R Jay Widmer1, Thomas G Allison1, Ryan Lennon2, Francisco Lopez-Jimenez1, Lilach O Lerman3, Amir Lerman4. 1. Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic and College of Medicine, Rochester, MN 55905, USA. 2. Division of Biostatistics, Mayo Clinic and College of Medicine, Rochester, MN 55905, USA. 3. Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic and College of Medicine, Rochester, MN 55905, USA. 4. Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic and College of Medicine, Rochester, MN 55905, USA. Electronic address: lerman.amir@mayo.edu.
Abstract
BACKGROUND:Digital health interventions (DHI) have been shown to improve intermediates of cardiovascular health, but their impact on cardiovascular (CV) outcomes has not been fully explored. The aim of this study was to determine whether DHI administered during cardiac rehabilitation (CR) would reduce CV-related emergency department (ED) visits and rehospitalizations in patients after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS). METHODS: We randomized patients undergoing CR following ACS and PCI to standard CR (n=40) orCR+DHI (n=40) for 3 months with 3 patients withdrawing from CR prior to initiation in the treatment arm and 6 in the control group. The DHI incorporated an online and smartphone-based CR platform asking the patients to report of dietary and exercise habits throughout CR as well as educational information toward patients' healthy lifestyles. We obtained data regarding ED visits and rehospitalizations at 180 days, as well as other metrics of secondary CV prevention at baseline and 90 days. RESULTS: Baseline demographics were similar between the groups. The DHI+CR group had improved weight loss compared to the control group (-5.1±6.5 kg vs. -0.8±3.8 kg, respectively, P=.02). Those in the DHI+CR group also showed a non-significant reduction in CV-related rehospitalizations plus ED visits compared to the control group at 180 days (8.1% vs 26.6%; RR 0.30, 95% CI 0.08-1.10, P=.054). CONCLUSIONS: The current study demonstrated that complementary DHI significantly improves weight loss, and might offer a method to reduce CV-related ED visits plus rehospitalizations in patients after ACS undergoing CR. The study suggests a role for DHI as an adjunct to CR to improve secondary prevention of CV disease. TRIAL REGISTRATION: This trial is registered at clinicaltrials.gov (NCT01883050).
RCT Entities:
BACKGROUND: Digital health interventions (DHI) have been shown to improve intermediates of cardiovascular health, but their impact on cardiovascular (CV) outcomes has not been fully explored. The aim of this study was to determine whether DHI administered during cardiac rehabilitation (CR) would reduce CV-related emergency department (ED) visits and rehospitalizations in patients after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS). METHODS: We randomized patients undergoing CR following ACS and PCI to standard CR (n=40) or CR+DHI (n=40) for 3 months with 3 patients withdrawing from CR prior to initiation in the treatment arm and 6 in the control group. The DHI incorporated an online and smartphone-based CR platform asking the patients to report of dietary and exercise habits throughout CR as well as educational information toward patients' healthy lifestyles. We obtained data regarding ED visits and rehospitalizations at 180 days, as well as other metrics of secondary CV prevention at baseline and 90 days. RESULTS: Baseline demographics were similar between the groups. The DHI+CR group had improved weight loss compared to the control group (-5.1±6.5 kg vs. -0.8±3.8 kg, respectively, P=.02). Those in the DHI+CR group also showed a non-significant reduction in CV-related rehospitalizations plus ED visits compared to the control group at 180 days (8.1% vs 26.6%; RR 0.30, 95% CI 0.08-1.10, P=.054). CONCLUSIONS: The current study demonstrated that complementary DHI significantly improves weight loss, and might offer a method to reduce CV-related ED visits plus rehospitalizations in patients after ACS undergoing CR. The study suggests a role for DHI as an adjunct to CR to improve secondary prevention of CV disease. TRIAL REGISTRATION: This trial is registered at clinicaltrials.gov (NCT01883050).
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