Incidence of hospital-acquired pressure injury: a cohort study of adultss admitted to public and private hospitals in Sao Paulo, Brazil.

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This study aimed to estimate the incidence of hospital-acquired pressure injury (PI) and its risk factors in inpatient and intensive care units of five hospitals (two public and three private) in the city of Sao Paulo, Brazil. A 6-month follow-up prospective cohort study (n=1,937) was conducted from April to September 2013. Baseline and follow-up measurements included demographic and care information, as well as risk assessments for both undernutrition (NRS-2002) and PI (Braden scale). Poisson regression with robust variance was used for data analysis. A total of 633 patients (32.60%) showed risk for PI. The incidence rate of PI was of 5.9% (9.9% in public hospitals vs. 4.1% in private hospitals) and was higher in intensive care units, compared to inpatient care units (10% vs. 5.7%, respectively). Risk for PI increased with age (RR=1.05; 95% CI 1.04-1.07); was higher in in public hospitals, compared to private hospitals (RR=4.39; 95% CI 2.92-6.61); in patients admitted for non-surgical reasons compared to those admitted for surgical reasons (RR=1.91; 95% CI 1.12-3.27); in patients with longer hospital stays (RR=1.04; 95% CI 1.03-1.06); high blood pressure (RR=1.76; 95% CI 1.17-2.64); or had a risk for undernutrition (RR=3.51; 95% CI 1.71-7.24). Higher scores in the Braden scale was associated with a decreased risk of PI (RR that 5.9% of all patients developed PI and that the most important factors that nurses should consider are: patient age, care setting, length of hospitalisation, comorbidities, reason for admission and nutrition when planning and implementing PI-preventative actions. This article is protected by copyright. All rights reserved.

View the full article @ Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society
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