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Debulking hepatectomy for colorectal liver metastasis: Analysis of risk factors for progression free survival.
Surgical Oncology 2024 March 13
BACKGROUND: The study explores the role of liver debulking surgery in cases of unresectable colorectal liver metastases (CRLM), challenging the traditional notion that surgery is not a valid option in such scenarios.
MATERIALS AND METHODS: Patients with advanced but resectable disease who underwent surgery with a curative intent (Group I) and those with advanced incompletely resectable disease who underwent a "debulking" hepatectomy (Group II) were compared.
RESULTS: There was no difference in the intra-operative and post-operative results between the two groups. The 3-year and 5-year OS rates were 69% and 47% for group 1 vs 64% and 35% for group 2 respectively (p = 0.14). The 3-year and 5-year PFS rates were 32% and 21% for group 1 vs 12% and 8% for group 2 respectively (p = 0.009). Independent predictors of PFS in the debulking group were bilobar metastases (HR = 2.70; p = 0.02); the presence of extrahepatic metastasis (HR = 2.65, p = 0.03) and the presence of more than 9 metastases (HR = 2.37; p = 0.04). Iterative liver surgery for CRLM was a significant protective factor (HR = 0.34, p = 0.04).
CONCLUSION: An aggressive palliative surgical approach may offer a survival benefit for selected patients with unresectable CRLM, without increasing the morbidity. The decision for surgery should be made on a case-by-case basis.
MATERIALS AND METHODS: Patients with advanced but resectable disease who underwent surgery with a curative intent (Group I) and those with advanced incompletely resectable disease who underwent a "debulking" hepatectomy (Group II) were compared.
RESULTS: There was no difference in the intra-operative and post-operative results between the two groups. The 3-year and 5-year OS rates were 69% and 47% for group 1 vs 64% and 35% for group 2 respectively (p = 0.14). The 3-year and 5-year PFS rates were 32% and 21% for group 1 vs 12% and 8% for group 2 respectively (p = 0.009). Independent predictors of PFS in the debulking group were bilobar metastases (HR = 2.70; p = 0.02); the presence of extrahepatic metastasis (HR = 2.65, p = 0.03) and the presence of more than 9 metastases (HR = 2.37; p = 0.04). Iterative liver surgery for CRLM was a significant protective factor (HR = 0.34, p = 0.04).
CONCLUSION: An aggressive palliative surgical approach may offer a survival benefit for selected patients with unresectable CRLM, without increasing the morbidity. The decision for surgery should be made on a case-by-case basis.
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