The safety and efficacy of a new adjustable plate used for proximal tibial opening wedge osteotomy in the treatment of unicompartmental knee osteoarthrosis.

Authors:
Alex C Hennig
Alex C Hennig
University of Vermont College of Medicine
Burlington | United States
Stephen J Incavo
Stephen J Incavo
Houston Methodist Hospital
Houston | United States
Bruce D Beynnon
Bruce D Beynnon
McClure Musculoskeletal Research Center
Burlington | United States
John S Urse
John S Urse
Grandview Medical Center
Birmingham | United States
Stephen Kelly
Stephen Kelly
Lawrence Berkeley National Laboratory
Berkeley | United States

J Knee Surg 2007 Jan;20(1):6-14

Dept of Orthopedics and Rehabilitation, University of Vermont College of Medicine, 95 Carrigan Dr. Stafford Hall, Burlington, VT 05405, USA.

Twenty opening wedge tibial osteotomies were performed using the Osteotrac plate, which consists of a two-piece plate with a one-way ratcheting mechanism with two degrees of freedom. A variety of concomitant procedures were performed including osteochondral transfer, tibial tubercle medialization, and anterior cruciate ligament reconstruction. The change in tibiofemoral alignment in the coronal plane and the shift in lower extremity mechanical axis were determined. The average lateral shift in the lower extremity mechanical axis was 24% of the tibial plateau width. The average change in the mechanical tibiofemoral angle was 7 degrees of valgus. Union rate at the osteotomy site was 95%. No deep infections, clinical deep venous thrombosis, or device failures occurred. The Osteotrac plate provides safe and effective fixation and intraoperative adjustability to achieve and maintain a lateral shift of the lower extremity mechanical axis and valgus correction of the tibiofemoral alignment in patients with varus knees undergoing proximal tibial opening wedge osteotomy and associated meniscal and chondral procedures.

Download full-text PDF

Source

Still can't find the full text of the article?

We can help you send a request to the authors directly.
January 2007
14 Reads

Publication Analysis

Top Keywords

opening wedge
12
lower extremity
12
shift lower
12
mechanical axis
12
extremity mechanical
12
wedge osteotomy
8
tibiofemoral alignment
8
osteotrac plate
8
tibial opening
8
lateral shift
8
proximal tibial
8
tibial
5
site 95%
4
anterior cruciate
4
95% deep
4
medialization anterior
4
deep venous
4
cruciate ligament
4
ligament reconstruction
4
osteotomy site
4

Similar Publications