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Learning Curve For Lateral Meniscal Allograft Transplantation: Preventing Meniscal Extrusion

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Abstract
Purpose: This study analyzes the large number of lateral meniscal allograft transplantation (LMAT) procedures conducted by a single surgeon over 23 years to determine whether the absolute amount of graft subluxation and the incidence of extrusion are different at the present time compared to the early MAT era. Methods: We reviewed 320 cases of LMAT performed by a single surgeon between 1996 and 2019. This cohort was chronologically divided into 8 groups (of 40 subjects). The absolute amount of subluxation was measured by the coronal sections of magnetic resonance images taken 1 year after operation. Subluxation by more than 3 mm was considered as extrusion. The graft extrusion learning curve was plotted in each series using the learning curve cumulative summation test (LC-CUSUM). Results: Extrusion incidence was 41.6%, and the mean absolute amount of graft subluxation was 3.4 +/- 2.2 mm for all subjects. There were significant between-group differences in extrusion incidence and absolute amount of graft subluxation (extrusion incidence, P < .001; absolute amount of graft subluxation, P < .001), and the extension incidence and graft subluxation decreased from Group I (72.5%, 4.6 +/- 1.7) to Group VIII (27.5%, 2.5 +/- 2.1). LC-CUSUM analysis signaled that the surgeon had achieved predefined acceptable outcomes in avoiding extrusion after 128 cases. Conclusion: The incidence of extrusion and absolute amount of graft subluxation decreased significantly over a period of 23 years, and the surgeon achieved a certain level of proficiency after 128 cases. Level of Evidence: Level IV, Case series.
Author(s)
김종민빈성일송주호이범식조형권최정수
Issued Date
2021
Type
Article
Keyword
AnalysisTransplantation of organstissuesetc
DOI
10.1016/j.arthro.2021.04.042
URI
https://oak.ulsan.ac.kr/handle/2021.oak/8678
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_proquest_miscellaneous_2522195397&amp;context=PC&amp;vid=ULSAN&amp;lang=ko_KR&amp;search_scope=default_scope&amp;adaptor=primo_central_multiple_fe&amp;tab=default_tab&amp;query=any,contains,Learning%20Curve%20For%20Lateral%20Meniscal%20Allograft%20Transplantation:%20Preventing%20Meniscal%20Extrusion&amp;offset=0&amp;pcAvailability=true
Publisher
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
Location
미국
Language
영어
ISSN
0749-8063
Citation Volume
37
Citation Number
11
Citation Start Page
3326
Citation End Page
3334
Appears in Collections:
Medicine > Medicine
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