The impact of laparoscopic versus open colorectal cancer surgery on subsequent laparoscopic resection of liver metastases: a multicenter study

Di Fabio, Francesco, Barkhatov, Leonid, Bonadio, Italo, Dimovska, Eleonora, Fretland, Åsmund A, Pearce, Neil W, Troisi, Roberto I, Edwin, Bjørn and Abu Hilal, Mohammed (2015) The impact of laparoscopic versus open colorectal cancer surgery on subsequent laparoscopic resection of liver metastases: a multicenter study. Surgery, 157 (6), 1046-1054. (doi:10.1016/j.surg.2015.01.007). (PMID:25835216)

Abstract

Background

Laparoscopic liver surgery is expanding. Most laparoscopic liver resections for colorectal carcinoma metastases are performed subsequent to the resection of the colorectal primary, raising concerns about the feasibility and safety of advanced laparoscopic liver surgery in the context of an abdomen with possible postoperative adhesions. The aim was to compare the outcome of laparoscopic hepatectomy for colorectal metastases after open versus laparoscopic colorectal surgery.

Methods

This observational, multicenter study reviewed 394 patients undergoing laparoscopic minor and major liver resection for colorectal carcinoma metastases. Main outcome measures were intraoperative unfavorable incidents and short-term results in patients who had previous open versus laparoscopic colorectal cancer surgery.

Results

Three hundred six patients (78%) had prior open and 88 (22%) had prior laparoscopic colorectal resection. Laparoscopic major hepatectomies were undertaken in 63 (16%). Intraoperative unfavorable incidents during laparoscopic liver surgery were significantly higher among patients who had prior open colorectal surgery (26%) compared with the laparoscopic group (14%; P = .017). Positive resection margins and postoperative complications were not associated with the approach adopted for the resection of the primary cancer. On multivariate logistic regression analysis, intraoperative unfavorable incidents were associated significantly only with prior open colorectal surgery (odds ratio, 2.8; P = .006) and laparoscopic major hepatectomy (odds ratio, 2.4; P = .009).

Conclusion

Laparoscopic minor hepatectomy can be performed safely in patients who have undergone previous open colorectal surgery. Laparoscopic major hepatectomy after open colorectal surgery may be challenging. Careful risk assessment in the decision-making process is required not to compromise patient safety and to guarantee the expected benefits from the minimally invasive approach.

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