• Abdulsabur Sanni, Spencer Goble, David T Gilbertson, Dawn Johnson, and Mark Linzer.
• Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA.
• J Gen Intern Med. 2024 Jul 1; 39 (9): 166616721666-1672.

BackgroundIn patients who experience frequent vaso-occlusive crises (VOC), opioid dependence may be due to a need for pain control as opposed to addiction; the implications of opioid use disorder (OUD) in this population are unclear.ObjectiveTo compare outcomes in hospitalizations for VOC in those with a history of OUD to those without a history of OUD.DesignA retrospective assessment of hospitalizations for adults in the USA with a primary discharge diagnosis of VOC using the National Inpatient Sample database from 2016 to 2019. We also compared VOC hospitalizations to hospitalizations for all other reasons to assess differences in OUD-associated clinical factors.ParticipantsIn total, 273,460 hospitalizations for VOC; 23,120 (8.5%) of these hospital stays involved a secondary diagnosis of OUD.Main MeasuresPrimary outcomes were length of hospital stay and cost. Mortality was a secondary outcome.Key ResultsHospital length of stay was increased (mean 6.2 vs 4.9 days) in patients with OUD (adjusted rate ratio = 1.24, 95% CI 1.20-1.29, p < 0.001). Mean cost was also higher in those with OUD ($9076) than those without OUD ($8020, p < 0.001). Mortality was decreased in VOC hospitalizations in those with OUD, but the difference was not statistically significant (adjusted OR = 0.64, 95% CI 0.028-1.48, p = 0.30).ConclusionsOUD is associated with increased length of stay and costs in patients with VOC. While there are many possible explanations, providers should consider undertreatment of pain due to addiction concerns as a potential factor; individualized pain plans to mitigate this challenge could be explored.© 2024. The Author(s), under exclusive licence to Society of General Internal Medicine.

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