{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T20:25:18Z","timestamp":1793823918786,"version":"4.6.1"},"reference-count":26,"publisher":"Baishideng Publishing Group Inc.","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World J Gastrointest Surg"],"abstract":"<jats:p>BACKGROUND<\/jats:p>\n          <jats:p>Prior studies have shown that preserving the left colic artery (LCA) during laparoscopic radical resection for rectal cancer (RC) can reduce the occurrence of anastomotic leakage (AL), without compromising oncological outcomes. However, anatomical variations in the branches of the inferior mesenteric artery (IMA) and LCA present significant surgical challenges. In this study, we present our novel three dimensional (3D) printed IMA model designed to facilitate preoperative rehearsal and intraoperative navigation to analyze its impact on surgical safety.<\/jats:p>\n          <jats:p>AIM<\/jats:p>\n          <jats:p>To investigate the effect of 3D IMA models on preserving the LCA during RC surgery.<\/jats:p>\n          <jats:p>METHODS<\/jats:p>\n          <jats:p>We retrospectively collected clinical dates from patients with RC who underwent laparoscopic radical resection from January 2022 to May 2024 at Fuyang People\u2019s Hospital. Patients were divided into the 3D printing and control groups for statistical analysis of perioperative characteristics.<\/jats:p>\n          <jats:p>RESULTS<\/jats:p>\n          <jats:p>The 3D printing observation group comprised of 72 patients, while the control group comprised 68 patients. The operation time (174.5 \u00b1 38.2 minutes vs  198.5 \u00b1 49.6 minutes, P  = 0.002), intraoperative blood loss (43.9 \u00b1 31.3 mL vs  58.2 \u00b1 30.8 mL, P  = 0.005), duration of hospitalization (13.1 \u00b1 3.1 days vs  15.9 \u00b1 5.6 days, P  &lt; 0.001), postoperative recovery time (8.6 \u00b1 2.6 days vs  10.5 \u00b1 4.9 days, P  = 0.007), and the postoperative complication rate (P  &lt; 0.05) were all significantly lower in the observation group.<\/jats:p>\n          <jats:p>CONCLUSION<\/jats:p>\n          <jats:p>Utilization of a 3D-printed IMA model in laparoscopic radical resection of RC can assist surgeons in understanding the LCA anatomy preoperatively, thereby reducing intraoperative bleeding and shortening operating time, demonstrating better clinical application potential.<\/jats:p>","DOI":"10.4240\/wjgs.v16.i10.3104","type":"journal-article","created":{"date-parts":[[2024,9,27]],"date-time":"2024-09-27T02:25:04Z","timestamp":1727403904000},"page":"3104-3113","source":"Crossref","is-referenced-by-count":5,"title":["Three-dimensional printing for preoperative rehearsal and intraoperative navigation during laparoscopic rectal cancer surgery with left colic artery 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