Infectious diseases cause significant emergency visits, hospitalizations for older adults

Pneumonia, influenza are among the leading causes of death in older adults, yet too few older people receive immunizations against these illnesses

Date:: February 1, 2016
Source:: American Geriatrics Society
Summary:: In a first-of-its-kind study, researchers calculated that infectious diseases account for 13.5 percent of emergency room (ER) visits involving older adults -- a higher percentage than ER visits for heart attacks and congestive heart failure combined. Infectious diseases are those that can be passed from person-to-person and caused by viruses, bacteria, or parasites.
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In a first-of-its-kind study published in the Journal of the American Geriatrics Society, researchers calculated that infectious diseases account for 13.5 percent of emergency room (ER) visits involving older adults--a higher percentage than ER visits for heart attacks and congestive heart failure combined. Infectious diseases are those that can be passed from person-to-person and caused by viruses, bacteria, or parasites.

In their study, researchers examined claims data involving some 134 million ER visits and focused on those made by adults aged 65 and older. Here's what they learned:

Lower respiratory tract infections, such as pneumonia, account for 26 percent of all ER visits for infectious diseases. They also accounted for 15 percent of the infectious disease-related deaths during ER visits and hospitalizations.
Pneumonia alone accounts for 17.5 percent of ER visits.
Septicemia, a serious blood infection, accounted for 32 percent of infectious disease-related hospitalizations and 75 percent of infectious disease-related deaths during ER visits and hospitalizations.
People age 85 and older have the highest rate of ER visits for infectious diseases.

The data the researchers examined included more than 3 million ER visits related to infectious diseases. The researchers reported that 57 percent of those visits resulted in hospitalizations; for people aged 85 and older, the rate of hospitalizations was even higher at 66.5 percent.

While infectious disease-related issues are serious, the researchers remain cautiously optimistic that some infectious disease-related ER visits and hospitalizations can be prevented. For example, they noted that roughly 40 percent of older adults do not receive the pneumococcal vaccine, which helps prevent pneumonia, and about one-third of older adults do not receive the influenza vaccine, another tool that can help prevent unnecessary health risks associated with the flu.

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Materials provided by American Geriatrics Society. Note: Content may be edited for style and length.

Journal Reference:

Tadahiro Goto, Kazuki Yoshida, Yusuke Tsugawa, Carlos A. Camargo, Kohei Hasegawa. Infectious Disease-Related Emergency Department Visits of Elderly Adults in the United States, 2011-2012. Journal of the American Geriatrics Society, 2016; 64 (1): 31 DOI: 10.1111/jgs.13836

Cite This Page:

American Geriatrics Society. "Infectious diseases cause significant emergency visits, hospitalizations for older adults." ScienceDaily. ScienceDaily, 1 February 2016. <www.sciencedaily.com/releases/2016/02/160201141728.htm>.

American Geriatrics Society. (2016, February 1). Infectious diseases cause significant emergency visits, hospitalizations for older adults. ScienceDaily. Retrieved November 29, 2023 from www.sciencedaily.com/releases/2016/02/160201141728.htm

American Geriatrics Society. "Infectious diseases cause significant emergency visits, hospitalizations for older adults." ScienceDaily. www.sciencedaily.com/releases/2016/02/160201141728.htm (accessed November 29, 2023).

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