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Quantitative Assessment of the Learning Curve for Robotic Thyroid Surgery
- Quantitative Assessment of the Learning Curve for Robotic Thyroid Surgery
- Kim, Hyungoo; Kwon, Hyungju; Lim, Woosung; Moon, Byung-In; Paik, Nam Sun
- Ewha Authors
- 문병인; 임우성; 백남선; 권형주
- SCOPUS Author ID
- 문병인; 임우성; 백남선; 권형주
- Issue Date
- Journal Title
- JOURNAL OF CLINICAL MEDICINE
- JOURNAL OF CLINICAL MEDICINE vol. 8, no. 3
- learning curve; CUSUM; robotic; thyroid
- SCIE; SCOPUS
- Document Type
- With the increased utilization of robot thyroidectomy in recent years, surgical proficiency is the paramount consideration. However, there is no single perfect or ideal method for measuring surgical proficiency. In this study, we evaluated the learning curve of robotic thyroidectomy using various parameters. A total of 172 robotic total thyroidectomies were performed by a single surgeon between March 2014 and February 2018. Cumulative summation analysis revealed that it took 50 cases for the surgeon to significantly improve the operation time. Mean operation time was significantly shorter in the group that included the 51st to the 172nd case, than in the group that included only the first 50 cases (132.8 +/- 27.7 min vs. 166.9 +/- 29.5 min; p < 0.001). On the other hand, the surgeon was competent after the 75th case when postoperative transient hypoparathyroidism was used as the outcome measure. The incidence of hypoparathyroidism gradually decreased from 52.0%, for the first 75 cases, to 40.2% after the 76th case. These results indicated that the criteria used to assess proficiency greatly influenced the interpretation of the learning curve. Incorporation of the operation time, complications, and oncologic outcomes should be considered in learning curve assessment.
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