Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial

Abstract Background Health information and patient education on lifestyle changes may have a positive effect on the prevention of many chronic conditions, especially cardiovascular diseases (CVDs). We performed a parallel, three-arm randomized controlled trial (RCT) of 6-month educational interventi...

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Main Authors: Slavica Jurić Petričević, Ivan Buljan, Dora Bjelanović, Nataša Mrduljaš-Đujić, Tanja Pekez, Mario Ćurković, Željko Vojvodić, Ivančica Pavličević, Matko Marušić, Ana Marušić
Format: Article
Language:English
Published: BMC 2022-10-01
Series:BMC Medicine
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Online Access:https://doi.org/10.1186/s12916-022-02555-2
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author Slavica Jurić Petričević
Ivan Buljan
Dora Bjelanović
Nataša Mrduljaš-Đujić
Tanja Pekez
Mario Ćurković
Željko Vojvodić
Ivančica Pavličević
Matko Marušić
Ana Marušić
author_facet Slavica Jurić Petričević
Ivan Buljan
Dora Bjelanović
Nataša Mrduljaš-Đujić
Tanja Pekez
Mario Ćurković
Željko Vojvodić
Ivančica Pavličević
Matko Marušić
Ana Marušić
author_sort Slavica Jurić Petričević
collection DOAJ
description Abstract Background Health information and patient education on lifestyle changes may have a positive effect on the prevention of many chronic conditions, especially cardiovascular diseases (CVDs). We performed a parallel, three-arm randomized controlled trial (RCT) of 6-month educational intervention in a form of letters containing a reminder of the participant’s CVD risk with or without Cochrane blogshots to reduce CVD risk among women aged 45–65 with one or more known CVD risk factors. Methods The control group received a letter about their CVD risk at the beginning of the trial. The intervention groups received the initial letter about their CVD risk and remainder letters about their CVD risk every 2 months, with or without Cochrane blogshots: (1) effect of calcium in the prevention of high blood pressure, (2) effect of reducing saturated fat acids in eating habits, and (3) effects of green and black tea in CVD prevention. The primary outcome was CVD risk reduction calculated as the difference between the baseline and 6-month score for a 10-year risk of fatal CVD according to the ACC/AHA guidelines. Results After both interventions, CVD risk reduction was significantly higher compared to the control group (P < 0.001, Kruskal-Wallis H test). The number of participants who decreased their CV risk was 29% (20/70) in the control group, 69% (48/70) in the group receiving the reminder letters, and 70% (49/70) in the group receiving the reminder letters and blogshots. The number needed to treat to achieve risk reduction was 2.41 (95% CI = 1.77 to 3.78) for letters with a CVD risk reminder and 2.50 (1.81 to 4.03) for letters with a reminder and a blogshot. The group receiving reminder letters with Cochrane blogshots had a significant change in the category of CVD risk, mainly from high to moderate and from moderate to low CVD risk category. Conclusions A simple and inexpensive intervention method in a form of letters reminding women about their CVD risk with or without providing additional health information in the form of Cochrane blogshots about interventions for important CVD risk factors may be effective in CVD management and could be considered by primary care providers. Trial registration ClinicalTrials.gov, NCT04601558. Retrospectively registered on October 19, 2020
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spelling doaj.art-8548bb8fe3bd41778ce2fa877157d74c2022-12-22T02:37:13ZengBMCBMC Medicine1741-70152022-10-0120111210.1186/s12916-022-02555-2Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trialSlavica Jurić Petričević0Ivan Buljan1Dora Bjelanović2Nataša Mrduljaš-Đujić3Tanja Pekez4Mario Ćurković5Željko Vojvodić6Ivančica Pavličević7Matko Marušić8Ana Marušić9Department of Pulmonary Diseases, University of Split Hospital CenterDepartment of Research in Biomedicine and Health and Center for Evidence-based Medicine, University of Split School of MedicineDepartment of Abdominal Surgery, University of Split Hospital CenterDepartment of Family Medicine, University of Split School of MedicineFamily Practice OfficeFamily Practice Office, Health Center of the Osijek-Baranja CountyDepartment of Family Medicine, JJ Strossmayer University School of MedicineDepartment of Family Medicine, University of Split School of MedicineUniversity of Split, Ulica Ruđera Boškovića 31Department of Research in Biomedicine and Health and Center for Evidence-based Medicine, University of Split School of MedicineAbstract Background Health information and patient education on lifestyle changes may have a positive effect on the prevention of many chronic conditions, especially cardiovascular diseases (CVDs). We performed a parallel, three-arm randomized controlled trial (RCT) of 6-month educational intervention in a form of letters containing a reminder of the participant’s CVD risk with or without Cochrane blogshots to reduce CVD risk among women aged 45–65 with one or more known CVD risk factors. Methods The control group received a letter about their CVD risk at the beginning of the trial. The intervention groups received the initial letter about their CVD risk and remainder letters about their CVD risk every 2 months, with or without Cochrane blogshots: (1) effect of calcium in the prevention of high blood pressure, (2) effect of reducing saturated fat acids in eating habits, and (3) effects of green and black tea in CVD prevention. The primary outcome was CVD risk reduction calculated as the difference between the baseline and 6-month score for a 10-year risk of fatal CVD according to the ACC/AHA guidelines. Results After both interventions, CVD risk reduction was significantly higher compared to the control group (P < 0.001, Kruskal-Wallis H test). The number of participants who decreased their CV risk was 29% (20/70) in the control group, 69% (48/70) in the group receiving the reminder letters, and 70% (49/70) in the group receiving the reminder letters and blogshots. The number needed to treat to achieve risk reduction was 2.41 (95% CI = 1.77 to 3.78) for letters with a CVD risk reminder and 2.50 (1.81 to 4.03) for letters with a reminder and a blogshot. The group receiving reminder letters with Cochrane blogshots had a significant change in the category of CVD risk, mainly from high to moderate and from moderate to low CVD risk category. Conclusions A simple and inexpensive intervention method in a form of letters reminding women about their CVD risk with or without providing additional health information in the form of Cochrane blogshots about interventions for important CVD risk factors may be effective in CVD management and could be considered by primary care providers. Trial registration ClinicalTrials.gov, NCT04601558. Retrospectively registered on October 19, 2020https://doi.org/10.1186/s12916-022-02555-2Cochrane blogshotsEducational interventionCVD riskWomen
spellingShingle Slavica Jurić Petričević
Ivan Buljan
Dora Bjelanović
Nataša Mrduljaš-Đujić
Tanja Pekez
Mario Ćurković
Željko Vojvodić
Ivančica Pavličević
Matko Marušić
Ana Marušić
Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
BMC Medicine
Cochrane blogshots
Educational intervention
CVD risk
Women
title Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
title_full Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
title_fullStr Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
title_full_unstemmed Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
title_short Effectiveness of letters to patients with or without Cochrane blogshots on 10-year cardiovascular risk change among women in menopausal transition: 6-month three-arm randomized controlled trial
title_sort effectiveness of letters to patients with or without cochrane blogshots on 10 year cardiovascular risk change among women in menopausal transition 6 month three arm randomized controlled trial
topic Cochrane blogshots
Educational intervention
CVD risk
Women
url https://doi.org/10.1186/s12916-022-02555-2
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