Comparison of robot-assisted modified radical neck dissection using a bilateral axillary breast approach with a conventional open procedure after propensity score matching
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There is ongoing debate about whether or not robot-assisted thyroidectomy is appropriate for modified radical neck dissection (MRND). The purpose of this study was to compare the surgical outcomes of robot-assisted MRND with those of a conventional open procedure.
One hundred and forty-five patients who underwent total thyroidectomy, bilateral central neck dissection, and MRND (robotic, n = 28; open, n = 117) at our institution from June 2011 to June 2015 were enrolled in the study. The surgical completeness and complication rates in the robotic and open groups were retrospectively compared after 1:3 propensity score matching for age, sex, body mass index, tumor size, and extrathyroidal extension.
The complication rates, including transient or permanent hypoparathyroidism and recurrent laryngeal nerve palsy, were comparable between the study groups (p > 0.05). The operating time was significantly longer in the robotic group than in the open group (p < 0.001). There was no significant difference in the number of retrieved lymph nodes, metastatic lymph nodes, or stimulated serum thyroglobulin level between the two groups (p = 0.733, p = 0.663, and p = 0.285, respectively).
The surgical outcomes, including complication and completeness rates, were comparable between robot-assisted MRND using a bilateral axillary breast approach and conventional open surgery. Robot-assisted MRND can be recommended as an alternative to a conventional open procedure for thyroidectomy.
KeywordsBilateral axillary breast approach da Vinci robot Modified radical neck dissection Propensity score matching Thyroidectomy
Compliance with ethical standards
Drs. Se Hyun Paek, Hye Ah Lee, Hyungju Kwon, Kyung Ho Kang, and Sung Jun Park have no conflicts of interest or financial ties to disclose.
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