The Dual-Energy X-ray Absorptiometry (DEXA) scan is a widely used and precise bone density test for diagnosing osteoporosis and evaluating an individual's fracture risk. It stands as the most reliable method for assessing bone mineral density.
A DEXA scan employs a minimal amount of low-dose X-ray to assess bone mineral content in targeted areas, typically the hip and spine. This painless, non-invasive procedure can be completed in just a few minutes.
It is highly recommended if you belong to any of the following groups:
A DEXA scan can help assess your bone health and detect early signs of osteoporosis. This is particularly important for middle-aged women over the age of 45, who should take proactive steps to prevent silent osteoporosis. Due to the loss of estrogen, postmenopausal women are at a higher risk of developing osteoporosis, making DEXA scans a crucial tool for assessing their bone health.
Men over the age of 60 may experience a gradual loss of bone density, putting them at risk of osteoporosis and fractures. For this reason, a DEXA scan is recommended for them. Women at risk of developing osteoporosis should be regularly monitored with bone density scans, including DEXA scans, to assess the effectiveness of treatment and make any necessary adjustments.
In short, DEXA scans can identify individuals at high risk of fractures and allow for appropriate interventions to prevent or treat osteoporosis.
Booking a DEXA scan at Anderson Diagnostics is an easy and hassle-free process. All you need to do is to give us a call and book an appointment.
Osteoporosis is a prevalent medical condition characterised by fragile bones, increasing the risk of fractures. This condition predominantly affects older adults and women, with postmenopausal women being particularly susceptible due to declining estrogen levels. In fact, 1 in 5 women ( 20%) and 1 in 20 men (5%) aged 50 and above are affected by osteoporosis, highlighting its widespread impact.
Risk factors for osteoporosis encompass age, family history, low body weight, smoking, and excessive alcohol intake, as well as specific medical conditions like thyroid issues and inflammatory bowel disease. Additionally, sedentary lifestyles, diets deficient in calcium and vitamin D, and prolonged use of medications can further exacerbate the condition.
Osteoporosis is very common, and is usually known as the "silent disease." It often presents no symptoms until a fracture occurs, usually in the hip, spine, or wrist. Consequently, screening for osteoporosis is crucial, as it can be challenging to detect in the absence of noticeable symptoms.
Early detection of osteoporosis via bone density testing can identify individuals at risk for fractures, allowing healthcare providers to implement preventative measures. Osteoporosis is a manageable condition, and a healthcare professional can assess an individual's risk factors and tailor an appropriate course of action to their unique circumstances. Prompt diagnosis and intervention often lead to improved outcomes in managing the condition.
For effective osteoporosis treatment, lifestyle modifications might be insufficient, and medication may be required. Studies highlight the potential for increased spinal fracture risk when medication is discontinued abruptly, emphasising the need for consistent use.
With age, bone breakdown and rebuilding processes naturally occur, but post-menopause, these processes intensify. Osteoporosis medications primarily function by either decelerating bone breakdown or accelerating bone rebuilding. This fortification of bones helps lower fracture risks and enhances bone health. Ultimately, engaging in osteoporosis treatment is a vital step towards better bone health.
For further treatment information, please refer to the following:
A DEXA Scan, also known as dual-energy X-ray absorptiometry, is an uncomplicated, non-invasive method for assessing bone density. By employing a pair of low-dose X-ray beams, it examines the bone structure and quantifies the results using a T-score chart. The procedure is typically conducted on the hip or spine but can also extend to other regions of the body.
A DEXA scan plays a crucial role for postmenopausal women due to their increased susceptibility to osteoporosis. By identifying early indications of bone loss, the scan enables physicians to devise strategies for preventing additional bone deterioration and fractures.
To undergo a DEXA scan, you need to lie on a cushioned table as a scanning arm moves above your body. You should stay still. You might also be instructed to briefly hold your breath for optimal image clarity. This painless procedure typically lasts between 10-15 minutes.
Prior to your DEXA scan, opt for comfortable, loose clothing that does not contain metal elements like zippers or buttons. Additionally, inform your physician about any recent X-rays or scans involving contrast material injections to ensure accurate results.
Indeed, a DEXA scan is safe, employing minimal levels of radiation. The radiation exposure during this procedure is lower than that experienced in a conventional X-ray.
DEXA scan outcomes are generally presented in a T-score graph. A T-score of -1.0 or above is deemed normal, while a T-score between -1.0 and -2.5 signifies low bone density (osteopenia). A T-score of -2.5 or below indicates osteoporosis. Your physician will analyse the results and discuss any necessary treatments or lifestyle modifications with you.
The interval between DEXA scans for monitoring bone density progress depends on factors like sex, age, initial test results, and medical history. Generally, waiting at least a year after the initial scan is recommended to provide ample time for bone density changes to manifest and be detectable.
Several medical conditions might necessitate a DEXA scan in children to determine bone health and identify any abnormalities. These include:
Osteoporosis is a disease in which bones weaken, causing fractures and decreased bone density. Fractures caused by osteoporosis can cause pain, postural changes, and mobility issues.
Osteopenia is a condition characterised by decreased bone density and weakening of bones, which can lead to an increased risk of fractures. It is considered a milder form of osteoporosis and, if left untreated, can progress to osteoporosis.
Non-modifiable risk factors for osteoporosis include:
Osteoporosis may not show any signs until a fracture occurs, but there are some early warning signs to look out for, such as:
Osteoporosis is usually diagnosed by evaluating risk factors and performing a Bone Mineral Density (BMD) assessment of the spine, hips, and lower back. The most common method used for BMD assessment is the Dual-Energy X-ray Absorptiometry (DEXA) scan. It is considered the most accurate method for diagnosing osteoporosis.
Women are more susceptible to osteoporosis than men, primarily because of two factors:
However, it is crucial to note that adopting healthy lifestyle habits that promote bone health can help prevent osteoporosis.
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