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What does surgery involve?
Coronary Artery Bypass Surgery or CABG involves redirecting heart blood flow around a narrow artery so that the blood can flow smoothly around the heart. This can potentially reduce the risk of a Myocardial Infarction (Heart Attack) from occuring. This is a major surgery and a thorough assessment should be undertaken before opting to have the surgery.

CABG and Exercise
CABG is a medically proven way to improve mortality rates and provide an improved quality of life for patients(at least short term). Preoperative exercises and other lifestyle interventions provide important postoperative benefits for patients and hence can assist in maintaining or improving subsequent Cardiovascular (CV) health after CABG surgery. Some of these benefits include; When determining the type of preoperative exercise a patient should undertake, an appropriate risk assessment procedure should be used to identify if there is a high risk of Postoperative Pulmonary complications.
 * reduced hospital stay
 * decrease risk of pulmonary complications during surgery
 * strengthen respiratory muscles
 * Improve percerived quality of life pre and post surgery

Inspiratory Muscle Training (IMT)

 * Increase Respiratory Muscle Strength
 * Increase Respiratory Muscle Endurance
 * May decrease mortality
 * Better pulmonary gas exchange before and after surgery
 * Increase Maximal Inspiratory Pressures(MIPS)

Low Intensity Exercise

 * Improve physical and Mental Quality of Life
 * Improve Blood Pressure
 * Improve Heart function
 * Increase V02 peak value
 * Improve exercise tolerance

Recommendations
It is reccommended that patients who are undrgoing CABG surgery should do some kind of light physical activity (PA) prior to their operation. PA can vary between light walks or rides, light resistance training, stretching and inspiratory muscle strengthening. Activity at a higher intensity has not been researched or trialled before, so higher intensity physical activity is not recommended before a CABG operation. It conjunction with PA other lifestyle changes can be made to improve health before the operation, this includes things such as; Undertaking the above lifestyle changes prior to a CABG operation can provide patients with a postoperative advantage into the rehabilitation phase after the surgery. One of the most important benefits from preoperative exercise is the improved Quality of Life patients perceive to have follwing surgery, this can be the key to a longer term health benefit and lifestyle change.
 * Practicing Relaxation Techniques
 * Education about dealing with possible stresses that may arise
 * Check up phone calls from hospital staff helps patients feel better and adhere to exercise programs.
 * Diet Supplementation such as Omega-3 fatty acids