ArticleBMJ open2023
Outcomes of discontinuing renin-angiotensin system inhibitors: a study protocol for conducting systematic review and meta-analysis.
Article in BMJ open, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionRenin-angiotensin system (RAS) plays a key role in various types of cardiovascular disease and many kinds of RAS inhibitors have been developed. The effect of discontinuation of RAS inhibitors on clinical outcomes is still controversial. This study aims to evaluate the effects of discontinuing RAS inhibitor medication on the clinical outcomes of patients continuously taking these agents. METHODS AND ANALYSIS: This article presents a systematic review protocol described in accordance with Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols guidelines. We will include randomised controlled trials in which the effects of RAS inhibitor withdrawal were evaluated. Initially, four authors will search for eligible studies in MEDLINE, EMBASE, the Cochrane Database Trial Register, European trial registry and ClinicalTrials.gov. Abstracts and full-text screenings will be performed by the four authors with data extraction performed by each author independently. We will include patients taking RAS inhibitors-including ACE inhibitor, angiotensin receptor blocker and angiotensin receptor neprilysin inhibitor and exclude the patients undergoing renal replacement therapy (RRT), adolescents (under 18 years of age) and patients with acute infectious diseases. Our search will be performed on 1 May 2023. Studies in which the patients discontinued RAS inhibitors due to any reason will be included. Patients who continuously took RAS inhibitors under conditions in which the intervention group discontinued these agents will be considered eligible as the comparison group. Death (any cause), Death (cardiovascular disease (CVD)) and CVD events will be set as primary outcomes. Secondary outcomes will be set as RRT, acute kidney injury, renal function (analysis of the change in estimated glomerular filtration rate), hyperkalaemia, proteinuria and blood pressure. ETHICS AND DISSEMINATION: Research ethics approval was not required in this study due to it being a systematic review, and any data belonging to individuals cannot be identified. The results of this study will be disseminated through peer-reviewed journals and conferences. TRIAL REGISTRATION NUMBER: PROSPERO CRD42022300777.
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