Journal List > J Korean Fract Soc > v.22(3) > 1037696

J Korean Fract Soc. 2009 Jul;22(3):166-171. Korean.
Published online July 31, 2009.
Copyright © 2009 The Korean Fracture Society. All rights reserved.
Internal Fixation Using Double Plates for Comminuted Olecranon Fractures in Adults
Hyun-Dae Shin, M.D., Jae-Hoon Yang, M.D. and Pil-Sung Kim, M.D.
Department of Orthopedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea.

Address reprint requests to: Hyun-Dae Shin, M.D. Department of Orthopedic Surgery, Chungnam National University School of Medicine, 640, Daesa-dong, Jung-gu, Daejeon 301-721, Korea. Tel: 82-42-280-7349, Fax: 82-42-252-7098, Email:
Received November 03, 2008; Revised December 14, 2008; Accepted April 26, 2009.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.



To evaluate the clinical usefulness of internal fixation with double plates for comminuted olecranon fractures.

Materials and Methods

Nine patients with olecranon fractures which are classified into Mayo type IIB (7 cases) and type IIIB (2 cases) underwent internal fixation using double plates from June 2002 to September 2005. They were followed-up for more than 12 months and average period of follow-up was 14 (12~18) months. Six cases were males and three were females. Mean age was 40.7 (21~63) years. We used open reduction and internal fixation using double plates. Clinical assessment index was pain, range of motion (ROM), stability and function of joint at last follow-up. The sum of four indices were compared. Also, we evaluated starting time of full ROM exercise, bony union time and complications.


All cases started postoperative ROM within 7 days and clinical results were evaluated using Mayo elbow performance index. 'Excellent', 'good' were 2, 6 cases, respectively and 1 case was 'fair'. Elbow ROM was more than 110° in all cases except one. Mean radiological bony union time was 3.9 (2.5~5) months postoperatively. There were heterotrophic ossifications in 3 cases as complication.


Internal fixation using double plates for comminuted olecranon fractures in adults can be good treatment option which obtains good clinical results and enables early ROM.

Keywords: Olecranon comminuted fractures; Internal fixation using double plates; Early ROM


Fig. 1
(A) Preoperative simple radiographs showed Mayo type IIB olecranon fracture.

(B) In 3D-CT, we found the comminuted and displaced fracture of olecranon.

(C) The fracture was fixed internally using double plates.

(D) On 12 months after surgery, simple radiographs show rigid fixation of fracture site and no loosening of plates.

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Fig. 2
(A) On preoperative radiological evaluation, we diagnosed Mayo type IIB, comminuted olecranon fracture.

(B) Postoperative simple radiographs showing internal fixation using double plates.

(C) On 14 months after surgery, follow-up radiographs show heterotrophic ossification around olecranon, but fracture was fixed rigidly.

Click for larger image


Table 1
Data of the patients
Click for larger image

Table 2
Clinical results of each cases
Click for larger image

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