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Laparoscopic simultaneous resection of colorectal primary tumor and liver metastases: a propensity score matching analysis
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Laparoscopic simultaneous resection of colorectal primary tumor and liver metastases: a propensity score matching analysis
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Laparoscopic simultaneous resection of colorectal primary tumor and liver metastases: a propensity score matching analysis
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Journal Article
Laparoscopic simultaneous resection of colorectal primary tumor and liver metastases: a propensity score matching analysis
2016
Overview
Background
Preliminary series have shown the feasibility of combined laparoscopic resection of colorectal cancer (CRC) and synchronous colorectal liver metastases (SCRLM). The aim of this study was to compare the short- and long-term outcomes for matched patients undergoing combined resections.
Methods
An international multicenter database of 142 patients that underwent combined laparoscopic resection of CRC and SCRLM between 1997 and 2013 was compared to a database of 241 patients treated by open during the same period. Comparison of short- and long-term outcomes was performed after propensity score adjustment.
Results
After matching, 89 patients were compared in each group including mostly ASA I–II patients, presenting with mean number of 1.5 CRLM, with a mean diameter of 30 mm, and resectable by a wedge resection or a left lateral sectionectomy. A rectal resection was required in 46 and 43 % of laparoscopic and open procedures, respectively (
p
= 0.65). There was no difference in global operative time, blood loss and transfusion rates between the two groups. A conversion was required in 7 % of the laparoscopic procedures. Morbidity rates were similar in the two groups (
p
= 1.0). The 3-year overall survival in the laparoscopy and open groups were 78 and 65 %, respectively (
p
= 0.17).
Conclusions
In patients without severe comorbidities presenting with one, small (≤3 cm), CRLM resectable by a wedge resection or a left lateral sectionectomy, combined laparoscopic resection of CRC and SCRLM allowed similar short- and long-term outcomes compared with the open approach.
