Jessica Potts j.e.potts@keele.ac.uk
The influence of Elixhauser comorbidity index on percutaneous coronary intervention outcomes
Potts, J; Nagaraja, V; Al suwaidi, J; Brugaletta, S; Martinez, S; Alraies, C; Fischman, D; Nolan, J; Mylotte, D; Mamas, M; Kwok, CS
Authors
V Nagaraja
J Al suwaidi
S Brugaletta
S Martinez
C Alraies
D Fischman
James Nolan j.nolan@keele.ac.uk
D Mylotte
Mamas Mamas m.mamas@keele.ac.uk
CS Kwok
Abstract
Background
Clinical outcomes with respect to the evolution of comorbidity burden in national cohorts of patients undergoing PCI have not been reported.
Objectives
We sought to explore the association between comorbidity burden and periprocedural outcomes in patients treated with PCI in the National Inpatient Sample.
Methods
6,601,526 PCI procedures were identified between 2004 and 2014 and comorbidities were defined by the Elixhauser classification system (ECS) consisting of 30 comorbidity measures. Endpoints included in-hospital mortality, periprocedural complications, length of stay and cost. Patients were classified based on their ECS in five categories (ECS I?< 0, ECS II?= 0, ECS III?= 1–5, ECS IV?= 6–13, and ECS V?=?14).
Results
Patients with a score over 13 had a fivefold increase in the odds of mortality (OR: 5.13, 95% CI: 4.76–5.54), major bleeding (OR: 11.46, 95% CI: 10.66–12.33) and doubled the hospitalization costs ($31,452 vs $17.566).
Conclusions
Our study of over six million PCI procedures demonstrates that patients with the greatest comorbid burden (as defined by an ECS of >13) have a fivefold increase risk of in-hospital mortality, a fourfold increase in in-hospital periprocedural complications and an 11-fold increase in major bleeding events once differences in baseline patient characteristics are adjusted for. In addition, ECS significantly impacts the length of stay and doubles the healthcare costs. Comorbid burden is an important predictor of poor outcomes after PCI and should be considered as part of the decision-making processes in patients undergoing PCI.
Citation
Potts, J., Nagaraja, V., Al suwaidi, J., Brugaletta, S., Martinez, S., Alraies, C., …Kwok, C. (2019). The influence of Elixhauser comorbidity index on percutaneous coronary intervention outcomes. Catheterization and Cardiovascular Interventions, 94(2), 195-203. https://doi.org/10.1002/ccd.28072
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 26, 2018 |
Publication Date | Aug 1, 2019 |
Journal | Catheterization and Cardiovascular Interventions |
Print ISSN | 1522-1946 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 94 |
Issue | 2 |
Pages | 195-203 |
DOI | https://doi.org/10.1002/ccd.28072 |
Keywords | Elixhauser classification system, healthcare costs, PCI periprocedural complications |
Publisher URL | https://doi.org/10.1002/ccd.28072 |
Files
NIS_Elixhouser_PCI_CCI MM.docx
(145 Kb)
Document
Publisher Licence URL
https://creativecommons.org/licenses/by-nc/4.0/
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