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Review
. 2017 Oct 24:12:1799-1809.
doi: 10.2147/CIA.S149089. eCollection 2017.

Clostridium difficile infection in the elderly: an update on management

Tomefa E Asempa  1 , David P Nicolau  1
Affiliations
Review

Clostridium difficile infection in the elderly: an update on management

Tomefa E Asempa et al. Clin Interv Aging. .

Abstract

The burden of Clostridium difficile infection (CDI) is profound and growing. CDI now represents a common cause of health care-associated diarrhea, and is associated with significant morbidity, mortality, and health care costs. CDI disproportionally affects the elderly, possibly explained by the following risk factors: age-related impairment of the immune system, increasing antibiotic utilization, and frequent health care exposure. In the USA, recent epidemiological studies estimate that two out of every three health care-associated CDIs occur in patients 65 years or older. Additionally, the elderly are at higher risk for recurrent CDI. Existing therapeutic options include metronidazole, oral vancomycin, and fidaxomicin. Choice of agent depends on disease severity, history of recurrence, and, increasingly, the drug cost. Bezlotoxumab, a recently approved monoclonal antibody targeting C. difficile toxin B, offers an exciting advancement into immunologic therapies. Similarly, fecal microbiota transplantation is gaining popularity as an effective option mainly for recurrent CDI. The challenge of decreasing CDI burden in the elderly involves adopting preventative strategies, optimizing initial treatment, and decreasing the risk of recurrence. Expanded strategies are certainly needed to improve outcomes in this high-risk population. This review considers available data from prospective and retrospective studies as well as case reports to illustrate the merits and gaps in care related to the management of CDI in the elderly.

Keywords: Clostridium difficile; aging; bezlotoxumab; elderly; fecal microbiota transplant; recurrence; risk factors; treatment.

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Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

Figures

Figure 1
Figure 1
Incidence of nosocomial Clostridium difficile infection. Notes: The overall incidence of nosocomial C. difficile infection is shown by year (blue), as is the incidence according to patient age (black). From N Engl J Med, Leffler DA, Lamont JT, Clostridium difficile infection, 372(16):1539–1548. Copyright © (2015) Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society.
See this image and copyright information in PMC

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