Stress hyperglycemia in minimally invasive surgery

Area of Science:

• Endocrinology
• Metabolic Surgery
• Surgical Physiology

Background:

• Symptomatic gallstone disease often requires surgical intervention.
• Laparoscopic cholecystectomy is a common minimally invasive procedure.
• Understanding hormonal responses to surgery is crucial for patient management.

Purpose of the Study:

• To investigate hormonal and glucose metabolism changes during laparoscopic cholecystectomy.
• To compare hormonal responses between open and minimally invasive surgery.
• To assess the correlation between surgical stress and metabolic consequences.

Main Methods:

• A randomized trial involving 32 patients with symptomatic gallstone disease.
• Measurement of blood cortisol, glucagon, insulin, and glucose levels preoperatively and 6 hours postoperatively.
• Statistical analysis using Mann-Whitney U and Wilcoxon signed-rank tests.

Main Results:

• Both open and laparoscopic surgery significantly increased cortisol, glucagon, and glucose levels.
• Insulin levels and the insulin:glucagon ratio remained unchanged post-surgery.
• Open surgery induced a significantly higher increase in glucagon and cortisol compared to laparoscopic surgery.
• Glucose increase was not significantly different between open and laparoscopic surgery postoperatively.

Conclusions:

• Hormonal changes reflect surgical stress, with open surgery eliciting a greater response.
• Despite hormonal shifts, glucose metabolism is maintained, suggesting compensatory mechanisms.
• Metabolic consequences of hormonal changes are not directly proportional to the degree of surgical trauma in minimally invasive surgery.