Healthcare-Associated Pneumonia in the ICU: Guideline-Concordant Antibiotics and Outcome

Attridge, R.T. et al. Journal of Critical Care | Published online: August 11, 2016

L0075034 An intensive care unit in a hospital.

Image source: Robert Priseman – Wellcome Library // CC BY-NC-ND 4.0

Purpose: Recent data have not demonstrated improved outcomes when guideline-concordant (GC) antibiotics are given to patients with healthcare-associated pneumonia (HCAP). This study was designed to evaluate the relationship between health outcomes and GC therapy in patients admitted to an ICU with HCAP.

Materials and Methods: We performed a population-based cohort study of patients admitted to >150 hospitals in the U.S. Veterans Health Administration system to compare baseline characteristics, bacterial pathogens, and health outcomes in ICU patients with HCAP receiving either GC-HCAP therapy, GC community-acquired pneumonia (GC-CAP) therapy, or non-GC therapy. The primary outcome was 30-day patient mortality. Risk factors for the primary outcome were assessed in a multivariable logistic regression model.

Results: A total of 3593 patients met inclusion criteria and received GC-HCAP therapy (26%), GC-CAP therapy (23%), or non-GC therapy (51%). GC-HCAP patients had higher 30-day patient mortality compared to GC-CAP patients (34% vs. 22%, P < .0001). After controlling for confounders, risk factors for 30-day patient mortality were vasopressor use (OR, 95% CI; 1.67, 1.30–2.13), recent hospital admission (1.53, 1.15–2.02), and receipt of GC-HCAP therapy (1.51, 1.20–1.90).

Conclusions: Our data do not demonstrate improved outcomes among ICU patients with HCAP who received GC-HCAP therapy.

Read the abstract here

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