The goal of this review was to compare long-term oncologic outcomes of robotic versus laparoscopic resection of colorectal cancer. A literature search was performed using PubMed, EMBASE, Cochrane, and Medline (2002-2014). Search terms: laparoscopic, robotic, rectal, colon, surgery, oncologic, and outcomes. Studies comparing overall and disease free survival of robotic versus laparoscopic surgery for colorectal cancer were included. Meta-analysis was performed using OpenMeta[Analyst] for Windows 8. Five studies were identified reporting on overall survival, disease free survival, lymph node extraction, and distal and circumferential resection margin. Three hundred and seventeen patients underwent robotic resection and 368 underwent laparoscopic resection, with similar demographics. Operative times were longer with robotic resections, with no difference in estimated blood loss (EBL) or length of stay. The disease stage was distributed similarly in both groups. Similar numbers underwent neo-adjuvant therapy. Laparoscopic resection was associated with 3.2 mm larger distal resection margins (p = 0.04) and 2.2 more lymph nodes removed (p = 0.001), but with equivalent circumferential resection margin status. Disease-free and overall survival was equivalent. Robotic and laparoscopic surgery for colorectal cancer offer comparable overall and disease free survival. Laparoscopic surgery offered a slight advantage in operative time, distal margin, and lymph node yield. Larger, prospective trials are needed to confirm the equivalence of these approaches.
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| http://dx.doi.org/10.1007/s12262-015-1375-8 | DOI Listing |
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