Long-term oncologic outcome of robotic versus open total thyroidectomy in PTC: a case-matched retrospective study

  • Seul Gi Lee
  • , Jandee Lee
  • , Min Jhi Kim
  • , Jung Bum Choi
  • , Tae Hyung Kim
  • , Eun Jeong Ban
  • , Cho Rok Lee
  • , Sang Wook Kang
  • , Jong Ju Jeong
  • , Kee Hyun Nam
  • , Young Suk Jo
  • , Woong Youn Chung

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

Purpose: The role of the robot in thyroid surgery remains uncertain, and it is unclear whether robotic total thyroidectomy (R-TT) can be justified as a standard treatment for patients with thyroid cancer. This study compared the long-term operative results and oncologic outcomes of R-TT and conventional open TT (O-TT) after propensity score matching of the cohorts. Methods: This study retrospectively evaluated patients with papillary thyroid cancer (PTC) who underwent TT with central compartment node dissection (CCND) by a single surgeon in tertiary medical center. Of the 833 patients, 94 (11.3 %) were lost to follow-up. 245 (33.2 %) underwent R-TT, and 494 (66.8 %) underwent O-TT. The mean follow-up duration was 74 (range 61–91) months. Propensity score matching in age, gender, tumor size, extrathyroidal invasion, multiplicity, bilaterality, and TNM stage identified 206 pairs of patients. The long-term oncologic outcomes were assessed in the R-TT and O-TT groups before and after adjustment for baseline covariates. Results: After adjustment for baseline covariates, serum thyroglobulin (Tg) (p = 0.746) and anti-thyroglobulin antibody (TgAb) (p = 0.394) concentrations were similar in the two groups 5 years after surgery. Nine patients experienced locoregional recurrence, six in the O-TT and three in the R-TT group, with all recurrences in regional LNs. Disease-free survival (DFS) was similar in the R-TT and O-TT groups before matching (p = 0.890) and after adjustment for baseline covariates (p = 0.882). Conclusion: This represents the first report of 5-year surgical outcomes in patients who underwent R-TT for thyroid cancer. Long-term oncologic quality was similar after R-TT and O-TT.

Original languageEnglish
Pages (from-to)3474-3479
Number of pages6
JournalSurgical Endoscopy and Other Interventional Techniques
Volume30
Issue number8
DOIs
StatePublished - 1 Aug 2016

Keywords

  • Case-matched study
  • Disease-free survival
  • Long-term oncologic outcome
  • Papillary thyroid cancer
  • Robotic thyroidectomy

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