Subsequent Pressure Injury Development in Mechanically Ventilated Critical Care Patients with Hospital-Acquired Pressure Injury: A Retrospective Cohort Study

Abstract

OBJECTIVE To identify factors associated with subsequent hospital-acquired pressure injury (HAPrI) formation among patients in surgical and cardiovascular surgical ICUs with an initial HAPrI. METHODS Patients admitted to a level 1 trauma center and academic medical center in the Western US between 2014 and 2018 were eligible for this retrospective cohort study. Inclusion criteria were development of an HAPrI stage 2 or above, age older than 18 years, the use of mechanical ventilation for at least 24 hours, and documentation of a risk-based HAPrI-prevention plan including repositioning at least every 2 hours. The primary outcome measure was development of a second, subsequent HAPrI stage 2 or higher. Potential predictor variables included demographic factors, shock, Charleston comorbidity score, blood gas and laboratory values, surgical factors, vasopressor infusions, levels of sedation or agitation, Braden Scale scores, and nursing skin assessment data. RESULTS The final sample consisted of 226 patients. Among those, 77 (34%) developed a second HAPrI. Independent risk factors for subsequent HAPrI formation were decreased hemoglobin (odds ratio, 0.71; 95% confidence interval [CI], 0.53–0.92; P < .000), vasopressin infusion (odds ratio, 2.20; 95% CI, 1.17–4.26; P = .02), and longer length of stay in the ICU (odds ratio, 1.01; 95% CI, 1.00–1.02; P = .009). CONCLUSIONS Patients with an HAPrI are at high risk of subsequent HAPrI development. Anemia, vasopressin infusion, and longer ICU stays are independent risk factors for repeat HAPrI formation.

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Explainable Artificial Intelligence for Predicting Hospital-Acquired Pressure Injuries in COVID-19–Positive Critical Care Patients

“…Adult patients who tested positive for COVID-19 and admitted to one of two medical ICUs at a single level-1 trauma center and academic medical center between April 2020 and April 2021 were eligible for inclusion in the study. Patients with a pre-existing (community-acquired) pressure injury were included because of the increased likelihood of developing an additional pressure injury after hospitalization 16 …”

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