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Abstract
Background: Cardiovascular diseases represent the main cause of death in the world. Rehabilitation through exercise is more and more used in cardiac patients. Given that these patients suffer from depressive symptoms, the risk of having recurrent cardiovascular problems increases. Thus, the aim of this study is to identify the effects of a rehabilitation program on the physiological and psychological parameters; with a particular attention on the depression scores between the scales.
Methods: Twenty-eight cardiac patients participated in this study during a cardiovascular rehabilitation program. They are tested at their entry and at their exit with an evaluation of their physical fitness on an electromagnetic cycle ergometer and by four depression scales (Beck Depression Inventory, Hospital Anxiety and Depression Scale (HADS), Center for Epidemiologic Studies – Depression and Geriatric Depression Screening).
Results: We observe that 21.4–50% of these patients have depressive symptoms, according to depression scales. The women have depression scores significantly higher than the men. The rehabilitation program improves their maximal oxygen consumption and their maximal aerobic power. At the end of the rehabilitation program, our analysis identifies a significant decrease in the depression score for the HADS. Regardless of the physical deconditioning level and of the improvement of the maximal oxygen consumption, our results show an effect of the rehabilitation program on the depression scores. No correlation between the physical deconditioning and the different depression scores is observed.
Conclusions: This study shows the importance of measuring depression and its severity to improve the care of patients. Our findings show that between 21.4% and 50% of patients have depressive symptoms which challenges the categorical approach of the self-report depression scales.
- Implications for rehabilitation
Depression and cardiovascular diseases have an impact on the patients’ physical fitness.
The rehabilitation program, primarily based around exercise, reduces depressive symptoms.
As soon as cardiovascular diseases patients enter in a rehabilitation program, the depression should be measured by a psychologist.
Taking into account the depressive symptoms of the patients as soon as their cardiac event occurs makes it possible to improve the care of patients.
Acknowledgements
We would like to thank the cardiac rehabilitation center, all the staff of service of rehabilitation and all participants of this study. We appreciate the invaluable assistance of Ariane Levesque (McGill University) for her expert review of the article in the English language. The contents of this article are solely the responsibility of the authors and none has received funding to carry out this work.
Disclosure statement
The authors take responsibility for all aspects of the reliability and freedom from bias of the data presented and their interpretation discussed. The authors report no declarations of interest.