Heladia García1, Belina Romano-Carro2, Guadalupe Miranda-Novales3, Héctor Jaime González-Cabello2, Juan Carlos Núñez-Enríquez4. 1. Analysis and Synthesis of Evidence Research Unit, National Medical Center, XXI Century, Mexican Social Security Institute, 330 Cuauhtémoc Avenue Col. Doctores. Municipality Cuauhtémoc, C.P., 06720, Mexico City, Mexico. 2. Neonatal Intensive Care Unit, Pediatric Hospital, National Medical Center, XXI Century, Mexican Social Security Institute, Mexico City, Mexico. 3. Analysis and Synthesis of Evidence Research Unit, National Medical Center, XXI Century, Mexican Social Security Institute, 330 Cuauhtémoc Avenue Col. Doctores. Municipality Cuauhtémoc, C.P., 06720, Mexico City, Mexico. guadalumiranda@outlook.es. 4. Clinical Epidemiology Research Unit, Pediatric Hospital, National Medical Center, XXI Century, Mexican Social Security Institute, Mexico City, Mexico.
Abstract
OBJECTIVE: To identify independent risk factors to develop a central line- associated bloodstream infection (CLABSI) in critically ill neonates with major underlying diseases. METHODS: A nested case-control study was conducted in a neonatal intensive care unit (NICU). Patients with a central venous catheter (CVC) were included. Cases were neonates who developed a CLABSI and controls were patients without CLABSI. Variables included: perinatal history, characteristics of the catheter, installation and catheter use, surgical interventions, and hospital stay. Odds ratio (OR) and 95% confidence intervals (CI) were calculated. X2, Fisher exact, and Mann-Whitney U tests were used when appropriate. Variables with a p value ≤0.10 in the univariate analysis were introduced in a non-conditional logistic regression model. RESULTS: Seventy four cases and 105 controls were analyzed. Univariate risk factors were: any surgery, abdominal surgery, length of hospitalization (≥14 d), double-lumen CVC, surgical cut-down technique, complications, CVC placement in internal jugular vein, dressing type, blood transfusions, parenteral nutrition, and number of CVC manipulations (>200). In the logistic regression analysis, independent risk factors with a p value <0.05 were: double-lumen catheter (OR 5.8, 95% CI 1.2-30), length of hospitalization ≥14 d (OR 4.6, 95% CI 1.8-11.4), abdominal surgery (OR 2.7, 95% CI 1.2-6.2) and blood transfusions (OR 2.5, 95% CI 1.2-5.3). CONCLUSIONS: One risk factor was related to the catheter itself. Management of underlying diseases in specialized NICU contributes to a greater extent to the development of a central line-associated bloodstream infection.
OBJECTIVE: To identify independent risk factors to develop a central line- associated bloodstream infection (CLABSI) in critically ill neonates with major underlying diseases. METHODS: A nested case-control study was conducted in a neonatal intensive care unit (NICU). Patients with a central venous catheter (CVC) were included. Cases were neonates who developed a CLABSI and controls were patients without CLABSI. Variables included: perinatal history, characteristics of the catheter, installation and catheter use, surgical interventions, and hospital stay. Odds ratio (OR) and 95% confidence intervals (CI) were calculated. X2, Fisher exact, and Mann-Whitney U tests were used when appropriate. Variables with a p value ≤0.10 in the univariate analysis were introduced in a non-conditional logistic regression model. RESULTS: Seventy four cases and 105 controls were analyzed. Univariate risk factors were: any surgery, abdominal surgery, length of hospitalization (≥14 d), double-lumen CVC, surgical cut-down technique, complications, CVC placement in internal jugular vein, dressing type, blood transfusions, parenteral nutrition, and number of CVC manipulations (>200). In the logistic regression analysis, independent risk factors with a p value <0.05 were: double-lumen catheter (OR 5.8, 95% CI 1.2-30), length of hospitalization ≥14 d (OR 4.6, 95% CI 1.8-11.4), abdominal surgery (OR 2.7, 95% CI 1.2-6.2) and blood transfusions (OR 2.5, 95% CI 1.2-5.3). CONCLUSIONS: One risk factor was related to the catheter itself. Management of underlying diseases in specialized NICU contributes to a greater extent to the development of a central line-associated bloodstream infection.
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