Do Depressive Symptoms Moderate the Effects of Exercise Self-efficacy on Physical Activity Among Patients With Coronary Heart Disease?

The Feasibility and Effects of Smartphone-Based Application on Cardiac Rehabilitation for Patients After Percutaneous Coronary Intervention: A Randomized Controlled Trial

BACKGROUND

Cardiac rehabilitation (CR) referral and participation are generally found to be underused worldwide. The data in Asian regions suggest significant underutilization compared with western countries.

OBJECTIVES

To promote the continuity and effects of CR, this study aimed at supporting self-care and improving CR effects in phase II CR with mobile health application for Macao patients who have undergone percutaneous coronary intervention.

METHODS

The study was a randomized controlled trial conducted between January 2018 and June 2020 in a nongovernmental Hospital. Social cognitive theory was applied in the intervention for an experimental group. Measurements including anxiety and depression level, medication adherence, exercise capacity, physical activity level, cardiovascular risk modification, self-efficacy, quality of life, use of healthcare resources, mHealth CR utility, and satisfaction were analyzed.

RESULTS

One hundred forty eligible patients were recruited, and 110 patients completed the study. Significant interventional effects of the experimental group were found on the reduction of total cholesterol, low-density lipoprotein, sitting time, anxiety level, and total anxiety and depression level ( P < .05). In addition, significant improvement on the 6-minute walk test, regular exercise performance, self-efficacy of cardiac exercise and diet, and quality of life were found as interventional effects in the experimental group ( P < .05). The feasibility of intervention was achieved in a satisfactory level.

CONCLUSIONS

This theoretically grounded mobile health CR study was a unique program tailor-made to meet the care needs of patients post percutaneous coronary intervention. It was feasible and effective to support CR effects and adherence and would inform further design of clinical practice and public policies.

The Impact of Depression and Exercise Self-Efficacy on Benefits of Pulmonary Rehabilitation in Veterans with COPD

Pulmonary rehabilitation (PR) improves health-related quality of life (HRQoL) and exercise capacity. Little is known about the impact of depression symptoms and exercise self-efficacy on improvements in these key PR outcomes. This study examined the impact of baseline depression status and change in depression symptoms (Beck Depression Inventory-II [BDI-II] score) over the course of PR on change in HRQoL assessed by the Chronic Respiratory Disease Questionnaire-Self Reported (CRQ-SR) and exercise capacity as measured by the 6-Minute Walk Test (6MWT). We also examined whether baseline exercise self-efficacy moderated the association between baseline depression symptoms and change in these key PR outcomes. We studied 112 US veterans (aged 70.38 ± 8.49 years) with chronic obstructive pulmonary disease (COPD) who completed PR consisting of twice-weekly 2-hour classes for 18 sessions. Depressed (BDI-II >13) and nondepressed (BDI-II ≤13) patients at baseline demonstrated comparable and significant improvement in CRQ-SR total score, subscales, and 6MWT. Greater reduction in depression over the course of treatment was significantly associated with greater improvement in CRQ-SR total score and the following subscales: fatigue, mastery, and emotional function. Change in depression did not predict change in 6MWT distance. Baseline exercise self-efficacy moderated the association between baseline depression symptoms and change in CRQ-SR fatigue. Specifically, when baseline exercise self-efficacy was <30.4, greater baseline depression was associated with less improvement in CRQ-SR fatigue. When baseline self-efficacy was >152.0, greater baseline depression was associated with greater improvement in CRQ-SR fatigue. PR programs should address mood and confidence to exercise given their impact on key PR outcomes.

The feasibility of smartphone-based application on cardiac rehabilitation for Chinese patients with percutaneous coronary intervention in Macau: a qualitative evaluation

BACKGROUND

To improve cardiovascular risk factors modification and effects of cardiac rehabilitation (CR), electronic applications on CR are suggested in the literature for patients after percutaneous coronary intervention (PCI).

METHODS

A sequential qualitative study, embedded in a quantitative experimental trial for mHealth application on CR (mCR) study evaluation, was conducted to understand the usability and satisfaction of mCR study. Purposive sampling were used until achieving data saturation. Individually semi-structured interviews were conducted. The textual narration from interview transcriptions were analysed by content analysis.

RESULTS

Ten participants were interviewed for qualitative evaluation. Findings presented the perceptive and experience of the mCR app users. Results were captured by four themes: 1. feasibility of mCR app, including practicality, acceptability and convenience, and barriers to use; 2. benefits from mCR app, explaining the effectiveness of mCR study; 3. advocator for better hospital care, disclosing an extension of healthcare and promoting patient-healthcarer relationship; and 4. recommendation for mCR app improvement.

CONCLUSION

Findings provided insights for cardiac healthcare providers to understand the feasibility of mHealth application on phase II CR in Macau. The mCR app facilitated CR engagement which contributed to health and well-being by promoting CHD and CR knowledge, and cardiac healthy lifestyle modification.

Effect of Mobile Internet on Attitude and Self-Efficacy of Patients with Coronary Heart Disease Diagnosed by 12-Lead Holter ECG

Objective

To explore the effect of mobile Internet on attitude and self-efficacy of patients with coronary heart disease (CHD) diagnosed by 12-lead Holter ECG.

Methods

The clinical data of 62 patients with CHD who underwent routine ECG examination (control group I) and 12-lead dynamic electrocardiogram (control group II) in our hospital (June 2017–December 2020) were retrospectively analyzed, and the clinical data of another 62 patients with CHD who received 12-lead Holter ECG examination combined with mobile Internet in our hospital at the same time (study group) were retrospectively analyzed. The clinical observation indexes of the three groups were compared.

Results

No obvious difference in general data among groups (P > 0.05). Compared with the control group I, the positive detection rate (PDR) of the study group and the control group II was obviously higher (P < 0.05), and the PDR of the study group was obviously higher than that of the control group II, without remarkable difference between both groups (P > 0.05). Compared with the control group, the scores of CAS-R of the study group were obviously higher (P < 0.05), and self-efficacy of daily life, health behaviors, medication compliance, and compliance behavior of the study group was obviously better (P < 0.05). The diagnostic efficacy was derived by ROC curve analysis, 12-lead Holter ECG combined with mobile Internet + routine ECG > 12-lead Holter ECG combined with mobile Internet > 12-lead Holter ECG > routine ECG.

Conclusion

Compared with the routine ECG, the sensitivity of 12-lead Holter ECG in the diagnosis of CHD is conspicuously higher. Meanwhile, 12-lead Holter ECG combined with mobile Internet can enhance the diagnostic efficiency and improve patients' perceived control attitude and self-efficacy.

Effect of Integrated Nursing Care Based on Medical Alliance Mode on the Prevention and Treatment of Complications and Self-Efficacy of Patients with Coronary Heart Disease after PCI

Objective. To explore the effect of integrated nursing care based on the medical alliance model on prevention and treatment of complications and self-efficacy in patients with coronary heart disease (CHD) after PCI. Methods. The data of CHD patients treated in our hospital from January 2019 to January 2021 were analyzed in this retrospective study. One hundred and twenty patients were selected as the research subjects according to the inclusion and exclusion criteria and equally split into the observation group and reference group according to the order of admission. Both groups received routine nursing care, while the observation group was additionally given integrated nursing care based on the medical alliance model to compare the self-efficacy scores, scores of self-management abilities, and incidence of postoperative complications between the two groups before and after nursing. Both groups were nursed for 6 months. Results. Compared with the reference group, the observation group after nursing achieved a notably higher GSES score (26.10 ± 1.30 vs 22.18 ± 1.30, t = 16.516, $P<0.001$ ), higher scores of self-management ability $\left(P<0.001\right)$ , and a lower incidence of postoperative complications $\left(P<0.05\right)$ . Conclusion. Integrated nursing care based on the medical alliance model can improve the self-efficacy of CHD patients undergoing PCI, enhance their self-management ability, and reduce the incidence of postoperative complications, which is conducive to improving the prognosis of patients.

Depression mediates physical activity readiness and physical activity in patients with heart failure

Aims

Although physical activity (PA) and exercise are essential for patients with heart failure (HF), adherence to the recommended guidelines is low. Not much is known about the mediating effect of HF patients' mental state with their readiness for PA and reported activity levels. The purpose of this study is to investigate the mediatory effect of depression on PA readiness (physical limitation and psychological readiness) and self‐reported PA in patients with HF.

Methods and results

In this cross‐sectional study, 163 New York Heart Association Class I and II HF patients, during their clinic visit, reported on their physical limitation (PAR‐Q) and psychological readiness [self‐efficacy (ESES) and motivation (RM 4‐FM)] for PA, depression (HADS‐D), and PA (s‐IPAQ). Mediation analysis was performed to test the mediating effect of depression on PA readiness (physical limitation and psychological readiness) and self‐reported PA following the steps described by Baron and Kenny (1986). Hierarchical regression models were tested for their effects. The Self‐Efficacy Theory and Self‐Determination theory provided the theoretical platform for the study. Depression completely mediated the effect of physical limitation (β_dep = 268.57; P < 0.0001) and partially mediated the effect of self‐efficacy on PA (β_dep = 344.16; P < 0.0001). Both intrinsic (P < .0001) and extrinsic motivation (P < .0001) for PA had an independent and significant effect on PA, not mediated by depression.

Conclusions

Patients with HF should be screened for depression throughout the trajectory of the disease as it can impact their physical and psychological readiness to perform PA.

CPAP increases physical activity in obstructive sleep apnea with cardiovascular disease

STUDY OBJECTIVES

Uncertainty exists over whether continuous positive airway pressure (CPAP) treatment improves moderate to vigorous physical activity levels in those with obstructive sleep apnea. We aimed to determine effects of CPAP on moderate to vigorous physical activity among participants with co-occurring cardiovascular disease and obstructive sleep apnea.

METHODS

The Sleep Apnea cardioVascular Endpoints (SAVE) trial recruited participants with confirmed cardiovascular disease history and obstructive sleep apnea, 45-75 years old. The 2,687 participants (1,346 randomized to CPAP plus usual care and 1,341 to usual care alone) were followed up for a mean of 3.7 years. Self-reported physical activity was recorded at baseline, 6, 24, and 48 months using the Godin-Shepard Leisure Time Exercise Questionnaire (LTEQ). We also determined effects on any limitation of physical activity reported on the physical functioning subscale of the 36-item short form questionnaire (SF-36) and proportions of participants reaching guideline recommended physical activity levels.

RESULTS

Among 2,601 participants with available data, those in the CPAP group reported significantly more physical activity compared to the usual care group, with approximately 20% higher reported moderate activities on the LTEQ during follow-up (adjusted mean 95% confidence interval) scores: 8.7, 7.5-9.9 vs 7.3, 6.1-8.5; P = .003). Those in the CPAP group also reported less limitation in physical activity (adjusted between-group difference in SF-36 physical functioning subscale score 1.66, 95% confidence interval 0.87-2.45; P < 0.001), and more reported sufficient levels of physical activity to meet recommendations.

CONCLUSIONS

CPAP has positive effects on improving physical activity levels, consistent with long-term health benefits.

CLINICAL TRIAL REGISTRATION

Registry: ClinicalTrials.gov; Name: Continuous Positive Airway Pressure Treatment of Obstructive Sleep Apnea to Prevent Cardiovascular Disease (SAVE); URL: https://clinicaltrials.gov/ct2/show/NCT00738179; Identifier: NCT00738179; and Registry: Australian New Zealand Clinical Trials Registry; Name: Sleep Apnea cardioVascular Endpoints study-An investigation of continuous positive airway pressure for the treatment of obstructive sleep apnea to prevent cardiovascular disease; URL: https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=83062&isReview=true; Identifier: ACTRN12608000409370.

Cross-Cultural Reliability of an Arabic Version of the Self-Efficacy for Managing Chronic Disease 6-Item Scale in Arab Patients with Diabetes mellitus

INTRODUCTION

Arab nations have the second highest diabetes mellitus (DM) prevalence in the world. There is a growing interest in self-management programs that emphasize patient's central role in managing type 2 DM.

AIM OF THE STUDY

To validate an Arabic version of the Self-Efficacy for Managing Chronic Disease 6-Item Scale (SEM6S) among Arab type 2 DM patients and to explore factors associated with self-efficacy measured with the SEM6S.

METHODS

Cross-sectional study on 302 Arab patients with T2DM of three different nationalities (Egyptian, Saudi, Kuwaiti).The SEM6S was translated using forward-backward method, and its reliability was determined by calculating Cronbach's alpha. A regression model was used to examine variables associated with self-efficacy in Arab patients with T2DM.

RESULTS

Questionnaire was successfully translated without language or content-related problem. The mean age of participants was 47.71±14.7 years with equally represented sexes. The mean total score of the SEM6S was 5.99±1.86. The scale psychometric properties was reproducible (ICC=0.61-0.71) with good reliability (Cronbach's alpha=0.79). Statistically significant increase in self-efficacy was observed in patients <30 years, uncomplicated DM, DM with hypertension, and in patients who had physical activity > 60min per day. Also, a bimodal increase in self-efficacy was detected in patients with DM<5 years and 10.1-15 years. After regression analysis, physical activity was significantly positively correlated with self-efficacy (β=0.8, P=0.01), and duration of diabetes was significantly negatively correlated with self-efficacy (β = -0.23, P=0.03).

CONCLUSION

Arabic SEM6S is acceptable, reliable and repeatable metric for self-efficacy.

Leisure-Time Physical Activity and Depressive Symptoms Among Patients With Coronary Heart Disease: The Mediating Role of Physical Activity Self-Efficacy

BACKGROUND

Despite the positive effect of physical activity on reducing depressive symptoms among patients with coronary heart disease (CHD), the effect of physical activity on depressive symptoms is poorly understood.

AIMS

To examine the mediating role of physical activity self-efficacy in the relationship between leisure-time physical activity and depressive symptoms in CHD patients.

METHODS

This was a secondary data analysis study. A total of 593 CHD patients were included. Data on leisure-time physical activity, physical activity self-efficacy, and depressive symptoms were collected by validated questionnaires. Sociodemographic and clinical data were collected via patient interviews and medical records reviewing. The approach of Baron and Kenny was adopted to examine the mediating effect of physical activity self-efficacy on the association between leisure-time physical activity and depressive symptoms.

RESULTS

On average, participants aged 56.9 (± 12.5) years old, with 66% male. Statistical analyses showed that leisure-time physical activity was significantly associated with depressive symptoms (β = -0.041, p = .040) and physical activity self-efficacy (β = 0.197, p = .001), and physical activity self-efficacy was significantly associated with depressive symptoms (β = -0.223, p = .001) after adjusting for leisure-time physical activity. The indirect effect of leisure-time physical activity on depressive symptoms through physical activity self-efficacy was also significant (β = -0.044, 95% confidence interval: -0.064, -0.027), suggesting a mediating role of physical activity self-efficacy on the relationship between leisure-time physical activity and depressive symptoms.

LINKING EVIDENCE TO ACTION

Leisure-time physical activity is associated with reduced depressive symptoms among CHD patients, and this association is mediated by physical activity self-efficacy. This mediating model has important clinical implications, where integrating physical activity that is enjoyable and pleasant, and self-efficacy building elements in physical activity regimens should be considered, so as to improve psychological outcomes among CHD patients.