This study is a single-blind randomized clinical trial involving 40 adult patients undergoing elective open-heart surgery. The sample was allocated into two groups: 20 subjects in the oral carbohydrate fluid group and 20 subjects in the water group consumed 2 hours before surgery. Insulin resistance was measured by blood glucose levels, HOMA-IR index, and insulin tolerance tests. Postoperative outcomes were assessed by ICU stay duration, ventilator use, and hospital stay duration. Patient comfort factors were measured by hunger, thirst, nausea, and comfort levels.
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Insulin resistance difference between two groups
Timeframe: Within 30 minutes before and 30 minutes after operation
Insulin resistance difference between two groups
Timeframe: Within 30 minutes before and 30 minutes after operation
Insulin resistance difference between two groups
Timeframe: Within 30 minutes before and 30 minutes after operation
Operation outcome difference between two groups
Timeframe: From completion of operation to ICU discharge or death, usually under 28 days
Operation outcome difference between two groups
Timeframe: From completion of operation to hospital discharge or death, usually under 28 days
Operation outcome difference between two groups
Timeframe: From completion of operation to cessation of ventilator use or death, usually under 28 days
Subjective well being difference between two groups
Timeframe: Preoperatively in the preparation room, usually around 1 hour before operation
Subjective well being difference between two groups
Timeframe: Preoperatively in the preparation room, usually around 1 hour before operation
Subjective well being difference between two groups
Timeframe: Preoperatively in the preparation room, usually around 1 hour before operation
Subjective well being difference between two groups
Timeframe: Preoperatively in the preparation room, usually around 1 hour before operation