GEDVIGlobal End-Diastolic Volume Index
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Abbreviations PICU: Pediatric intensive care unit PiCCO: Pulse index continuous cardiac output GEDVI: Global end-diastolic volume index ITBVI: Intrathoracic blood volume index SVV: Stroke volume variation CO: Cardiac output CI: Cardiac index GEF: Global ejection fraction SVRI: Systemic vascular resistance index EVLWI: Extravascular lung water index PVPI: Pulmonary vascular permeability index LOS: Length of stay SD: Standard deviation CIs: Confidence intervals.
130.3 [+ or -] 32.4 ml?min[sup]−1?m[sup]−2 , P = 0.004, respectively); however, there were no significant differences in hemodynamic (such as central venous pressure [CVP], CI , GEDVI, SVRI and extravascular lung water index), global metabolic (such as DO [sub]2 and oxygen extraction ratio [ERO [sub]2 ]) or tissue perfusion parameters [such as ScvO [sub]2 , P(v−a)CO [sub]2 , serum lactate and AGcorrected; [Table 3].
Further, PiCCO estimates global end-diastolic volume index (GEDVI) and intra-thoracic blood volume index (ITBVI) from the transpulmonary thermodilutional cardiac output curve and these have been shown to be a better marker of LV preload than PAOP in the perioperative period of cardiac surgery (2,9).
Other readings derived from Pulse contour cardiac output were GEDVI, pulse contour cardiac output, systemic vascular resistance index (SVRI), and cardiac function index.
Postoperative measurements of GEDVI and transpulmonary CO were obtained 4 to 6 hourly by the principal investigator, and recorded digitally for subsequent analysis.
Correlations between GEDVI versus CO, and PAOP versus CO were analyzed using the Spearman-Rank linear regression analysis on MS Windows Statview (Abacus Concepts, Berkeley, CA, USA).