Carrie Moore, Lori A Devlin, Cynthia Crabtree, Amanda Farris, Joshua Kurtz, Keri Marques
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Disposable pressure transducer to identify central pressure measurements in umbilical lines for preterm and term infants in the neonatal intensive care unit.
Objectives: Assess the feasibility of using a disposable pressure transducer with integrated digital display to differentiate arterial versus venous line placement in neonates.
Study design: Infants ≥23 weeks' gestation with appropriately placed umbilical catheters were enrolled. A single baseline pressure reading was obtained, hypothesizing that arterial placement could be differentiated with a pressure ≥12 mmHg.
Results: Forty-five infants were enrolled to obtain 62 measurements, 31 from both umbilical artery catheters(UAC) and umbilical venous catheters(UVC). 100% of UAC were ≥12 mmHg and 87% of UVC were <12 mmHg. Median device pressures for UAC and UVC were 41 mmHg (IQR 31-45 mmHg) and 5 mmHg (IQR 3-9 mmHg) (p-value < 0.0001). An optimal venous device pressure cut point was determined to be 21 mmHG (97% sensitivity, 100% specificity, AUC 0.98).
Conclusion: This transducer is likely safe and can differentiate line placement in arterial and venous systems. 12 mmHg appears to reliably identify lines placed in the arterial system, but 21 mmHG was found to be the optimal venous cut point.
期刊介绍:
The Journal of Perinatology provides members of the perinatal/neonatal healthcare team with original information pertinent to improving maternal/fetal and neonatal care. We publish peer-reviewed clinical research articles, state-of-the art reviews, comments, quality improvement reports, and letters to the editor. Articles published in the Journal of Perinatology embrace the full scope of the specialty, including clinical, professional, political, administrative and educational aspects. The Journal also explores legal and ethical issues, neonatal technology and product development.
The Journal’s audience includes all those that participate in perinatal/neonatal care, including, but not limited to neonatologists, perinatologists, perinatal epidemiologists, pediatricians and pediatric subspecialists, surgeons, neonatal and perinatal nurses, respiratory therapists, pharmacists, social workers, dieticians, speech and hearing experts, other allied health professionals, as well as subspecialists who participate in patient care including radiologists, laboratory medicine and pathologists.