Journal of medical imaging and radiation oncology · 2012
Radioembolisation with Yttrium-90 microspheres: an effective treatment modality for unresectable liver metastases.
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Bester Lourens, Meteling Baerbel, Pocock Nicholas, Saxena Akshat, Chua Terence C, Morris David L
Аннотация
PURPOSE: To compare the outcomes (survival and adverse events) of the authors' use of (90) Y microsphere radioembolisation in patients with chemotherapy-refractory liver metastases with published data from other groups using radioembolisation. To retrospectively evaluate the efficiency, in particular survival benefits, of radioembolisation in the treatment of liver metastases.
METHODS AND MATERIALS: Over 5 years, 339 patients underwent (90) Y microsphere radioembolisation for unresectable liver metastases and were evaluated for adverse events at the time of treatment and 1 and 3 months after treatment. Overall survival (OS) was calculated by the Kaplan-Meier method. The results from the present retrospective study were compared with a number of prospective and retrospective clinical trials which have addressed the use of (90) Y microspheres as a salvage treatment for liver metastases.
RESULTS: The OS time of the present study (12.0 months) compares favourably with survival times reported by other groups. The incidence of late grade 2 adverse events (e.g. duodenal or gastric ulceration, radiation-induced liver disease, gall bladder complications) is comparable to previous studies, with a lower prevalence of grade 2/3 ulcerations (3.7%) at our centre.
CONCLUSIONS: The survival results, together with the low acute and late toxicity observed in our data and previous studies, support the use of radioembolisation to aid in the local control of unresectable liver metastases in the salvage setting. The present study contributes to the growing evidence for efficiency, in particular survival gains, of radioembolisation in the treatment of liver metastases.
METHODS AND MATERIALS: Over 5 years, 339 patients underwent (90) Y microsphere radioembolisation for unresectable liver metastases and were evaluated for adverse events at the time of treatment and 1 and 3 months after treatment. Overall survival (OS) was calculated by the Kaplan-Meier method. The results from the present retrospective study were compared with a number of prospective and retrospective clinical trials which have addressed the use of (90) Y microspheres as a salvage treatment for liver metastases.
RESULTS: The OS time of the present study (12.0 months) compares favourably with survival times reported by other groups. The incidence of late grade 2 adverse events (e.g. duodenal or gastric ulceration, radiation-induced liver disease, gall bladder complications) is comparable to previous studies, with a lower prevalence of grade 2/3 ulcerations (3.7%) at our centre.
CONCLUSIONS: The survival results, together with the low acute and late toxicity observed in our data and previous studies, support the use of radioembolisation to aid in the local control of unresectable liver metastases in the salvage setting. The present study contributes to the growing evidence for efficiency, in particular survival gains, of radioembolisation in the treatment of liver metastases.