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Dommershuijsen LJ, Darweesh SKL, Ben-Shlomo Y, Kluger BM, Bloem BR. The elephant in the room: critical reflections on mortality rates among individuals with Parkinson's disease. NPJ Parkinsons Dis 2023; 9:145. [PMID: 37857675 PMCID: PMC10587193 DOI: 10.1038/s41531-023-00588-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023] Open
Grants
- S.K.L. Darweesh was supported in part by a Parkinson’s Foundation—Postdoctoral Fellowship (PF-FBS-2026) and a ZonMW Veni Award (09150162010183), and serves as an associate editor of Frontiers of Neurology and as an editorial board member of Brain Sciences.
- Parkinson’s UK
- Radboud Universitair Medisch Centrum (Radboudumc)
- B.R. Bloem currently serves as Editor in Chief for the Journal of Parkinson’s disease, serves on the editorial board of Practical Neurology and Digital Biomarkers, has received honoraria from serving on the scientific advisory board for Abbvie, Biogen and UCB, has received fees for speaking at conferences from AbbVie, Zambon, Roche, GE Healthcare and Bial, and has received research support from the Netherlands Organization for Scientific Research, the Michael J Fox Foundation, UCB, Abbvie, the Stichting Parkinson Fonds, the Hersenstichting Nederland, the Parkinson’s Foundation, Verily Life Sciences, Horizon 2020, the Topsector Life Sciences and Health, the Gatsby Foundation and the Parkinson Vereniging.
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Affiliation(s)
- Lisanne J Dommershuijsen
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Sirwan K L Darweesh
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Benzi M Kluger
- Departments of Neurology and Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Bastiaan R Bloem
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
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Nabizadeh F, Valizadeh P, Sharifi P, Zafari R, Mirmosayyeb O. Risk of myocardial infarction in Parkinson's disease: A systematic review and meta-analysis. Eur J Neurol 2023; 30:2557-2569. [PMID: 37151196 DOI: 10.1111/ene.15838] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 04/06/2023] [Accepted: 04/16/2023] [Indexed: 05/09/2023]
Abstract
BACKGROUND AND PURPOSE Previous studies investigating cardiovascular disorders in patients with Parkinson's disease (PD) showed heterogeneous results regarding whether there is a higher or lower risk of myocardial infarction (MI) in these patients compared to the general population. Because of the inconsistency in findings, herein the aim was to perform a systematic review and meta-analysis to investigate the risk of MI in patients with PD. METHODS A comprehensive literature search was performed using four databases, PubMed, Web of Science, Scopus and Embase, in June 2022. Peer-reviewed observational studies comprising case-controls, cohort, cross-sectional and longitudinal studies that reported MI in the PD population were included. RESULTS After the screening, 20 studies with a total of 80,441 patients with PD and 802,857 controls were included in our qualitative and quantitative synthesis. The pooled estimated odds ratio for MI in PD patients compared to controls was 0.80 (95% confidence interval [CI] 0.56-1.05) which indicates that there is no association. The pooled prevalence of MI was 5% (95% CI 3%-7%) with a range of 1%-20% amongst patients with PD. The men (6%, 95% CI 1%-13%) and women (6%, 95% CI 1%-14%, Q = 29.27, I2 = 98.50%, p < 0.001) had similar MI prevalence. CONCLUSION This comprehensive systematic review and meta-analysis provide compelling evidence that PD is associated with a reduced risk of MI. Whilst the exact mechanism underlying this association remains to be fully elucidated, it is clear that certain risk factors for cardiac events appear to be less present in PD patients, which may serve as a protective factor. However, given the reports of increased risk for cerebrovascular events in PD patients, it is possible that the major risk factors for MI and cardiovascular accidents in this population differ. These findings have important implications for clinical management and further research in this area is warranted.
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Affiliation(s)
- Fardin Nabizadeh
- Neuroscience Research Group (NRG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Parya Valizadeh
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Parisa Sharifi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Rasa Zafari
- School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Omid Mirmosayyeb
- Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Raheel K, Deegan G, Di Giulio I, Cash D, Ilic K, Gnoni V, Chaudhuri KR, Drakatos P, Moran R, Rosenzweig I. Sex differences in alpha-synucleinopathies: a systematic review. Front Neurol 2023; 14:1204104. [PMID: 37545736 PMCID: PMC10398394 DOI: 10.3389/fneur.2023.1204104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/13/2023] [Indexed: 08/08/2023] Open
Abstract
Background Past research indicates a higher prevalence, incidence, and severe clinical manifestations of alpha-synucleinopathies in men, leading to a suggestion of neuroprotective properties of female sex hormones (especially estrogen). The potential pathomechanisms of any such effect on alpha-synucleinopathies, however, are far from understood. With that aim, we undertook to systematically review, and to critically assess, contemporary evidence on sex and gender differences in alpha-synucleinopathies using a bench-to-bedside approach. Methods In this systematic review, studies investigating sex and gender differences in alpha-synucleinopathies (Rapid Eye Movement (REM) Behavior Disorder (RBD), Parkinson's Disease (PD), Dementia with Lewy Bodies (DLB), Multiple System Atrophy (MSA)) from 2012 to 2022 were identified using electronic database searches of PubMed, Embase and Ovid. Results One hundred sixty-two studies were included; 5 RBD, 6 MSA, 20 DLB and 131 PD studies. Overall, there is conclusive evidence to suggest sex-and gender-specific manifestation in demographics, biomarkers, genetics, clinical features, interventions, and quality of life in alpha-synucleinopathies. Only limited data exists on the effects of distinct sex hormones, with majority of studies concentrating on estrogen and its speculated neuroprotective effects. Conclusion Future studies disentangling the underlying sex-specific mechanisms of alpha-synucleinopathies are urgently needed in order to enable novel sex-specific therapeutics.
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Affiliation(s)
- Kausar Raheel
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
| | - Gemma Deegan
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- BRAIN, Imaging Centre, CNS, King’s College London, London, United Kingdom
| | - Irene Di Giulio
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- School of Basic and Medical Biosciences, Faculty of Life Science and Medicine, King’s College London, London, United Kingdom
| | - Diana Cash
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- BRAIN, Imaging Centre, CNS, King’s College London, London, United Kingdom
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
| | - Katarina Ilic
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- BRAIN, Imaging Centre, CNS, King’s College London, London, United Kingdom
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
| | - Valentina Gnoni
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- Center for Neurodegenerative Diseases and the Aging Brain, University of Bari Aldo Moro, Lecce, Italy
| | - K. Ray Chaudhuri
- Movement Disorders Unit, King’s College Hospital and Department of Clinical and Basic Neurosciences, Institute of Psychiatry, Psychology and Neuroscience and Parkinson Foundation Centre of Excellence, King’s College London, London, United Kingdom
| | - Panagis Drakatos
- School of Basic and Medical Biosciences, Faculty of Life Science and Medicine, King’s College London, London, United Kingdom
- Sleep Disorders Centre, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - Rosalyn Moran
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
| | - Ivana Rosenzweig
- Sleep and Brain Plasticity Centre, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom
- Sleep Disorders Centre, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
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Kim A, Yang HJ, Kwon JH, Kim MH, Lee J, Jeon B. Mortality of Deep Brain Stimulation and Risk Factors in Patients With Parkinson's Disease: A National Cohort Study in Korea. J Korean Med Sci 2023; 38:e10. [PMID: 36647215 PMCID: PMC9842484 DOI: 10.3346/jkms.2023.38.e10] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/12/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND This study aimed to investigate 1) long-term outcomes of deep brain stimulation (DBS), such as mortality after DBS as well as the causes of death, 2) demographic and socioeconomic factors influencing mortality, and 3) comorbidities affecting mortality after DBS in patients with Parkinson's disease (PD). METHODS This study analyzed the National Health Insurance Service-National Health Information Database. Data on patients with PD diagnosis codes from 2002 to 2019 were extracted and analyzed. Data on the causes of death were obtained by linking the causes of death to data from Statistics Korea. The Kaplan-Meier method with the log-rank test was used for survival analysis. Multivariate Cox regression analyses were used to estimate hazard ratios (HRs) and their 95% confidence intervals. Regarding comorbidities such as PD dementia and fracture, which did not satisfy the assumption for the proportional HR, time-dependent Cox analysis with the Mantel-Byar method was used. RESULTS From 2005 to 2017, among 156,875 patients diagnosed with PD in Korea, 1,079 patients underwent DBS surgery, and 251 (23.3%) had died by 2019. The most common cause of death (47.1%) was PD. In the multivariate Cox regression analysis, the higher the age at diagnosis and surgery, the higher the mortality rate. The men and medical aid groups had significantly higher mortality rates. PD dementia and fracture were identified as risk factors for mortality. CONCLUSION Older age at diagnosis and surgery, being male, the use of medical aid, and the comorbidity of dementia and fractures were associated with a higher risk of mortality after DBS in patients with PD. Neurologists should consider these risk factors in assessing the prognosis of PD patients undergoing DBS.
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Affiliation(s)
- Ahro Kim
- Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Hui-Jun Yang
- Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Jee-Hyun Kwon
- Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Min-Ho Kim
- Informatization Department, Ewha Womans University Seoul Hospital, Seoul, Korea
| | - Jiho Lee
- Department of Occupational and Environmental Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
| | - Beomseok Jeon
- Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
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Kim A, Kim HJ, Kim A, Kim Y, Kim A, Ong JNA, Park HR, Paek SH, Jeon B. The mortality of patients with Parkinson's disease with deep brain stimulation. Front Neurol 2023; 13:1099862. [PMID: 36726749 PMCID: PMC9885091 DOI: 10.3389/fneur.2022.1099862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/19/2022] [Indexed: 01/17/2023] Open
Abstract
Background Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is effective in improving motor function in patients with Parkinson's disease (PD). This study aimed to investigate mortality associated with bilateral STN DBS in patients with PD and to assess the factors associated with mortality and causes of death after DBS. Methods We reviewed the medical records of 257 patients with PD who underwent bilateral STN DBS at the Movement Disorder Center at Seoul National University Hospital between March 2005 and November 2018. Patients were evaluated preoperatively, at 3, 6, and 12 months after surgery and annually thereafter. The cause and date of death were obtained from interviews with caregivers or from medical certificates at the last follow-up. Results Of the 257 patients with PD, 48 patients (18.7%) died, with a median time of death of 11.2 years after surgery. Pneumonia was the most common cause of death. Older age of disease onset, preoperative falling score while on medication, and higher preoperative total levodopa equivalent daily dose were associated with a higher risk of mortality in time-dependent Cox regression analysis. Conclusion These results confirm the mortality outcome of STN DBS in patients with advanced PD.
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Affiliation(s)
- Ahro Kim
- Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Han-Joon Kim
- Department of Neurology, College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Aryun Kim
- Department of Neurology, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Yoon Kim
- Department of Neurology, Young Tong Hyo Hospital, Suwon, Republic of Korea
| | - Ahwon Kim
- Department of Neurology, College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jed Noel A. Ong
- Department of Neurosciences, Makati Medical Center, Makati, Philippines
| | - Hye Ran Park
- Department of Neurosurgery, Soonchunhyang University Seoul Hospital, Seoul, Republic of Korea
| | - Sun Ha Paek
- Department of Neurosurgery, College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea,Sun Ha Paek ✉
| | - Beomseok Jeon
- Department of Neurology, College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea,*Correspondence: Beomseok Jeon ✉
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Sex Differences in Parkinson’s Disease: From Bench to Bedside. Brain Sci 2022; 12:brainsci12070917. [PMID: 35884724 PMCID: PMC9313069 DOI: 10.3390/brainsci12070917] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/08/2022] [Accepted: 07/09/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Parkinson’s disease (PD) is the second most common neurodegenerative disorder after Alzheimer’s disease and gender differences have been described on several aspects of PD. In the present commentary, we aimed to collect and discuss the currently available evidence on gender differences in PD regarding biomarkers, genetic factors, motor and non-motor symptoms, therapeutic management (including pharmacological and surgical treatment) as well as preclinical studies. Methods: A systematic literature review was performed by searching the Pubmed and Scopus databases with the search strings “biomarkers”, “deep brain stimulation”, “female”, “gender”, “genetic”, “levodopa”, “men”, “male”, “motor symptoms”, “non-motor symptoms”, “Parkinson disease”, “sex”, “surgery”, and “women”. Results: The present review confirms the existence of differences between men and women in Parkinson Disease, pointing out new information regarding evidence from animal models, genetic factors, biomarkers, clinical features and pharmacological and surgical treatment. Conclusions: The overall goal is to acquire new informations about sex and gender differences in Parkinson Disease, in order to develop tailored intervetions.
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Ulivelli M, Bezzini D, Kundisova L, Grazi I, Battaglia MA, Nante N, Rossi S. Mortality of Parkinson's disease in Italy from 1980 to 2015. Neurol Sci 2022; 43:3603-3611. [PMID: 35094172 DOI: 10.1007/s10072-021-05854-3] [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: 11/06/2021] [Accepted: 12/25/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To evaluate mortality for Parkinson's disease (PD) in Italy during a long time period (1980-2015) and to discuss the role of possible general and specific influencing factors. METHODS Based on mortality data provided by the Italian National Institute of Statistics, sex- and age-specific crude mortality rates were computed, for the whole country and for its main geographical sub-areas. Rates were standardized using both direct (annual mortality rates AMRs) and indirect (standardized mortality rates SMRs) methods. SMRs were used to evaluate geographical differences, whereas AMRs and joinpoint linear regression analysis to study mortality trends. RESULTS Considering the entire period, highest mortality rates were observed in males (AMR/100,000: 9.0 in males, 5.25 in females), in North-West and Central Italy (SMR > 100). Overall PD mortality decreased from mid-eighties onwards and then rapidly reversed the trend in the period 1998-2002, rising up to a maximum in 2015, with some differences according to sex and geographical areas. CONCLUSIONS Several factors may have contributed to the rapid inversion of decreasing trend in mortality observed in the last part of XX century. Possible explanations of this rising trend are related to the increasing burden of PD (especially in males and in certain Italian regions), caused by different factors as population aging, physiological prevalence rise due to incidence exceeding mortality, and growing exposure to environmental or occupational risk factors. In addition, the accuracy of death certificate compilation could account for geographical differences and for the temporal trend. The role of levodopa and recently introduced dopaminergic drugs is also discussed.
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Affiliation(s)
- Monica Ulivelli
- Department of Medicine, Surgery and Neuroscience, Unit of Neurology and Clinical Neurophysiology, Policlinico Le Scotte, University of Siena, Siena, Italy
| | - Daiana Bezzini
- Department of Life Sciences, University of Siena, Siena, Italy.
| | - Lucia Kundisova
- Postgradual School of Public Health, University of Siena, Siena, Italy
| | - Ilaria Grazi
- Department of Medicine, Surgery and Neuroscience, Unit of Neurology and Clinical Neurophysiology, Policlinico Le Scotte, University of Siena, Siena, Italy
| | - Mario Alberto Battaglia
- Department of Life Sciences, University of Siena, Siena, Italy.,Research Department, Italian Multiple Sclerosis Foundation, Genoa, Italy
| | - Nicola Nante
- Postgradual School of Public Health, University of Siena, Siena, Italy.,Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Simone Rossi
- Department of Medicine, Surgery and Neuroscience, Unit of Neurology and Clinical Neurophysiology, Policlinico Le Scotte, University of Siena, Siena, Italy
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