Preoperative Oral Carbohydrate Loading Versus Fasting in Patients Undergoing Major Abdominal Surgery

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Description

The aim of this study is to compare the effect of preoperative carbohydrate load versus the fasting protocol in patients undergoing major abdominal operations.

Study Overview

Start Date
January 1, 2022
Completion Date
April 1, 2024
Enrollment
54
Date Posted
February 6, 2024
Accepts Healthy Volunteers?
No
Gender
All

Locations

Full Address
Tanta University
Tanta, El-Gharbia 31527, Egypt

Eligibility

Minimum Age (years)
21
Maximum Age (years)
70
Eligibility Criteria
Inclusion Criteria:

Age from 21 and 70 years.
Both sexes.
American Society of Anesthesiologists (ASA) physical status l & ll.
Scheduled for elective major abdominal surgery

Exclusion Criteria:

Disseminated malignant disease.
Increased risk for gastric content aspiration.
Body Mass Index (BMI) below 20 or above 30 kg/m2.
Nutritional risk screening 2002 score above 3.
Emergency surgery, diabetic patients, immunomodulatory therapy.
Refusal of the patient.

Study Contact Info

Study Contact Name
Eman M AboOmar, Master
Study Contact Email
Study Contact Phone

Contact Listings Owner Form

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Other Details

FDA Regulated Drug?
No
FDA Regulated Device?
No
Detailed Description
The surgical patients are influenced by many stressors during operation such as the prolonged fasting hours. Importantly, these stressors are iatrogenic and have been shown to disturb homeostasis with little benefit. Surgery itself, induces an endocrine and inflammatory stress response and contributes to postoperative insulin resistance (PIR) which increased also by Preoperative fasting.

Postoperative insulin resistance is a state of reduced insulin-mediated glucose uptake in skeletal muscles and adipose tissue, with an increased glucose release due to hepatic gluconeogenesis and hyperglycemia.

Strategies to reduce the postoperative stress response and postoperative insulin resistance include shortening the preoperative fasting time via preoperative carbohydrate oral drink administration (carbohydrate load). Preoperative fasting is the first step in postoperative insulin resistance development. The traditional fasting time of 6-8 h before elective surgery to prevent pulmonary aspiration usually extends up to 12 h in anesthetic practice. Overnight fasting is a physiological state of reduced insulin sensitivity due to the normal hormonal diurnal rhythm. If patients undergo surgery in the prolonged fasted state, insulin resistance may begin even before surgery.

A preoperative carbohydrate drink acts as a morning meal, may improve insulin sensitivity and propel the patient's metabolic state towards anabolism. The rationale of this study is to compare the differences between preoperative CHO loading and a conventional fasting protocol on the postoperative insulin resistance, Glasgow prognostic score (GPS), subjective patient well-being and surgical clinical outcome.
NCTid (if applicable)
NCT06243367