Some ICU Admissions May Be Preventable, Saving Money and Improving Care

Oct. 4, 2019─Many admissions to the intensive care unit may be preventable, potentially decreasing health care costs and improving care, according to new research published online in the Annals of the American Thoracic Society.

In “Potentially Preventable Intensive Care Unit Admissions in the United States, 2006 – 2015,” lead author Gary E. Weissman, MD, MSHP, a researcher at the Palliative and Advanced Illness Research Center at the University of Pennsylvania in Philadelphia, and co-authors analyzed more than 16 million ICU admissions and estimated that between one in six and one in seven such admissions might have been avoided.  

“This study was motivated by my experiences caring for patients in the medical ICU who required maximal life support because, a few weeks or months before, they couldn’t afford basic preventive medical services,” Dr. Weissman said.

The researchers analyzed three large data sources from 2006-15: Medicare Fee-for-Service, a Medicare Advantage plan and a large private national insurer. Altogether, the data sources represented nearly two-thirds of U.S. adults age 65 and older and about 13 percent of the entire U.S. population. During this time period, there were nearly 100 million hospital admissions, of which 16.7 percent included an ICU admission.

The authors acknowledge in the article that there is no “gold standard” definition of a preventable ICU admission. For their analysis, they identified two patient groups whose care could potentially be handled better outside the ICU: those with an “ambulatory care sensitive condition” and those with a “life-limiting malignancy” who are nearing the end of their life.

Those in the first group have a chronic or medical condition such as high blood pressure, urinary tract infection or uncontrolled diabetes that with timely outpatient care can prevent the patient from being hospitalized.

Those in the second group are patients with cancer who are likely to die within a year and for whom palliative care may be appropriate. Although the authors only looked at life-limiting malignancy, they noted that ICU admissions may be preventable for other serious illnesses, including chronic lung disease, heart failure and neurodegenerative disorders.

The study also found:

• Over the 10-year time period, ICU hospitalizations for ambulatory care sensitive conditions have been slowly decreasing while the proportion of those in the ICU with a life-limiting malignancy has been increasing.
• There were wide regional differences in ICU admissions and an almost eight-fold difference among states in the rates of ICU admissions.
• The rate of ICU admissions in different geographic areas among these two patient groups appears to be explained partly by the number of ICU beds available.

The authors said these findings may suggest a strategy for the expected increase in ICU services as the U.S. population ages.  “A substantial portion of ICU admissions in the U.S. may be prevented,” they wrote. “Investing in outpatient, preventive and palliative services should therefore be viewed as an important complementary, if not alternative, strategy to increasing the critical care workforce in seeking to provide the best care for the nation’s sickest patients.”

Contact for Media

Gary Weissman, MD, MSHP

[email protected]

Palliative and Advanced Illness Research Center Media Relations

Vanessa L. Madden

[email protected]

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“Study of #hospital admissions in the U.S. over that about 1 in 6 #ICU admissions may be preventable. @atscommunity @AnnalsATSEditor@garyweissman @paircenter @scotthalpermd @mpkerlin @georgeansi @PennLDI @rm_werner @petegroen”

About the Annals of the American Thoracic Society

The AnnalsATS is a peer-reviewed journal published by the American Thoracic Society. The Journal delivers up-to-date and authoritative coverage of adult and pediatric pulmonary and respiratory sleep medicine and adult critical care. The scope of the Journal encompasses content that is applicable to clinical practice, the formative and continuing education of clinical specialists and the advancement of public health. The journal’s impact factor is 4.026.

Editor: Colin Cooke, MD, MS, associate professor in the department of internal medicine at the University of Michigan.

About the American Thoracic Society

Founded in 1905, the American Thoracic Society is the world’s leading medical association dedicated to advancing pulmonary, critical care and sleep medicine. The Society’s 15,000 members prevent and fight respiratory disease around the globe through research, education, patient care and advocacy. The ATS publishes three journals, the American Journal of Respiratory and Critical Care Medicine, the American Journal of Respiratory Cell and Molecular Biology and the Annals of the American Thoracic Society.

The ATS will hold its 2020 International Conference, May 15-20, in Philadelphia, Pennsylvania, where world-renowned experts will share the latest scientific research and clinical advances in pulmonary, critical care and sleep medicine.

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