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Margin Status is Still an Important Prognostic Factor in Hepatectomies for Colorectal Liver Metastases: A Propensity Score Matching Analysis

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Abstract

Objective

The width of resection margin is still a matter of debate in case of colorectal liver metastasis resection. The aim of this study was to determine the risk factors for R1 resection. Once risk factors had been identified, patients were matched according to Fong’s prognostic criteria, in order to evaluate whether R1 resection still remained a negative prognostic factor impacting overall and disease-free survival.

Methods

A total of 1784 hepatectomies were analyzed from a multicentric retrospective cohort of hepatectomies. Patients were compared before and after a 1:1 propensity score analysis in order to compare R0 versus R1 resections according to Fong criteria.

Results

Primary tumor nodes found positive after colorectal resection (RR = 1.20, p = 0.02), operative time (> 240 min) (RR = 1.26, p = 0.05), synchronous liver metastasis (RR = 1.27, p = 0.02), pedicle clamping (> 40 min) (RR = 1.52, p = 0.001), lesion size larger than 50 mm (RR = 1.54, p = 0.001), rehepatectomy (RR = 1.68, p = 0.001), more than 3 lesions (RR = 1.69, p = 0.0001), and bilateral lesions (RR = 1.74, p = 0.0001) were identified as risk factors in multivariate analysis. After a 1:1 PSM according to Fong criteria, R1 resection still remained a negative prognostic factor impacting overall and disease-free survival, with 1-, 3-, 5-year OS at 94, 81, and 70% in R0 and 92, 75, and 58% in R1, respectively, (p = 0.008), and disease-free survival (DFS) with 1-, 3-, 5-year survival at 64, 41, and 28% in R0 versus 51, 28, and 18% in R1 (p = 0.0002), respectively.

Conclusion

Even after using PSM as an oncological prognostic criterion, R1 resection still impacts overall and disease-free survival negatively.

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Abbreviations

AFC:

Association Française de Chirurgie

ASA:

American Society of Anesthesiologists

BMI:

Body mass index

CEA:

Carcinoembryonic antigen

CRC:

Colorectal cancer

CRLM:

Colorectal liver metastases

DFI:

Disease-free interval

DFS:

Disease-free survival

OS:

Overall survival

PSM:

Propensity score matching

RR:

Relative risk

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Acknowledgements

The authors would like to thank all participating centers for their contribution to this study.

Author contributions

Amiens, CHU Amiens Picardie: Cyril Cosse, Delphine Lignier, Jean Marc Regimbeau; Angers, CHU Angers: Julien Barbieux, Emilie Lermite, Antoine Hamy; Beauvais, CH Beauvais: François Mauvais; Bordeaux, Groupe Hospitalier Saint André: Christophe Laurent; Chambery, CH Chambery: Irchid Al Naasan; Créteil, CHU Henri Mondor: Alexis Laurent, Daniel Azoulay, Philippe Compagnon, Nicola de’Angelis; Eaubonne, Hôpital Simone Veil: Mohammed Sbai Idrissi; Epinal, Polyclinique de la Ligne Bleue: Fréderic Martin; Gap, CH des Alpes du Sud: Jerôme Atger; Lyon, Hôpital de la Croix Rousse: Jacques Baulieux, Benjamin Darnis, Jean Yves; Mabrut; Lyon, Hôpital Edouart-Herriot: Vahan Kepenekian, Julie Perinel, Mustapha Adham; Lyon, CH Lyon Sud: Olivier Glehen; Lyon, Centre Léon Bérard: Michel Rivoire; Marseille, Hôpital de la Conception: Jean Hardwigsen, Anais Palen, Emilie Grégoire, Yves Patrice LeTreut; Marseille, Institut Paoli-Calmettes: Jean Robert Delpero, Olivier Turrini; Montpellier, Hôpital Saint Eloi: Astrid Herrero, Francis Navarro, Fabrizio Panaro; Nancy, CHU Brabois: Ahmet Ayav, Laurent Bresler; Nancy, Institut de Cancérologie de Lorraine Alexis-Vautrin: Philippe Rauch, François; Guillemin, Fréderic Marchal; Nice, Hôpital de l’Archet: Jean Gugenheim, Antonio Iannelli; Kremlin Bicêtre, CHU Kremlin Bicêtre: Stephane Benoist, Antoine Brouquet; Paris, Hôpital Lariboisière: Marc Pocard, Réa Lo Dico; Paris, Institut Mutualiste Montsouris: Brice Gayet, David Fuks; Paris, Hôpital Saint Antoine: Olivier. Scatton, Olivier Soubrane; Paris, Hôpital de la Pitié Salpetrière: Jean-Christophe Vaillant; Reims, Hôpital Robert Debré: Tullio Piardi, Daniel Sommacale, Reza Kianmanesh; La Roche-sur-Yon, Centre départemental de Vendée: Michel Comy; Strasbourg, Hôpital Hautepierre: Philippe Bachellier, Elie Oussoultzoglou, Pietro Addeo; Strasbourg, Nouvel Hôpital Civil: Dimitrios Ntourakis, Patrick Pessaux, Didier Mutter, Jacques Marescaux; Toulouse, Hôpital Rangueil: Loïc Raoux, Bertrand Suc, Fabrice Muscari; Troyes, Hôpital des Hauts-Clos: Georges ELHOMSY; Villejuif, Hôpital Paul Brousse: Maximiliano Gelli, Antonio Sa Cunha, René Adam, Denis Castaing, Daniel Cherqui; Gabriella Pittau, Oriana Ciacio, Eric Vibert; Villejuif, Gustave Roussy: Dominique Elias, Diane Goére, Fabrizio Vittadello.

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Correspondence to Patrick Pessaux.

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All authors declare that they have no conflict of interest.

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Collaborators of the French Surgical Association (Association Française de Chirurgie) Working Group are listed in acknowledgements.

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Memeo, R., de Blasi, V., Adam, R. et al. Margin Status is Still an Important Prognostic Factor in Hepatectomies for Colorectal Liver Metastases: A Propensity Score Matching Analysis. World J Surg 42, 892–901 (2018). https://doi.org/10.1007/s00268-017-4229-7

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