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Major hepatectomies are high-risk surgeries offered more and more frequently for the curative treatment of primary or secondary liver cancer, and for complex cases, representing a real challenge for medical teams. The 1st peroperative phase of "hepatic resection" requires a minimum supply of filling fluids to limit perioperative bleeding (Low Central Venous Pressure). However this strategy exposes the risk of organ hypoperfusion due to low cardiac flow, secondary to hypovolaemia, which may lead to ischemic situations favoring the onset of postoperative complications. On the other hand, the hemodynamic management of the 2nd peroperative phase "post hepatic resection" is marked by the need to correct this hypoperfusion by optimizing cardiac output by suitable vascular filling.
The major challenge is thus to restore cardiac output by refilling without excess, by correcting the hypovolemia that arose during the "post resection of the hepatic parenchyma" phase.
Our hypothesis is that an individualized protocol for optimizing intraoperative cardiac flow by guided vascular filling during the "post hepatic resection" phase is accompanied by a reduction in postoperative complications in patients operated on for major hepatic surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Optimization of cardiac flow by base water-electrolyte supply | Experimental | Optimization of cardiac flow by base water-electrolyte supply of 1 ml / kg / h by Ringer Lactate® and faced with any decrease of more than 10% of the VES compared to the reference VES, achievement of an optimization of the preload by administration of 250 ml of Ringer Lactate® with renewal until correction of the VES. |
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| Control arm | Other | Increase basic hydro-electrolyte supply of 6 ml / kg / h by Ringer Lactate® and 1: 1 blood loss compensation by crystalloids of the same nature. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Optimization of cardiac flow by base water-electrolyte supply | Behavioral | optimization of cardiac flow by base water-electrolyte supply of 1 ml / kg / h by Ringer Lactate® and faced with any decrease of more than 10% of the VES compared to the reference VES, achievement of an optimization of the preload by administration of 250 ml of Ringer Lactate® with renewal until correction of the VES. |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluation of the cardiac output optimization strategy on the occurrence of postoperative complications | Assessment of the impact of an individualized protocol for optimizing perioperative cardiac flow guided by monitoring of dynamic indices of preload dependence during the post-hepatic resection phase on the occurrence of postoperative complications in major hepatic surgery, for primary hepatic cancer or metastatic origin. We retain as the primary endpoint, the percentage of patients with at least one postoperative complication regardless of the grade in the Dindo-Clavien classification. | From Day 1 to Day 30 post-surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluation of grade III-IV postoperative complication in the Dindo-Clavien classification | To determine whether the strategy for optimizing cardiac output guided by dynamic dependence preload indices is associated with a difference in the incidence of occurrence of at least one grade III-IV postoperative complication in the Dindo-Clavien classification | From Day 1 to Day 30 post-surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Dominique GENRE, MD | Contact | +33 4 91 22 37 78 | drci.up@ipc.unicancer.fr | |
| Carine Feuillet, PhD | Contact | +33 4 91 22 34 48 | drci.up@ipc.unicancer.fr |
| Name | Affiliation | Role |
|---|---|---|
| Jean-Manuel de Guibert, MD | Institut Paoli-Calmettes | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institut Paoli Calmettes | Recruiting | Marseille | 13009 | France |
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| Control arm | Behavioral | increase basic hydro-electrolyte supply of 6 ml / kg / h by Ringer Lactate® and 1: 1 blood loss compensation by crystalloids of the same nature. |
|
| Evaluation of length of stay in the hospital | To determine whether the cardiac output optimization strategy guided by the dynamic dependence preload indices is associated with a difference in the length of stay in the Continuing Care Unit, intensive care unit or length of hospital stay or on re-hospitalization rates | From Day 1 to Day 30 post-surgery |
| Evaluation of mortality | To determine whether the cardiac output optimization strategy guided by the dynamic dependence preload indices is associated with a difference in mortality at D30 and D90 | On Day 1, Day 30 and Day 90 post-surgery |
| Evaluation occurrence of organ failures | To determine whether the cardiac output optimization strategy guided by dynamic dependence preload indices has an impact on the occurrence of organ failures, which will be evaluated by the SOFA score per device from Day 1 to Day 7 postoperatively | From Day 1 to Day 7 post-surgery |
| Evaluation of hemodynamic parameters | To determine whether the cardiac output optimization strategy guided by dynamic dependence preload indices is associated with a difference on hemodynamic parameters | From Day 0 to Day 1 post-surgery |