Orthogeriatric co-management reduces incidence of delirium in hip fracture patients
Peer reviewed, Journal article
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Original versionOsteoporosis International. 2021, Artikkel s00198-021-05974-8. 10.1007/s00198-021-05974-8
Summary: Hip fracture patients often display an acute confusional state (delirium) which is associated with worse outcomes. In this observational study, we found that co-management of hip fracture patients by a multidisciplinary team including a geriatrician and an orthopaedic surgeon could reduce the incidence of delirium. Introduction: Delirium after hip fracture is common and is associated with negative outcomes. We investigated if orthogeriatric co-management reduced the incidence of delirium in hip fracture patients. Methods: In this single-centre, prospective observational study, we compared the incidence of delirium and subsyndromal delirium (SSD) before (usual care group, n = 94) and after (orthogeriatric group, n = 103) the introduction of orthogeriatric co-management as an integrated caremodel. The outcomemeasure ‘no delirium/SSD/delirium’ was treated as an ordinal variable and analysed using the chi-squared test and multivariable ordinal logistic regression. Results: The groups had similar baseline characteristics except for a higher proportion of patients with pre-existing cognitive impairment in the usual care group (51% vs. 37%, p = 0.045). Fewer patients in the orthogeriatric group developed SSD or delirium (no delirium: 59% vs. 40%/SSD: 6% vs. 13%/delirium: 35% vs. 47%; p = 0.021). The number needed to treat (NNT) to avoid one case of SSD or deliriumwas 5.3 (95%CI: 3.1 to 19.7). In a multivariable analysis adjusted for age, sex, ASA class, preexisting cognitive impairment, time to surgery, type of surgery, and medical or surgical complications, the odds ratio for the development of SSD/delirium was lower in the orthogeriatric group (OR = 0.46, 95% CI: 0.23–0.89, p = 0.023). Conclusion: Orthogeriatric co-management as an integrated care model reduced the incidence of SSD/delirium in hip fracture patients.
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