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Chapurlat, Roland; Pialat, Jean-Baptiste; Merle, Blandine; Confavreux, Elisabeth; Duvert, Florence; Fontanges, Elisabeth; Khacef, Farida; Peres, Sylvie Loiseau; Schott, Anne-Marie; Lespessailles, Eric

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Abstract Note

SummaryThe diagnostic performance of densitometry is inadequate. New techniques of non-invasive evaluation of bone quality may improve fracture risk prediction. Testing the value of these techniques is the goal of the QUALYOR cohort.IntroductionThe bone mineral density (BMD) of postmenopausal women who sustain osteoporotic fracture is generally above the World Health Organization definition for osteoporosis. Therefore, new approaches to improve the detection of women at high risk for fracture are warranted.MethodsWe have designed and recruited a new cohort to assess the predictive value of several techniques to assess bone quality, including high-resolution peripheral quantitative computerized tomography (HRpQCT), hip QCT, calcaneus texture analysis, and biochemical markers. We have enrolled 1575 postmenopausal women, aged at least 50, with an areal BMD femoral neck or lumbar spine T-score between − 1.0 and − 3.0. Clinical risk factors for fracture have been collected along with serum and blood samples.ResultsWe describe the design of the QUALYOR study. Among these 1575 women, 80% were aged at least 60. The mean femoral neck T-score was − 1.6 and the mean lumbar spine T-score was −1.2. This cohort is currently being followed up.ConclusionsQUALYOR will provide important information on the relationship between bone quality variables and fracture risk in women with moderately decreased BMD.


Archives of Osteoporosis





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France     HR-pQCT     Microarchitecture     Osteoporosis    
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