Abstract
Background
This study aimed to investigate the time trends of surgical outcomes in patients who underwent bilateral axillo-breast approach robotic thyroidectomy (BABA RT) over the last 14 years.
Methods
From February 2008 to September 2021, we conducted a retrospective medical chart review of 5,011 consecutive patients who underwent BABA RT at three Seoul National University-affiliated hospitals. The patients were divided into three groups based on the main model of the da Vinci robotic surgical system to evaluate trends in surgical treatment strategies and outcomes after BABA RT.
Results
Of the 5,011 patients (4,706 malignant and 305 benign), the most common histological subtype was papillary thyroid carcinoma (n = 4,584; 97.4%). The mean tumor size significantly increased from 0.8 cm to 1.2 cm (p < 0.05). The mean numbers of metastatic and harvested lymph nodes from the central neck dissection and the lateral neck dissection showed a significant difference and tendency to increase (from 0.9 to 1.6, 4.7 to 6.2, p < 0.05, and from 0.6 to 3.9, 5.3 to 17.9, p < 0.05), respectively, throughout the study period. Permanent hypoparathyroidism decreased from 3.4 to 2.9%. The rate of transient and permanent vocal cord palsy decreased from 15.2 to 2.7% and from 0.7 to 0.2%, respectively.
Conclusion
With advancements in robotic surgical systems and improvements in the BABA RT technique, surgical indications have expanded to include more advanced thyroid diseases, and surgical outcomes have improved over the last 14 years.
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Acknowledgements
We acknowledge Woochul Kim, Hyeonuk Hwang, Seonghoon Kim, and Ah Jung Seo for their dedicated effort in the data acquisition of this study.
Funding
This work was supported by the Korea Medical Device Development Fund grant funded by the Korea government (the Ministry of Science and ICT, the Ministry of Trade, Industry and Energy, the Ministry of Health & Welfare, the Ministry of Food and Drug Safety) (Project Number:KMDF_PR_20200901_0146), MSIT(Ministry of Science and ICT), Korea, under the ITRC(Information Technology Research Center) support program(IITP-2021–2018-0–01833) supervised by the IITP(Institute for Information & Communications Technology Planning & Evaluation), and Institute of Information & communications Technology Planning & Evaluation (IITP) grant funded by the Korea government(MSIT) (No. 2021–0-0052, Cloud-based XR content conversion and service technology development that changes according to device performance).
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Informed consent was exempted by the Institutional Review Board of Seoul National University-affiliated hospitals due to the retrospective nature of this study.
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This study was approved by the Institutional Review Board of Seoul National University Hospital (IRB number: 2110-189-1267), Seoul National University Bundang Hospital (IRB number: 2208-772-403), and Seoul National University Boramae Medical Center (IRB number: 10-2022-72).
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Kwak, J., Yu, H.W., Ahn, Jh. et al. A Time Trend Analysis of 5,000 Robotic Thyroidectomies via Bilateral Axillo-Breast Approach. World J Surg 47, 403–411 (2023). https://doi.org/10.1007/s00268-022-06836-y
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DOI: https://doi.org/10.1007/s00268-022-06836-y