• 1. Department of Gastrointestinal Surgery, West China Hospital, 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 characteristics of colorectal cancer surgery 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 16th, 2020. The data items included operative duration, anatomy (anatomical difficulty), pelvis (pelvic stenosis), obesity (abdominal obesity), adhesion (adhesion in surgical area), mesentery (abnormal mesenteric status), hypertrophy (tissue hypertrophy or organ hypertrophy), intestinal quality, death (risk of death), injury (risk of tissue injury), recurrence (tumor recurrence), metastasis (tumor metastasis), anastomotic leakage (risk of anastomotic leakage), difficulty of operation, prognosis, quality of operation. The selected data items were statistically analyzed.Results Thetotal number of medical records (data rows) that met the criteria was 6 116. Spearman correlation text showed a negative correlation between operative duration and years (rs=–0.433, P<0.001). In anatomy, pelvis, obesity, adhesion, mesentery, and hypertrophy, the most cases were “normal or basically normal”, and the percentages were 32.55%, 44.52%, 48.68%, 55.79%, 53.36%, and 57.72%, respectively. In quality of intestinal, the highest proportion was “bad” (43.25%). In risk of death, risk of tissue injury, and tumor recurrence, the most cases were “very small”, and the percentages were 69.00%, 94.41%, and 68.21%, respectively. In tumor metastasis, risk of anastomotic leakage, difficulty of operation, prognosis, and quality of operation, the highest proportion were “small” (48.58%), “average” (49.25%), “average” (32.96%), “uncertain” (45.65%), and “very good” (39.85%).Conclusions In the DACCA, the intestinal quality is characteristic of difficulty in operation, and in the evaluation of operation quality, the judgment of anastomotic leakage deserves much more attention. However, the relationship between the difficulty of operation and postoperative effects, and the relationship between the quality of operation and the prognosis still need to be further studied.

Citation: WANG Xiaodong, LÜ Xinyi, LIU Jianbo, LI Li. Database research part : characteristics of colorectal cancer surgery (Ⅱ). CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2020, 27(11): 1418-1425. doi: 10.7507/1007-9424.202009095 Copy

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