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. 2015 Jul 24;10(7):e0134058.
doi: 10.1371/journal.pone.0134058. eCollection 2015.

Impact of Prior Abdominal Surgery on Rates of Conversion to Open Surgery and Short-Term Outcomes after Laparoscopic Surgery for Colorectal Cancer

Ik Yong Kim  1 , Bo Ra Kim  2 , Young Wan Kim  1
Affiliations

Impact of Prior Abdominal Surgery on Rates of Conversion to Open Surgery and Short-Term Outcomes after Laparoscopic Surgery for Colorectal Cancer

Ik Yong Kim et al. PLoS One. .

Abstract

Purpose: To evaluate the impact of prior abdominal surgery (PAS) on rates of conversion to open surgery and short-term outcomes after laparoscopic surgery for colon and rectal cancers.

Methods: We compared three groups as follows: colon cancer patients with no PAS (n = 272), major PAS (n = 24), and minor PAS (n = 33), and rectal cancer patients with no PAS (n = 282), major PAS (n=16), and minor PAS (n = 26).

Results: In patients with colon and rectal cancers, the rate of conversion to open surgery was significantly higher in the major PAS group (25% and 25%) compared with the no PAS group (8.1% and 8.9%), while the conversion rate was similar between the no PAS and minor PAS groups (15.2% and 15.4%). The 30-day complication rate did not differ among the three groups (28.7% and 29.1% in the no PAS group, 29.2% and 25% in the major PAS group, and 27.3% and 26.9% in the minor PAS group). The mean operative time did not differ among the three groups (188 min and 227 min in the no PAS group, 191 min and 210 min in the major PAS group, and 192 min and 248 min in the minor PAS group). The rate of conversion to open surgery was significantly higher in patients with prior gastrectomy or colectomy compared with the no PAS group, while the conversion rate was similar between the no PAS group and patients with prior radical hysterectomy in patients with colon and rectal cancers.

Conclusions: Our results suggest that colorectal cancer patients with minor PAS or patients with prior radical hysterectomy can be effectively managed with a laparoscopic approach. In addition, laparoscopy can be selected as the primary surgical approach even in patients with major PAS (prior gastrectomy or colectomy) given the assumption of a higher conversion rate.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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