European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2022
Outcome of near-infrared fluorescence-navigated pulmonary metastasectomy for hepatocellular carcinoma.
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Wang Zhenfan, Yang Feng, Zhao Xiaoyi, Mi Jiahui, Sun Lina, Kang Nan, Jiang Guanchao, Yang Fan, Li Yun, Zhou Jian
Аннотация
OBJECTIVES: Pulmonary metastasectomy for hepatocellular carcinoma (HCC) is suitable in highly selected patients. However, complete resection is challenging in HCC patients with multiple lung metastases. We aimed to describe the clinical utility and survival outcome of indocyanine green (ICG) fluorescence-navigated resection of HCC lung metastases.
METHODS: From October 2015 to March 2021, 15 HCC patients with pulmonary metastasis underwent near-infra-red (NIR) fluorescence imaging thoracoscopic surgery. ICG was administered through peripheral veins preoperatively. All suspected lesions detected by palpation, white-light thoracoscopy or NIR imaging were resected. After metastasectomy, all patients were followed up at regular intervals of 6-12 months.
RESULTS: A total of 90 metastatic HCC nodules were resected in 15 patients. All patients received sublobar resections, during which 89 lesions were removed by wedge resection and 1 lesion was managed via segmentectomy. Under NIR fluorescence imaging, 81 nodules successfully demonstrated fluorescence during the surgery, while 9 metastatic nodules were undetected. The median signal-to-background ratio of the nodules was 3.34. Five patients died and 7 patients relapsed by the end of observation. The median overall survival and disease-free survival were 47.1 and 17.3 months, respectively. The 1-year overall survival and disease-free survival rates were 71.1% and 57.8%, respectively.
CONCLUSIONS: ICG fluorescence imaging technology is useful for visualization of the peripheral tumours to assist in pulmonary metastasectomy for HCC. In addition, this technology has the potential to detect the small tumour that is missed in preoperative examinations, which might be beneficial for HCC patients with multiple lung metastases.
METHODS: From October 2015 to March 2021, 15 HCC patients with pulmonary metastasis underwent near-infra-red (NIR) fluorescence imaging thoracoscopic surgery. ICG was administered through peripheral veins preoperatively. All suspected lesions detected by palpation, white-light thoracoscopy or NIR imaging were resected. After metastasectomy, all patients were followed up at regular intervals of 6-12 months.
RESULTS: A total of 90 metastatic HCC nodules were resected in 15 patients. All patients received sublobar resections, during which 89 lesions were removed by wedge resection and 1 lesion was managed via segmentectomy. Under NIR fluorescence imaging, 81 nodules successfully demonstrated fluorescence during the surgery, while 9 metastatic nodules were undetected. The median signal-to-background ratio of the nodules was 3.34. Five patients died and 7 patients relapsed by the end of observation. The median overall survival and disease-free survival were 47.1 and 17.3 months, respectively. The 1-year overall survival and disease-free survival rates were 71.1% and 57.8%, respectively.
CONCLUSIONS: ICG fluorescence imaging technology is useful for visualization of the peripheral tumours to assist in pulmonary metastasectomy for HCC. In addition, this technology has the potential to detect the small tumour that is missed in preoperative examinations, which might be beneficial for HCC patients with multiple lung metastases.