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Osteoporosis in Rehabilitation

Condition: Osteoporosis is a bone disease that results from a decrease in bone mineral density, resulting in weak and brittle bones.

Background: Bones are constantly being remodeled, and as we age, osteoporosis results when new bone is not laid down as fast as old bone is removed. Approximately 55% of the United States population older than 50 years has low bone density.

Risk Factors: Women are at higher risk of developing osteoporosis. Increasing age, race (Caucasian or Asian), body mass index, family history of hip fracture, and personal history of fractures are all risk factors for osteoporosis development. Other risk factors include smoking, excessive alcohol use, lack of exercise, low-calcium diet, vitamin D deficiency, low estrogen levels in women or low testosterone levels in men, endocrine diseases, and some medications.

History and Symptoms: Osteoporosis typically has no symptoms until a fracture occurs. Assessment of risk factors and other medical conditions is important.

Physical Exam: A physical exam will be performed to assess the body frame, signs of anorexia, chronic liver disease, thyroid disease, and alcoholism. Skin will be evaluated to look for signs of endocrine disorders. Physicians will also assess the patient’s mobility and the ability to take care of oneself as well as the patient’s fall risk.

Diagnostic Process: A complete blood cell count as well as measurement of calcium, liver enzymes, vitamin D, and thyroid hormones in blood is useful. Calcium levels in urine samples and testosterone levels (in men) can be measured. Dual-energy X-ray absorptiometry (DXA), which is a technique for imaging of bone density, is recommended for diagnosis. Other imaging techniques (X-ray, CT, SXA, and ultrasound) may also be used. Other laboratory tests may be used to assess specific disease markers.

Rehab Management: As osteoporosis is often undiagnosed until a fracture occurs, initial treatment involves relieving pain and stabilizing the fracture. Supplementation with calcium and vitamin D is recommended to prevent additional fractures. Several medications are available for treatment of postmenopausal women and older men who have osteoporosis and/or a high risk of fractures. Physical therapy and exercise are useful to reduce disability, improve movement, lower risk of falls, and increase bone density with weight-bearing activity.

Other Resources for Patients and Families: Because osteoporosis is preventable, adequate calcium and vitamin D intake and weight-bearing exercise are important throughout life. Patients should be educated about minimizing risk factors and fall hazards.

 

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