Joan M Teno1, Pedro Gozalo2, Nita Khandelwal3, J Randall Curtis4, David Meltzer5, Ruth Engelberg4, Vincent Mor6. 1. Department of Gerontology and Geriatrics, University of Washington, Seattle2Cambia Palliative Care Center of Excellence, University of Washington Medicine, Seattle. 2. Department of Health Services, Policy & Practice, Brown University School of Public Health, Providence, Rhode Island. 3. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle. 4. Cambia Palliative Care Center of Excellence, University of Washington Medicine, Seattle5Division of Pulmonary and Critical Care, Department of Medicine, University of Washington, Seattle. 5. Department of Medicine, University of Chicago, Chicago, Illinois. 6. Department of Health Services, Policy & Practice, Brown University School of Public Health, Providence, Rhode Island7Providence Veterans Administration Hospital, Providence, Rhode Island.
Abstract
IMPORTANCE: Mechanical ventilation may be lifesaving, but in certain persons, such as those with advanced dementia, it may prolong patient suffering without a clear survival benefit. OBJECTIVE: To describe the use and outcomes of mechanical ventilation and its association with the increasing numbers of intensive care unit (ICU) beds in the United States for patients with advanced dementia residing in a nursing home 120 days before that hospital admission. DESIGN, SETTING, AND PARTICIPANTS: This retrospective cohort study evaluated Medicare beneficiaries with advanced dementia hospitalized from January 1, 2000, to December 31, 2013, using the Minimum Data Set assessments linked with Medicare part A claims. A hospital fixed-effect, multivariable logistic regression model examined the effect of changes in ICU beds within individual hospitals and the likelihood of receiving mechanical ventilation, controlling for patients' demographic characteristics, function, and comorbidities. MAIN OUTCOMES AND MEASURES: Mechanical ventilation. RESULTS: From 2000 to 2013, a total of 635 008 hospitalizations of 380 060 eligible patients occurred (30.5% male and 69.5% female; mean [SD] age, 84.4 [7.4] years). Use of mechanical ventilation increased from 39 per 1000 hospitalizations in 2000 to 78 per 1000 hospitalizations in 2013 (P < .001, test of linear trend). As the number of ICU beds in a hospital increased over time, patients with advanced dementia were more likely to receive mechanical ventilation (ie, adjusted odds ratio per 10 ICU bed increase, 1.06; 95% CI, 1.05-1.07). In 2013, hospitals in the top decile in the number of ICU beds were reimbursed $9611.89 per hospitalization compared with $8050.24 per hospitalization in the lower decile (P < .001) without an improvement in 1-year mortality (65.2% vs 64.6%; P = 54). CONCLUSIONS AND RELEVANCE: Among hospitalized nursing home residents with advanced dementia, we found an increase in the use of mechanical ventilation over time without substantial improvement in survival. This increase in the use of mechanical ventilation was associated with an increase in the number of ICU beds within a hospital.
IMPORTANCE: Mechanical ventilation may be lifesaving, but in certain persons, such as those with advanced dementia, it may prolong patient suffering without a clear survival benefit. OBJECTIVE: To describe the use and outcomes of mechanical ventilation and its association with the increasing numbers of intensive care unit (ICU) beds in the United States for patients with advanced dementia residing in a nursing home 120 days before that hospital admission. DESIGN, SETTING, AND PARTICIPANTS: This retrospective cohort study evaluated Medicare beneficiaries with advanced dementia hospitalized from January 1, 2000, to December 31, 2013, using the Minimum Data Set assessments linked with Medicare part A claims. A hospital fixed-effect, multivariable logistic regression model examined the effect of changes in ICU beds within individual hospitals and the likelihood of receiving mechanical ventilation, controlling for patients' demographic characteristics, function, and comorbidities. MAIN OUTCOMES AND MEASURES: Mechanical ventilation. RESULTS: From 2000 to 2013, a total of 635 008 hospitalizations of 380 060 eligible patients occurred (30.5% male and 69.5% female; mean [SD] age, 84.4 [7.4] years). Use of mechanical ventilation increased from 39 per 1000 hospitalizations in 2000 to 78 per 1000 hospitalizations in 2013 (P < .001, test of linear trend). As the number of ICU beds in a hospital increased over time, patients with advanced dementia were more likely to receive mechanical ventilation (ie, adjusted odds ratio per 10 ICU bed increase, 1.06; 95% CI, 1.05-1.07). In 2013, hospitals in the top decile in the number of ICU beds were reimbursed $9611.89 per hospitalization compared with $8050.24 per hospitalization in the lower decile (P < .001) without an improvement in 1-year mortality (65.2% vs 64.6%; P = 54). CONCLUSIONS AND RELEVANCE: Among hospitalized nursing home residents with advanced dementia, we found an increase in the use of mechanical ventilation over time without substantial improvement in survival. This increase in the use of mechanical ventilation was associated with an increase in the number of ICU beds within a hospital.
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