• Mitsuyoshi Tei, Masataka Ikeda, Naotsugu Haraguchi, Ichiro Takemasa, Tsunekazu Mizushima, Hideshi Ishii, Hirofumi Yamamoto, Mitsugu Sekimoto, Yuichiro Doki, and Masaki Mori.
• Department of Surgery, Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan.
• Surg Laparosc Endosc Percutan Tech. 2009 Dec 1;19(6):488-92.

BackgroundSurgery is associated with higher morbidity and mortality rates in elderly patients with colorectal cancer compared with younger patients. The aim of this study was to examine preoperative evaluation for selecting operative procedure in elderly patients with colorectal cancer.MethodsThe study of all patients who underwent open surgery (OS) or laparoscopically assisted surgery (LAS) for colorectal cancer from January 2004 to December 2007 were aged > or =71 years. Preoperative evaluation, operative factors, morbidity, and mortality were analyzed by the Physiological and Operative Severity Score for Enumeration of Mortality and Morbidity (POSSUM) and Prognostic Nutritional Index (PNI).ResultsA total of 129 patients were included in this study. Fifty-one patients underwent OS, and LAS was performed on 78 patients. The morbidity rate was 51.3% (40 patients) for the OS group and 23.5% (12 patients) for the LAS group. Three LAS patients (5.9%) subsequently required OS. One LAS patient died postoperatively. There were significant differences in the Operative Severity Score (OSS) in POSSUM and PNI, but not Physiologic Score (PS) in POSSUM, between the two groups. In the OS group, there were significant differences in PS, OSS, and PNI between those with or without complications, whereas in the LAS group, OSS, but not PS or PNI, was significantly lower in those without than in those with complications.ConclusionsCompared with OS, LAS is associated with a lower incidence of complications in elderly patients with colorectal cancer. The nutritional status correlated with postoperative complications in the OS group.

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