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20 October 2016 : Clinical Research  

Intensive Care Unit (ICU) - Managed Elderly Hospitalizations with Dementia in Texas, 2001–2010: A Population-Level Analysis

Lavi OudABCDEFG

DOI: 10.12659/MSM.897760

Med Sci Monit 2016; 22:3849-3859

Abstract

BACKGROUND: The demand for critical care services among elderly with dementia outpaces that of their non-dementia elderly counterparts. However, there are scarce data on the corresponding attributes among ICU-managed patients with dementia.

MATERIAL AND METHODS: We used the Texas Inpatient Public Use Data File to examine temporal trends of the demographics, burden of comorbidities, measures of severity of illness, use of healthcare resources, and short-term outcomes among hospitalizations aged 65 years or older with a reported diagnosis of dementia, who were admitted to ICU (D-ICU hospitalizations) between 2001 and 2010. Average annual percent changes (AAPC) were derived.

RESULTS: D-ICU hospitalizations (n=276,056) had increasing mean (SD) Charlson comorbidity index [1.7 (1.5) vs. 2.6 (1.9)], with reported organ failure (OF) nearly doubling from 25% to 48.5%, between 2001–2001 and 2009–2010, respectively. Use of life support interventions was infrequent, but rose in parallel with corresponding changes in respiratory and renal failure. Median total hospital charges increased from $26,442 to $36,380 between 2001–2002 and 2009–2010. Routine home discharge declined (–5.2%/year [–6.2%– –4.1%]) with corresponding rising use of home health services (+7.2%/year [4.4–10%]). Rates of discharge to another hospital or a nursing facility remained unchanged, together accounting for 60.4% of discharges of hospital survivors in 2010. Transfers to a long-term acute care hospital increased 9.2%/year (6.9–11.5%). Hospital mortality (7.5%) remained unchanged.

CONCLUSIONS: Elderly D-ICU hospitalizations have increasing comorbidity burden, with rising severity of illness, and increasing use of health care resources. Though the majority survived hospitalization, most D-ICU hospitalizations were discharged to another facility.

Keywords: Delivery of Health Care - trends, Aged, 80 and over, Dementia - therapy, Hospitalization - trends, Intensive Care Units - trends, Outcome Assessment (Health Care), Texas - epidemiology

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750