Parmer, S, Mohamed, MO ORCID: https://orcid.org/0000-0002-9678-5222, Wilkie, R ORCID: https://orcid.org/0000-0003-4825-714X and Mamas, M ORCID: https://orcid.org/0000-0001-9241-8890 (2020) The association between osteoarthritis and invasive treatment and clinical outcomes in 6.5 million patients presenting with acute myocardial infarction. European Heart Journal, 41 (S2). 1660 - 1660.

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Abstract

Background
People with osteoarthritis (OA) have an increased risk of cardiovascular disease, including acute myocardial infarction (AMI). Despite OA being the most common joint condition and the fastest increasing major health condition, there is limited information on the management strategies and subsequent outcomes of OA patients presenting with AMI.

Purpose
To describe the association between OA and invasive management strategies (including coronary angiography (CA), percutaneous coronary intervention (PCI), and coronary artery bypass grafting (CABG)) and clinical outcomes.

Methods
We analysed all hospitalisations for AMI between 2004 and 2015 recorded in the National Inpatient Sample (NIS), the largest inpatient electronic health record database in the United States. The proportion of patients receiving CA, PCI, and CABG were compared between patients with and without OA, as were the proportions of in-hospital adverse events including major acute cardiovascular and cerebrovascular events (MACCE; composite of mortality, cardiac complications and acute stroke), in-hospital mortality, stroke, and major bleeding. Multivariate logistic regression modelling with adjustment for potential confounders (demographics, medical history, and comorbidities) was performed to examine associations between OA and in-hospital clinical outcomes; results are expressed as adjusted odds ratios (AdjOR) with 95% confidence intervals (95% CI).

Results
A total of 6,561,940 people were hospitalised for AMI between January 2004 and September 2015, of which 444,217 (6.8%) had a concurrent diagnosis of OA. On average, those with OA were older (median: 77 vs. 67 years), more likely to be female (55.7% vs. 38.6%), and less likely to receive CA (55.3% vs. 65.2%), PCI (33.3% vs. 43.6%), and CABG (7.4% vs. 8.5%) (Figure 1A, p<0.001 for all). After adjustment for confounders, OA was associated with a lower likelihood of receiving CA (AdjOR 0.89; 95% CI 0.87, 0.90), PCI (0.85; 0.84, 0.87), and CABG (0.92; 0.90, 0.94). With reference to outcomes, OA was associated with lower likelihood of in-hospital adverse events (MACCE: AdjOR 0.71; 95% CI 0.69, 0.72; in-hospital mortality: 0.69; 0.67, 0.71; stroke: 0.81; 0.77, 0.85; and major bleeding: 0.73; 0.70, 0.75) (Figure 1B, p<0.001 for all).

Conclusion
In a national cohort of AMI hospitalisations, patients with OA were less likely to receive invasive management compared to those without OA. However, they were also less likely to experience adverse events. Further work is required to investigate treatment disparities in this increasingly prevalent patient group when presenting with AMI.

Item Type: Article
Additional Information: The final version of this manuscript and all relevant information, including conference information, can be found online at; https://academic.oup.com/eurheartj/article/41/Supplement_2/ehaa946.1660/6003376 https://www.escardio.org/Congresses-&-Events/World-cardio-agenda/esc-congress-2020
Subjects: R Medicine > R Medicine (General) > R735 Medical education. Medical schools. Research
R Medicine > RA Public aspects of medicine
R Medicine > RC Internal medicine > RC925 Diseases of the musculoskeletal system
R Medicine > RC Internal medicine > RC927 Rheumatism
Divisions: Faculty of Medicine and Health Sciences > School of Primary, Community and Social Care
Related URLs:
Depositing User: Symplectic
Date Deposited: 24 Feb 2021 09:24
Last Modified: 24 Feb 2021 09:24
URI: https://eprints.keele.ac.uk/id/eprint/9176

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