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To analyse the risk factors for central venous catheter-related infections in Paediatric Intensive Care Unit (PICU) patients, construct a risk prediction model and propose preventive strategies to reduce infection rates and improve patient outcomes.
A retrospective cohort study was conducted to identify risk factors and develop a predictive model for central venous catheter-associated infections in PICU patients.
Clinical data from 312 PICU patients with central venous catheters hospitalised between September 2020 and August 2022 were retrospectively analysed. Patients were divided into an infection group (55 cases) and a no-infection group (257 cases). Univariate analysis identified potential risk factors, and multivariate logistic regression was used to construct a predictive model. The model's performance was evaluated using Receiver Operating Characteristic (ROC) curves, calibration curves and decision curve analysis.
The incidence of central venous catheter-related infections in PICU patients was 17.26%. Prolonged catheter retention and repeated catheterisation were identified as independent risk factors, while heparin sealing and increased frequency of auxiliary material changes were protective factors. The predictive model achieved an area under the curve (AUC) of 0.793, demonstrating good accuracy and clinical utility.
The risk prediction model for central venous catheter-associated infections in PICU patients is simple, accurate and clinically valuable. It supports early identification of high-risk patients and informs targeted preventive measures to reduce infection rates and improve patient outcomes.
At present, it is still controversial whether patients in intensive care unit (ICU) use tracheal intubation with or without cuff. This paper evaluates the effect of tracheal intubation with and without cuff on overall complication rate of patients with intubation in ICU. The database of PubMed, Embase, Conchrane Library and Web of Science was searched by computer, and the clinical research on intubation with and without cuff in ICU was collected. The time range was from the database establishment to November 2023. Literature was independently screened, information was extracted, and quality was assessed by two researchers. Finally, there were nine studies included, with 11 068 patients (7391 in cuff group and 3677 in non-cuff group). The results showed that the overall complication rate of cuff group was significantly lower than that of non-cuff group, and that of cuff group (RR = 0.53, p < 0.01). In addition, compared with the non-cuff group, the cuff group had a lower number of tracheal intubation changes [RR = 0.05, p < 0.01] and a lower incidence of aspiration pneumonia (RR = 0.45, p = 0.01). Compared with the non-cuff group, the cuff group had a higher incidence of oral mucosal ulcers and pharyngitis (RR = 1.99, p = 0.04), while the cuff group had a lower incidence of laryngeal edema (RR = 0.39, p < 0.01). In ICU intubation patients, the use of cuffs reduces overall complication rate in comparison to patients without cuffs. Therefore, patients with intubation in ICU can recommend tracheal intubation with cuff.
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