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Physicians have long observed that binge drinking can significantly impair the healing process following a bone fracture.
Now a study by Loyola University Medical Center researchers is providing insights into how alcohol slows healing on the cellular and molecular levels. The findings could lead to treatments to improve bone healing in alcohol abusers, and possibly non-drinkers as well.
Roman Natoli, MD, PhD, presented findings during the American Society for Bone and Mineral Research 2013 Annual Meeting in Baltimore. Senior author is John Callaci, PhD. The study was funded by the Orthopaedic Research and Education Foundation.
"Many bone fractures are alcohol-related, due to car accidents, falls, shootings, etc.," Natoli said. "In addition to contributing to bone fractures, alcohol also impairs the healing process. So add this to the list of reasons why you should not abuse alcohol."
Researchers studied the effects that alcohol consumption had on bone healing in mice. One group of mice was exposed to alcohol levels roughly equivalent to three times the legal limit for driving. A control group was exposed to equal amounts of saline (salt water).
The study found three ways in which alcohol impaired bone healing after a fracture:
As a follow up to this study, Natoli is planning an animal-model study on two potential treatments to counter the negative effects of alcohol on bone healing. One treatment would be to inject mice with stem cells to improve healing. The other treatment would be the administration of NAc, an antioxidant that combats oxidative stress.
If such treatments were shown to be effective in alcohol abusers, it's possible the treatments also might speed healing in non-drinkers as well, Natoli said.
Natoli is a resident physician in the Department of Orthopaedic Surgery and Rehabilitation at Loyola University Chicago Stritch School of Medicine. Callaci is an assistant professor in the Department of Orthopaedic Surgery and Rehabilitation. The third author is Rachel Mauer, BS, a research technician.
Article adapted by Medical News Today from original press release. Click 'references' tab above for source.
Visit our Bones / Orthopedics category page for the latest news on this subject.
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