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논문 기본 정보

자료유형
학술저널
저자정보
Joo Han Oh (Seoul National University Bundang Hospital) Hyeon Jang Jeong (Seoul National University Bundang Hospital) Yoo-Sun Won (Seoul National University Bundang Hospital)
저널정보
대한견주관절의학회 대한견주관절의학회지 대한견주관절의학회지 제26권 제1호
발행연도
2023.3
수록면
93 - 106 (14page)

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초록· 키워드

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Reverse total shoulder arthroplasty (RTSA) emerged as a new concept of arthroplasty that does not restore normal anatomy but does restore function. It enables the function of the torn rotator cuff to be performed by the deltoid and shows encouraging clinical outcomes. Since its introduction, various modifications have been designed to improve the outcome of the RTSA. From the original cemented baseplate with peg or keel, a cementless baseplate was designed that could be fixed with central and peripheral screws. In addition, a modular-type glenoid component enabled easier revision options. For the humeral component, the initial design was an inlay type of long stem with cemented fixation. However, loss of bone stock from the cemented stem hindered revision surgery. Therefore, a cementless design was introduced with a firm metaphyseal fixation. Furthermore, to prevent complications such as scapular notching, the concept of lateralization emerged. Lateralization helped to maintain normal shoulder contour and better rotator cuff function for improved external/internal rotation power, but excessive lateralization yielded problems such as subacromial notching. Therefore, for patients with pseudoparalysis or with risk of subacromial notching, a medial eccentric tray option can be used for distalization and reduced lateralization of the center of rotation. In summary, it is important that surgeons understand the characteristics of each implant in the various options for RTSA. Furthermore, through preoperative evaluation of patients, surgeons can choose the implant option that will lead to the best outcomes after RTSA.

목차

INTRODUCTION
IMPLANT DESIGN AND SURGICAL TECHNIQUE
MEDIAL AND LATERAL IMPLANT OPTIONS IN RTSA
INDIVIDUALIZED IMPLANT SELECTION FOR RTSA–PROPOSED PRINCIPLE
CONCLUSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2023-514-000430287