Biorhythms of bone tissue metabolic processes and diagnostic evaluation by dexa

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Abstract

Fifty two patients with dysplastic coxarthrosis, aged 14-23, were examined using dual photon X-ray absorptiometry. Changes in bone mineral density had fluctuating pattern. On the base of experimental data a calculating experiment was performed. It showed that coincidence of trend direction obtained at random with true tendency defined by approximation of all dynamic row was only 58% in reiterated examination, 63% - in thrice-repeated examination and 69% - in five -times examination. Hence, even five-times examination is not enough for the exact diagnosis of metabolic disturbances of bone tissue and objective control of the effective treatment and more examinations are required.

About the authors

N. V. Kornilov

Russian Institute of Traumatology and Orthopedics named after R.R. Wreden

Author for correspondence.
Email: info@eco-vector.com
Russian Federation, St. Petersburg

A. S. Avrunin

Russian Institute of Traumatology and Orthopedics named after R.R. Wreden

Email: info@eco-vector.com
Russian Federation, St. Petersburg

I. V. Sinyukova

Russian Institute of Traumatology and Orthopedics named after R.R. Wreden

Email: info@eco-vector.com
Russian Federation, St. Petersburg

V. E. Kazemirsky

Russian Institute of Traumatology and Orthopedics named after R.R. Wreden

Email: info@eco-vector.com
Russian Federation, St. Petersburg

References

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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. The mean difference (in modulus) between the values of the first and second studies of bone mineral density in patients with dysplastic coxarthrosis at different lengths of the time interval between studies.

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3. Fig. 2. Dynamics of mineral density of the intact right tibia of rats after osteotomy of the right femur.

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