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Tendon versus Pyrocarbon Interpositional Arthroplasty in the Treatment of Trapeziometacarpal Osteoarthritis

Authors
 Won-Taek Oh  ;  Yong-Min Chun  ;  Il-Hyun Koh  ;  Jong-Kwan Shin  ;  Yun-Rak Choi  ;  Ho-Jung Kang 
Citation
 BioMed Research International, Vol.2019 : 7961507, 2019 
Journal Title
 BioMed Research International 
ISSN
 2314-6133 
Issue Date
2019
Abstract
Background: Trapeziometacarpal (TMC) arthritis is treated with surgery when nonsurgical treatment fails. The best surgical option for improving pain relief, functional outcomes, and postoperative complications remains controversial. The purpose of this study was to compare clinical and radiological outcomes and complications between trapezium excision with ligament reconstruction and tendon interposition (LRTI) and pyrolytic carbon interpositional arthroplasty. Methods: From March 2009 to August 2014, 37 patients (39 wrists) with Eaton-Littler stage II or III TMC arthritis underwent complete trapezium excision with LRTI (Group L, n=19) or pyrolytic interpositional arthroplasty (Group P, n=20). Visual analog scale (VAS) pain scores; grip and pinch strength; Kapandji scores to quantify thumb opposition; and Disabilities of Arm, Shoulder, and Hand (DASH) scores were used to compare clinical outcomes between the two groups. Radiographic changes (metacarpal shortening, subluxation, and radiolucency) were evaluated on the radiographs of thumb basal joints. Results: There were no differences in patient demographics, Eaton-Littler stage, preoperative outcome measures, or the duration of follow-up between the two groups. At the last follow-up, VAS pain scores, pinch and grip strengths, Kapandji scores, and DASH scores were significantly improved in both groups compared with preoperative scores. All follow-up measurements were similar between the two groups except pinch strength, which was 1.8 kg higher in Group P (p<0.001). Proximal metacarpal migration did not differ significantly between the groups. Periprosthetic lucency more than 1 mm was observed in 7 of 20 (35%) thumbs. Complication rates were similar between the two groups. Conclusions: All subjective and objective outcomes were similar following LRTI and pyrolytic interpositional arthroplasty in patients with TMC arthritis, except pinch strength, which was more improved following pyrolytic interpositional arthroplasty. Longer follow-up is required to test adverse effects of high rates of periprosthetic lucency and prosthetic subluxation on clinical outcomes after PyroDisk interpositional arthroplasty.
Files in This Item:
T201902992.pdf Download
DOI
10.1155/2019/7961507
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Ho Jung(강호정) ORCID logo https://orcid.org/0000-0003-0273-1264
Koh, Il Hyun(고일현) ORCID logo https://orcid.org/0000-0001-9823-8516
Shin, Jong-Kwan(신종관)
Oh, Won Taek(오원택) ORCID logo https://orcid.org/0000-0003-1815-0851
Chun, Yong Min(천용민) ORCID logo https://orcid.org/0000-0002-8147-6136
Choi, Yun Rak(최윤락)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171146
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