R
Ryan N. Hansen
Researcher at University of Washington
Publications - 125
Citations - 4149
Ryan N. Hansen is an academic researcher from University of Washington. The author has contributed to research in topics: Medicine & Cost effectiveness. The author has an hindex of 26, co-authored 112 publications receiving 3377 citations. Previous affiliations of Ryan N. Hansen include Oregon Health & Science University & Group Health Research Institute.
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Journal ArticleDOI
The Effectiveness and Risks of Long-Term Opioid Therapy for Chronic Pain: A Systematic Review for a National Institutes of Health Pathways to Prevention Workshop
Roger Chou,Judith A. Turner,Emily B Devine,Ryan N. Hansen,Sean D. Sullivan,Ian Blazina,Tracy Dana,Christina Bougatsos,Richard A. Deyo +8 more
TL;DR: In this paper, a review found that prescriptions of opioid medications for chronic pain have increased dramatically, as have opioid overdoses, abuse, and other harms and uncertainty about long-term effectiveness.
Journal ArticleDOI
Adherence to oral migraine-preventive medications among patients with chronic migraine:
Zsolt Hepp,David W. Dodick,Sepideh F. Varon,Patrick Gillard,Ryan N. Hansen,Emily Beth Devine +5 more
TL;DR: Adherence to OMPMs is low among the US CM population at six months and worsens by 12 months, and except for amitriptylines, nortriptyline, gabapentin, and divalproex, which had significantly lower odds of adherence when compared to topiramate.
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Persistence and switching patterns of oral migraine prophylactic medications among patients with chronic migraine: A retrospective claims analysis.
Zsolt Hepp,David W. Dodick,Sepideh F. Varon,Jenny Chia,Nitya Matthew,Patrick Gillard,Ryan N. Hansen,Emily Beth Devine +7 more
TL;DR: Results indicate that persistence to oral migraine preventive medication (OMPM) is poor at six months and declines further by 12 months, and that persistence worsens as patients cycle through various OMPMs.
Journal ArticleDOI
Economic costs of nonmedical use of prescription opioids.
TL;DR: The economic cost of nonmedical use of prescription opioids in the United States totals more than $50 billion annually; lost productivity and crime account for the vast majority (94%) of these costs.
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The impact of computerized provider order entry on medication errors in a multispecialty group practice
Emily Beth Devine,Ryan N. Hansen,Jennifer L. Wilson-Norton,Nathan M. Lawless,Albert W. Fisk,David K. Blough,Diane P. Martin,Sean D. Sullivan +7 more
TL;DR: A basic CPOE system in a community setting was associated with a significant reduction in medication errors of most types and severity levels, possibly due to few errors in this category.