Abstract
Introduction
While total vascular exclusion (TVE) with veno-venous bypass and hypothermia may be undertaken to increase liver tolerance for complex liver resection, these procedures are still associated with elevated rates of postoperative complications and mortality. In particular, one of the main issues of this strategy is the management of bleeding after declamping, which is enhanced by both hypothermic state and acidosis. To overcome this high risk of morbidity, several technical refinements might be undertaken and here described (with video).
Methods
All patients, requiring TVE >60 min and liver cooling during hepatectomy, were retrospectively included in this study. Technical key points as (a) patient selection, (b) anesthetic management, (c) two-surgeon’s technique, (d) preparation for clamping, (e) veno-venous bypass, (f) cooling of the liver, and (g) parenchymal transection, rewarming, and declamping are described and detailed.
Results
From 2011 to 2013, we included 8 cases of liver resection with TVE, veno-venous bypass, and hypothermia for malignant disease. Due to the technical refinements, median observed overall blood loss of 550 ml (300–900) including 200 ml (50–300) at declamping and transfusion of packed red blood cell (PRBC) units was required in 5 patients with a mean of 1.25 PRBC/patient.
Conclusion
The association of TVE, veno-venous bypass, and liver cooling can reduce the time of transection, and blue dye injection and liver rewarming before declamping can reduce blood loss and coagulopathy. Altogether, limited blood loss can be achieved for these complex procedures and may allow to decreasing morbidity.
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Abbreviations
- I/R:
-
Ischemia reperfusion
- ICU:
-
Intensive care unit
- OS:
-
Overall survival
- DFS:
-
Disease free survival
- min:
-
Minutes
- TVE:
-
Total vascular exclusion
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François Cauchy and Raffaele Brustia have contributed equally.
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Preparing for clamping (IVC dissection and control and pedicular dissection). (Duration: 1′56″). Supplementary material 1 (M4 V 21963 kb)
Video 2: Veno-Venous By-pass,TVE of the Liver, cooling of the liver by hypothermic perfusion and topical cooling and parenchimal transection. (Duration: 4′31″). Supplementary material 2 (M4 V 123007 kb)
Blue dye injection and liver rewarming before declamping; IVC declamping, hemostasis and ablation of the cannulas. (Duration 1′15″). Supplementary material 3 (M4 V 25882 kb)
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Cauchy, F., Brustia, R., Perdigao, F. et al. In Situ Hypothermic Perfusion of the Liver for Complex Hepatic Resection: Surgical Refinements. World J Surg 40, 1448–1453 (2016). https://doi.org/10.1007/s00268-016-3431-3
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DOI: https://doi.org/10.1007/s00268-016-3431-3