learning curves for strabismus surgery in two ophthalmologists
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2015
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Abstract
Purpose: To identify the average turning point by comparing the learning curves of two surgeons learning to perform strabismus surgery. Materials and Methods: Patients who underwent procedures to correct exotropia between January 2010 and December 2014 followed for at least 3 months were retrospectively assessed. The first 70 patients on whom each of two ophthalmologists (A and B) performed surgery to treat strabismus were divided into 7 cohorts comprising 10 patients each based on the chronological order of the surgery. Factors, including patient age, preoperative angle of deviation, operative time, and success or failure of the operation, were compared between the two surgeons. Learning curves were calculated based on changes in operative time and operation success rate. Operation success was determined by measuring the angle of deviation at a distance of 5 m 3 months after the operation. Results: A turning point was observed after 40 cases for Surgeon A and 50 cases for Surgeon B based on the operative time learning curve. No turning point was observed in the operation success rate learning curve based on the absence of a specific trend. Success rate by cohort was not significantly different between the two surgeons (P > 0.05). Surgeon B had a significantly longer mean operative time than Surgeon A (P = 0.045). Conclusions: Approximately 50 cases are required for an ophthalmologist to reach a turning point in strabismus surgery. This outcome can be used as a guideline when training surgeons to perform strabismus surgery.
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kim2015indianlearning
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| Authors | ;Yonguk Kim;Young Gyun Kim;Hye Ji Kim;Jae Ho Shin;Sang Beom Han;Seung Jun Lee;Moosang Kim |
| Journal | Bioinformatics |
| Year | 2015 |
| DOI |
10.4103/0301-4738.171962
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