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[Topical cooling as an adjunct for hepatectomy with inflow occlusion]
1First Department of Surgery, Hyogo College of Medicine, Nishinomiya, Japan.
Nihon Geka Gakkai Zasshi
|June 27, 1998
Summary
Topical surface cooling effectively extends safe liver ischemia time during hepatectomy, even in patients with chronic liver disease. This method allows for longer occlusion periods, preventing further ischemic damage in complex liver surgeries.
Area of Science:
- Hepatobiliary surgery
- Surgical oncology
- Organ preservation
Context:
- Prolonged hepatic inflow occlusion during hepatectomy can cause significant ischemic injury.
- Historical methods of hypothermia for liver preservation had limitations, including adverse hemodynamic effects.
- Evolution of hypothermia techniques includes in situ perfusion and topical surface cooling.
Purpose:
- To evaluate the efficacy and safety of hemihepatic hypothermic perfusion using topical surface cooling during right-sided hepatectomy.
- To determine if topical surface cooling can extend the acceptable duration of hemihepatic inflow occlusion.
- To assess the impact of this technique on ischemic insult in patients with chronic liver disease.
Summary:
- A series of 39 patients undergoing right-sided hepatectomy utilized hemihepatic inflow occlusion combined with topical surface cooling.
- This approach allowed for a mean hemihepatic inflow occlusion time of 60 +/- 23 minutes without cyclic recirculation.
- No additional ischemic insult was observed compared to normothermic controls with shorter occlusion times.
Impact:
- Topical surface cooling is a feasible and effective adjunct for complicated hepatectomy requiring prolonged inflow occlusion.
- This technique can safely extend operative time, potentially improving outcomes in liver surgery.
- Demonstrates a practical method for liver preservation in challenging surgical scenarios.