Ester Holmström1, Ilmar Efendijev2, Rahul Raj3, Pirkka T Pekkarinen2, Erik Litonius2, Markus B Skrifvars4. 1. Department of Emergency Care and Services, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. ester.holmstrom@gmail.com. 2. Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki, Helsinki University Hospital, Helsinki, Finland. 3. Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. 4. Department of Emergency Care and Services, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
Abstract
BACKGROUND: Cardiac arrest (CA) is a leading cause of death worldwide. As population ages, the need for research focusing on CA in elderly increases. This study investigated treatment intensity, 12-month neurological outcome, mortality and healthcare-associated costs for patients aged over 75 years treated for CA in an intensive care unit (ICU) of a tertiary hospital. METHODS: This single-centre retrospective study included adult CA patients treated in a Finnish tertiary hospital's ICU between 2005 and 2013. We stratified the study population into two age groups: <75 and [Formula: see text]75 years. We compared interventions defined by the median daily therapeutic scoring system (TISS-76) between the age groups to find differences in treatment intensity. We calculated cost-effectiveness by dividing the total one-year healthcare-associated costs of all patients by the number of survivors with a favourable neurological outcome. Favourable outcome was defined as a cerebral performance category (CPC) of 1-2 at 12 months after cardiac arrest. Logistic regression analysis was used to identify independent associations between age group, mortality and neurological outcome. RESULTS: This study included a total of 1,285 patients, of which 212 (16 %) were [Formula: see text]75 years of age. Treatment intensity was lower for the elderly compared to the younger group, with median TISS scores of 116 and 147, respectively (p < 0.001). The effective cost in euros for patients with a good one-year neurological outcome was €168,000 for the elderly and €120,000 for the younger group. At 12 months after CA 24 % of the patients in the elderly group and 47 % of the patients in the younger group had a CPC of 1-2 (p < 0.001). Age was an independent predictor of mortality (multivariate OR = 2.90, 95 % CI: 1.94-4.31, p < 0.001) and neurological outcome (multivariate OR = 3.15, 95 % CI: 2.04-4.86, p < 0.001). CONCLUSIONS: The elderly ICU-treated CA patients in this study had worse neurological outcomes, higher mortality and lower cost-effectiveness than younger patients. Elderly received less intense treatment. Further efforts are needed to recognize the tools for assessing which elderly patients benefit from a more aggressive treatment approach in order to improve the cost-effectiveness of post-CA management.
BACKGROUND:Cardiac arrest (CA) is a leading cause of death worldwide. As population ages, the need for research focusing on CA in elderly increases. This study investigated treatment intensity, 12-month neurological outcome, mortality and healthcare-associated costs for patients aged over 75 years treated for CA in an intensive care unit (ICU) of a tertiary hospital. METHODS: This single-centre retrospective study included adult CA patients treated in a Finnish tertiary hospital's ICU between 2005 and 2013. We stratified the study population into two age groups: <75 and [Formula: see text]75 years. We compared interventions defined by the median daily therapeutic scoring system (TISS-76) between the age groups to find differences in treatment intensity. We calculated cost-effectiveness by dividing the total one-year healthcare-associated costs of all patients by the number of survivors with a favourable neurological outcome. Favourable outcome was defined as a cerebral performance category (CPC) of 1-2 at 12 months after cardiac arrest. Logistic regression analysis was used to identify independent associations between age group, mortality and neurological outcome. RESULTS: This study included a total of 1,285 patients, of which 212 (16 %) were [Formula: see text]75 years of age. Treatment intensity was lower for the elderly compared to the younger group, with median TISS scores of 116 and 147, respectively (p < 0.001). The effective cost in euros for patients with a good one-year neurological outcome was €168,000 for the elderly and €120,000 for the younger group. At 12 months after CA 24 % of the patients in the elderly group and 47 % of the patients in the younger group had a CPC of 1-2 (p < 0.001). Age was an independent predictor of mortality (multivariate OR = 2.90, 95 % CI: 1.94-4.31, p < 0.001) and neurological outcome (multivariate OR = 3.15, 95 % CI: 2.04-4.86, p < 0.001). CONCLUSIONS: The elderly ICU-treated CA patients in this study had worse neurological outcomes, higher mortality and lower cost-effectiveness than younger patients. Elderly received less intense treatment. Further efforts are needed to recognize the tools for assessing which elderly patients benefit from a more aggressive treatment approach in order to improve the cost-effectiveness of post-CA management.
Authors: Ilmar Efendijev; Daniel Folger; Rahul Raj; Matti Reinikainen; Pirkka T Pekkarinen; Erik Litonius; Markus B Skrifvars Journal: Resuscitation Date: 2018-06-27 Impact factor: 5.262
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