Su-Keon Lee; Kyeong-Seop Song; Seung-Hwan Lee; Sang-Pil Yoon; Sang-Youn Lim

doi:10.12671/jkfs.2015.28.2.125

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Original Article
The Short Term Results of Radial Head Arthroplasty with Unipolar Loose Fit Stem: Su-Keon Lee, M.D., Kyeong-Seop Song, M.D., Seung-Hwan Lee, M.D., Sang-Pil Yoon, M.D., Sang-Youn Lim, M.D.; Journal of the Korean Fracture Society 2015;28(2):125-131.
DOI: https://doi.org/10.12671/jkfs.2015.28.2.125
Published online: April 21, 2015

Department of Orthopedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.

Address reprint requests to: Kyeong-Seop Song, M.D. Department of Orthopedic Surgery, Gwangmyeong Sungae Hospital, 36 Digital-ro, Gwangmyeong 423-711, Korea. Tel: 82-2-268-7236, Fax: 82-2-2680-7252, limsy2003@naver.com

• Received: July 9, 2014 • Revised: November 26, 2014 • Accepted: March 18, 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abstract
NOTES
REFERENCES

Abstract

Purpose
We report short-term results of radial head prosthesis using a unipolar loose fit stem in ten patients.
Materials and Methods
Ten patients with Mason type three radial head fracture, who received unipolar radial head arthroplasty from February 2010 to June 2011, were evaluated (mean follow-up: 22 months, range: 18-30 months). Subjects consisted of five men and five women. Range of elbow motion was measured. Mayo elbow performance index (MEPI) score was used for functional evaluation and periodic radiological imaging was performed to evaluate the stability of implant.
Results
After an average follow-up of 22 months, elbow stability was maintained in all cases, and the average range of motion of elbow flexion and extension was 6 to 130 degrees. Average range of pronation and supination was 66 and 74 degrees, respectively. MEPI score was evaluated as excellent in seven cases, and good in three cases. On final follow-up, radiological assessment showed implant stability in all cases without evidence of dislocation, subluxation, arthritis, periprosthetic osteolysis or heterotopic ossification.
Conclusion
Based on our short-term follow-up, radial head arthroplasty with unipolar loose fit stem is a useful method for obtaining satisfactory outcome for unreducible comminuted radial head fractures.
Key words: Elbow, Radial head fracture, Unipolar radial head arthroplasty, Loose fit stem

None.

REFERENCES

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Fig. 1

Preoperative antero-posterior (A) and lateral (B) radiographs show a serious triad injury. At 12 months after the operation, antero-posterior (C) and lateral (D) radiographs of the elbow show a well aligned ulnohumeral and radiocapitellar joint. Tension band wirings for fracture of ulnar olecranon was applied simultaneously.

Fig. 2

At 24 months after the operation, antero-posterior (A) and lateral (B) radiographs show osteolysis around the proximal radius and stem and a loose prosthesis from the cemented bipolar replacement group.

Table 1

Type of Radial Head Fracture with Associated Injuries of 10 Patients

LCL: Lateral collateral ligament.

Table 2

Range of Motion and MEPI Scores at Final Follow-Up

MEPI: Mayo elbow performance index.

Figure & Data

REFERENCES

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The Short Term Results of Radial Head Arthroplasty with Unipolar Loose Fit Stem

J Korean Fract Soc. 2015;28(2):125-131. Published online April 30, 2015

DOI: https://doi.org/10.12671/jkfs.2015.28.2.125

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The Short Term Results of Radial Head Arthroplasty with Unipolar Loose Fit Stem

Fig. 1 Preoperative antero-posterior (A) and lateral (B) radiographs show a serious triad injury. At 12 months after the operation, antero-posterior (C) and lateral (D) radiographs of the elbow show a well aligned ulnohumeral and radiocapitellar joint. Tension band wirings for fracture of ulnar olecranon was applied simultaneously.

Fig. 2 At 24 months after the operation, antero-posterior (A) and lateral (B) radiographs show osteolysis around the proximal radius and stem and a loose prosthesis from the cemented bipolar replacement group.

Fig. 1

Fig. 2

The Short Term Results of Radial Head Arthroplasty with Unipolar Loose Fit Stem

Table 1

Type of Radial Head Fracture with Associated Injuries of 10 Patients

LCL: Lateral collateral ligament.

Table 2

Range of Motion and MEPI Scores at Final Follow-Up

MEPI: Mayo elbow performance index.

Table 1 Type of Radial Head Fracture with Associated Injuries of 10 Patients

LCL: Lateral collateral ligament.

Table 2 Range of Motion and MEPI Scores at Final Follow-Up

MEPI: Mayo elbow performance index.