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Open Access Risk Factors for Intraoperative Pressure Injury in Aortic Surgery: A Nested Case-Control Study

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Aims and Objectives: The aim of this study was to identify risk factors associated with an increased risk of intraoperative pressure injury in patients undergoing aortic surgery.

Background: Intraoperative pressure injuries are some of the most significant health problems in clinical practice. According to previous studies, patients undergoing aortic surgery are at high risk of developing an intraoperative pressure injury, with an incidence much higher than that associated with other types of cardiac surgery.

Design: This was a nested case-control study.

Methods: Following the STROBE checklist, a nested case-control approach was adopted in this study. A patient cohort was selected on the basis of inclusion and exclusion criteria from patients undergoing aortic surgery. Data were collected from these patients by means of a tailored questionnaire designed in-house. Patients with intraoperative pressure injury at the end of surgery were identified as the case group, while the control group consisted of patients without intraoperative pressure injury. Patients in the groups underwent 1:1 matching based on age and sex. Initially, a single-factor analysis was conducted between the two groups. Subsequently, risk factors for intraoperative pressure injury were identified through conditional logistic regression analysis with use of the variables that exhibited statistically significant differences in the single-factor analysis.

Results: A total of 400 patients were selected. Among these, 167 patients experienced intraoperative pressure injury at an incidence rate of 41.8%. Strict preoperative bed confinement, deep hypothermic circulatory arrest during surgery, application of norepinephrine or dopamine during surgery, and intraoperative skin wetting were associated with the occurrence of intraoperative pressure injury in patients undergoing aortic surgery.

Conclusions: Nurses should thoroughly assess the risk of intraoperative pressure injury and implement appropriate preventative interventions, particularly in high-risk patients undergoing aortic surgery.

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Keywords: Aortic surgery; pressure injury; risk assessment; theater nursing

Document Type: Research Article

Affiliations: 1: Beijing Chaoyang Hospital Affiliated with Capital Medical University, Beijing, China 2: School of Nursing, Capital Medical University, Beijing, China 3: Beijing Anzhen Hospital Affiliated with Capital Medical University, Beijing, China

Publication date: February 1, 2021

This article was made available online on December 2, 2020 as a Fast Track article with title: "Risk Factors for Intraoperative Pressure Injury in Aortic Surgery: A Nested Case-Control Study".

More about this publication?
  • Cardiovascular Innovations and Applications (CVIA) publishes focused articles and original clinical research that explore novel developments in cardiovascular disease, effective control and rehabilitation in cardiovascular disease, and promote cardiovascular innovations and applications for the betterment of public health globally. The journal publishes basic research that has clinical applicability in order to promote timely communication of the latest insights relating to coronary artery disease, heart failure, hypertension, cardiac arrhythmia, prevention of cardiovascular disease with a heavy emphasis on risk factor modification. Cardiovascular Innovations and Applications is the official journal of the Great Wall International Congress of Cardiology (GW-ICC). It aims to continue the work of the GW-ICC by providing a global scientific communication platform for cardiologists that bridges East and West.

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