Several studies have shown that chronic opioid analgesic use is associated with increased risk of new-onset depression. It is not known if patients with remitted depression are at increased risk of relapse after exposure to opioid analgesics. A retrospective cohort design using patient data from the Veterans Health Administration (VHA; n = 5,400), and Baylor Scott & White Health (BSWH; n = 842) was performed with an observation period in the VHA from 2002 to 2012 and in the BSWH from 2003 to 2012.
from The Journal of Pain http://ift.tt/1Qewkw1
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