Does desmopressin reduce bleeding in liver surgery? An experimental study on pigs

Area of Science:

• Hepatobiliary Surgery
• Surgical Hemostasis
• Pharmacological Interventions

Background:

• Intraoperative bleeding is a major challenge in liver surgery, contributing to significant postoperative morbidity and mortality.
• While surgical techniques have improved, controlling bleeding remains critical, with mortality rates ranging from 3.2% to 14.3% in experienced centers.
• Desmopressin acetate is known to reduce bleeding time by enhancing platelet activity and factor VIII levels.

Purpose of the Study:

• To evaluate the efficacy of desmopressin acetate in reducing intraoperative blood loss during standardized experimental liver resection.
• To determine if desmopressin acetate can serve as an effective adjunct for hemostasis in liver surgery.

Main Methods:

• A randomized controlled trial involving sixteen Swedish domestic pigs.
• Pigs were administered either desmopressin acetate (0.3 ug/kg IV) or a placebo before undergoing liver resection using the finger fracture technique.
• Intraoperative blood loss was quantified using hemoglobin levels and gauze swab weights; pigs were monitored for one week post-operation.

Main Results:

• All sixteen pigs survived the surgical procedure and the postoperative week without complications.
• No statistically significant difference in intraoperative blood loss was observed between the desmopressin acetate group and the placebo group.
• Post-mortem examination of the resection area revealed no discernible differences between the groups.

Conclusions:

• Desmopressin acetate did not demonstrate a significant effect in reducing intraoperative bleeding in this experimental model of liver resection.
• Further research may be needed to explore alternative pharmacological agents or refined surgical techniques for managing bleeding in liver surgery.