At a glance
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Superselective Intra-arterial Hepatic Injection of Indocyanine Green (ICG) for Fluorescence Image-guided Segmental Positive Staining
In Brief
A clinical study evaluating Superselective Intra-arterial Hepatic Injection of Indocyanine Green (ICG) for Fluorescence Image-guided Segmental Positive Staining for Hepatic Carcinoma. Completed, enrolled 8 participants across 1 site.
Detailed Summary
More and more laparoscopic hepatectomy were performed due to increasing experience, well designed instruments and energy device. But the localization of tumor and resection line design are still relative difficult comparing open approach due to limit space. Intraoperative liver segmentation can be obtained by ultrasound-guide intraportal injection of a fluorophore and illuminating with a Near-Infrared light source for positive staining and by intravenous injection after ligation of segmental vessels for negative staining .The ultrasound guide intraportal injection approach is challenging in the minimally-invasive setting. However hepatocelluar carcinoma(HCC) was supplied by hepatic artery mainly. The investigators aimed to evaluate the feasibility of arterial base positive staining for fluorescence liver segmentation in human by superselective intra-hepatic artery injection of Indocyanine Green (ICG) .
Study Details
Timeline
Interventions
The patients with single HCC which is planned to received laparoscopic hepatectomy were involved. Procedures were performed in conventional angiography room. The celiac trunk was catheterized and a microcatheter was advanced into segmental hepatic artery branches which supplied the HCC. The 5cc 0.125 mg/cc ICG was injected from super-selective hepatic artery in operative room. A Near-Infrared laparoscope was used to detect the fluorescent signal to assess the correspondence between arterial-based fluorescence demarcation and ultrasound-based surgical demarcation.