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Rivista di Anestesia, Rianimazione, Terapia Antalgica e Terapia Intensiva

Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 2,036

Periodicità: Mensile

ISSN 0375-9393

Online ISSN 1827-1596


Minerva Anestesiologica 2013 Febbraio;79(2):137-46


Echocardiography and pulse contour analysis to assess cardiac output in trauma patients

Franchi F. 1, Falciani E. 1, Donadello K. 2, Zacà V. 3, Silvestri R. 1, Taccone F. S. 2, Cubattoli L. 1, Mongelli P. 1, Giomarelli P. 1, Scolletta S. 1

1 Department of Anesthesia and Intensive Care, University of Siena, Siena, Italy;
2 Department of Intensive Care, Erasme University Hospital; Université Libre de Bruxelles, Bruxelles, Belgium;
3 Department of Cardiovascular Disease, University of Siena, Siena, Italy

Background: Echocardiography is a valuable technique to assess cardiac output (CO) in trauma patients, but it does not allow a continuous bedside monitoring. Beat-to-beat CO assessment can be obtained by other techniques, including the pulse contour method MostCare. The aim of our study was to compare CO obtained with MostCare (MC-CO) with CO estimated by transthoracic echocardiography (TTE-CO) in trauma patients.
Methods: Forty-nine patients with blunt trauma admitted to an intensive care unit and requiring hemodynamic optimization within 24 hours from admission were studied. TTE-CO and MC-CO were estimated simultaneously at baseline, after a fluid challenge and after the start of vasoactive drug therapy.
Results: One hundred sixteen paired CO values were obtained. TTE-CO values ranged from 2.9 to 7.6 L·min-1, and MC-CO ranged from 2.8 to 8.2 L·min-1. The correlation between the two methods was 0.94 (95% confidence interval [CI]=0.89 to 0.97; P<0.001). The mean bias was -0.06 L·min-1 with limits of agreements (LoA) of -0.94 to 0.82 L·min-1 (lower 95% CI, -1.16 to -0.72; upper 95% CI, 0.60 to 1.04) and a percentage error of 18%. Changes in CO showed a correlation of 0.91 (95% CI=0.87 to 0.95; P<0.001), a mean bias of -0.01 L·min-1 with LoA of -0.67 to 0.65 L·min-1 (lower 95% CI, -0.83 to -0.51; upper 95% CI, 0.48 to 0.81).
Conclusion: CO measured by MostCare showed good agreement with CO obtained by transthoracic echocardiography. Pulse contour analysis can complement echocardiography in evaluating hemodynamics in trauma patients.

lingua: Inglese


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