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Incidence of concomitant and previous osteoporotic vertebral fractures

Incidence of concomitant and previous osteoporotic vertebral fractures Incidence of concomitant and previous osteoporotic vertebral fractures
Incidence of concomitant and previous osteoporotic vertebral fractures Incidence of concomitant and previous osteoporotic vertebral fractures

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An MRI scan of the thoracic and lumbar spine in patients with several AOVFs, or even intuition of concomitant AOVFs is advised to find out all the acute concomitant fractures.

Oftenly, numerous fractures on plain radiographs are observed in patients suffering from  osteoporosis who present with an acute onset of back pain. It is however arduous to differentiate an acute osteoporotic vertebral fracture (AOVF) from previous fractures. The objective of the study mentioned here was to examine the prevalence of concomitant AOVFs and previous OVFs in patients with symptomatic AOVFs, and to recognize risk factors for concomitant AOVFs.

For this purpose, 1,005 patients and 2,874 osteoporotic vertebral fractures, which has been running since February 1, 2006 were taken up from the Registry of Pathological Osteoporotic Vertebral Fractures (REPAPORA). This was a prospective epidemiological study in which the concomitant fractures are defined as at least 2 acute short-tau inversion recovery (STIR-) positive vertebral fractures that occur concomitantly. A prior fracture is a STIR-negative fracture at the time of initial diagnostics. To investigate the influence of various variables on the incidence of concomitant fractures, logistic regression was used.

It was revealed that more than 99% of osteoporotic vertebral fractures eventuated in the thoracic and lumbar spine. Prevalence of concomitant fractures at the time of first patient contact was 26% and that of prior fractures was 60%. The odds ratio (OR) for concomitant fractures declined with a higher number of previous fractures (OR =0.86; p = 0.03) and higher dual-energy X-ray absorptiometry T-score (OR =0.72; p = 0.003).

It can thus be interpreted as, concomitant and previous osteoporotic vertebral fractures are common. As for osteoporotic vertebral fracture, the risk factors for concomitant fractures are a low T-score and a low number of previous vertebral fractures. To prevent/reduce the risk of under-diagnosis and under-treatment, an MRI scan of the the complete thoracic and lumbar spine with STIR sequence needs to be performed.

Source:

Acta Orthopedicia

Article:

Concomitant and previous osteoporotic vertebral fractures

Authors:

Markus Lenski et al.

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