Repeat hepatic resection for recurrent colorectal liver metastases is associated with favourable long-term survival

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Abstract
Background: The management of patients with recurrent colorectal liver metastases (RCLM) remains controversial. This study aimed to determine whether repeat liver resection for RCLM could be performed with acceptable morbidity, mortality and long‐term survival. Methods: Of 1121 consecutive liver resections performed and prospectively analysed between 1987 and 2005, 852 ‘curative’ resections were performed on patients with colorectal liver metastases. Single liver resection was performed in 718 patients, and 71 repeat hepatic resections for RCLM were performed in 66 patients. Results: There were no postoperative deaths following repeat hepatic resection compared with a postoperative mortality rate of 1·4 per cent after single hepatic resection. Postoperative morbidity was comparable following single and repeat hepatectomy (26·1 versus 18 per cent; P = 0·172), although median blood loss was greater during repeat resection (450 versus 350 ml; P = 0·006). Actuarial 1‐, 3‐ and 5‐year survival rates were 94, 68 and 44 per cent after repeat hepatic resection for RCLM, compared with 89·3, 51·7 and 29·5 per cent respectively following single hepatectomy. Conclusion: The beneficial outcomes observed after repeat liver resection in selected patients with RCLM confirm the experience of others and support its status as the preferred choice of treatment for such patients. Copyright © 2006 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.

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