Development Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Yu-Jen Chen
- Department of Healthcare Solution FW R&D, ASUSTeK Computer Incrporation, Taipei 11259, Taiwan; (Y.-J.C.); (P.-C.C.)
| | - Pei-Chi Chuang
- Department of Healthcare Solution FW R&D, ASUSTeK Computer Incrporation, Taipei 11259, Taiwan; (Y.-J.C.); (P.-C.C.)
| | - Shih-Zhang Li
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (C.-F.W.); (S.-Z.L.); (B.-W.C.); (Y.Y.)
| | - Bo-Wei Chen
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (C.-F.W.); (S.-Z.L.); (B.-W.C.); (Y.Y.)
| | - Fu-Chi Yang
- School of Health Care Administration, Taipei Medical University, Taipei 11031, Taiwan;
| | - Yu-Chun Lo
- The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taipei 11031, Taiwan;
| | - Yi Yang
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (C.-F.W.); (S.-Z.L.); (B.-W.C.); (Y.Y.)
| | - Shuan-Chu Vina Ro
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA;
| | - Fu-Shan Jaw
- Department of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan; (Y.-F.K.); (F.-S.J.)
| | - Sheng-Huang Lin
- Department of Neurology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97002, Taiwan;
- Department of Neurology, School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
- Correspondence: (S.-H.L.); (Y.-Y.C.)
| | - You-Yin Chen
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (C.-F.W.); (S.-Z.L.); (B.-W.C.); (Y.Y.)
- The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Correspondence: (S.-H.L.); (Y.-Y.C.)
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21
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Spathopoulou A, Edenhofer F, Fellner L. Targeting α-Synuclein in Parkinson's Disease by Induced Pluripotent Stem Cell Models. Front Neurol 2022; 12:786835. [PMID: 35145469 PMCID: PMC8821105 DOI: 10.3389/fneur.2021.786835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/24/2021] [Indexed: 11/22/2022] Open
Abstract
Parkinson's disease (PD) is a progressive, neurodegenerative disorder characterized by motor and non-motor symptoms. To date, no specific treatment to halt disease progression is available, only medication to alleviate symptoms can be prescribed. The main pathological hallmark of PD is the development of neuronal inclusions, positive for α-synuclein (α-syn), which are termed Lewy bodies (LBs) or Lewy neurites. However, the cause of the inclusion formation and the loss of neurons remain largely elusive. Various genetic determinants were reported to be involved in PD etiology, including SNCA, DJ-1, PRKN, PINK1, LRRK2, and GBA. Comprehensive insights into pathophysiology of PD critically depend on appropriate models. However, conventional model organisms fall short to faithfully recapitulate some features of this complex disease and as a matter-of-fact access to physiological tissue is limiting. The development of disease models replicating PD that are close to human physiology and dynamic enough to analyze the underlying molecular mechanisms of disease initiation and progression, as well as the generation of new treatment options, is an important and overdue step. Recently, the establishment of induced pluripotent stem cell (iPSC)-derived neural models, particularly from genetic PD-variants, developed into a promising strategy to investigate the molecular mechanisms regarding formation of inclusions and neurodegeneration. As these iPSC-derived neurons can be generated from accessible biopsied samples of PD patients, they carry pathological alterations and enable the possibility to analyze the differences compared to healthy neurons. This review focuses on iPSC models carrying genetic PD-variants of α-syn that will be especially helpful in elucidating the pathophysiological mechanisms of PD. Furthermore, we discuss how iPSC models can be instrumental in identifying cellular targets, potentially leading to the development of new therapeutic treatments. We will outline the enormous potential, but also discuss the limitations of iPSC-based α-syn models.
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22
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Urso D, Leta V, Rukavina K. Management strategies of sexual dysfunctions in Parkinson's disease. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2022; 162:97-116. [PMID: 35397790 DOI: 10.1016/bs.irn.2021.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Sexual dysfunctions (SD) are frequent and highly disabling nonmotor manifestations of Parkinson's disease (PD) but are also potentially treatable. Neurologists should actively discuss, recognize and treat sexual health issues as an integral part of the management of the disease. In this chapter, we provide recommendations for managing and treating both primary and secondary SD in PD. Many sexual problems can be, at least partially, improved by adjusting the treatment of motor, nonmotor symptoms and comorbidities. Although some treatments of primary SD are evidence-based, many therapeutic options have not been yet systematically studied in patients with PD. The development of new treatments and repurposing of existing remedies in patients with PD remain an unmet need.
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Affiliation(s)
- Daniele Urso
- King's College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, Denmark Hill, London, United Kingdom; Center for Neurodegenerative Diseases and the Aging Brain, Department of Clinical Research in Neurology, University of Bari 'Aldo Moro', "Pia Fondazione Cardinale G. Panico", Tricase, Lecce, Italy.
| | - Valentina Leta
- King's College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, Denmark Hill, London, United Kingdom
| | - Katarina Rukavina
- King's College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, Denmark Hill, London, United Kingdom
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23
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Mizrahi-Kliger AD, Feldmann LK, Kühn AA, Bergman H. Etiologies of insomnia in Parkinson's disease - Lessons from human studies and animal models. Exp Neurol 2022; 350:113976. [PMID: 35026228 DOI: 10.1016/j.expneurol.2022.113976] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/27/2021] [Accepted: 01/06/2022] [Indexed: 12/28/2022]
Abstract
Sleep disorders are integral to Parkinson's disease (PD). Insomnia, an inability to maintain stable sleep, affects most patients and is widely rated as one of the most debilitating facets of this disease. PD insomnia is often perceived as a multifactorial entity - a consequence of several of the disease symptoms, comorbidities and therapeutic strategies. Yet, this view evolved against a backdrop of a relative scarcity of works trying to directly dissect the underlying neural correlates and mechanisms in animal models. The last years have seen the emergence of a wealth of new evidence regarding the neural underpinnings of insomnia in PD. Here, we review early and recent reports from patients and animal models evaluating the etiology of PD insomnia. We start by outlining the phenomenology of PD insomnia and continue to analyze the evidence supporting insomnia as emanating from four distinct subdivisions of etiologies - the symptoms and comorbidities of the disease, the medical therapy, the degeneration of non-dopaminergic cell groups and subsequent alterations in circadian rhythms, and the degeneration of dopaminergic neurons in the brainstem and its resulting effect on the basal ganglia. Finally, we review emerging neuromodulation-based therapeutic avenues for PD insomnia.
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Affiliation(s)
- Aviv D Mizrahi-Kliger
- Department of Neurobiology, Institute of Medical Research Israel-Canada, Hadassah Medical School, The Hebrew University of Jerusalem, Jerusalem 91120, Israel.
| | - Lucia K Feldmann
- Department of Neurology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charitéplatz 1, Berlin 10117, Germany
| | - Andrea A Kühn
- Department of Neurology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charitéplatz 1, Berlin 10117, Germany; NeuroCure Cluster of Excellence, Charité - Universitätsmedizin Berlin, Charitéplatz 1, Berlin 10117, Germany; Deutsches Zentrum für Neurodegenerative Erkrankungen, Berlin, Germany
| | - Hagai Bergman
- Department of Neurobiology, Institute of Medical Research Israel-Canada, Hadassah Medical School, The Hebrew University of Jerusalem, Jerusalem 91120, Israel; The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University, Jerusalem 91904, Israel; Department of Neurosurgery, Hadassah University Hospital, Jerusalem 91120, Israel
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24
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Longitudinal Studies of Sleep Disturbances in Parkinson's Disease. Curr Neurol Neurosci Rep 2022; 22:635-655. [PMID: 36018498 PMCID: PMC9617954 DOI: 10.1007/s11910-022-01223-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 01/27/2023]
Abstract
PURPOSE OF REVIEW Sleep disorders are among the most common non-motor symptoms in Parkinson's disease (PD). Recent longitudinal studies of sleep in PD have utilized validated sleep questionnaires and video-polysomnography performed over multiple time points. This review summarizes existing longitudinal studies focusing on the prevalence, associations, and changes of sleep disorders in PD over time, as well as the methodologies used in these studies. RECENT FINDINGS Fifty-three longitudinal studies of sleep in PD were identified: excessive daytime sleepiness, insomnia, obstructive sleep apnea, rapid eye movement sleep behavior disorder (RBD), restless legs syndrome, and shift work disorder were studied in addition to other studies that had focused on either multiple sleep disorders or broadly on sleep disorders as a whole. The prevalence of sleep disorders increases over time and are associated particularly with non-motor features of disease. RBD is now considered an established prodromal feature of PD, but other sleep disorders do not clearly increase risk of subsequent PD. Further work is necessary to determine if treatment of sleep disorders in PD alters disease symptom and their progression or reduces PD risk. Longitudinal studies of sleep in PD have demonstrated a high prevalence of sleep disorders that are associated with non-motor features of PD which can increase over time. More work is necessary to determine if treatment of sleep disorders can alter the course of PD.
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25
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Pfeifer KJ, Cook AJ, Yankulova JK, Mortimer BJP, Erickson-DiRenzo E, Dhall R, Montaser-Kouhsari L, Tass PA. Clinical Efficacy and Dosing of Vibrotactile Coordinated Reset Stimulation in Motor and Non-motor Symptoms of Parkinson's Disease: A Study Protocol. Front Neurol 2021; 12:758481. [PMID: 34867742 PMCID: PMC8636796 DOI: 10.3389/fneur.2021.758481] [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: 08/14/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Enhanced neuronal synchronization of the subthalamic nucleus (STN) is commonly found in PD patients and corresponds to decreased motor ability. Coordinated reset (CR) was developed to decouple synchronized states causing long lasting desynchronization of neural networks. Vibrotactile CR stimulation (vCR) was developed as non-invasive therapeutic that delivers gentle vibrations to the fingertips. A previous study has shown that vCR can desynchronize abnormal brain rhythms within the sensorimotor cortex of PD patients, corresponding to sustained motor relief after 3 months of daily treatment. To further develop vCR, we created a protocol that has two phases. Study 1, a double blinded randomized sham-controlled study, is designed to address motor and non-motor symptoms, sensorimotor integration, and potential calibration methods. Study 2 examines dosing effects of vCR using a remote study design. In Study 1, we will perform a 7-month double-blind sham-controlled study including 30 PD patients randomly placed into an active vCR or inactive (sham) vCR condition. Patients will receive stimulation for 4 h a day in 2-h blocks for 6 months followed by a 1-month pause in stimulation to assess long lasting effects. Our primary outcome measure is the Movement Disorders Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) part III off medication after 6 months of treatment. Secondary measures include a freezing of gait (FOG) questionnaire, objective motor evaluations, sensorimotor electroencephalography (EEG) results, a vibratory temporal discrimination task (VTDT), non-motor symptom evaluations/tests such as sleep, smell, speech, quality of life measurements and Levodopa Equivalent Daily Dose (LEDD). Patients will be evaluated at baseline, 3, 6, and 7 months. In the second, unblinded study phase (Study 2), all patients will be given the option to receive active vCR stimulation at a reduced dose for an additional 6 months remotely. The remote MDS-UPDRS part III off medication will be our primary outcome measure. Secondary measures include sleep, quality of life, objective motor evaluations, FOG and LEDD. Patients will be evaluated in the same time periods as the first study. Results from this study will provide clinical efficacy of vCR and help validate our investigational vibrotactile device for the purpose of obtaining FDA clearance. Clinical Trial Registration: ClinicalTrials.gov, identifier: NCT04877015.
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Affiliation(s)
- Kristina J. Pfeifer
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
| | - Alex J. Cook
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
| | - Jessica K. Yankulova
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
| | | | - Elizabeth Erickson-DiRenzo
- Department of Otolarygology Head and Neck Surgery/Laryngology Division, Stanford University School of Medicine, Stanford, CA, United States
| | - Rohit Dhall
- Department of Neurology, Center for Neurodegenerative Disorders, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Leila Montaser-Kouhsari
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, United States
| | - Peter A. Tass
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
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26
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Pasquini J, Brooks DJ, Pavese N. The Cholinergic Brain in Parkinson's Disease. Mov Disord Clin Pract 2021; 8:1012-1026. [PMID: 34631936 DOI: 10.1002/mdc3.13319] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/07/2021] [Accepted: 07/22/2021] [Indexed: 02/06/2023] Open
Abstract
The central cholinergic system includes the basal forebrain nuclei, mainly projecting to the cortex, the mesopontine tegmental nuclei, mainly projecting to the thalamus and subcortical structures, and other groups of projecting neurons and interneurons. This system regulates many functions of human behavior such as cognition, locomotion, and sleep. In Parkinson's disease (PD), disruption of central cholinergic transmission has been associated with cognitive decline, gait problems, freezing of gait (FOG), falls, REM sleep behavior disorder (RBD), neuropsychiatric manifestations, and olfactory dysfunction. Neuropathological and neuroimaging evidence suggests that basal forebrain pathology occurs simultaneously with nigrostriatal denervation, whereas pathology in the pontine nuclei may occur before the onset of motor symptoms. These studies have also detailed the clinical implications of cholinergic dysfunction in PD. Degeneration of basal forebrain nuclei and consequential cortical cholinergic denervation are associated with and may predict the subsequent development of cognitive decline and neuropsychiatric symptoms. Gait problems, FOG, and falls are associated with a complex dysfunction of both pontine and basal forebrain nuclei. Olfactory impairment is associated with cholinergic denervation of the limbic archicortex, specifically hippocampus and amygdala. Available evidence suggests that cholinergic dysfunction, alongside failure of the dopaminergic and other neurotransmitters systems, contributes to the generation of a specific set of clinical manifestations. Therefore, a "cholinergic phenotype" can be identified in people presenting with cognitive decline, falls, and RBD. In this review, we will summarize the organization of the central cholinergic system and the clinical correlates of cholinergic dysfunction in PD.
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Affiliation(s)
- Jacopo Pasquini
- Department of Pathophysiology and Transplantation University of Milan Milan Italy.,Clinical Ageing Research Unit Newcastle University Newcastle upon Tyne United Kingdom
| | - David J Brooks
- Positron Emission Tomography Centre Newcastle University Newcastle upon Tyne United Kingdom.,Department of Nuclear Medicine and PET Centre Aarhus University Hospital Aarhus Denmark
| | - Nicola Pavese
- Clinical Ageing Research Unit Newcastle University Newcastle upon Tyne United Kingdom.,Department of Nuclear Medicine and PET Centre Aarhus University Hospital Aarhus Denmark
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27
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Liu Y, Lawton MA, Lo C, Bowring F, Klein JC, Querejeta-Coma A, Scotton S, Welch J, Razzaque J, Barber T, Ben-Shlomo Y, Hu MT. Longitudinal Changes in Parkinson's Disease Symptoms with and Without Rapid Eye Movement Sleep Behavior Disorder: The Oxford Discovery Cohort Study. Mov Disord 2021; 36:2821-2832. [PMID: 34448251 DOI: 10.1002/mds.28763] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Parkinson's disease (PD) comorbid with rapid eye movement sleep behavior disorder (RBD) may show more severe motor and nonmotor symptoms, suggesting a distinct PD subtype. OBJECTIVE The aim of this study was to investigate the impact of RBD on the longitudinal change of motor and nonmotor symptoms in patients with PD. METHODS Patients with early PD (diagnosed within 3.5 years) recruited from 2010 to 2019 were followed every 18 months in the Oxford Parkinson's Disease Centre Discovery cohort. At each visit, we used standard questionnaires and measurements to assess demographic features and motor and nonmotor symptoms (including RBD, daytime sleepiness, mood, autonomic symptoms, cognition, and olfaction). Data were analyzed with linear mixed effects and Cox regression models. Possible RBD (pRBD) was longitudinally determined according to RBD Screening Questionnaire scores. RESULTS A total of 923 patients were recruited (mean age: 67.1 ± 9.59 years; 35.9% female), and 788 had follow-up assessment(s) (mean: 4.8 ± 1.98 years, range: 1.3-8.3). Among them, 33.3% were identified as pRBD (PD + pRBD). Patients with PD + pRBD had more severe baseline symptoms and showed faster progression on Movement Disorder Society-Unified Parkinson's Disease Rating Scale parts I and III, Purdue Pegboard test, and Beck Depression Inventory scores. Moreover, PD + pRBD was associated with an increased level of risk for mild cognitive impairment (hazard ratio [HR] = 1.36, 95% confidence interval [CI]: 1.01-1.83), freezing of gait (HR = 1.42, 95% CI: 1.10-1.86), and frequent falling (HR = 1.62, 95% CI: 1.02-2.60). CONCLUSIONS Patients with PD + pRBD progress faster on motor, mood, and cognitive symptoms, confirming a more aggressive PD subtype that can be identified at baseline and has major clinical implications. © 2021 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Yaping Liu
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Michael A Lawton
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Christine Lo
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.,Department of Neurology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Francesca Bowring
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom
| | - Johannes C Klein
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.,Department of Neurology, John Radcliffe Hospital, Oxford, United Kingdom
| | - Agustin Querejeta-Coma
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.,Department of Neurology, John Radcliffe Hospital, Oxford, United Kingdom.,Department of Neurology, Infanta Elena University Hospital, Valdemoro, Spain.,Department of Neurology, Rey Juan Carlos University Hospital, Móstoles, Spain
| | - Sangeeta Scotton
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom
| | - Jessica Welch
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom
| | - Jamil Razzaque
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom
| | - Thomas Barber
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.,Department of Neurology, John Radcliffe Hospital, Oxford, United Kingdom
| | - Yoav Ben-Shlomo
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Michele T Hu
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.,Department of Neurology, John Radcliffe Hospital, Oxford, United Kingdom
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28
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Santos-García D, de Deus T, Cores C, Canfield H, Paz González JM, Martínez Miró C, Valdés Aymerich L, Suárez E, Jesús S, Aguilar M, Pastor P, Planellas L, Cosgaya M, García Caldentey J, Caballol N, Legarda I, Hernández-Vara J, Cabo I, López Manzanares L, González Aramburu I, Ávila Rivera MA, Catalán MJ, Nogueira V, Puente V, Dotor J, Borrué C, Solano B, Álvarez Sauco M, Vela L, Escalante S, Cubo E, Carrillo F, Martínez Castrillo JC, Sánchez Alonso P, Alonso G, López Ariztegui N, Gastón I, Kulisevsky J, Blázquez M, Seijo M, Rúiz Martínez J, Valero C, Kurtis M, de Fábregues O, Ardura J, Alonso R, Ordás C, López Díaz LM, McAfee D, Martinez-Martin P, Mir P. Predictors of Global Non-Motor Symptoms Burden Progression in Parkinson's Disease. Results from the COPPADIS Cohort at 2-Year Follow-Up. J Pers Med 2021; 11:626. [PMID: 34209166 PMCID: PMC8305732 DOI: 10.3390/jpm11070626] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/26/2021] [Accepted: 06/28/2021] [Indexed: 12/25/2022] Open
Abstract
Background and Objective: Non-motor symptoms (NMS) progress in different ways between Parkinson's disease (PD) patients. The aim of the present study was to (1) analyze the change in global NMS burden in a PD cohort after a 2-year follow-up, (2) to compare the changes with a control group, and (3) to identify predictors of global NMS burden progression in the PD group. Material and Methods: PD patients and controls, recruited from 35 centers of Spain from the COPPADIS cohort from January 2016 to November 2017, were followed-up with after 2 years. The Non-Motor Symptoms Scale (NMSS) was administered at baseline (V0) and at 24 months ± 1 month (V2). Linear regression models were used for determining predictive factors of global NMS burden progression (NMSS total score change from V0 to V2 as dependent variable). Results: After the 2-year follow-up, the mean NMS burden (NMSS total score) significantly increased in PD patients by 18.8% (from 45.08 ± 37.62 to 53.55 ± 42.28; p < 0.0001; N = 501; 60.2% males, mean age 62.59 ± 8.91) compared to no change observed in controls (from 14.74 ± 18.72 to 14.65 ± 21.82; p = 0.428; N = 122; 49.5% males, mean age 60.99 ± 8.32) (p < 0.0001). NMSS total score at baseline (β = -0.52), change from V0 to V2 in PDSS (Parkinson's Disease Sleep Scale) (β = -0.34), and change from V0 to V2 in NPI (Neuropsychiatric Inventory) (β = 0.25) provided the highest contributions to the model (adjusted R-squared 0.41; Durbin-Watson test = 1.865). Conclusions: Global NMS burden demonstrates short-term progression in PD patients but not in controls and identifies worsening sleep problems and neuropsychiatric symptoms as significant independent predictors of this NMS progression.
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Affiliation(s)
- Diego Santos-García
- CHUAC, Complejo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (C.C.); (J.M.P.G.); (C.M.M.); (L.V.A.)
| | - Teresa de Deus
- CHUF, Complejo Hospitalario Universitario de Ferrol, 15405 A Coruña, Spain; (T.d.D.); (H.C.); (E.S.)
| | - Carlos Cores
- CHUAC, Complejo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (C.C.); (J.M.P.G.); (C.M.M.); (L.V.A.)
| | - Hector Canfield
- CHUF, Complejo Hospitalario Universitario de Ferrol, 15405 A Coruña, Spain; (T.d.D.); (H.C.); (E.S.)
| | - Jose M Paz González
- CHUAC, Complejo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (C.C.); (J.M.P.G.); (C.M.M.); (L.V.A.)
| | - Cristina Martínez Miró
- CHUAC, Complejo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (C.C.); (J.M.P.G.); (C.M.M.); (L.V.A.)
| | - Lorena Valdés Aymerich
- CHUAC, Complejo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (C.C.); (J.M.P.G.); (C.M.M.); (L.V.A.)
| | - Ester Suárez
- CHUF, Complejo Hospitalario Universitario de Ferrol, 15405 A Coruña, Spain; (T.d.D.); (H.C.); (E.S.)
| | - Silvia Jesús
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, 41009 Seville, Spain; (S.J.); (P.M.)
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), 28031 Madrid, Spain; (I.G.A.); (J.K.); (P.M.-M.)
| | - Miquel Aguilar
- Hospital Universitari Mutua de Terrassa, 08221 Barcelona, Spain; (M.A.); (P.P.)
| | - Pau Pastor
- Hospital Universitari Mutua de Terrassa, 08221 Barcelona, Spain; (M.A.); (P.P.)
| | - Lluis Planellas
- Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (M.C.)
| | - Marina Cosgaya
- Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (M.C.)
| | | | - Nuria Caballol
- Consorci Sanitari Integral, Hospital Moisés Broggi, 08970 Barcelona, Spain;
| | - Ines Legarda
- Hospital Universitario Son Espases, 07120 Palma de Mallorca, Spain;
| | - Jorge Hernández-Vara
- Hospital Universitario Vall d’Hebron, 08035 Barcelona, Spain; (J.H.-V.); (O.d.F.)
| | - Iria Cabo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), 36071 Pontevedra, Spain; (I.C.); (M.S.)
| | | | - Isabel González Aramburu
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), 28031 Madrid, Spain; (I.G.A.); (J.K.); (P.M.-M.)
- Hospital Universitario Marqués de Valdecilla, 39011 Santander, Spain
| | - Maria A Ávila Rivera
- Consorci Sanitari Integral, Hospital General de L’Hospitalet, 08906 Barcelona, Spain;
| | - Maria J Catalán
- Hospital Universitario Clínico San Carlos, 28040 Madrid, Spain;
| | | | | | - Julio Dotor
- Hospital Universitario Virgen Macarena, 41009 Sevilla, Spain;
| | | | - Berta Solano
- Institut d’Assistència Sanitària (IAS)—Institut Català de la Salut, 17190 Girona, Spain;
| | | | - Lydia Vela
- Fundación Hospital de Alcorcón, 28922 Madrid, Spain;
| | - Sonia Escalante
- Hospital de Tortosa Verge de la Cinta (HTVC), 43500 Tarragona, Spain;
| | - Esther Cubo
- Complejo Asistencial Universitario de Burgos, 09006 Burgos, Spain;
| | - Francisco Carrillo
- Hospital Universitario de Canarias, 38320 San Cristóbal de la Laguna, Spain;
| | | | | | - Gemma Alonso
- Hospital Álvaro Cunqueiro, Complejo Hospitalario Universitario de Vigo (CHUVI), 36213 Vigo, Spain;
| | | | - Itziar Gastón
- Complejo Hospitalario de Navarra, 31008 Pamplona, Spain;
| | - Jaime Kulisevsky
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), 28031 Madrid, Spain; (I.G.A.); (J.K.); (P.M.-M.)
- Hospital de Sant Pau, 08041 Barcelona, Spain
| | - Marta Blázquez
- Hospital Universitario Central de Asturias, 33011 Oviedo, Spain;
| | - Manuel Seijo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), 36071 Pontevedra, Spain; (I.C.); (M.S.)
| | | | | | | | - Oriol de Fábregues
- Hospital Universitario Vall d’Hebron, 08035 Barcelona, Spain; (J.H.-V.); (O.d.F.)
| | | | - Ruben Alonso
- Hospital Universitario Lucus Augusti (HULA), 27002 Lugo, Spain;
| | | | - Luis M López Díaz
- Complejo Hospitalario Universitario de Orense (CHUO), 32005 Orense, Spain;
| | - Darrian McAfee
- Laboratory for Cognition and Neural Stimulation, Univeristy of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Pablo Martinez-Martin
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), 28031 Madrid, Spain; (I.G.A.); (J.K.); (P.M.-M.)
| | - Pablo Mir
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, 41009 Seville, Spain; (S.J.); (P.M.)
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), 28031 Madrid, Spain; (I.G.A.); (J.K.); (P.M.-M.)
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Rukavina K, Batzu L, Boogers A, Abundes-Corona A, Bruno V, Chaudhuri KR. Non-motor complications in late stage Parkinson's disease: recognition, management and unmet needs. Expert Rev Neurother 2021; 21:335-352. [PMID: 33522312 DOI: 10.1080/14737175.2021.1883428] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: The burden of non-motor symptoms (NMS) is a major determinant of health-related quality of life in Parkinson's disease (PD), particularly at its late stage.Areas covered: The late stage is usually defined as the period from unstable advanced to the palliative stage, characterized by a combination of emerging treatment-resistant axial motor symptoms (freezing of gait, postural instability, falls and dysphagia), as well as both non-dopaminergic and dopaminergic NMS: cognitive decline, neuropsychiatric symptoms, aspects of dysautonomia, pain and sleep disturbances (insomnia and excessive day-time sleepiness). Here, the authors summarize the current knowledge on NMS dominating the late stage of PD and propose a pragmatic and clinically focused approach for their recognition and treatment.Expert opinion: The NMS progression pattern is complex and remains under-researched. While dopamine-dependent NMS may improve with dopamine replacement therapy, non-dopamine dependent NMS worsen progressively and culminate at the late stages of PD. Furthermore, some PD specific features could interact negatively with other comorbidities, multiple medication use and frailty - the evaluation of these aspects is important in the creation of personalized management plans in the late stage of PD.
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Affiliation(s)
- Katarina Rukavina
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience at King's College and King's College Hospital NHS Foundation Trust, London, UK.,Parkinson Foundation Centre of Excellence, King's College Hospital, London, UK
| | - Lucia Batzu
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience at King's College and King's College Hospital NHS Foundation Trust, London, UK.,Parkinson Foundation Centre of Excellence, King's College Hospital, London, UK
| | - Alexandra Boogers
- Department of Neurology, University Hospital Leuven, Leuven, U.Z, Belgium
| | - Arturo Abundes-Corona
- Department of Neurology, Clinical Laboratory of Neurodegenerative Diseases, National Institute of Neurology and Neurosurgery, Mexico City, México.,Neurology Department, American British Cowdray Medical Center IAP, Mexico City, Mexico
| | - Veronica Bruno
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - K Ray Chaudhuri
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience at King's College and King's College Hospital NHS Foundation Trust, London, UK.,Parkinson Foundation Centre of Excellence, King's College Hospital, London, UK
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