Transanal endoscopic microsurgery and transanal minimally invasive surgery: is one technique superior?

Alyson A. Melin, Sudhir Kalaskar, Lindsay Taylor, Jon S. Thompson, Charles Ternent, Sean J. Langenfeld

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Background Transanal endoscopic microsurgery (TEM) and transanal minimally invasive surgery (TAMIS) have been shown to improve the quality of transanal resections, allowing for improved visibility and access to the proximal rectum. This study compares the short-term outcomes between TEM and TAMIS among experienced colorectal surgeons. Method A retrospective review was conducted for TEM and TAMIS performed from 2012 to 2015 by local colorectal surgeons. Baseline patient demographics, operative variables, pathology results, and short-term outcomes were assessed. Results Sixty-nine patients were identified (40 TEM and 29 TAMIS). Patient demographics, tumor characteristics, operative variables, margin status, and postoperative complications were similar for both. Volume of resection was higher for TAMIS (P <.001). Lymph node retrieval was achieved in 17.2% of TAMIS cases compared with 0% of TEM (P =.01). Conclusions TAMIS appears to have equivalent indications and outcomes compared with TEM. TAMIS is associated with larger specimens and more frequent presence of mesorectal lymph nodes.

Original languageEnglish (US)
Pages (from-to)1063-1067
Number of pages5
JournalAmerican journal of surgery
Volume212
Issue number6
DOIs
StatePublished - Dec 1 2016

Keywords

  • Rectal cancer
  • Transanal endoscopic microsurgery
  • Transanal minimally invasive surgery

ASJC Scopus subject areas

  • Surgery

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