Outcomes of a Single Surgeon-Based Transanal-Total Mesorectal Excision (TATME) for Rectal Cancer


                <p>Several studies have shown the transanal total mesorectal excision (TATME) is emerging as a safe and effective technique for proctectomy. The majority of these studies to date, however, is based on procedures done in centers with teams of two surgeons working simultaneously. Few were performed by single-surgeon teams with sizeable case load. The objective of our study was to identify the feasibility and safety of a single-surgeon TATME.</p> 

                <p>Chart review of prospectively collected data on 27 patients who underwent TATME at our institution from June 2015 to September 2016 were included in this study. Indications for TATME included mid and low rectal cancers. Only patients who underwent surgery for neoplastic lesions were included in the study. Outcomes assessed included mesorectal integrity, margin status, operative time, complications, morbidity, LOS, and 30-day readmission.</p> 

                <p>A total of 27 cases were available for inclusion. A single surgeon performed all procedures. The average BMI was 27.2 ± 1.3 kg/m<sup>2</sup>. The average tumor distance from anal verge was 6.8 ± 0.6 cm. The median operative time was 283 min. No intraoperative complications, including injuries and conversions, occurred. Circumferential resection margin (CRM) and distal resection margin (DRM) were R0 in 96 and 100% of patients, respectively. Mesorectal integrity was “Complete” in 67% and “Near complete” in 33% of patients. There were no incomplete specimens. The total lymph node (LN) harvest was 26 ± 2. The average LOS was 4 days for 75% of all patients. There were no mortalities. The overall morbidity was 33% (9/27). There were 4/27 anastomotic leaks, one required a laparoscopic ileostomy, one had laparoscopic drainage of an abscess, and the other two were endoscopically washed and trans-rectal drains inserted.</p> 

                <p>TATME performed by a one-surgeon team is oncologically adequate, and it is safe and feasible. Morbidities are comparable with existing literature data from two-surgeon teams. In addition, resection margins, mesorectal integrity, and LN harvests are also comparable or superior to some of the existing studies.</p> 
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