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Lenka A, Sundaravadivel P, Christopher R, Arumugham SS, Hegde S, Yadav R, Pal PK. HOMER1 Polymorphism and Parkinson's Disease-Psychosis: Is there an Association? Ann Indian Acad Neurol 2024; 27:178-182. [PMID: 38751916 PMCID: PMC11093156 DOI: 10.4103/aian.aian_1038_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/13/2024] [Accepted: 02/10/2024] [Indexed: 05/18/2024] Open
Abstract
Objective Homer1, a postsynaptic protein coded by the HOMER1 gene, presumably has a role in homeostatic plasticity that dampens neuronal responsiveness when the input activity is too high. HOMER1 polymorphism has been studied in major psychiatric disorders such as schizophrenia. The objective of this study is to investigate if polymorphisms of the HOMER1 gene are associated with psychosis in Parkinson's disease (PD-P). Methods One hundred patients with Parkinson's disease (PD) and 100 healthy controls were enrolled consecutively in a PD-P biomarker study at the National Institute of Mental Health and Neurosciences, Bangalore, India. Of the 100 PD patients, 50 had psychosis (PD-P) and 50 did not have psychosis (PD-NP). Two single-nucleotide polymorphisms of HOMER1 (rs4704559 and rs4704560) were analyzed from the DNA isolated from peripheral blood. The allele and genotype frequencies in the PD-P and PD-NP groups were compared. Results Analysis of HOMER1 rs4704560 revealed a significant difference in both genotype and allele levels between PD-P and PD-NP groups. There was an overrepresentation of T-allele (42% vs. 16%; P < 0.001) and TT genotype (24% vs. 6%; P < 0.001) in the PD-P group compared to PD-NP group. There was no significant difference between PD-P and PD-NP groups when various genotypes and allele frequencies related to HOMER1 rs4704559 were compared. Conclusion PD-P is probably associated with overrepresentation of T-allele of HOMER1 rs4704560, and larger studies are warranted to confirm our results.
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Affiliation(s)
- Abhishek Lenka
- Department of Clinical Neurosciences, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
- Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
- Department of Neurology, Baylor College of Medicine, Houston, USA
| | - Pandarisamy Sundaravadivel
- Department of Neurochemistry, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
- Department of Integrative Medical Research, PES University Institute of Medical Sciences and Research, Bengaluru, Karnataka, India
| | - Rita Christopher
- Department of Neurochemistry, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
- Department of Integrative Medical Research, PES University Institute of Medical Sciences and Research, Bengaluru, Karnataka, India
| | - Shyam S. Arumugham
- Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
| | - Shantala Hegde
- Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
| | - Ravi Yadav
- Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
| | - Pramod Kumar Pal
- Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
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Ercoli T, Bagella CF, Frau C, Ruiu E, Othmani S, Gusinu G, Masala C, Sechi LA, Solla P, Defazio G. Phantosmia in Parkinson's Disease: A Systematic Review of the Phenomenology of Olfactory Hallucinations. Neurol Int 2023; 16:20-32. [PMID: 38251050 PMCID: PMC10801480 DOI: 10.3390/neurolint16010002] [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: 10/17/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Olfactory dysfunction is a prevalent non-motor symptom in Parkinson's disease (PD), affecting approximately 65-90% of subjects. PD patients may also report odor perception in the absence of any external source, often referred to as olfactory hallucinations (OHs) or phantosmia. This study aims to explore the current understanding of OHs in PD and offer a comprehensive overview of their prevalence and characteristics. We conducted a systematic search of the literature published on PubMed from inception to July 2023 regarding OHs in PD, following PRISMA guidelines. From the 2875 studies identified through database searching, 29 studies fulfilled the necessary criteria and underwent data extraction. The frequency of OHs in PD patients varies widely, ranging from 0.5% to 18.2%, with female prevalence ranging from 36% to 75% of the patients. Olfactory experiences may vary widely, ranging from pleasant scents to unpleasant odors. Several studies have indicated the concurrent presence of other types of hallucinations alongside phantosmia, especially visual and auditory hallucinations. OHs in PD are a type of hallucination that has been largely overlooked. To gain a deeper understanding of OHs in PD patients, the next crucial step should involve the development and validation of a dedicated questionnaire.
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Affiliation(s)
- Tommaso Ercoli
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Caterina Francesca Bagella
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Claudia Frau
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Elisa Ruiu
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Sabrine Othmani
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Giansalvo Gusinu
- Department of Biomedical Sciences, Sassari University, 07100 Sassari, Italy; (G.G.); (L.A.S.)
| | - Carla Masala
- Department of Biomedical Sciences, University of Cagliari, SP 8 Cittadella Universitaria, 09042 Monserrato, Italy
| | - Leonardo Antonio Sechi
- Department of Biomedical Sciences, Sassari University, 07100 Sassari, Italy; (G.G.); (L.A.S.)
| | - Paolo Solla
- Department of Neurology, University of Sassari, Viale S. Pietro 10, 07100 Sassari, Italy; (T.E.); (C.F.B.); (C.F.); (E.R.); (S.O.)
| | - Giovanni Defazio
- Department of Translational Biomedicine and Neuroscience, University of Bari, 70121 Bari, Italy;
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Jiang Y, Zhu J, Zhao Y, Li D, Chen Y, Wang Y, Jiang X, Shen B, Pan Y, Yan J, Han F, Zhang L. Minor hallucinations in Parkinson's disease with probable rapid eye movement sleep behavior disorder. Front Neurosci 2023; 17:1205439. [PMID: 37645371 PMCID: PMC10461060 DOI: 10.3389/fnins.2023.1205439] [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: 04/13/2023] [Accepted: 07/31/2023] [Indexed: 08/31/2023] Open
Abstract
Background Rapid eye movement sleep behavior disorder (RBD) and minor hallucinations (MHs) are prevalent nonmotor symptoms in Parkinson's disease (PD). The purpose of this study was to explore the association of MHs in PD patients with probable RBD (pRBD). Methods This cross-sectional study included 291 patients diagnosed with PD. Patients who scored 6 or higher on the Rapid Eye Movement Behavior Disorder (RBD) Screening Questionnaire were defined as pRBD. A comprehensive evaluation was performed for all patients, including the collection of demographic information, clinical assessment, and MH features. Results Among the 291 PD patients, 69 (23.7%) had pRBD. MHs were observed in 35 (50.7%) patients with pRBD, significantly higher than 29.7% in patients without RBD (p = 0.015). The main type of MHs in pRBD was presence hallucinations with variable content. Patients with pRBD and MHs tended to be older, had a longer disease duration, and were more likely to take levodopa or dopamine-receptor agonists. Besides, the pRBD with MHs group had higher scores on the Nonmotor Symptoms Questionnaire (NMS-Quest) and Hamilton Anxiety Scale (HAMA). Binary logistic regression analysis revealed that longer disease duration and higher NMS-Quest scores were associated with MHs in PD patients with pRBD. Conclusion A high prevalence of MHs was observed in PD patients with pRBD. The main type of MHs in pRBD was presence hallucinations. MHs in PD with RBD are mainly associated with disease duration and severity of nonmotor symptoms. These findings provide new insights into the interaction between MHs and RBD.
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Affiliation(s)
- Yinyin Jiang
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Jun Zhu
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Yang Zhao
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Dongfeng Li
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Yaning Chen
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Yaxi Wang
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Xu Jiang
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Bo Shen
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Yang Pan
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Jun Yan
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Feng Han
- School of Pharmacy, Nanjing Medical University, Nanjing, China
- Institute of Brain Science, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Li Zhang
- Department of Geriatric Neurology, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
- Institute of Neuropsychiatric Diseases, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, 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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5
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Non-visual hallucinations in Parkinson's disease: a systematic review. J Neurol 2023; 270:2857-2889. [PMID: 36702960 DOI: 10.1007/s00415-022-11545-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/28/2023]
Abstract
BACKGROUND Non-visual hallucinations in Parkinson's disease (PD) can be prevalent and distressing. Most existing research has however, focused on visual hallucinations as well as related risk factors. The current study thus conducted a systematic review to collate existing evidence on non-visual hallucinations in PD, focusing on their prevalence, phenomenology, and clinical-cognitive correlates. METHODS Ninety-one relevant studies were included from a systematic search across PsycINFO APA, PubMed, and Web of Science, for peer-reviewed publications in the English language, from 1970 to the present. These comprised a mix of case (30 studies; n = 56) and group design (62 studies; n = 7346) studies, divided into three somewhat overlapping collections to address our three research foci. RESULTS Prevalence estimates for hallucinations were: auditory 1.5-72.0%, olfactory 1.6-21.0%, somatic-tactile 0.4-22.5%, gustatory 1.0-15.0%, and sensed presence 0.9-73.3%. Phenomenological inquiries revealed descriptions of vivid, consuming events replete with elaborate detail, adversely affecting PD patients in different ways. Overt experiences of multisensory hallucinations were also highly variable (0.4-80%) but exceedingly common, reported by almost half of the 45 included prevalence studies. There was some evidence for modality-specific hallucination predictors, but this was largely tentative, pending robust replication. CONCLUSIONS Marked prevalence figures coupled with phenomenological descriptions implicating distress denote that non-visual and multisensory hallucinations in PD are of clinical significance. More direct research and clinical attention need to be devoted to the study and management of such hallucinatory experiences.
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Pachi I, Papadopoulos V, Koros C, Simitsi AM, Bougea A, Bozi M, Papagiannakis N, Soldatos RF, Kolovou D, Pantes G, Scarmeas N, Paraskevas G, Voumvourakis K, Papageorgiou SG, Kollias K, Stefanis N, Stefanis L. Comprehensive Evaluation of Psychotic Features and Their Clinical Correlates in Early Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2023; 13:1185-1197. [PMID: 37840503 PMCID: PMC10657660 DOI: 10.3233/jpd-230056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/18/2023] [Indexed: 10/17/2023]
Abstract
BACKGROUND Some reports suggest that psychotic features may occur in the early stages of Parkinson's disease (PD), but sensitive tools have not been utilized. OBJECTIVE The aim was to evaluate the presence of psychotic symptoms using detailed scales and to assess the association with clinical characteristics. METHODS Healthy controls and patients within three years of PD onset were recruited. Participants were examined for psychotic symptoms using two different instruments: the Comprehensive Assessment of At-Risk Mental States (CAARMS) and a 10 question PD specific psychosis severity scale (10PDQ). In the PD group, medication use, motor and non-motor symptoms were documented. RESULTS Based on CAARMS and 10PDQ scales, psychotic features were present in 39% (27/70) of patients and 4% (3/74) of controls. The prevalence of passage hallucinations and illusions was significantly higher in PD compared to the control group. The presence of PD-associated psychotic features was not significantly affected by medication, motor severity or global cognitive status. Higher prevalence of overall non-motor manifestations, REM sleep behavior disorder (RBD) and depressive symptoms was significantly associated with the manifestation of psychotic features in PD [(adjusted OR:1.3; 95% CI:1.1-1.6; p = 0.003), (adjusted OR:1.3; 95% CI:1.0-1.6; p = 0.023), and (adjusted OR:1.2; 95% CI:1.0-1.4;p = 0.026)]. CONCLUSIONS Psychotic phenomena mainly of minor nature are highly common in early PD. Cumulative non-motor symptoms, RBD and depressive features are associated with the presence of psychotic symptoms in this non-demented, early-stage PD population. More studies are needed to clarify the mechanisms that contribute to the onset of psychotic features in early PD.
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Affiliation(s)
- Ioanna Pachi
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vassilis Papadopoulos
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christos Koros
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Athina Maria Simitsi
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasia Bougea
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Bozi
- 2 Department of Neurology, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikos Papagiannakis
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Rigas Filippos Soldatos
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitra Kolovou
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - George Pantes
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Scarmeas
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
- Taub Institute for Research in Alzheimer’s Disease and the Aging Brain, Columbia University, New York, NY, USA
| | - Georgios Paraskevas
- 2 Department of Neurology, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Voumvourakis
- 2 Department of Neurology, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Sokratis G. Papageorgiou
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Kollias
- 1 Department of Psychiatry, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikos Stefanis
- 1 Department of Psychiatry, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Leonidas Stefanis
- 1 Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Elsibai H, Kualleny M, Fandy TE. Management of Parkinson's Disease Psychosis. Sr Care Pharm 2022; 37:339-344. [PMID: 35879841 DOI: 10.4140/tcp.n.2022.339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objectives To discuss therapeutic management of Parkinson's disease psychosis (PDP) and the burdens associated with it. Parkinson's disease (PD) is an incurable, progressive, and devastating neurodegenerative disease. The prolonged use of dopamine agonists to improve the motor symptoms of PD may result in nonmotor complications such as psychosis. These complications are as devastating as the motor symptoms that accompany PD. PDP is associated with financial burden for patients and health care organizations. Data Sources PubMed search using the phrases Parkinson's disease, Parkinson's disease psychosis, clozapine, quetiapine, and "pimavanserin." Conclusion Pimavanserin is the only US Food and Drug Administration approved drug for the management of hallucinations and delusions associated with PD psychosis. The off-label use of clozapine and quetiapine has demonstrated clinical utility; however, there is still a need for the development of novel therapeutic molecules to avoid side effects associated with current therapeutic options and reduce the burdens of patients, caregivers, and health care institutions.
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8
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Poisson A, Thobois S. Allucinazioni e morbo di Parkinson. Neurologia 2022. [DOI: 10.1016/s1634-7072(21)45999-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Potheegadoo J, Dhanis H, Horvath J, Burkhard PR, Blanke O. Presence Hallucinations during Locomotion in Patients with Parkinson's Disease. Mov Disord Clin Pract 2022; 9:127-129. [PMID: 35005079 PMCID: PMC8721837 DOI: 10.1002/mdc3.13367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 11/22/2022] Open
Affiliation(s)
- Jevita Potheegadoo
- Center for Neuroprosthetics, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Geneva Switzerland.,Brain Mind Institute, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland
| | - Herberto Dhanis
- Center for Neuroprosthetics, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Geneva Switzerland.,Brain Mind Institute, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland
| | - Judit Horvath
- Neurologu Center, La Tour Hospital Meyrin Switzerland.,Department of Clinical Neurosciences Geneva University Hospital Geneva Switzerland
| | - Pierre R Burkhard
- Department of Clinical Neurosciences Geneva University Hospital Geneva Switzerland
| | - Olaf Blanke
- Center for Neuroprosthetics, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Geneva Switzerland.,Brain Mind Institute, Faculty of Life Sciences Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland.,Department of Clinical Neurosciences Geneva University Hospital Geneva Switzerland
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Abstract
INTRODUCTION Psychosis is one of the incapacitating nonmotor symptoms of Parkinson's disease (PD). Although several risk factors that include older age, rapid eye movement sleep behavior disorder, depression, and cognitive dysfunction have been identified, the exact neural correlates remain elusive. As cognitive impairment has a close association with psychosis in PD, it is useful to know the spectrum of cognitive impairment in PD patients with psychosis (PD-P). METHODS This cross-sectional study compared various cognitive parameters of PD-P (visual/minor hallucinations) and PD patients with no psychosis (PD-NP). A neuropsychological battery encapsulating several cognitive domains (executive, visuospatial, learning, and memory) was used for the cognitive assessment of 37 PD-P and 51 PD-NP patients who were matched for age, gender, education, and disease duration. RESULTS The two groups were comparable in terms of disease severity and stage. Although the groups had a comparable mean score on Montreal cognitive assessment, the PD-P group performed poorly in tests focused on executive function (color trail test, forward digit span), verbal learning and memory (Rey auditory and verbal learning test), and visuospatial functions (complex figure test, corsi block tapping test). Those with complex visual hallucinations performed poorly in the color trial test (part A) compared to those with minor hallucinations. CONCLUSION Psychosis is associated with a multidomain cognitive dysfunction in PD. All PD patients should undergo detailed cognitive assessment as cognitive dysfunction may be a marker of psychosis in the future. Additional longitudinal studies are warranted to obtain detailed insights into this issue.
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Díaz-Santos M, Monge ZA, Salazar RD, Gilmore GC, Neargarder S, Cronin-Golomb A. Increasing Contrast Improves Object Perception in Parkinson's Disease with Visual Hallucinations. Mov Disord Clin Pract 2020; 8:51-59. [PMID: 33426159 DOI: 10.1002/mdc3.13104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/11/2020] [Accepted: 10/08/2020] [Indexed: 12/14/2022] Open
Abstract
Background Deficits in basic vision are associated with visual hallucinations in Parkinson's disease. Of particular interest is contrast sensitivity loss in this disorder and its effect on object identification. Objectives Evaluate whether increased contrast improves object perception in persons with Parkinson's disease and visual hallucinations, without dementia. Methods We assessed 26 individuals with mild to moderate idiopathic Parkinson's disease, half of whom reported one or more episodes of hallucinations/unusual perceptual experiences in the past month, with a letter-identification task that determined the contrast level required to achieve 80% accuracy. Contrast sensitivity was further assessed with a chart that presented stimuli at multiple spatial frequencies. The groups were closely matched for demographic and clinical characteristics except for experience of hallucinations. Results Relative to participants without visual hallucinations, those with hallucinations had poorer spatial frequency contrast sensitivity and required significantly greater contrast to correctly identify the letters on the identification task. Specifically, participants with hallucinations required a mean contrast of 52.8%, whereas participants without hallucinations required 35.0%. When given sufficient contrast, the groups with and without hallucinations were equally accurate in letter identification. Conclusions Compared to those without hallucinations, individuals with Parkinson's disease and hallucinations without dementia showed poorer contrast sensitivity. Once contrast was individually enhanced, the groups were equally accurate at object identification. These findings suggest the potential of visual perception tests to predict, and perception-based interventions to reduce, hallucinations in Parkinson's disease.
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Affiliation(s)
- Mirella Díaz-Santos
- Department of Psychological and Brain Sciences Boston University Boston Massachusetts USA
| | - Zachary A Monge
- Department of Psychological and Brain Sciences Boston University Boston Massachusetts USA
| | - Robert D Salazar
- Department of Psychological and Brain Sciences Boston University Boston Massachusetts USA
| | - Grover C Gilmore
- Jack, Joseph, and Morton Mandel School of Applied Social Sciences Case Western Reserve University Cleveland Ohio USA
| | - Sandy Neargarder
- Department of Psychological and Brain Sciences Boston University Boston Massachusetts USA.,Department of Psychology Bridgewater State University Bridgewater Massachusetts USA
| | - Alice Cronin-Golomb
- Department of Psychological and Brain Sciences Boston University Boston Massachusetts USA
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Hommel ALAJ, Meinders MJ, Lorenzl S, Dodel R, Coelho M, Ferreira JJ, Laurens B, Spampinato U, Meissner W, Rosqvist K, Timpka J, Odin P, Wittenberg M, Bloem PhD BR, Koopmans RT, Schrag A. The Prevalence and Determinants of Neuropsychiatric Symptoms in Late-Stage Parkinsonism. Mov Disord Clin Pract 2020; 7:531-542. [PMID: 32626798 DOI: 10.1002/mdc3.12968] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/04/2020] [Indexed: 01/10/2023] Open
Abstract
Background Late-stage parkinsonism and Parkinson's disease (PD) are insufficiently studied population. Although neuropsychiatric symptoms (eg, psychosis, depression, anxiety, behavioral problems) are frequently present, their prevalence and clinical predictors remain unknown. Objective To determine the prevalence and predictors of neuropsychiatric symptoms in late-stage PD. Methods We conducted a multinational study of patients with PD with ≥7 years disease duration and either a Hoehn and Yahr stage ≥4 or a Schwab and England score ≤ 50% in the on stage. Neuropsychiatric symptoms were assessed through interviews with carers using the Neuropsychiatric Inventory, with a frequency × severity score ≥ 4, indicating clinically relevant symptoms. The determinants analyzed were demographic characteristics, medication, and motor and nonmotor symptoms. Univariate and multivariate logistic analyses were performed on predictors of clinically relevant neuropsychiatric symptoms. Results A total of 625 patients were recruited in whom the Neuropsychiatric Inventory could be completed. In 92.2% (576/625) of the patients, at least 1 neuropsychiatric symptom was present, and 75.5% (472/625) had ≥1 clinically relevant symptom. The most common clinically relevant symptoms were apathy (n = 242; 38.9%), depression (n = 213; 34.5%), and anxiety (n = 148; 23.8%). The multivariate analysis revealed unique sets of predictors for each symptom, particularly the presence of other neuropsychiatric features, cognitive impairment, daytime sleepiness. Conclusion Neuropsychiatric symptoms are common in late-stage PD. The strongest predictors are the presence of other neuropsychiatric symptoms. Clinicians involved in the care for patients with late-stage PD should be aware of these symptoms in this specific disease group and proactively explore other psychiatric comorbidities once a neuropsychiatric symptom is recognized.
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Affiliation(s)
- Adrianus L A J Hommel
- Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour Department of Neurology, Centre of Expertise for Parkinson & Movement Disorders Nijmegen the Netherlands.,Groenhuysen Organisation Roosendaal the Netherlands
| | - Marjan J Meinders
- Radboud University Medical Center Radboud Institute for Health Sciences Nijmegen the Netherlands
| | - Stefan Lorenzl
- Interdisziplinäres Zentrum für Palliativmedizin und Klinik für Neurologie Universität München-Klinikum Großhadern Munich Germany.,Institute of Nursing Science and Practice Salzburg Austria
| | - Richard Dodel
- Department of Geriatric Medicine University Hospital Essen Essen Germany
| | - Miguel Coelho
- University of Lisbon, Lisbon School of Medicine (FMUL), Laboratory of Clinical Pharmacology and Therapeutics, Lisbon, Portugal; and University of Lisbon Lisbon School of Medicine (FMUL), Instituto de Medicina Molecular Lisbon Portugal.,University of Lisbon Lisbon School of Medicine (FMUL), Instituto de Medicina Molecular Lisbon Portugal.,Department of Neurosciences Service of Neurology, Hospital Santa Maria Lisbon Portugal
| | - Joaquim J Ferreira
- University of Lisbon, Lisbon School of Medicine (FMUL), Laboratory of Clinical Pharmacology and Therapeutics, Lisbon, Portugal; and University of Lisbon Lisbon School of Medicine (FMUL), Instituto de Medicina Molecular Lisbon Portugal
| | - Brice Laurens
- Service de Neurologie CHU de Bordeaux 33000 Bordeaux France.,Univ. de Bordeaux, Institut des Maladies Neurodégénératives Bordeaux France
| | - Umberto Spampinato
- Service de Neurologie CHU de Bordeaux 33000 Bordeaux France.,Univ. de Bordeaux, Institut des Maladies Neurodégénératives Bordeaux France
| | - Wassilios Meissner
- Service de Neurologie CHU de Bordeaux 33000 Bordeaux France.,Univ. de Bordeaux, Institut des Maladies Neurodégénératives Bordeaux France.,Department of Medicine University of Otago Christchurch New Zealand.,New Zealand Brain Research Institute Christchurch New Zealand
| | - Kristina Rosqvist
- Department of Neurology, Department of Clinical Sciences Lund University Lund Sweden
| | - Jonathan Timpka
- Department of Neurology, Department of Clinical Sciences Lund University Lund Sweden
| | - Per Odin
- Department of Neurology, Department of Clinical Sciences Lund University Lund Sweden
| | - Michael Wittenberg
- Coordinating Centre for Clinical Trials Philipps University Marburg Marburg Germany
| | - Bas R Bloem PhD
- Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour Department of Neurology, Centre of Expertise for Parkinson & Movement Disorders Nijmegen the Netherlands
| | - Raymond T Koopmans
- Radboud University Medical Center Department of Primary and Community Care Nijmegen The Netherlands.,Joachim en Anna, Center for Specialized Geriatric Care Nijmegen The Netherlands
| | - Anette Schrag
- University College London, Queen Square Institute of Neurology, University College London London United Kingdom
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Jiang S, Berger S, Hu Y, Bartsch D, Tian Y. Alterations of the Motor and Olfactory Functions Related to Parkinson's Disease in Transgenic Mice With a VMAT2-Deficiency in Dopaminergic Neurons. Front Neurosci 2020; 14:356. [PMID: 32410942 PMCID: PMC7198702 DOI: 10.3389/fnins.2020.00356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 03/24/2020] [Indexed: 12/26/2022] Open
Abstract
Parkinson's disease (PD) is one of the most common neurodegenerative diseases, with approximately six million people affected worldwide. Vesicular monoamine transporter 2 (VMAT2) dysfunction has recently become a hot topic in the pathophysiology of PD, and the advent of transgenic mice has also accelerated the development of behavioral studies in animal models. However, there are only a few systematic behavioral tests that embrace abundant motor and non-motor performance in a unique mutant mouse model which correspond to the varied symptoms observed in human PD. The aim of this study is to evaluate the responsibility of the unique reduction of dopamine in the varied motor and non-motor symptoms of PD via a transgenic mice model. We analyzed neurotransmitter concentrations in the brain tissue of 18-month-old mutant mice, with selective inactivation of one allele of Vmat2 in dopaminergic neurons (VMAT2DATcre-HET) to confirm the selective reduction of dopamine, and then examined behavioral functions. Neurochemical tests showed lower dopamine concentrations in specific brain regions of VMAT2DATcre-HET mice, especially the ventral tegmental area/substantia nigra and striatum, together with relatively unchanging concentrations of norepinephrine and serotonin, demonstrating the dopaminergic specificity of this mouse model. Behavioral tasks showed impairments in several motor functions and major defects in olfactory abilities in the VMAT2DATcre-HET mice. However, no significant changes were found in the majority of non-motor tests, such as emotional performance and sleep patterns. We concluded from this study that the selective inactivation of one allele of the Vmat2 gene in dopaminergic neurons was related to dopamine reduction, resulting in phenotypes resembling some of the major deficits in PD, especially those of motor symptoms and olfactory functions.
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Affiliation(s)
- Song Jiang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China.,Department of Molecular Biology, Central Institute of Mental Health, Heidelberg University Faculty of Medicine in Mannheim, Mannheim, Germany
| | - Stefan Berger
- Department of Molecular Biology, Central Institute of Mental Health, Heidelberg University Faculty of Medicine in Mannheim, Mannheim, Germany
| | - Yajuan Hu
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders, Anhui Medical University, Hefei, China
| | - Dusan Bartsch
- Department of Molecular Biology, Central Institute of Mental Health, Heidelberg University Faculty of Medicine in Mannheim, Mannheim, Germany
| | - Yanghua Tian
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders, Anhui Medical University, Hefei, China.,Collaborative Innovation Center of Neuropsychiatric Disorders and Mental Health, Hefei, China
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14
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Lenka A, Ingalhalikar M, Shah A, Saini J, Arumugham SS, Hegde S, George L, Yadav R, Pal PK. Abnormalities in the white matter tracts in patients with Parkinson disease and psychosis. Neurology 2020; 94:e1876-e1884. [PMID: 32317347 DOI: 10.1212/wnl.0000000000009363] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 11/15/2019] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE The objective of the current study was to compare the microstructural integrity of the white matter (WM) tracts in patients having Parkinson disease (PD) with and without psychosis (PD-P and PD-NP) through diffusion tensor imaging (DTI). METHODS This cross-sectional study involved 48 PD-NP and 42 PD-P who were matched for age, sex, and education. Tract-based spatial statistics (TBSS) was used to compare several DTI metrics from the diffusion-weighted MRIs obtained through a 3-Tesla scanner. A set of neuropsychological tests was used for the cognitive evaluation of all patients. RESULTS The severity and stage of PD were not statistically different between the groups. The PD-P group performed poorly in all the neuropsychological domains compared with the PD-NP group. TBSS analysis revealed widespread patterns of abnormality in the fractional anisotropy (FA) in the PD-P group, which also correlated with some of the cognitive scores. These tracts include inferior longitudinal fasciculus, inferior fronto-occipital fasciculus, right parieto-occipital WM, body of the corpus callosum, and corticospinal tract. CONCLUSION This study provides novel insights into the putative role of WM tract abnormalities in the pathogenesis of PD-P by demonstrating significant alterations in several WM tracts. Additional longitudinal studies are warranted to confirm the findings of our research.
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Affiliation(s)
- Abhishek Lenka
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Madhura Ingalhalikar
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Apurva Shah
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Jitender Saini
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Shyam Sundar Arumugham
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Shantala Hegde
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Lija George
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Ravi Yadav
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC
| | - Pramod Kumar Pal
- From the Department of Clinical Neurosciences (A.L.); Department of Neurology (A.L., L.G., R.Y., P.K.P.); Department of Neuroimaging and Interventional Radiology (J.S.); Department of Psychiatry (S.S.A.); Department of Clinical Psychology (S.H.), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India; Symbiosis Center for Medical Image Analysis (M.I., A.S.), Symbiosis Institute of Technology (M.I.), Symbiosis International (Deemed University), Lavale, India; and Department of Neurology (A.L.), MedStar Georgetown University Hospital, Washington, DC.
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15
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Lenka A, Pagonabarraga J, Pal PK, Bejr-Kasem H, Kulisevsky J. Minor hallucinations in Parkinson disease: A subtle symptom with major clinical implications. Neurology 2019; 93:259-266. [PMID: 31289146 PMCID: PMC6709995 DOI: 10.1212/wnl.0000000000007913] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 05/15/2019] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE Psychosis is one of the most debilitating complications of Parkinson disease (PD). Although research on PD psychosis has been focused on the study of well-structured visual hallucinations (VH), currently accepted National Institute of Neurological Disorders and Stroke-National Institute of Mental Health diagnostic criteria emphasize minor hallucinations (MH) as the most common psychotic phenomena in PD. The objective of this review is to comprehensively describe the clinical and research advances on the understanding of MH and to provide future directions for obtaining further insights into their potential major implications for PD management and prognosis. METHODS A PubMed search was done in November 2018 to identify articles on minor psychotic phenomena in PD. RESULTS MH often precede the onset of well-structured VH and are associated with other nonmotor symptoms such as REM sleep behavior disorder and depression. The pattern of functional brain connectivity changes associated with MH involve visual-processing areas and attention control networks, which overlap with abnormalities described in patients with well-structured VH. The dysfunction of cortical networks in patients with MH may be an early indicator of a more widespread form of the disease. CONCLUSION Although called "minor," MH may have major clinical and prognostic implications. Further research is needed to establish whether MH are associated with a higher risk of disabling psychotic complications, cognitive deterioration, or a more accelerated disease progression. Understanding the early neurobiological underpinnings of MH may provide the background for future studies to identify the progressive dysfunction of neural circuits leading to more severe forms of psychosis in PD.
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Affiliation(s)
- Abhishek Lenka
- From the Department of Neurology (A.L.), Medstar Georgetown University Hospital, Washington, DC; Movement Disorders Unit, Neurology Department (J.P., H.B.-K., J.K.), Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute (IIB-Sant Pau) (J.P., H.B.-K., J.K.), Sant Antoni Maria Claret; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (J.P., J.K.), Barcelona, Spain; and Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) (P.K.P.), Bangalore, India
| | - Javier Pagonabarraga
- From the Department of Neurology (A.L.), Medstar Georgetown University Hospital, Washington, DC; Movement Disorders Unit, Neurology Department (J.P., H.B.-K., J.K.), Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute (IIB-Sant Pau) (J.P., H.B.-K., J.K.), Sant Antoni Maria Claret; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (J.P., J.K.), Barcelona, Spain; and Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) (P.K.P.), Bangalore, India.
| | - Pramod Kumar Pal
- From the Department of Neurology (A.L.), Medstar Georgetown University Hospital, Washington, DC; Movement Disorders Unit, Neurology Department (J.P., H.B.-K., J.K.), Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute (IIB-Sant Pau) (J.P., H.B.-K., J.K.), Sant Antoni Maria Claret; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (J.P., J.K.), Barcelona, Spain; and Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) (P.K.P.), Bangalore, India
| | - Helena Bejr-Kasem
- From the Department of Neurology (A.L.), Medstar Georgetown University Hospital, Washington, DC; Movement Disorders Unit, Neurology Department (J.P., H.B.-K., J.K.), Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute (IIB-Sant Pau) (J.P., H.B.-K., J.K.), Sant Antoni Maria Claret; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (J.P., J.K.), Barcelona, Spain; and Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) (P.K.P.), Bangalore, India
| | - Jaime Kulisevsky
- From the Department of Neurology (A.L.), Medstar Georgetown University Hospital, Washington, DC; Movement Disorders Unit, Neurology Department (J.P., H.B.-K., J.K.), Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute (IIB-Sant Pau) (J.P., H.B.-K., J.K.), Sant Antoni Maria Claret; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (J.P., J.K.), Barcelona, Spain; and Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) (P.K.P.), Bangalore, India
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16
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Lenka A, Gomathinayagam V, Bahroo L. Approach to the management of psychosis in Parkinson’s disease. ANNALS OF MOVEMENT DISORDERS 2019. [DOI: 10.4103/aomd.aomd_27_19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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17
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Junho BT, Kummer A, Cardoso F, Teixeira AL, Rocha NP. Clinical Predictors of Excessive Daytime Sleepiness in Patients with Parkinson's Disease. J Clin Neurol 2018; 14:530-536. [PMID: 30198233 PMCID: PMC6172509 DOI: 10.3988/jcn.2018.14.4.530] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/20/2018] [Accepted: 06/21/2018] [Indexed: 12/17/2022] Open
Abstract
Background and Purpose Excessive daytime sleepiness (EDS) is a common complaint among patients with Parkinson's disease (PD). Several factors have been associated with EDS in PD, especially neuropsychiatric symptoms. This study aimed to determine the relationships between neuropsychiatric symptoms, sociodemographic and clinical parameters, and EDS in PD. Methods This cross-sectional study analyzed 85 patients with PD. All patients underwent socioeconomic and clinical data evaluations followed by a psychiatric interview and a neurological examination, including the assessment of sleep features. Patients were divided into two groups according to the presence or absence of EDS, which was defined as a score higher than 10 on the Epworth Sleepiness Scale. Binary logistic regression was performed in order to describe the predictors of EDS. Results We found that EDS affects 40% of PD patients and is associated with older age, restless legs syndrome, depressive and anxious symptoms, and worse sleep quality. In the multivariate analysis, older age, levodopa use, and worse sleep quality remained as significant predictors of EDS in PD. Conclusions Nighttime sleep problems, older age, and levodopa use are significantly associated with EDS in PD. A careful assessment and the management of sleep problems in PD patients might help to improve their quality of life.
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Affiliation(s)
- Bruno Terra Junho
- Laboratório Interdisciplinar de Investigação Médica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Arthur Kummer
- Laboratório Interdisciplinar de Investigação Médica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.,Eli Lilly and Company do Brasil, São Paulo, SP, Brazil
| | - Francisco Cardoso
- Unidade de Distúrbios do Movimento, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Antonio Lucio Teixeira
- Laboratório Interdisciplinar de Investigação Médica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.,Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Natalia Pessoa Rocha
- Laboratório Interdisciplinar de Investigação Médica (LIIM), Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.,Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.
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18
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Ehgoetz Martens KA, Shine JM. The interactions between non-motor symptoms of Parkinson's disease. Expert Rev Neurother 2018; 18:457-460. [PMID: 29722588 DOI: 10.1080/14737175.2018.1472578] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - James M Shine
- a Brain and Mind Centre , University of Sydney , Camperdown , New South Wales , Australia
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