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Osteoporos Int ; 25(11): 2639-48, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-25027108

RESUMEN

UNLABELLED: We propose that the measurement of the bone mineral density (BMD) of the proximal humerus be standardized using the dual energy X-ray absorptiometry (DXA) in patients supposed to undergo rotator cuff repair surgery as well as those with the fracture of the proximal humerus as the BMD of the proximal humerus is decreased in these patients. INTRODUCTION: We propose that the measurement of the BMD of the proximal humerus be standardized using the DXA in patients who are supposed to undergo rotator cuff repair surgery as well as those with the fracture of the proximal humerus. METHODS: We conducted the prospective study in 213 patients with unilateral rotator cuff tear but without contralateral shoulder pain or disease. In these patients, we preoperatively measured the BMD of the bilateral proximal humeri with a repeat measurement in 20 patients. We predefined three regions of interest (ROIs) in the proximal humerus with the consideration of the rotator cuff repair surgery as well as proximal humeral fractures. RESULTS: The measurement of the BMD of the proximal humerus using the DXA showed excellent reliability (intraclass correlation coefficient > .90). BMD values of all three ROIs in the affected shoulder were significantly lower than those in asymptomatic shoulder (all p < 0.05). In female patients, the BMD values of ROIs in bilateral shoulder were significantly lower than those in male patients (all p < 0.001). In multiple regressions, however, there were no significant correlations between other clinical characteristics, except for the gender, and the BMD of GT in the affected shoulder. CONCLUSIONS: It is imperative that the bone quality of the proximal humerus be accurately evaluated prior to surgery in patients who are supposed to undergo rotator cuff repair using suture anchors as well as in those with proximal humeral fractures. This is because the BMD of the proximal humerus is decreased in these patients.


Asunto(s)
Densidad Ósea/fisiología , Húmero/fisiopatología , Osteoporosis/diagnóstico , Lesiones del Manguito de los Rotadores , Absorciometría de Fotón/métodos , Adulto , Anciano , Femenino , Articulación de la Cadera/fisiopatología , Humanos , Vértebras Lumbares/fisiopatología , Masculino , Persona de Mediana Edad , Variaciones Dependientes del Observador , Osteoporosis/etiología , Fracturas Osteoporóticas/diagnóstico , Fracturas Osteoporóticas/fisiopatología , Cuidados Preoperatorios/métodos , Estudios Prospectivos , Manguito de los Rotadores/cirugía , Factores Sexuales , Fracturas del Hombro/diagnóstico , Fracturas del Hombro/fisiopatología
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