Effect of antidepressant use on length of hospitalization in patients on anti-infective therapy

Link to article at PubMed

J Psychiatr Res. 2020 Dec 19;134:97-101. doi: 10.1016/j.jpsychires.2020.12.050. Online ahead of print.


Compared to those without depression, acutely-ill patients with depression hospitalized for an infection usually have poor outcomes, including increased length of stay (LOS).

PURPOSE: The primary objective was to evaluate the LOS between patients receiving an anti-infective with and without any antidepressant use. Secondary objectives were to examine LOS based on acuity of care and age.

METHODS: Using a cross-sectional design, hospitalized adult patients who received anti-infective agents between January 1, 2017 and October 31, 2019 for ≥7 days were included. Univariate and multivariate analyses were conducted to determine statistical significance.

RESULTS: A total of 17,651 patient encounters were included in the study. Of all patient encounters, 5165 (29%) received antidepressants concurrently with anti-infectives, with mean age of 57 years ± 17.3. Patients receiving concurrent antidepressants experienced longer LOS compared with patients not receiving antidepressants [20 vs 16 days, 95% confident interval (CI): 3.98-5.18, p < 0.001]. Stratified by intensive care unit (ICU) admission during hospital encounters and age ≥ 65 years, patients receiving antidepressants had longer LOS (25 vs 18 days, CI: 5.63-8.61, p < 0.001, and 18 vs 15 days, CI: 2.39-4.04, p < 0.001, respectively). After controlling for gender and ethnicity, antidepressant use and ICU admission were independently associated with increased LOS.

CONCLUSION: Patients who received both an antidepressant and an anti-infective agent had significantly increased LOS, including those in the ICU and in the elderly population. Future studies are needed to assess the impact of concomitant antidepressant use on mortality and other clinical outcomes in patients hospitalized with an infection.

PMID:33383496 | DOI:10.1016/j.jpsychires.2020.12.050

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