Association between age and use of intensive care among surgical Medicare beneficiaries

Hannah Wunsch, Hayley B. Gershengorn, Carmen Guerra, John Rowe, Guohua Li

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Purpose: The purpose of this study is to determine the role age plays in use of intensive care for patients who have major surgery. Materials and Methods: Retrospective cohort study examining the association between age and admission to an intensive care unit (ICU) for all Medicare beneficiaries 65 years or older who had a hospitalization for 1 of 5 surgical procedures: esophagectomy, cystectomy, pancreaticoduodenectomy, elective open abdominal aortic aneurysm repair (open AAA), and elective endovascular abdominal aortic aneurysm repair (endo AAA) from 2004 to 2008. The primary outcome was admission to an ICU. Secondary outcomes were complications and hospital mortality. We used multilevel mixed-effects logistic regression to adjust for other patient and hospital-level factors associated with each outcome. Results: The percentage of hospitalized patients admitted to ICU ranged from 41.3% for endo AAA to 81.5% for open AAA. In-hospital mortality also varied, from 1.1% for endo AAA to 6.8% for esophagectomy. After adjusting for other factors, age was associated with admission to ICU for cystectomy (adjusted odds ratio [AOR], 1.56 [95% confidence interval, 1.36-1.78] for age 80-84. + years; 2.25 [1.85-2.75] for age 85. + years compared with age 65-69 years), pancreaticoduodenectomy (AOR, 1.26 [1.06-1.50] for age 80-84 years; 1.49 [1.11-1.99] for age 85. + years), and esophagectomy (AOR, 1.26 [1.02-1.55] for age 80-84 years; 1.28 [0.91-1.80] age 85. + years). Age was not associated with use of intensive care for open AAA or endo AAA. Older age was associated with increases in complication rates and in-hospital mortality for all 5 surgical procedures. Conclusions: The association between age and use of intensive care was procedure specific. Complication rates and in-hospital mortality increased with age for all 5 surgical procedures.

Original languageEnglish (US)
Pages (from-to)597-605
Number of pages9
JournalJournal of Critical Care
Volume28
Issue number5
DOIs
StatePublished - Oct 1 2013

Keywords

  • Aged
  • Hospital mortality
  • Intensive care unit
  • Surgical procedures
  • Triage

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine

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