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Jansen TS, Güney G, Ganse B, Monje MHG, Schulz JB, Dafotakis M, Hoog Antink C, Braczynski AK. Video-based analysis of the blink reflex in Parkinson's disease patients. Biomed Eng Online 2024; 23:43. [PMID: 38654246 PMCID: PMC11036732 DOI: 10.1186/s12938-024-01236-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 04/10/2024] [Indexed: 04/25/2024] Open
Abstract
We developed a video-based tool to quantitatively assess the Glabellar Tap Reflex (GTR) in patients with idiopathic Parkinson's disease (iPD) as well as healthy age-matched participants. We also video-graphically assessed the effect of dopaminergic medication on the GTR in iPD patients, as well as the frequency and blinking duration of reflex and non-reflex blinks. The Glabellar Tap Reflex is a clinical sign seen in patients e.g. suffering from iPD. Reliable tools to quantify this sign are lacking. METHODS We recorded the GTR in 11 iPD patients and 12 healthy controls (HC) with a consumer-grade camera at a framerate of at least 180 images/s. In these videos, reflex and non-reflex blinks were analyzed for blink count and blinking duration in an automated fashion. RESULTS With our setup, the GTR can be extracted from high-framerate cameras using landmarks of the MediaPipe face algorithm. iPD patients did not habituate to the GTR; dopaminergic medication did not alter that response. iPD patients' non-reflex blinks were higher in frequency and higher in blinking duration (width at half prominence); dopaminergic medication decreased the median frequency (Before medication-HC: p < 0.001, After medication-HC: p = 0.0026) and decreased the median blinking duration (Before medication-HC: p = 0.8594, After medication-HC: p = 0.6943)-both in the direction of HC. CONCLUSION We developed a quantitative, video-based tool to assess the GTR and other blinking-specific parameters in HC and iPD patients. Further studies could compare the video data to electromyogram (EMG) data for accuracy and comparability, as well as evaluate the specificity of the GTR in patients with other neurodegenerative disorders, in whom the GTR can also be present. SIGNIFICANCE The video-based detection of the blinking parameters allows for unobtrusive measurement in patients, a safer and more comfortable option.
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Affiliation(s)
- Talisa S Jansen
- Department of Neurology, RWTH University Hospital, Aachen, Germany
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Gökhan Güney
- KIS*MED (AI Systems in Medicine Lab) Technische Universität Darmstadt, Darmstadt, Germany
| | - Bergita Ganse
- Innovative Implant Development, Saarland University, Homburg, Germany
| | - Mariana H G Monje
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, USA
| | - Jörg B Schulz
- Department of Neurology, RWTH University Hospital, Aachen, Germany
- Jülich Aachen Research Alliance (JARA), JARA-Institute Molecular Neuroscience and Neuroimaging, FZ Jülich and RWTH University, Jülich, Germany
| | - Manuel Dafotakis
- Department of Neurology, RWTH University Hospital, Aachen, Germany
| | - Christoph Hoog Antink
- KIS*MED (AI Systems in Medicine Lab) Technische Universität Darmstadt, Darmstadt, Germany.
| | - Anne K Braczynski
- Department of Neurology, RWTH University Hospital, Aachen, Germany
- Institut für Physikalische Biologie, Düsseldorf, Heinrich-Heine University, Düsseldorf, Germany
- Institute of Biological Information Processing (IBI-7: Structural Biochemistry), Forschungszentrum Jülich, Jülich, Germany
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Qamar MA, Tall P, van Wamelen D, Wan YM, Rukavina K, Fieldwalker A, Matthew D, Leta V, Bannister K, Chaudhuri KR. Setting the clinical context to non-motor symptoms reflected by Park-pain, Park-sleep, and Park-autonomic subtypes of Parkinson's disease. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 174:1-58. [PMID: 38341227 DOI: 10.1016/bs.irn.2023.08.012] [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: 02/12/2024]
Abstract
Non-motor symptoms (NMS) of Parkinson's disease (PD) are well described in both clinical practice and the literature, enabling their management and enhancing our understanding of PD. NMS can dominate the clinical pictures and NMS subtypes have recently been proposed, initially based on clinical observations, and later confirmed in data driven analyses of large datasets and in biomarker-based studies. In this chapter, we provide an update on what is known about three common subtypes of NMS in PD. The pain (Park-pain), sleep dysfunction (Park-sleep), and autonomic dysfunction (Park-autonomic), providing an overview of their individual classification, clinical manifestation, pathophysiology, diagnosis, and potential treatments.
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Affiliation(s)
- Mubasher A Qamar
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom.
| | - Phoebe Tall
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Daniel van Wamelen
- Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom; Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Centre of Expertise for Parkinson & Movement Disorders, Nijmegen, The Netherlands
| | - Yi Min Wan
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Psychiatry, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Katarina Rukavina
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Anna Fieldwalker
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Central Modulation of Pain Lab, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Donna Matthew
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Valentina Leta
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Clinical Neurosciences, Parkinson, and Movement Disorders Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Kirsty Bannister
- Central Modulation of Pain Lab, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - K Ray Chaudhuri
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
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Nieto-Escamez F, Obrero-Gaitán E, Cortés-Pérez I. Visual Dysfunction in Parkinson's Disease. Brain Sci 2023; 13:1173. [PMID: 37626529 PMCID: PMC10452537 DOI: 10.3390/brainsci13081173] [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: 06/05/2023] [Revised: 07/11/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
Non-motor symptoms in Parkinson's disease (PD) include ocular, visuoperceptive, and visuospatial impairments, which can occur as a result of the underlying neurodegenerative process. Ocular impairments can affect various aspects of vision and eye movement. Thus, patients can show dry eyes, blepharospasm, reduced blink rate, saccadic eye movement abnormalities, smooth pursuit deficits, and impaired voluntary and reflexive eye movements. Furthermore, visuoperceptive impairments affect the ability to perceive and recognize visual stimuli accurately, including impaired contrast sensitivity and reduced visual acuity, color discrimination, and object recognition. Visuospatial impairments are also remarkable, including difficulties perceiving and interpreting spatial relationships between objects and difficulties judging distances or navigating through the environment. Moreover, PD patients can present visuospatial attention problems, with difficulties attending to visual stimuli in a spatially organized manner. Moreover, PD patients also show perceptual disturbances affecting their ability to interpret and determine meaning from visual stimuli. And, for instance, visual hallucinations are common in PD patients. Nevertheless, the neurobiological bases of visual-related disorders in PD are complex and not fully understood. This review intends to provide a comprehensive description of visual disturbances in PD, from sensory to perceptual alterations, addressing their neuroanatomical, functional, and neurochemical correlates. Structural changes, particularly in posterior cortical regions, are described, as well as functional alterations, both in cortical and subcortical regions, which are shown in relation to specific neuropsychological results. Similarly, although the involvement of different neurotransmitter systems is controversial, data about neurochemical alterations related to visual impairments are presented, especially dopaminergic, cholinergic, and serotoninergic systems.
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Affiliation(s)
- Francisco Nieto-Escamez
- Department of Psychology, University of Almeria, 04120 Almeria, Spain
- Center for Neuropsychological Assessment and Rehabilitation (CERNEP), 04120 Almeria, Spain
| | - Esteban Obrero-Gaitán
- Department of Health Sciences, University of Jaen, Paraje Las Lagunillas s/n, 23071 Jaen, Spain;
| | - Irene Cortés-Pérez
- Department of Health Sciences, University of Jaen, Paraje Las Lagunillas s/n, 23071 Jaen, Spain;
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Prinz J, Maffulli N, Fuest M, Walter P, Hildebrand F, Migliorini F. Honey-Related Treatment Strategies in Dry Eye Disease. Pharmaceuticals (Basel) 2023; 16:ph16050762. [PMID: 37242545 DOI: 10.3390/ph16050762] [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: 04/25/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
This systematic review and meta-analysis investigated whether honey-related treatment strategies improve the signs and symptoms of patients with dry eye disease (DED). In March 2023, the following databases were accessed for clinical trials investigating the efficacy of honey-related treatment strategies in DED: PubMed, Web of Science, Google Scholar, and EMBASE. The following data were extracted at baseline and at the last follow-up: Ocular Surface Disease Index, tear breakup time, Schirmer I test, and corneal staining. Data from 323 patients were retrieved (53.3% female, mean age 40.6 ± 18.1 years). The mean follow-up was 7.0 ± 4.2 weeks. All the endpoints of interest significantly improved from baseline to the last follow-up: tear breakup time (p = 0.01), Ocular Surface Disease Index (p < 0.0001), Schirmer I test (p = 0.0001), and corneal staining (p < 0.0001). No difference was found in tear breakup time (p = 0.3), Ocular Surface Disease Index (p = 0.4), Schirmer I test (p = 0.3), and corneal staining (p = 0.3) between the honey-related treatment strategies and the control groups. According to our main results, honey-related treatment strategies are effective and feasible to improve symptoms and signs of DED.
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Affiliation(s)
- Julia Prinz
- RWTH University Hospital of Aachen, 52074 Aachen, Germany
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, 84081 Salerno, Italy
- Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, London E1 4DG, UK
- School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Thornburrow Drive, Stoke on Trent ST4 7QB, UK
| | - Matthias Fuest
- RWTH University Hospital of Aachen, 52074 Aachen, Germany
| | - Peter Walter
- RWTH University Hospital of Aachen, 52074 Aachen, Germany
| | | | - Filippo Migliorini
- RWTH University Hospital of Aachen, 52074 Aachen, Germany
- Department of Orthopaedics and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), 39100 Bolzano, Italy
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Narrative Review Concerning the Clinical Spectrum of Ophthalmological Impairments in Parkinson's Disease. Neurol Int 2023; 15:140-161. [PMID: 36810467 PMCID: PMC9944508 DOI: 10.3390/neurolint15010012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 01/30/2023] Open
Abstract
Ophthalmic non-motor impairments are common in Parkinson's disease patients, from the onset of the neurodegenerative disease and even prior to the development of motor symptoms. This is a very crucial component of the potential for early detection of this disease, even in its earliest stages. Since the ophthalmological disease is extensive and impacts all extraocular and intraocular components of the optical analyzer, a competent assessment of it would be beneficial for the patients. Because the retina is an extension of the nervous system and has the same embryonic genesis as the central nervous system, it is helpful to investigate the retinal changes in Parkinson's disease in order to hypothesize insights that may also be applicable to the brain. As a consequence, the detection of these symptoms and signs may improve the medical evaluation of PD and predict the illness' prognosis. Another valuable aspect of this pathology is the fact that the ophthalmological damage contributes significantly to the decrease in the quality of life of patients with Parkinson's disease. We provide an overview of the most significant ophthalmologic impairments associated with Parkinson's disease. These results certainly constitute a large number of the prevalent visual impairments experienced by PD patients.
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Buzzi M, Giannaccare G, Cennamo M, Bernabei F, Rothschild PR, Vagge A, Scorcia V, Mencucci R. Ocular Surface Features in Patients with Parkinson Disease on and off Treatment: A Narrative Review. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122141. [PMID: 36556506 PMCID: PMC9783883 DOI: 10.3390/life12122141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/10/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
Parkinson disease (PD) is a progressive, neurodegenerative disease of the central nervous system. Visual disturbance is one of the most frequent nonmotor abnormalities referred to by patients suffering from PD at early stages. Furthermore, ocular surface alterations including mainly dry eye and blink reduction represent another common finding in patients with PD. Tears of PD patients show specific alterations related to protein composition, and in vivo confocal microscopy has demonstrated profound changes in different corneal layers in this setting. These changes can be attributed not only to the disease itself, but also to the medications used for its management. In particular, signs of corneal toxicity, both at epithelial and endothelial level, are well described in the literature in PD patients receiving amantadine. Management of PD patients from the ophthalmologist's side requires knowledge of the common, but often underdiagnosed, ocular surface alterations as well as of the signs of drug toxicity. Furthermore, ocular surface biomarkers can be useful for the early diagnosis of PD as well as for monitoring the degree of neural degeneration over time.
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Affiliation(s)
- Matilde Buzzi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, 20072 Milan, Italy
| | - Giuseppe Giannaccare
- Department of Ophthalmology, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
- Correspondence:
| | - Michela Cennamo
- Eye Clinic, Department of Neurosciences, Psychology, Pharmacology and Child Health, University of Florence, 50134 Florence, Italy
| | - Federico Bernabei
- Service d’Ophtalmologie, Ophtalmopôle de Paris, Hôpital Cochin, AP-HP, F-75014 Paris, France
| | | | - Aldo Vagge
- Eye Clinic of Genoa, Policlinico San Martino, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), University of Genoa, 16132 Genoa, Italy
| | - Vincenzo Scorcia
- Department of Ophthalmology, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Rita Mencucci
- Eye Clinic, Department of Neurosciences, Psychology, Pharmacology and Child Health, University of Florence, 50134 Florence, Italy
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