• Peter W Greenwald, Michael E Stern, Tony Rosen, Sunday Clark, and Neal Flomenbaum.
• Emergency Department, Weill Cornell Medical College, New York, NY. Electronic address: pg2014@columbia.edu.
• Am J Emerg Med. 2014 Apr 1;32(4):311-4.

IntroductionGeriatric patients are more likely than younger patients to be admitted to the hospital when they present to the emergency department (ED). Identifying trends in geriatric short-stay admission may inform the development of interventions designed to improve acute care for the elderly.ObjectiveTo evaluate trends in US geriatric short-stay hospitalizations from 1990 to 2010.MethodsRetrospective study using the National Hospital Discharge Survey (NHDS). Trends in short-stay hospitalizations were analyzed from 1990 to 2010 for age groups 22 to 64, 65 to 74, 75 to 84, and at least 85 years using linear regression.ResultsA total of 4.5 million survey visits representing 580 million adult hospitalizations were available for analysis; 250 million (43%) were among patients 65 years or older. Of these, 12%, 25%, and 40% were ≤ 1, ≤ 2 and ≤ 3 days' short-stay admissions, respectively. Between 1990 and 2010, short-stay admissions increased as a percentage of total hospitalizations for each geriatric age group but remained relatively constant for younger adults. Admissions from NHDS were similar to admissions from the ED for years where ED-specific data were available. The older a patient was (age >65 years), the more likely their admission was to have started in the ED.DiscussionFor all elderly patients, short-stay admissions represented a growing proportion of total admissions, regardless of the definition of short stay. These trends were identified despite the NHDS exclusion of observation status hospitalizations. The increase in short-stay admissions was the most pronounced in the extreme elderly (age ≥ 85 years). Future research is needed to optimize treatment for geriatric patients presenting to the ED, some of whom, with brief observation and appropriate follow-up, may be better cared for without hospitalization.Copyright © 2014 Elsevier Inc. All rights reserved.

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