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Long-term follow-up with a smartphone application improves exercise capacity post cardiac rehabilitation: A randomized controlled trial.

ABSTRACT: BACKGROUND:Mobile health interventions, especially smartphone applications (apps), have been proposed as promising interventions for supporting adherence to healthy behaviour in patients post cardiac rehabilitation (CR). The overall aim of the study was to examine the effect of individualized follow-up with an app for one year on peak oxygen uptake (VO2peak) in patients completing CR. DESIGN:The study was designed as a single-blinded multicentre randomized controlled trial. METHODS:The intervention group (IG) received individualized follow-up enabled with an app for one year, while the control group (CG) received usual care. The primary outcome was difference in VO2peak. Secondary outcomes included exercise performance (time to exhaustion, peak incline (%) and peak velocity (km/h)), bodyweight, resting blood pressure, lipid profile, triglycerides, exercise habits, health-related quality of life, health status and self-perceived goal achievement. RESULTS:In total, 113 patients completing CR (73.4% with coronary artery disease, 16.8% after valve surgery and 9.8% with other heart diseases) were randomly allocated to the IG or CG. Intention to treat analyses showed a statistically significant difference in VO2peak between the groups at follow-up of 2.2?ml/kg/min, 95% confidence interval 0.9-3.5 (p?

SUBMITTER: Lunde P

PROVIDER: S-EPMC7564298 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Long-term follow-up with a smartphone application improves exercise capacity post cardiac rehabilitation: A randomized controlled trial.

Lunde Pernille P Bye Asta A Bergland Astrid A Grimsmo Jostein J Jarstad Even E Nilsson Birgitta Blakstad BB

European journal of preventive cardiology 20200228 16

<h4>Background</h4>Mobile health interventions, especially smartphone applications (apps), have been proposed as promising interventions for supporting adherence to healthy behaviour in patients post cardiac rehabilitation (CR). The overall aim of the study was to examine the effect of individualized follow-up with an app for one year on peak oxygen uptake (VO<sub>2peak</sub>) in patients completing CR.<h4>Design</h4>The study was designed as a single-blinded multicentre randomized controlled tr ...[more]

PMID: 32106713

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Project description:PurposeTo evaluate aerobic exercise capacity in 5-year intensive care unit (ICU) survivors and to assess the association between severity of organ failure in ICU and exercise capacity up to 5-year follow-up.MethodsSecondary analysis of the EPaNIC follow-up cohort (NCT00512122) including 433 patients screened with cardiopulmonary exercise testing (CPET) between 1 and 5 years following ICU admission. Exercise capacity in 5-year ICU survivors (N = 361) was referenced to a historic sedentary population and further compared to demographically matched controls (N = 49). In 5-year ICU survivors performing a maximal CPET (respiratory exchange ratio > 1.05, N = 313), abnormal exercise capacity was defined as peak oxygen consumption (VO2peak) < 85% of predicted peak oxygen consumption (%predVO2peak), based on the historic sedentary population. Exercise liming factors were identified. To study the association between severity of organ failure, quantified as the maximal Sequential Organ Failure Assessment score during ICU-stay (SOFA-max), and exercise capacity as assessed with VO2peak, a linear mixed model was built, adjusting for predefined confounders and including all follow-up CPET studies.ResultsExercise capacity was abnormal in 118/313 (37.7%) 5-year survivors versus 1/48 (2.1%) controls with a maximal CPET, p < 0.001. Aerobic exercise capacity was lower in 5-year survivors than in controls (VO2peak: 24.0 ± 9.7 ml/min/kg versus 31.7 ± 8.4 ml/min/kg, p < 0.001; %predVO2peak: 94% ± 31% versus 123% ± 25%, p < 0.001). Muscular limitation frequently contributed to impaired exercise capacity at 5-year [71/118 (60.2%)]. SOFA-max independently associated with VO2peak throughout follow-up.ConclusionsCritical illness survivors often display abnormal aerobic exercise capacity, frequently involving muscular limitation. Severity of organ failure throughout the ICU stay independently associates with these impairments.

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Long-term follow-up with a smartphone application improves exercise capacity post cardiac rehabilitation: A randomized controlled trial.

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Long-term follow-up with a smartphone application improves exercise capacity post cardiac rehabilitation: A randomized controlled trial.

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