• Anesthesia and analgesia · Jun 2010

    Brief report: effects of positive end-expiratory pressure on internal jugular vein cross-sectional area in anesthetized adults.

    • Kerry J Hollenbeck, Bryan M Vander Schuur, Matthew R Tulis, Brian W Mecklenburg, Cory P Gaconnet, Scott C Wallace, Eugenio Lujan, and Ivan K Lesnik.
    • Department of Anesthesiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr., San Diego, CA 92134, USA. kerry.hollenbeck@med.navy.mi
    • Anesth. Analg. 2010 Jun 1;110(6):1669-73.

    AbstractWe tested whether positive end-expiratory pressure (PEEP) increases right internal jugular vein (RIJV) cross-sectional area (CSA) in 45 ASA physical status I and II adults. All patients received a standardized IV fluid bolus, induction of general anesthesia, tracheal intubation, and mechanical ventilation. We evaluated the CSA of the RIJV using ultrasound without PEEP (control) and with PEEP (10 cm H(2)O) in the supine, level position. Addition of PEEP increased RIJV CSA 0.42 + or - 0.41 cm(2) (mean + or - SD, median 0.34 cm(2), P < 0.001), which represented a 41% mean increase in CSA.

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