Conversion to open from laparoscopic colon resection is a marker for worse oncologic outcomes in colon cancer

Leonardo de Castro Duraes, Scott R. Steele, Mariane Gouvêa Monteiro de Camargo, Emre Gorgun, Matthew F. Kalady, Michael Valente, Anuradha Bhama, Conor Patrick Delaney

Research output: Contribution to journalArticlepeer-review

Abstract

Background: This study aimed to evaluate the oncological outcomes of conversion in patients undergoing resection for colon cancer. Methods: Patients with stages I-III colon adenocarcinoma operated on between 2000 and 2012 were included. Oncologic outcomes were assessed by surgical approach (laparoscopy vs. open). A secondary analysis compared patients who required conversion to open vs. laparoscopic only. Results: We identified 1196 patients that met inclusion criteria (28% laparoscopic, 72% open). Overall, 13% of laparoscopic cases were converted to open. There were no differences in 5-year overall survival (OS) (p = 0.258), disease-free survival, (DFS) (p = 0.070), cancer-specific survival (CSS) (p = 0.207), or recurrence (p = 0.216) between laparoscopy and open surgery. However, patients with conversion had a worse OS (p = 0.010) and DFS (p = 0.006) when compared to laparoscopic only. Conclusion: Conversion from laparoscopic to open surgery is a marker for worse survival outcomes. Further investigation is needed to define the underlying cause of these differences.

Original languageEnglish (US)
Pages (from-to)491-495
Number of pages5
JournalAmerican journal of surgery
Volume217
Issue number3
DOIs
StatePublished - Mar 2019

ASJC Scopus subject areas

  • Surgery

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