Dysbaric osteonecrosis
Dysbaric osteonecrosis (pronunciation: dis-ba-rik os-teo-ne-kro-sis) is a medical condition that affects the bones. It is often associated with diving and exposure to changes in atmospheric pressure, hence the term 'dysbaric'.
Etymology
The term 'Dysbaric osteonecrosis' is derived from three Greek words: 'dys' meaning difficult or bad, 'baros' meaning weight, and 'osteon' meaning bone. 'Necrosis' is a Latin term for the death of cells or tissues.
Definition
Dysbaric osteonecrosis is a form of osteonecrosis, or death of bone tissue, that occurs due to rapid changes in pressure. This condition is most commonly seen in divers, particularly those who engage in deep-sea or commercial diving.
Causes
The primary cause of dysbaric osteonecrosis is the formation of gas bubbles within the body due to rapid decompression, a phenomenon known as decompression sickness. These bubbles can block blood vessels, leading to a lack of oxygen and nutrients to the bone tissue, resulting in necrosis.
Symptoms
Symptoms of dysbaric osteonecrosis may include pain in the affected bone, limited range of motion, and in severe cases, fractures. The condition most commonly affects the shoulders, hips, and knees.
Diagnosis
Diagnosis of dysbaric osteonecrosis typically involves imaging tests such as X-rays or MRI scans. A bone scan may also be used to identify areas of decreased blood flow to the bones.
Treatment
Treatment for dysbaric osteonecrosis primarily involves managing symptoms and preventing further bone damage. This may include pain management, physical therapy, and in some cases, surgery.
Prevention
Prevention strategies for dysbaric osteonecrosis include proper training in diving techniques, particularly in relation to decompression procedures, and regular health checks for divers.
See also
External links
- Medical encyclopedia article on Dysbaric osteonecrosis
- Wikipedia's article - Dysbaric osteonecrosis
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