Patellar fixation protected with a load-sharing cable: a mechanical and clinical study.

Abstract:

:The stability of patellar fracture fixation protected with a load-sharing cable was studied in cadavers. A transverse patellar osteotomy was produced and stabilized with standard patellar fixation with or without a figure-of-eight cable that extends from the proximal pole of the patella to the tibial tubercle. Standard fixation techniques (interfragmentary cancellous screws or modified tension-band wiring) alone failed after significantly fewer cycles of flexion and extension than did the same fixation when supplemented with a load-sharing cable. In the clinical evaluation of the load-sharing cable, 14 consecutive patients with displaced patellar fractures were treated. No immobilization was used and the patients were started on passive and active range of motion and weight-bearing ambulation in the early postoperative period. Thirteen fractures healed uneventfully. The increased stability of patellar fracture fixation protected with a load-sharing cable offers three advantages: (a) adjunctive casting is unnecessary, (b) comminuted fractures can be "pieced" together anatomically with less concern for loss of fixation, and (c) early postoperative passive and active range of motion can be achieved.

journal_name

J Orthop Trauma

authors

Perry CR,McCarthy JA,Kain CC,Pearson RL

doi

10.1097/00005131-198802030-00010

subject

Has Abstract

pub_date

1988-01-01 00:00:00

pages

234-40

issue

3

eissn

0890-5339

issn

1531-2291

journal_volume

2

pub_type

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