Three Dimensional CT-based Virtual Patellar Resection in Female Patients Undergoing Total Knee Replacement: A Comparison between Tendon and Subchondral Method
Clinics in Orthopedic Surgery
; : 193-199, 2012.
Artigo
em Inglês
| WPRIM (Pacífico Ocidental)
| ID: wpr-210190
Biblioteca responsável:
WPRO
ABSTRACT
BACKGROUND:
Due to its small size, variable shape, and lack of distinct anatomical landmarks, osteoarthritic knees make a precise patellar resection extremely difficult.METHODS:
We performed virtual patellar resection with digital software using three dimensional computed tomography scans of knees from 49 patients who underwent primary total knee replacement at our hospital. We compared 2 commonly used resection methods, the tendon method (TM) and the subchondral method, to determine an ideal resection plane with respect to the symmetry and thickness of the patellar remnant.RESULTS:
The TM gave a thicker resected patella, and a less oval cut surface shape, which gives better coverage for a domed prosthesis. Both methods, however, gave a symmetric resection both superior-inferiorly, as well as mediolaterally.CONCLUSIONS:
Although TM appears statistically better with respect to the thickness and cut surface shape, only further intraoperative studies with long-term clinical follow-up may provide us with the most appropriate patellar resection method.
Texto completo:
Disponível
Base de dados:
WPRIM (Pacífico Ocidental)
Assunto principal:
Patela
/
Tomografia Computadorizada por Raios X
/
Artroplastia do Joelho
/
Imageamento Tridimensional
/
Cirurgia Assistida por Computador
Limite:
Idoso
/
Idoso, 80 anos ou mais
/
Feminino
/
Humanos
Idioma:
Inglês
Revista:
Clinics in Orthopedic Surgery
Ano de publicação:
2012
Tipo de documento:
Artigo