Reproducibility of a new method for measuring lowering and medialisation of the humerus after reverse shoulder arthroplasty.
Int Orthop
; 42(1): 141-147, 2018 01.
Article
en En
| MEDLINE
| ID: mdl-28573515
BACKGROUND: Reverse shoulder arthroplasty (RSA) requires lowering the humerus and medialisation of the centre of rotation. Several techniques based on standard X-rays are available in the literature. The aim of this study was to expose and validate a new technique for measuring these parameters. MATERIALS AND METHODS: Radiographic data of 20 patients were included. Three observers examined each X-rays three times to establish the inter- and intra-reproducibility of each technique (Jobin, Renaud and our method). RESULTS: Intra-observer reproducibility was between 0.10 and 0.94. The best intra-observer intraclass correlation coefficient (ICC) was obtained using Renaud's and our techniques. The inter-observer reproducibility was between 0.37 and 0.74. The best inter-observer ICC was obtained with our technique. DISCUSSION: We describe a reliable and reproducible method to evaluate lowering and medialisation of the humerus after RSA. This technique may allow determine the optimal threshold of lengthening after RSA.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Articulación del Hombro
/
Alargamiento Óseo
/
Artroplastía de Reemplazo de Hombro
/
Húmero
Tipo de estudio:
Observational_studies
Límite:
Aged
/
Female
/
Humans
/
Male
Idioma:
En
Revista:
Int Orthop
Año:
2018
Tipo del documento:
Article
País de afiliación:
Francia
Pais de publicación:
Alemania