Hepatic Insufficiency Clinical Trial
Official title:
Predictive Value of Hepato Biliary Scintigraphy to Assess the Risk of Postoperative Liver Failure Hepatectomies Stretches of 4 or More Segments on Non-cirrhotic Liver
Extended hepatectomies of 4 or more segments are complicated by high rates of morbidity and mortality, mainly related to hepatic liver failure. Nowadays, preoperative assessment of the future remnant liver is just performed through its volumetric measurement by computed tomography. Nevertheless, this volumetric assessment does not reflect the hepatocellular function of the future remnant liver that can be disturbed in case of vascular and/or biliary obstruction, chemotherapy-induced liver injuries or steatosis in overweight patients. Literature data (albeit originating from a single centre in Europe) have suggested that (99m)Tc-mebrofenin hepatobiliary scintigraphy could be useful in evaluating the function of the future remnant liver. The aim of this prospective multicentric study is to determine the predictive value of hepatobiliary scintigraphy in assessing the risk of postoperative liver failure of extended hepatectomies of 4 or more segments in noncirrhotic liver.
The main aim of the study is to determine the predictive value of (99m)Tc-mebrofenin hepatobiliary scintigraphy in assessing the postoperative risk of liver failure within 3 months of extended hepatectomy of 4 or more segments in noncirrhotic liver. The main endpoint is the three-months postoperative liver failure, defined as an increased International Normalized Ratio (INR) and concomitant hyperbilirubinemia (according to the normal limits of the local laboratory) on or after postoperative day 5 according to the international classification of the ISGLS (International Study Group of Liver Surgery) and classified according to its severity in grade A (no change of the patient's clinical management), grade B (deviation from the regular course but without invasive therapy) and grade C (invasive treatment) Secondary objectives are: To determine the predictive value of (99m)Tc-mebrofenin hepatobiliary scintigraphy in assessing the risk of postoperative morbi-mortality (according to Clavien-Dindo classification) within 3 months of extended hepatectomy of 4 or more segments in noncirrhotic liver, and the duration of intensive care unit stay and of hospitalization. - To assess the correlation between the results of the hepatobiliary scintigraphy and the presence of parenchymal abnormalities such as steatosis, fibrosis or chemotherapy-induced injuries (sinusoidal obstruction syndrome, steatohepatitis) at the histological analysis of the non tumoral liver parenchyma. - To assess the sensitivity of hepatobiliary scintigraphy in jaundiced patients who had a preoperative biliary endoscopic or radiologic drainage, considering the existing competition between mebrofenin and bilirubin on hepatic receptors. - To analyse the inter-centre reproducibility of the hepatobiliary scintigraphy (Central review by the principal investigator of 25 scintigraphy examinations per centre) ;
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