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Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial

BACKGROUND AND AIMS: Despite established guidelines on secondary prevention of cardiovascular disease, practical implementation of treatment targets is deficient even in high-income countries. This study compared long-term hospital-based treatment with follow-up at primary health care regarding new...

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Autores principales: Kaldal, Anete, Tonstad, Serena, Jortveit, Jarle
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8679993/
https://www.ncbi.nlm.nih.gov/pubmed/34915839
http://dx.doi.org/10.1186/s12872-021-02426-3
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author Kaldal, Anete
Tonstad, Serena
Jortveit, Jarle
author_facet Kaldal, Anete
Tonstad, Serena
Jortveit, Jarle
author_sort Kaldal, Anete
collection PubMed
description BACKGROUND AND AIMS: Despite established guidelines on secondary prevention of cardiovascular disease, practical implementation of treatment targets is deficient even in high-income countries. This study compared long-term hospital-based treatment with follow-up at primary health care regarding new cardiovascular events and achievement of treatment targets. METHODS: This randomized controlled trial at Sørlandet Hospital, Norway 2007–2021 included patients hospitalized due to myocardial infarction (n = 760) or after scheduled percutaneous coronary intervention (PCI) (n = 677) or coronary artery bypass grafting (n = 103). Patients were randomized to hospital-based secondary preventive care with consultations 2 weeks, 3 months, 6 months and 1 year after the index event and annually for up to 5 years, or follow-up at primary health care. Final data was collected after 10 years and hazard ratios were calculated using Cox regression analyses. RESULTS: Composite endpoint-free survival due to a lower rate of PCI improved in patients with hospital-based follow-up (n = 788) compared to patients followed-up at primary health care (n = 752) (HR 0.80, 95% CI 0.66–0.96; p = 0.02) but all-cause mortality was not reduced (HR 0.96, 95% CI 0.59–1.56; p = 0.86). At 1 year, LDL-cholesterol (2.1 [SD 0.7] versus 2.3 [SD 0.8] mmol/l; p < 0.001) and systolic blood pressure (132 [SD 16] versus 142 [SD 20] mm/Hg; p < 0.001) were lower in the hospital-based group, and the differences remained significant during the first 5 years. Other secondary preventive measures (smoking cessation, physical activity, body weight, glucose control, drug adherence) did not differ. CONCLUSIONS: Long-term hospital-based secondary preventive follow-up improved composite endpoint-free survival, but not mortality. Substantial risk factors remained unaddressed. The beneficial effects on blood pressure and LDL-cholesterol disappeared after annual consultations ceased. Trial registration: The study is registered in ClinicalTrials.gov (NCT00679237) May 16, 2008. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12872-021-02426-3.
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spelling pubmed-86799932021-12-20 Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial Kaldal, Anete Tonstad, Serena Jortveit, Jarle BMC Cardiovasc Disord Research BACKGROUND AND AIMS: Despite established guidelines on secondary prevention of cardiovascular disease, practical implementation of treatment targets is deficient even in high-income countries. This study compared long-term hospital-based treatment with follow-up at primary health care regarding new cardiovascular events and achievement of treatment targets. METHODS: This randomized controlled trial at Sørlandet Hospital, Norway 2007–2021 included patients hospitalized due to myocardial infarction (n = 760) or after scheduled percutaneous coronary intervention (PCI) (n = 677) or coronary artery bypass grafting (n = 103). Patients were randomized to hospital-based secondary preventive care with consultations 2 weeks, 3 months, 6 months and 1 year after the index event and annually for up to 5 years, or follow-up at primary health care. Final data was collected after 10 years and hazard ratios were calculated using Cox regression analyses. RESULTS: Composite endpoint-free survival due to a lower rate of PCI improved in patients with hospital-based follow-up (n = 788) compared to patients followed-up at primary health care (n = 752) (HR 0.80, 95% CI 0.66–0.96; p = 0.02) but all-cause mortality was not reduced (HR 0.96, 95% CI 0.59–1.56; p = 0.86). At 1 year, LDL-cholesterol (2.1 [SD 0.7] versus 2.3 [SD 0.8] mmol/l; p < 0.001) and systolic blood pressure (132 [SD 16] versus 142 [SD 20] mm/Hg; p < 0.001) were lower in the hospital-based group, and the differences remained significant during the first 5 years. Other secondary preventive measures (smoking cessation, physical activity, body weight, glucose control, drug adherence) did not differ. CONCLUSIONS: Long-term hospital-based secondary preventive follow-up improved composite endpoint-free survival, but not mortality. Substantial risk factors remained unaddressed. The beneficial effects on blood pressure and LDL-cholesterol disappeared after annual consultations ceased. Trial registration: The study is registered in ClinicalTrials.gov (NCT00679237) May 16, 2008. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12872-021-02426-3. BioMed Central 2021-12-16 /pmc/articles/PMC8679993/ /pubmed/34915839 http://dx.doi.org/10.1186/s12872-021-02426-3 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research
Kaldal, Anete
Tonstad, Serena
Jortveit, Jarle
Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title_full Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title_fullStr Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title_full_unstemmed Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title_short Long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
title_sort long-term hospital-based secondary prevention of coronary artery disease: a randomized controlled trial
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8679993/
https://www.ncbi.nlm.nih.gov/pubmed/34915839
http://dx.doi.org/10.1186/s12872-021-02426-3
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