"Nutrition Education by Nurses in Patients After Coronary Artery Bypass Grafting: Effect on Patients' Dietary Pattern, Adherence and Clinical Outcomes"

This questionnaire will be completed by patients in both groups. The aim of this questionnaire is to assess the patients' dietary choices and how beneficial they are for their health, according to the Mediterranean diet model.

This questionnaire will be completed by patients in both groups. The aim of this questionnaire is to assess the nutritional status of the patients, their level of nutrition and appetite for food, and the potential risk of malnutrition.

This questionnaire will be completed by patients in both groups. The aim of this questionnaire is to assess the subjective discomfort of the individual with health problems as well as the extent to which these problems affect their normal activities.

This questionnaire will be completed by patients in both groups. The aim of this questionnaire is to assess the dietary choices of patients with cardiovascular diseases, such as the patients in this study.

Measurement of body weight, Body Mass Index, Fat and Water Percentage, Chest, Waist and Hip Circumference of patients using a tape measure and electronic scale-lipometer. Also, measurement of bloodless blood pressure and fasting glucose.

Nutritional education using an information leaflet, e-mails and telephone calls to patients in group B only. Discussion regarding their dietary choices before surgery, identification of wrong habits and efforts to improve them afterwards. It will concern all the basic categories of healthy eating (preference for fruits, vegetables, proteins, healthy carbohydrates, reduction of saturated fat, salt and sugar and information about nutritional labels and how to choose foods according to them). The goal is for patients who will receive this education to improve their measurements in repeat meetings with the researcher, compared to those who will not be informed.