Tao Zhang1, Zijia Song1, Yaqi Zhang1, Xiaopin Ji1, Xiaoqian Jing1, Yi Shi2, Xi Cheng1, Ren Zhao1. 1. Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China. 2. Department of General Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
Abstract
BACKGROUND: Splenic flexure cancer (SFC) is a rare condition in colorectal cancer (CRC). The appropriate surgical treatment for SFC remains controversial. In recent years, we have used artery-guided segmental splenic flexure colectomy (ASFC) to treat SFC in which robotic access is gradually applied. The study sought to assess the clinical and oncologic outcomes of robotic-assisted ASFC compared to laparoscopic-assisted ASFC for SFC by undertaking a propensity score-matching analysis. METHODS: Seventy patients underwent a robotic-assisted ASFC (n=19) or laparoscopic-assisted ASFC (n=51) to treat SFC from Dec 2015 to Dec 2019. Their data were prospectively collected. The patients were matched at a ratio of 1:1 according to sex, age, body mass index (BMI), comorbidities, the American Society of Anesthesiologists (ASA) score (≤2 or >2), previous abdominal surgeries, and pathologic stage. RESULTS: No statistically significant differences were found between the robotic- and laparoscopic-assisted ASFC groups in relation to operation time, estimated blood loss, length of postoperative hospital stay, time to liquid diet, postoperative complications, tumor size, distal resection margins, histology, lymph node harvest, metastatic lymph nodes, and neuro-vascular invasion. Additionally, no case was converted to a laparotomy. There were no cases readmission or mortality within 30 days of surgery. The distal resection margins were longer in the robotic-assisted ASFC group than the laparoscopic-assisted ASFC group. The robotic-assisted ASFC group had significantly higher operation expenses than the laparoscopic-assisted ASFC group. However, there was no significant difference in the surgical material expenses between the two groups. There were 2 cases of complications in each group; both cases were classified as grade I or II under Dindo's classification of surgical complications. CONCLUSIONS: With the exception of operation expenses, robotic-assisted ASFC rivals laparoscopic-assisted ASFC in many respects. ASFC meets the recommended oncological criteria in terms of resection margins and lymph node harvest. We await the results for the long-term oncologic outcomes. 2021 Journal of Gastrointestinal Oncology. All rights reserved.
BACKGROUND: Splenic flexure cancer (SFC) is a rare condition in colorectal cancer (CRC). The appropriate surgical treatment for SFC remains controversial. In recent years, we have used artery-guided segmental splenic flexure colectomy (ASFC) to treat SFC in which robotic access is gradually applied. The study sought to assess the clinical and oncologic outcomes of robotic-assisted ASFC compared to laparoscopic-assisted ASFC for SFC by undertaking a propensity score-matching analysis. METHODS: Seventy patients underwent a robotic-assisted ASFC (n=19) or laparoscopic-assisted ASFC (n=51) to treat SFC from Dec 2015 to Dec 2019. Their data were prospectively collected. The patients were matched at a ratio of 1:1 according to sex, age, body mass index (BMI), comorbidities, the American Society of Anesthesiologists (ASA) score (≤2 or >2), previous abdominal surgeries, and pathologic stage. RESULTS: No statistically significant differences were found between the robotic- and laparoscopic-assisted ASFC groups in relation to operation time, estimated blood loss, length of postoperative hospital stay, time to liquid diet, postoperative complications, tumor size, distal resection margins, histology, lymph node harvest, metastatic lymph nodes, and neuro-vascular invasion. Additionally, no case was converted to a laparotomy. There were no cases readmission or mortality within 30 days of surgery. The distal resection margins were longer in the robotic-assisted ASFC group than the laparoscopic-assisted ASFC group. The robotic-assisted ASFC group had significantly higher operation expenses than the laparoscopic-assisted ASFC group. However, there was no significant difference in the surgical material expenses between the two groups. There were 2 cases of complications in each group; both cases were classified as grade I or II under Dindo's classification of surgical complications. CONCLUSIONS: With the exception of operation expenses, robotic-assisted ASFC rivals laparoscopic-assisted ASFC in many respects. ASFC meets the recommended oncological criteria in terms of resection margins and lymph node harvest. We await the results for the long-term oncologic outcomes. 2021 Journal of Gastrointestinal Oncology. All rights reserved.
Entities:
Keywords:
Splenic flexure cancer (SFC); artery-guided segmental splenic flexure colectomy; laparoscopic surgery; robotic-assisted surgery
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