Feasibility of transanal minimally invasive surgery for mid-rectal lesions
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Transanal minimally invasive surgery (TAMIS) has emerged as an alternative to transanal endoscopic microsurgery. We assessed the feasibility of TAMIS for lesions located in the mid rectum.
From July 2010 to October 2011, 16 consecutive patients with rectal pathology underwent TAMIS. After a single-incision laparoscopic surgery port was introduced into the anal canal, pneumorectum was established with a laparoscopic device, followed by transanal excision with conventional laparoscopic instruments, including graspers, monopolar electrocautery, and needle drivers. Clinicopathological findings, surgical procedure results, and perioperative outcomes were determined prospectively.
Of the 16 patients, 11 had rectal cancers (3 T1 lesions and 8 after preoperative chemoradiotherapy), 4 had neuroendocrine tumors, and 1 had a mucocele. The median length of the lesions from anal verge was 7.5 cm (range 4–10 cm). All procedures were completed laparoscopically without conversion to conventional transanal approach. The median operating time was 86 min (range 33–160 min), and the median estimated blood loss was 15 ml (range 0–150 ml) with no patient requiring intraoperative transfusions. There was no surgical morbidity or mortality, but one patient died during follow-up due to synchronous advanced gastric cancer. The median postoperative hospital stay was 3 days (range 2–6 days).
TAMIS seems to be a feasible and safe treatment option for lesions located in the mid rectum.
KeywordsTAMIS SILS port Transanal excision
The authors thank all anesthesiologists and surgery nurses for their assistance and patience in the development and execution of this surgical technique.
Authors Lim SB, Seo SI, Lee JL, Kwak JY, Jang TY, Kim CW, Yoon YS, Yu CS, and Kim JC have no conflicts of interest or financial ties to disclose.
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