Osteoporosis

17 December 2015

Serious illness may affect bone health

Researchers say that critical illness may accelerate bone resorption. This is a process that occurs when bone is broken down, and calcium and other minerals released into the bloodstream.

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A critical illness can lead to bone loss, a new study finds.

The research included 66 seniors who spent at least 24 hours on a breathing machine in an intensive care unit (ICU).

One year after their ICU stay, the patients had 1.6 percent less bone density in their lower spines and 1.2 percent less bone density in their thigh bones than would be expected.

Read: Bone loss basics

This bone loss may increase their risk of fractures, according to study author Neil Orford, ICU director at University Hospital Geelong in Australia, and colleagues.

The researchers said critical illness may accelerate bone resorption. This is a process that occurs when bone is broken down, and calcium and other minerals are released into the bloodstream.

A year after an ICU stay, the patients' resorption had returned to normal, but they were left with lower bone density, the study showed.

Read: Eat prunes to improve bone health

The impact of this bone loss depends on a patient's previous bone health, the study authors noted. The change in resorption is likely to have a greater effect on postmenopausal women, Orford said.

The study was published recently in the American Journal of Respiratory and Critical Care Medicine.

"Our study demonstrates a need to investigate the role of anti-resorptive therapies to prevent bone loss in critically ill patients during their time in the hospital and afterwards during recovery," Orford said in a journal news release.

While the study included only ICU patients, it's possible that other hospitalised patients might suffer similar bone loss, the researchers said. 

Read more:

Bone health and milk 

Alcohol may be god for bone health  

Bone health at the risk of your heart 

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Healthy Bones

Tereza is the CEO of the National Osteoporosis Foundation and worked as a Nursing Sister in the field of Osteoporosis for 18 years prior to her appointment with the Foundation. She used to be the Educational Officer for the Foundation and co-wrote the patient brochure on Osteoporosis. Read more

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