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01.04.2014 | Hepatobiliary Tumors | Ausgabe 4/2014

Annals of Surgical Oncology 4/2014

Early Recurrence After Liver Resection for Colorectal Metastases: Risk Factors, Prognosis, and Treatment. A LiverMetSurvey-Based Study of 6,025 Patients

Zeitschrift:
Annals of Surgical Oncology > Ausgabe 4/2014
Autoren:
MD Luca Viganò, MD Lorenzo Capussotti, MD, FCRSC Réal Lapointe, MD Eduardo Barroso, MD Catherine Hubert, MD Felice Giuliante, MD, PhD Jan N. M. Ijzermans, MD, FRCS Darius F. Mirza, MD, PhD Dominique Elias, MD, PhD René Adam

Abstract

Purpose

The aims of this study were to assess the risk of early recurrence after liver resection for colorectal metastases (CRLM) and its prognostic value; identify early recurrence predictive factors; clarify the effect of perioperative chemotherapy on its occurrence; and elucidate the best early recurrence management.

Methods

Patients of the LiverMetSurvey registry who underwent complete liver resection (R0/R1) between 1998 and 2009 were reviewed. Early recurrence was defined as any recurrence that occurred within 6 months after resection.

Results

A total of 6,025 patients were included; 2,734 (45.4 %) had recurrence, including 639 (10.6 %) early recurrences. Early recurrence was mainly hepatic (59.5 vs. 54.4 % for late recurrences; p = 0.023). Independent risk factors of early recurrence were: T3–4 primary tumor (p = 0.0002); synchronous CRLM (p = 0.0001); >3 CRLM (p < 0.0001); 0-mm margin liver resection (p = 0.003); and associated intraoperative radiofrequency ablation (p = 0.0005). Response to preoperative chemotherapy (complete/partial) and administration of adjuvant chemotherapy reduced early recurrence risk (p = 0.003 and p < 0.0001, respectively). Intraoperative ultrasonography reduced hepatic early recurrence rate (p = 0.025). Early recurrence negatively affected prognosis: 5-year survival 26.9 versus 49.4 % for the late recurrence group (p < 0.0001, median follow-up 34.4 months). Overall, 234 (36.6 %) patients with early recurrence underwent re-resection. These patients had survival rates higher than non-re-resected patients (5-year survival 47.2 vs. 8.9 %; p < 0.0001) and similar to re-resected patients for late recurrence (48.7 %). Chemotherapy before early recurrence resection improved later survival (5-year survival 61.5 vs. 43.7 %; p = 0.028).

Conclusions

Early recurrence risk is enhanced for extensive disease after poor preoperative disease control and inadequate surgical treatment, but is reduced after adjuvant chemotherapy. Although early recurrence negatively affects prognosis, re-resection may restore better survival. Chemotherapy before early recurrence resection is advocated.

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