Cardiac rehabilitation is a major component of treatment for patients suffering from coronary pathology revealed by myocardial infarction or acute coronary syndrome warranting transluminal coronary angioplasty, as well as in the aftermath of cardiac surgery. A significant proportion of patients in this situation (40%) suffer from varying degrees of anxiety and depression, which are difficult to treat. These impair their quality of life and can make it more difficult for them to take part in the rehabilitation program, compromising the results that can be expected. Finally, they are often associated with lax compliance with medical treatment, less control of risk factors and less regular exercise. Cardiac rehabilitation teams are well aware of this anxiety-depressive picture, and various therapies such as sophrology, relaxation and yoga have been proposed as alternatives to conventional medical treatments to help patients through this period. Among these alternatives is the concept of Mindfulness-Based Meditation, based on the Mindfulness-Based Stress Reduction (MBSR) protocol described by Dr. JKabat Zinn. It has been the subject of several prospective randomized studies, which have demonstrated that it is suitable for the management of patients in this situation, and that it has measurable beneficial effects on their sense of well-being. To our knowledge, the MBSR program used in cardiac rehabilitation has never been the subject of a randomized comparative study in France to assess its effectiveness on medium- and long-term anxiety-depressive disorders. This is the objective of this study.