Purpose: Little is known regarding the burden of infections and clinical practice towards hospitalized patients with limits on life-sustaining measures. We aim to describe the infectious syndromes, clinical care, the emergence of multi-drug resistant organisms and outcomes in this population.
Patients and methods: Retrospective cohort of patients labeled as support or comfort care in a tertiary care center between 2016-2019.
Results: A total of 347 patients were included with a mean age of 68.5 years, who were predominantly males (59.94%), bedbound (69.74%), on tube feeding (66.86%), and required indwelling urinary catheters (61.96%). The total number of admissions during the first year was 498, with the mean length of stay being 30 days. The number of infectious syndromes identified during that period was 821episodes, with a mean of 2 infectious syndromes per admission. The most common infection identified was pneumonia (41.66%) followed by urinary tract infections (27.16%). A total of 3891 microbiological cultures were taken with a mean of 5 cultures per infectious syndrome. The most commonly identified pathogens were Gram-negative bacteria (61.03%), with a high rate of multidrug-resistant organisms (MDROs) (48.53%). The one-year mortality was 86.4%. Using carbapenem antibiotic and pneumonia were the independent predictors used for the MDROs.
Conclusion: Our study reflects the high burden of infections, antimicrobial resistance, and hospital admissions among a population with limited life expectancy. A consensus regarding investigating and managing of infectious syndromes, and antimicrobial prescription is needed to reduce the harms associated with overuse of antimicrobials.
Keywords: Antibiotic; Antimicrobial; Comfort care; End of life; Goals of care; Infections; Long-term care residents; No code; Resistance; Support care.
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