Age and Diastolic Blood Pressure Play an Important Role in the Progression of White Matter Lesions: A Meta-Analysis

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Abstract

Introduction: White matter lesions (WMLs) are currently considered as a cerebral microvascular disease, and hypertension is considered as its most important risk factor. This study analysis systematically evaluated the effects of systolic blood pressure (SBP) and diastolic blood pressure (DBP) on the progression of WMLs. Methods: We searched the MeSH terms: “white matter,” “blood pressure,” “hypertension,” “Leukoencephalopathy,” and “leukoaraiosis” on PubMed and Cochrane from January 2000 to August 2019. A total of 12 closely related literature were included for research. Results: The results of the meta-analysis showed that the increase of both SBP and DBP can promote the progression of WMLs (respectively, odds ratio [OR] = 2.90, 95% confidence interval [CI] 2.86–2.94; OR = 3.13, 95% CI 3.03–3.23). Subgroup analysis found that patients with hypertension aged younger than 70 years are at a greater risk of WML progression when their DBP increased (OR = 4.69, 95% CI 3.31–6.65). Conclusion: The relationship between DBP and WMLs is closer than that of SBP. Also, the risk of WML progression in patients aged under 70 years was higher than that in patients aged over 70 years. Furthermore, when DBP is elevated in patients younger than 70 years of age, the risk of WML progression may be higher. Therefore, it is expected that more researchers will attach importance to the change in DBP and identify the range of blood pressure and strategies that control DBP, thus contributing to delay the progression of WMLs.

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Meta-analysis of observational studies in epidemiology: a proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) group.

D F Stroup, J A Berlin, S C Morton … (2000)

Because of the pressure for timely, informed decisions in public health and clinical practice and the explosion of information in the scientific literature, research results must be synthesized. Meta-analyses are increasingly used to address this problem, and they often evaluate observational studies. A workshop was held in Atlanta, Ga, in April 1997, to examine the reporting of meta-analyses of observational studies and to make recommendations to aid authors, reviewers, editors, and readers. Twenty-seven participants were selected by a steering committee, based on expertise in clinical practice, trials, statistics, epidemiology, social sciences, and biomedical editing. Deliberations of the workshop were open to other interested scientists. Funding for this activity was provided by the Centers for Disease Control and Prevention. We conducted a systematic review of the published literature on the conduct and reporting of meta-analyses in observational studies using MEDLINE, Educational Research Information Center (ERIC), PsycLIT, and the Current Index to Statistics. We also examined reference lists of the 32 studies retrieved and contacted experts in the field. Participants were assigned to small-group discussions on the subjects of bias, searching and abstracting, heterogeneity, study categorization, and statistical methods. From the material presented at the workshop, the authors developed a checklist summarizing recommendations for reporting meta-analyses of observational studies. The checklist and supporting evidence were circulated to all conference attendees and additional experts. All suggestions for revisions were addressed. The proposed checklist contains specifications for reporting of meta-analyses of observational studies in epidemiology, including background, search strategy, methods, results, discussion, and conclusion. Use of the checklist should improve the usefulness of meta-analyses for authors, reviewers, editors, readers, and decision makers. An evaluation plan is suggested and research areas are explored.

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Cerebral small vessel disease: from pathogenesis and clinical characteristics to therapeutic challenges.

Leonardo Pantoni (2010)

The term cerebral small vessel disease refers to a group of pathological processes with various aetiologies that affect the small arteries, arterioles, venules, and capillaries of the brain. Age-related and hypertension-related small vessel diseases and cerebral amyloid angiopathy are the most common forms. The consequences of small vessel disease on the brain parenchyma are mainly lesions located in the subcortical structures such as lacunar infarcts, white matter lesions, large haemorrhages, and microbleeds. Because lacunar infarcts and white matter lesions are easily detected by neuroimaging, whereas small vessels are not, the term small vessel disease is frequently used to describe the parenchyma lesions rather than the underlying small vessel alterations. This classification, however, restricts the definition of small vessel disease to ischaemic lesions and might be misleading. Small vessel disease has an important role in cerebrovascular disease and is a leading cause of cognitive decline and functional loss in the elderly. Small vessel disease should be a main target for preventive and treatment strategies, but all types of presentation and complications should be taken into account. Copyright 2010 Elsevier Ltd. All rights reserved.

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The association between blood pressure, hypertension, and cerebral white matter lesions: cardiovascular determinants of dementia study.

, Lars-Göran Nilsson, Rebecca Fuhrer … (2004)

Cerebral white matter lesions are frequently observed on magnetic resonance imaging (MRI) scans in elderly people and are associated with stroke and dementia. Elevated blood pressure is presumed one of the main risk factors, although data are almost exclusively derived from cross-sectional studies. We assessed in 10 European cohorts the relation between concurrently and previously measured blood pressure levels, hypertension, its treatment, and severe cerebral white matter lesions. In total, 1805 nondemented subjects aged 65 to 75 years were sampled from ongoing community-based studies that were initiated 5 to 20 years before the MRI. White matter lesions in the periventricular and subcortical region were rated separately using semiquantitative measures. We performed logistic regression analyses adjusted for potential confounders in 1625 people with complete data. Concurrently and formerly assessed diastolic and systolic blood pressure levels were positively associated with severe white matter lesions. Both increases and decreases in diastolic blood pressure were associated with more severe periventricular white matter lesions. Increase in systolic blood pressure levels was associated with more severe periventricular and subcortical white matter lesions. People with poorly controlled hypertension had a higher risk of severe white matter lesions than those without hypertension, or those with controlled or untreated hypertension. Higher blood pressure was associated with an increased risk of severe white matter lesions. Successful treatment of hypertension may reduce this risk; however, a potential negative effect of decreasing diastolic blood pressure level on the occurrence of severe periventricular white matter lesions should be taken into account.

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Journal

Journal ID (publisher-id): ENE

Journal ID (nlm-ta): Eur Neurol

Journal ID (doi): 10.1159/issn.0014-3022

Title: European Neurology

Publisher: S. Karger AG

ISSN (Print): 0014-3022

ISSN (Electronic): 1421-9913

Publication date Subscription-year: 2020

Publication date (Print): October 2020

Publication date (Electronic): 09 September 2020

Volume: 83

Issue: 4

Pages: 351-359

Affiliations

Department of Neurology, The affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, China

Author notes

*Mingli He, Department of Neurology, The affiliated Lianyungang Hospital of Xuzhou Medical University, Tongguan North Road, No. 182, Lianyungang 222000 (China), lyghml@163.com

Article

Publisher ID: 510077 Other ID: Eur Neurol 2020;83:351–359

DOI: 10.1159/000510077

PubMed ID: 32906133

SO-VID: 025366dd-e547-49e0-acce-5898e14d65f1

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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

History

Date received : 02 June 2020

Date accepted : 10 July 2020

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Figures: 5, Tables: 1, Pages: 9

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Age and Diastolic Blood Pressure Play an Important Role in the Progression of White Matter Lesions: A Meta-Analysis

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Karger: Neurology and Neuroscience

Most cited references 31

Meta-analysis of observational studies in epidemiology: a proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) group.

Cerebral small vessel disease: from pathogenesis and clinical characteristics to therapeutic challenges.

The association between blood pressure, hypertension, and cerebral white matter lesions: cardiovascular determinants of dementia study.

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