• 1. Department of Gastrointestinal Surgery, West China Hospital of Sichuan University, Chengdu 610041, P. R. China;
  • 2. West China School of Medicine, Sichuan University, Chengdu 610041, P. R. China;
LI Li, Email: drlili116@126.com
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Objective To analyze the risks and complications after operation of colorectal cancer in the current version of Database from Colorectal Cancer (DACCA).Methods The DACCA version selected for this data analysis was the updated version on July 28th, 2020. The data items included surgery reaction, body temperature, flatus, pain and mental status; preoperative complication, postoperative complication, short-term and long-term complication. The selected data items were statistically analyzed.Results The total number of medical records (data rows) that met the criteria was 6 422, including 4 185 (65.2%) valid data on surgery reaction, 3 833 (59.7%) valid data on body temperature, 3 835 (59.7%) valid data on flatus, 3 597 (56.0%) valid data on pain, 3 551 (55.3%) valid data on mental status, 6 422 (100%) valid data on preoperative complications, postoperative complications, short-term complications and long-term complications. In the surgical response, 1 517 (36.2%) lines of data showed “normal” structure were the most. Among the days with elevated body temperature, the number of 0-day data lines with the structure of “body temperature >37.5 ℃” was the highest, with 1 980 (51.7%). In postoperative flatus, there were 1 675 (43.7%) data lines with the structure showing “3 days”. The largest number of rows (2 755, 76.6%) showed a structure that was “not obvious” in the pain scale. The mental status showed the highest number of “better” rows (2 976, 83.8%). There were 50 preoperative complications (0.8%). And 595 postoperative complications (9.3%), including anastomotic leakage (80, 13.4%), inflammatory ileus (62, 10.4%), pulmonary infection (57, 9.6%), and anastomotic bleeding (56, 9.4%), etc. There were 6 169 (96.1%) without short-term complication in structural form. There were 6 283 (97.8%) without long-term complications.Conclusions The changes in complications shown in the real world data from DACCA suggest that the focus of postoperative risks must be changed with the over the follow-up time. As for the complication evaluation system, it is necessary to establish a complete evaluation system combining the corresponding types and risks, to carry out valuable complication researches.

Citation: WANG Xiaodong, MENG Xinyu, LIU Jianbo, LI Li. Database research part : postoperative risks and complications of colorectal cancer. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2021, 28(3): 369-375. doi: 10.7507/1007-9424.202101025 Copy

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