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Poor Sleep Worsens Recovery From Chronic Low Back Pain
Sleep problems may decrease the likelihood of recovery from chronic low back pain (LBP) over the long term and those who have musculoskeletal pain on top of insomnia have an even lower possibility of recovery, a study has found.
“The probability of recovery [from LBP] is especially low among persons who often/always experience sleeplessness and who also suffer from co-occurring musculoskeletal pain,” the researchers write.
“Preventing or reducing sleep problems among people with chronic LBP may have the potential of improving the long-term prognosis,” they add.
Eivind Schjelderup Skarpso, PhD, Norwegian University of Science and Technology, Trondheim, and colleagues with the HUNT study, published their findings online December 4 in the Journal of Epidemiology & Community Health.
LBP represents the leading cause of years lived with disability worldwide. Sleep problems often go along with LBP and have been linked to increased pain intensity as well as persistence of pain. The mechanism remains unknown; however, some studies have suggested that poor sleep may increase inflammation in the body and change how the brain processes pain.
Often, pain in muscles and other joints accompany LBP and, again, the impact of insomnia and musculoskeletal pain on long-term recovery are not well understood.
The reasons for the lower likelihood of recovery among women compared with men may be a result of chance or could be related to sex differences in how sleep affects processing of pain in the brain, the researchers explain.
Study limitations include the fact that assessment of sleeplessness did not fulfill criteria for a diagnosis of insomnia, according to International Classification of Sleep Disorders (ICSD-3) criteria. In addition, the researchers could not assess changes over time in sleeplessness, insomnia, and co-occurring musculoskeletal pain, so they were unable to evaluate whether improvement or worsening in these factors affects recovery from LBP.
J Epidemiol Community Health. Published online December 4, 2019. Abstract
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