Partners provides DEXA services in both our Sarasota and Bradenton Centers

DEXA stands for Dual Energy X-ray Absorptiometry (also known as: Bone Mineral Densitometry)

Body Composition Analysis 
The Body composition measurement using a DEXA scan is a simple seven minute scan that provides a comprehensive look at your body fat, lean mass and bone density with scientifically validated accuracy. Beyond body composition, a DXA scan will provide you with insights in to health risks like visceral adipose tissue, bone density, estimates of skeletal muscle mass.  A detailed, comprehensive report will help you identify health risks and more accurately track changes in body composition over time.

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Osteoporosis

Osteoporosis is a silent, progressive disease characterized by decreased bone density and increased bone fragility, with a consequent susceptibility to fracture.

In the United States, over 28 million people are at high risk of developing osteoporosis. Up to 1.5 million fractures a year are attributable to osteoporosis. Women are at the greatest risk. One third of Caucasian women over the age of 50 have osteoporosis, yet nearly 80% remain undiagnosed. After menopause, a woman’s risk of suffering an osteoporotic spine or femur fracture is 30% or three times that of a man’s.

Osteoporosis is a complex, multi-factorial disease that may progress silently for decades; there may be no symptoms until fractures occur. Bone loss is the major risk factor that can be modified in mid-life to reduce fracture risk. Bone loss can be reduced by treatment, but it is difficult to restore the microarchitecture of the skeleton once bone has been lost. Early detection and intervention are crucial.

Diagnosis of Osteoporosis

Physicians utilize bone densitometry to categorize patients as normal, osteopenic, or osteoporotic following the World Health Organization (WHO) classifications. The patient’s T-score (comparison to the young adult reference) is the critical variable in diagnosis. Typically, both femurs and the spine are assessed, with the diagnosis made using the lowest T-score. Patient examination, in addition to the T-score, is key to diagnosing osteoporosis.

Fracture Risk Assessment

Bone mineral density (BMD) is the strongest tool to predict fracture risk, which increases exponentially as BMD decreases. Femur BMD is recognized as the strongest predictor of femur fracture risk, which has the highest morbidity, mortality and cost of all osteoporotic fractures. A decrease of 1 standard deviation (SD) in femur BMD corresponds to approximately a 3X increase in femur fracture risk. In comparison, a 1 SD decrease in spine BMD corresponds to a 2X increase in spine fracture risk.

Monitoring Changes in BMD
Patients may return for bone density tests every 1-3 years, depending on the expected rate of loss and their clinical situation. BMD may increase over time as a response to therapy, or it may decrease with disease progression or poor response to therapy. Precision (reproducibility) of the BMD measurements is the key factor in detecting changes in patient BMD over time.

Our GE Lunar bone densitometers continue to set new landmarks in clinical value with high-performance applications, advanced clinical utility, and the unique enCORE™ software platform