Participants will receive video-education about bypass surgery care, the day before the surgery, for once.

Participants will receive verbal education about bypass surgery care, the day before the surgery, once

It includes information about surgical process and handling issues within the first few days of surgery.

Visual analog scale (VAS): VAS is a widely used scale for pain assessment. The scale was developed by Albersnagel, and its validity and reliability in our country were established by Aydin et al. In VAS, pain averages ranging from 0 to 10 are given on a 10 cm scale. Accordingly, while "0" indicates no pain, an average VAS value of "1-4" indicates mild pain, "5-6" indicates moderate pain, and "7-10" indicates severe. Change= VAS score of video-education group\

State anxiety scale (STAI-I): The scale determines how the individual feels at a certain moment, in a certain condition, and his/her emotions regarding the situation. The total score obtained from the scale is between 20-80. A high score indicates a high level of anxiety. The feelings and behaviors expressed in the State Anxiety Scale items are answered by marking one of the following conditions, such as (1) not at all, (2) a little, (3) a lot and (4) completely, according to the severity of such experiences. Change= STAI-I score of video-education group\

Amsterdam Preoperative Anxiety and Information Scale (APAIS): The scale is one of the scales used to evaluate preoperative anxiety. Source of anxiety; It is divided into three: due to surgery, anesthesia or lack of information. It contains 6 statements regarding these three sources to assess anxiety. In order to objectify the survey, each statement is given a numerical value based on a 5-point Likert scale according to severity; These values, ranging from 1 to 5; 1=none, 2=mild, 3=moderate, 4=severe, 5=extreme severity. Higher score means higher preoperative anxiety. Change= APAIS score of video-education group\