Randomized Controlled Trial Finds Masimo PVI Improves Fluid Management During Surgery

Tue, 08/31/2010 - 8:33am

IRVINE, Calif., Aug. 31 /PRNewswire-FirstCall/ -- Masimo (Nasdaq: MASI) announced today that a new randomized controlled trial published in Anesthesia & Analgesia shows that clinicians using Masimo Pleth Variability Index (PVI®) significantly improved fluid management and reduced lactate levels in patients during and after surgery, compared to patients managed by standard care without PVI(1).  Multiple previous studies(2,3,4) have shown that PVI predicts fluid responsiveness, defined as a significant increase in cardiac output after fluid administration, but this is the first published study to show that the use of PVI can improve patient management compared to a group of patients not managed with PVI.  

Although fluid administration is critical to optimizing patient status and enabling end organ preservation, unnecessary fluid administration is associated with increased morbidity and mortality.  Traditional invasive measurements such as central venous pressure (CVP) are not reliable in predicting whether a patient will benefit from fluid administration, and newer methods of predicting fluid responsiveness are invasive and/or costly. Masimo PVI provides clinicians with a noninvasive, continuous, and cost-effective measure in assessing whether patients will benefit from fluid administration to enable more personalized and targeted fluid therapy.

In the current study, researchers from the University Catholique de Louvain, St. Luc Hospital in Brussels, Belgium, randomized 82 patients undergoing abdominal surgery into two groups, a control group where fluid management was guided by standard care through CVP and clinician assessment, and the PVI group where fluid management was guided by standard care and PVI values from a Masimo Radical-7® Pulse CO-Oxime




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