SIMULTANEOUS AND STAGED RESECTIONS FOR SYNCHRONOUS COLORECTAL LIVER METASTASES: META-ANALYSIS
https://doi.org/10.33878/2073-7556-2017-0-3-6-21
Abstract
AIM. To analyze the short-term and long-term outcomes two alternative surgical strategies: 1) simultaneous resections for colorectal cancer and synchronous colorectal liver metastases;2) conventional surgery for the primary tumor during the initial operation. After time, the liver resection is performed at a second operation METHODS. Meta-analysis was performed to compare outcomes simultaneous resections for colorectal cancer and synchronous colorectal liver metastases and staged surgery. Tumor localization, spread and number of metastasis, extent of operation, blood loss, length of hospital stay, postop mortality, complication rates, overall survival rates were analyzed. RESULTS. Twenty-nine studies with 5518 patients were included in meta-analysis. Multiple (р=0,007) and bilobed (р=0,0004) metastasis were more often in patients in group ofstaged resections. Major hepatectomy was also performed more often in group of staged resections. There were no significant differences in blood loss and postopirative mortality rates (p>0,05). Complication rate in group of simultaneous resections was lower than in group of staged resections (0R=0,8, 95 %CI: 0,7-1.0, p=0,048). 3- and 5-year overall survival rates were similar in both groups: 54% vs 55 %, and 37% vs 38%, respectively (р=0,007). CONCLUSION. Simultaneous resection of the primary tumor and the minor liver resection or extended hepatectomy in selected patients didn’t adversely affect on complications and mortality rates in equivalent long-term survival compared to staged liver resection. An important limitation of the present study is the bias and heterogeneity in compared groups due to retrospective data over the 20-year period.
About the Authors
A. A. Ponomarenko
State Scientific Centre of Coloproctology
Russian Federation
Russian Federation
Yu. A. Shelygin
State Scientific Centre of Coloproctology
Russian Federation
Russian Federation
E. G. Rybakov
State Scientific Centre of Coloproctology
Russian Federation
Russian Federation
S. I. Achkasov
State Scientific Centre of Coloproctology
Russian Federation
Russian Federation
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For citations:
Ponomarenko A.A., Shelygin Yu.A., Rybakov E.G., Achkasov S.I. SIMULTANEOUS AND STAGED RESECTIONS FOR SYNCHRONOUS COLORECTAL LIVER METASTASES: META-ANALYSIS. Koloproktologia. 2017;(3):6-21. (In Russ.) https://doi.org/10.33878/2073-7556-2017-0-3-6-21
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