Pediatric Hip Disease Increases the Risk for Opioid Use in Adulthood: Long-term Burden of Pain and Depression.

Wadström MG, Hailer YD

Pain Physician 25 (7) E1153-E1160 [2022-10-00; online 2022-10-27]

Legg-Calvé-Perthes disease (LCPD) and slipped capital femoral epiphysis (SCFE) can result in painful deformation of the hip joint with impaired range of motion and early development of secondary osteoarthritis. It has not been investigated whether having LCPD or SCFE is associated with increased use of pain or antidepressant drug prescriptions later in life. With this study, we aimed to investigate if patients with a history of LCPD or SCFE have an increased risk of prescription analgesic or antidepressant drugs in adulthood compared with matched controls. The included patients were identified by the Swedish Patient Register and matched for age, gender, and residency with 10 control individuals not exposed to any of the mentioned pediatric hip diseases, by the Swedish National Population Register. This was a nationwide, registry-based cohort study which included 1,292 patients diagnosed with LCPD at age 2-15 years and 1,613 patients diagnosed with SCFE at age 5-16 years and > 17 years from 2005 through 2011. Prescription data of first-line analgesic drugs (acetaminophen, nonsteroidal anti-inflammatory drugs, and opioids), or first-line antidepressant drugs (selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, and tricyclic antidepressants) were derived from the Swedish Prescribed Drugs Register. Conditional logistic regression models were fitted to estimate the relative risk for the prescription in exposed compared with unexposed individuals. Adjustment was performed for gender and birth year. In the group with an LCPD diagnosis, the adjusted odds ratio for analgesic prescriptions overall was 1.3 (95% CI, 1.2-1.5). For patients with an SCFE diagnosis, the adjusted odds ratio for analgesic prescriptions overall was 1.4 (95% CI, 1.3-1.6). Among patients with an LCPD diagnosis, the adjusted odds ratio for antidepressant prescriptions overall was 1.0 (95% CI, 0.8-1.2). For patients with an SCFE diagnosis, the adjusted odds ratio was 1.2 (95% CI, 1.1-1.4). As with all register studies, there are known associated biases such as selection, detection, and observational bias as well as the uncertain quality of input data. Further, the Swedish Prescribed Drugs Register only includes drugs that were prescribed by a physician and dispensed at a pharmacy. This is also a factor that may lead to underestimating the use of acetaminophen and nonsteroidal anti-inflammatory drugs, as these drugs can be acquired "over the counter." During childhood, patients with LCPD or SCFE seem to suffer long-term pain and have an increased risk of requiring analgesic medication in adulthood, including opioids. It is important to assess the causes, type, and severity of pain to optimize pain management to counteract possible overuse in these patients. Seemingly, patients with LCPD do not have an increased risk for antidepressant drug therapy in adulthood whereas we did see an increased risk for that in patients with previous SCFE compared with the general population.

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PubMed 36288602