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Lee HJ, Kim HK, Kim BS, Han KD, Kwak S, Park CS, Rhee TM, Park JB, Lee H, Kim YJ. Sacubitril/valsartan and the risk of incident dementia in heart failure: a nationwide propensity-matched cohort study. Clin Res Cardiol 2024; 113:875-883. [PMID: 37906294 DOI: 10.1007/s00392-023-02322-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/09/2023] [Indexed: 11/02/2023]
Abstract
BACKGROUND Sacubitril acts to inhibit neprilysin and as neprilysin is involved in amyloid-beta degradation in the central nervous system, and there is concern that sacubitril/valsartan may increase the risk of dementia. We aimed to compare the risk of incident dementia associated with sacubitril/valsartan and angiotensin II receptor blockers (ARBs). METHODS Patients with heart failure with reduced ejection fraction treated with either sacubitril/valsartan or ARB, identified from the Korean National Health Insurance Service database, were matched in a 1:2 ratio using propensity scores (6789 on sacubitril/valsartan and 13,578 on ARBs) and followed up for incident dementia. RESULTS During a mean follow-up of 2.5 years, 526 (2.6%) patients were newly diagnosed with dementia: Alzheimer dementia in 282, vascular dementia in 8, and other dementia in 236. There was no significant difference in the risk of overall dementia (hazard ratio [HR] 0.84, 95% confidence interval [CI] 0.70-1.01), Alzheimer dementia (HR 0.85, 95% CI 0.67-1.10), vascular dementia (HR 0.98, 95% CI 0.23-4.11), and all other dementias (HR 0.81, 95% CI 0.62-1.07) between sacubitril/valsartan users and ARB users. These results were consistent regardless of initial sacubitril/valsartan dose and subgroups including old age, previous mild cognitive impairment, previous stroke, and concomitant antiplatelet or anticoagulation. Sensitivity analysis with a 1-year lag period for dementia assessment confirmed the main analysis. Meanwhile, risk of incident stroke was lower in sacubitril/valsartan users compared to ARBs users. CONCLUSIONS In a nationwide propensity-matched cohort of patients with heart failure, sacubitril/valsartan was not associated with an increased risk of incident dementia compared to ARBs.
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Affiliation(s)
- Hyun-Jung Lee
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 50-1, Yonsei-ro, Seo-Daemun-gu, Seoul, Korea
| | - Hyung-Kwan Kim
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea.
| | - Bong-Seong Kim
- Department of Statistics and Actuarial Science, Soongsil University, 369, Sangdo-ro, Dongjak-gu, Seoul, Korea
| | - Kyung-Do Han
- Department of Statistics and Actuarial Science, Soongsil University, 369, Sangdo-ro, Dongjak-gu, Seoul, Korea
| | - Soongu Kwak
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea
| | - Chan Soon Park
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea
| | - Tae-Min Rhee
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, 152, Teheran-ro, Gangnam-gu, Seoul, Korea
| | - Jun-Bean Park
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea
| | - Heesun Lee
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, 152, Teheran-ro, Gangnam-gu, Seoul, Korea
| | - Yong-Jin Kim
- Section of Cardiovascular Imaging, Division of Cardiology, Department of Internal Medicine, Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Daehak-ro, Jongno-gu, Seoul, 10103080, Korea
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Kwon HS, Koh SH. Monitoring Patients With Dementia: Insight Into Global Trends, Innovations, and Future Directions. J Clin Neurol 2024; 20:239-240. [PMID: 38713074 PMCID: PMC11076197 DOI: 10.3988/jcn.2024.0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 05/08/2024] Open
Affiliation(s)
- Hyuk Sung Kwon
- Department of Neurology, Hanyang University College of Medicine, Seoul, Korea
| | - Seong-Ho Koh
- Department of Neurology, Hanyang University College of Medicine, Seoul, Korea
- Department of Translational Medicine, Hanyang University Graduate School of Biomedical Science & Engineering, Seoul, Korea.
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Kwon HS, Sung W, Park KU, Kim SH, Koh SH, Lim JS, Choi H. Impact of the COVID-19 pandemic on mortality and loss to follow-up among patients with dementia receiving anti-dementia medications. Sci Rep 2024; 14:7986. [PMID: 38575660 PMCID: PMC10994909 DOI: 10.1038/s41598-024-58316-z] [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: 09/18/2023] [Accepted: 03/27/2024] [Indexed: 04/06/2024] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has profoundly impacted vulnerable groups, such as patients with dementia. We examined changes in mortality and loss to follow-up in patients with dementia using data from the Korean National Health Insurance Service research database. Patients with dementia who visited a medical institution with a recorded dementia-related diagnostic code, including Alzheimer's disease, and who received anti-dementia medication between February 2018 and January 2020 were included in this study. We divided patients with dementia receiving anti-dementia medications into two cohorts: those newly diagnosed with dementia between February 2018 and January 2019 (n = 62,631) and those diagnosed between February 2019 and January 2020 (n = 54,494). Then, we conducted a one-year follow-up of their records, tracking the cohort diagnosed between February 2018 and January 2019 from February 2019 to January 2020, as well as the cohort diagnosed between February 2019 and January 2020 from February 2020 to January 2021. There was a significant increase in follow-up loss among patients newly diagnosed with dementia during the COVID-19 outbreak, from 42.04% in 2019 to 45.89% in 2020. Female sex, younger age, fewer comorbidities, diagnosis of dementia at the Department of Neurology or Psychiatry, and higher income were associated with decreased follow-up loss and mortality. This study highlights the importance of paying extra attention to patients with dementia receiving anti-dementia medications, particularly during pandemics, given their increased risk of loss to follow-up.
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Affiliation(s)
- Hyuk Sung Kwon
- Department of Neurology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea
| | - Wonjae Sung
- Department of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Keun U Park
- Claim Data Analyst, Seoul, Republic of Korea
| | - Seung Hyun Kim
- Department of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Seong-Ho Koh
- Department of Neurology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea
| | - Jae-Sung Lim
- Department of Neurology, Asan Medical Center, 88 Olympic-ro 43-gil Songpa-gu, Seoul, 05505, Republic of Korea.
| | - Hojin Choi
- Department of Neurology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea.
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Tao T, Feng G, Fang Y. Association between aspirin use and risk of dementia: a systematic review and meta-analysis. Eur Geriatr Med 2024; 15:3-18. [PMID: 37870707 DOI: 10.1007/s41999-023-00877-9] [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: 06/04/2023] [Accepted: 10/02/2023] [Indexed: 10/24/2023]
Abstract
PURPOSE Dementia and Alzheimer's disease (AD) pose significant challenges to public health globally with no effective treatment strategies available. Therefore, the research focuses on developing effective prophylaxis to prevent the onset of these diseases. Recent studies have suggested that low-dose aspirin may help reduce the risk of dementia. Nonetheless, evidence regarding the correlation between aspirin consumption and the onset of dementia and AD is limited. This review aims to provide an up-to-date summary of the existing evidence and evaluate the association between aspirin and the onset of dementia and Alzheimer's disease. METHODS A systematic search of PubMed, Embase, Web of Science, PsycINFO, and CINAHL databases was conducted to find eligible studies published until April 2023. A random-effects meta-analysis of the eligible studies was then performed to assess the link between aspirin use and the onset of dementia and Alzheimer's disease. Additionally, we conducted subgroup analyses to evaluate the overall effect of low-dose (75-100 mg) aspirin consumption on the onset of dementia and AD. RESULTS A total of 875 studies were identified, with only 22 meeting the inclusion criteria. There was no statistically significant impact of aspirin consumption on the onset of dementia (HR 1.13, 11 studies) or Alzheimer's disease (HR 0.91, 3 studies). Additionally, subgroup analysis showed that taking low doses of aspirin (75-100 mg) did not significantly affect the onset of either dementia (HR 0.96, 13 studies) or Alzheimer's disease (HR 0.85, 2 studies). CONCLUSIONS Aspirin use does not decrease the risk of dementia or AD, even when taken in low doses. However, the quality of the studies analyzed was inadequate, with only three randomized controlled trials included in the review. Future high-quality studies are needed to assess the effect of aspirin consumption on these diseases. These findings may assist clinicians in selecting appropriate prophylactic strategies for patients at risk of developing dementia and AD.
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Affiliation(s)
- Tao Tao
- Department of Geriatric Psychiatry, Shaoxing No. 7 People's Hospital, Shaoxing, China
| | - Guohua Feng
- Department of Geriatric Psychiatry, Shaoxing No. 7 People's Hospital, Shaoxing, China
| | - Yuanyuan Fang
- Department of Geriatrics, Affiliated Hospital of Shaoxing University, No. 999, Zhongxing South Road, Shaoxing, 312000, Zhejiang, China.
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Jeong E, Park D, Lee SY, Kim H, Kwon HD, Kim MC, Park KW. Clinical Characteristics and Follow-up Assessment in Patients Diagnosed With Alzheimer's Dementia Through Regional Dementia Centers and Conventional Hospital System. J Korean Med Sci 2023; 38:e257. [PMID: 37605496 PMCID: PMC10442502 DOI: 10.3346/jkms.2023.38.e257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/17/2023] [Indexed: 08/23/2023] Open
Abstract
BACKGROUND The rapidly increasing socioeconomic strain caused by dementia represents a significant public health concern. Regional dementia centers (RDCs) have been established nationwide, and they aim to provide timely screening and diagnosis of dementia. This study investigated the clinical characteristics and progression of patients diagnosed with Alzheimer's dementia (AD), who underwent treatment in RDCs or conventional community-based hospital systems. METHODS This retrospective single-center cohort study included patients who were diagnosed with AD between January 2019 and March 2022. This study compared two groups of patients: the hospital group, consisting of patients who presented directly to the hospital, and the RDC group, those who were referred to the hospital from the RDCs in Pohang city. The clinical courses of the patients were monitored for a year after AD diagnosis. RESULTS A total of 1,209 participants were assigned to the hospital (n = 579) or RDC group (n = 630). The RDC group had a mean age of 80.1 years ± 6.6 years, which was significantly higher than that of the hospital group (P < 0.001). The RDC group had a higher proportion of females (38.3% vs. 31.9%; P = 0.022), higher risk for alcohol consumption (12.4% vs. 3.3%; P < 0.001), and greater number of patients who discontinued treatment 1 year after diagnosis (48.3% vs. 39.0%; P = 0.001). In the linear regression model, the RDC group was independently associated with the clinical dementia rating sum of boxes increment (β = 22.360, R²\n = 0.048, and P < 0.001). CONCLUSION Patients in the RDC group were older, had more advanced stages of conditions, and exhibited a more rapid rate of cognitive decline than patients diagnosed through the conventional hospital system. Our results suggested that RDC contributed to the screening of AD in a local region, and further nationwide study with the RDC database of various areas of Korea is needed.
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Affiliation(s)
- Eunhwan Jeong
- Department of Medicine, Graduate School, Dong-A University, Busan, Korea
- Department of Neurology, Pohang Stroke and Spine Hospital, Pohang, Korea
| | - Dougho Park
- Department of Rehabilitation Medicine, Pohang Stroke and Spine Hospital, Pohang, Korea
- Department of Medical Science and Engineering, School of Convergence Science and Technology, Pohang University of Science and Technology, Pohang, Korea
| | - Su Yun Lee
- Department of Neurology, Pohang Stroke and Spine Hospital, Pohang, Korea
| | - Haejong Kim
- Department of Neurology, Pohang Stroke and Spine Hospital, Pohang, Korea
| | - Heum Dai Kwon
- Department of Neurosurgery, Pohang Stroke and Spine Hospital, Pohang, Korea
| | - Mun-Chul Kim
- Department of Neurosurgery, Pohang Stroke and Spine Hospital, Pohang, Korea
| | - Kyung Won Park
- Department of Neurology, Dong-A University College of Medicine, Busan, Korea
- Department of Translational Biomedical Sciences, Graduate School, Dong-A University, Busan, Korea.
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Byeon G, Kwon SO, Jhoo J, Jang JW, Kim Y. Dementia Incidence Rate Before and After Implementing the National Responsibility Policy for Dementia Care in Patients With Vascular Risk Factors in Korea. Dement Neurocogn Disord 2023; 22:49-60. [PMID: 37179693 PMCID: PMC10166674 DOI: 10.12779/dnd.2023.22.2.49] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/21/2023] [Accepted: 03/28/2023] [Indexed: 05/15/2023] Open
Abstract
Background and Purpose The National Responsibility Policy for Dementia Care was implemented in September 2017 in Korea. This study aimed to compare dementia incidence in Seoul and Gangwon-do before and after the implementation of this policy. Methods We extracted insurance claim data from the Korean Health Insurance Review and Assessment Service for people diagnosed with diabetes, hypertension, or dyslipidemia for the first time in Seoul and Gangwon-do, Korea. We defined two enrollment groups based on the policy implementation date: 1) January 1, 2015 to December 31, 2016 (Index 1, pre-implementation), and 2) January 1, 2017 to December 31, 2018 (Index 2, post-implementation). Each group was followed up for 1 year from the time of enrollment. Then, we calculated hazard ratios to compare the incidence of dementia between the two groups, and between Seoul and Gangwon-do. Results In Seoul, the incidence of dementia was significantly lower in Index 2 than in Index 1 (hazard ratio [HR], 0.926; 95% confidence interval [CI], 0.875-0.979). However, the incidence rate did not differ between the 2 groups (HR, 1.113; 95% CI, 0.966-1.281) in Gangwon-do. In Index 1, the incidence of dementia did not differ between Seoul and Gangwon-do (HR, 1.043; 95% CI, 0.941-1.156), but in Index 2, was significantly higher in Gangwon-do than in Seoul (HR, 1.240; 95% CI, 1.109-1.386). Conclusions After implementing the National Responsibility Policy for Dementia Care, the dementia incidence rate decreased significantly in Seoul, consistent with other studies, but not in Gangwon-do.
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Affiliation(s)
- Gihwan Byeon
- Department of Psychiatry, Kangwon National University Hospital, Chuncheon, Korea
| | - Sung Ok Kwon
- Interdisciplinary Graduate Program in Medical Bigdata Convergence, Kangwon National University, Chuncheon, Korea
| | - JinHyeong Jhoo
- Department of Psychiatry, Kangwon National University Hospital, Chuncheon, Korea
- Department of Psychiatry, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Jae-Won Jang
- Department of Neurology, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Yeshin Kim
- Department of Neurology, Kangwon National University School of Medicine, Chuncheon, Korea
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Choi HY, Cho Y, Kim W, Minn YK, Kang GH, Jang YS, Lee Y, Kim JG, Kim J, Cho Y, Shin H, Moon S, Ahn C, Lee J, Shin DG, Park JK. Analysis of Mortality in Intracerebral Hemorrhage Patients with Hyperacute Ischemic Stroke Treated Using Thrombolytic Therapy: A Nationwide Population-based Cohort Study in South Korea. J Pers Med 2022; 12:jpm12081260. [PMID: 36013209 PMCID: PMC9410217 DOI: 10.3390/jpm12081260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated the impact of intracerebral hemorrhage (ICH) on the cumulative mortality of patients with hyperacute ischemic stroke. This population-based retrospective cohort study used claims data from the National Health Insurance Service customized database of South Korea. The recruitment period was 2005−2018. The study population included patients with hyperacute ischemic stroke who had received intravenous thrombolysis. The primary endpoint was 12-month cumulative mortality, which was analyzed in both the ICH and no-ICH groups. Of the 50,550 patients included, 2567 (5.1%) and 47,983 (94.9%) belonged to the ICH and no-ICH groups, respectively. In the univariable analysis for 12-month mortality, ICH patients were substantially more prevalent among dead patients than among patients who survived (11.6% versus 3.6%; p < 0.001). The overall 12-month cumulative mortality rate was 18.8%. Mortality in the ICH group was higher than that in the no-ICH group (42.8% versus 17.5%; p < 0.001). In the multivariable analysis, the risk of 12-month cumulative mortality was 2.97 times higher in the ICH group than in the no-ICH group (95% confidence interval, 2.79−3.16). The risk of 12-month cumulative mortality in hyperacute ischemic stroke can increase approximately threefold after the occurrence of spontaneous ICH following intravenous thrombolysis.
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Affiliation(s)
- Hyun-Young Choi
- Department of Emergency Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (H.-Y.C.); (Y.L.); (J.-G.K.)
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
| | - Yongil Cho
- Department of Emergency Medicine, Hanyang University College of Medicine, Seoul 04763, Korea; (Y.C.); (H.S.); (J.L.)
| | - Wonhee Kim
- Department of Emergency Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (H.-Y.C.); (Y.L.); (J.-G.K.)
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
- Correspondence: ; Tel.: +82-2-829-5119
| | - Yang-Ki Minn
- Department of Neurology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea;
| | - Gu-Hyun Kang
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
| | - Yong-Soo Jang
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
| | - Yoonje Lee
- Department of Emergency Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (H.-Y.C.); (Y.L.); (J.-G.K.)
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
| | - Jae-Guk Kim
- Department of Emergency Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (H.-Y.C.); (Y.L.); (J.-G.K.)
- Hallym Biomedical Informatics Convergence Research Center, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (G.-H.K.); (Y.-S.J.)
| | - Jihoon Kim
- Department of Thoracic and Cardiovascular Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea;
| | - Youngsuk Cho
- Department of Emergency Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul 05355, Korea;
| | - Hyungoo Shin
- Department of Emergency Medicine, Hanyang University College of Medicine, Seoul 04763, Korea; (Y.C.); (H.S.); (J.L.)
| | - Shinje Moon
- Department of Internal Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (S.M.); (D.-G.S.); (J.-K.P.)
| | - Chiwon Ahn
- Department of Emergency Medicine, College of Medicine, Chung-Ang University, Seoul 06973, Korea;
| | - Juncheol Lee
- Department of Emergency Medicine, Hanyang University College of Medicine, Seoul 04763, Korea; (Y.C.); (H.S.); (J.L.)
| | - Dong-Geum Shin
- Department of Internal Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (S.M.); (D.-G.S.); (J.-K.P.)
| | - Jae-Keun Park
- Department of Internal Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea; (S.M.); (D.-G.S.); (J.-K.P.)
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Hendriks S, Peetoom K, Bakker C, Koopmans R, van der Flier W, Papma J, Verhey F, de Vugt M, Köhler S. Global incidence of young-onset dementia: A systematic review and meta-analysis. Alzheimers Dement 2022; 19:831-843. [PMID: 35715891 DOI: 10.1002/alz.12695] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/19/2022] [Accepted: 04/27/2022] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Reliable data on the incidence rates for young-onset dementia (YOD) are lacking, but are necessary for research on disease etiology and to raise awareness among health care professionals. METHODS We performed a systematic review and meta-analysis on population-based studies on the incidence of YOD, published between January 1, 1990 and February 1, 2022, according to Meta-analyses of Observational Studies in Epidemiology (MOOSE) guidelines. Data were analyzed using random-effects meta-analyses. Results were age-standardized, and heterogeneity was assessed by subgroup analyses and meta-regression. RESULTS Sixty-one articles were included. Global age-standardized incidence rates increased from 0.17/100,000 in age 30 to 34 years, to 5.14/100,000 in age 60 to 64 years, giving a global total age-standardized incidence rate of 11 per 100,000 in age 30 to 64. This corresponds to 370,000 new YOD cases annually worldwide. Heterogeneity was high and meta-regression showed geographic location significantly influenced this heterogeneity. DISCUSSION This meta-analysis shows the current best estimate of YOD incidence. New prospective cohort studies are needed.
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Affiliation(s)
- Stevie Hendriks
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
| | - Kirsten Peetoom
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
| | - Christian Bakker
- Department of Primary and Community Care, Radboud UMC Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
- Groenhuysen, Center for Specialized Geriatric Care, Roosendaal, The Netherlands
| | - Raymond Koopmans
- Department of Primary and Community Care, Radboud UMC Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Wiesje van der Flier
- Department of Neurology, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands
| | - Janne Papma
- Department of Neurology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Frans Verhey
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
| | - Marjolein de Vugt
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
| | - Sebastian Köhler
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
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Kwon HS, Jeong YW, Park S, Kang DR, Choi H. Comparing the Characteristics of Patients With Newly Diagnosed Dementia Before and After 2008 in Seoul, South Korea: A Population-Based Study. J Clin Neurol 2022; 18:711-713. [DOI: 10.3988/jcn.2022.18.6.711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/04/2022] [Accepted: 08/07/2022] [Indexed: 11/09/2022] Open
Affiliation(s)
- Hyuk Sung Kwon
- Department of Neurology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
| | - Yong Whi Jeong
- Department of Biostatistics, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Sojeong Park
- Data Science Team, Hanmi Pharm. Co, Ltd, Seoul, Korea
| | - Dae Ryong Kang
- Department of Biostatistics, Yonsei University Wonju College of Medicine, Wonju, Korea
- Department of Precision Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Hojin Choi
- Department of Neurology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
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