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01-02-2010 | original article

Evaluation of global left ventricular function assessment of non-fluorescent electromechanical endocardial mapping compared with biplane left ventricular contrast angiography

Auteurs: E-S Tan, P. A. Van der Vleuten, G. A. J. Jessurun, R. A. Tio, F. Zijlstra, I. C. Van Gelder

Gepubliceerd in: Netherlands Heart Journal | Uitgave 2/2010

Abstract

Background. Little is known about the diagnostic accuracy of global LV function assessment by electromechanical endocardial mapping (EEM). The aim of the present study was to determine the relationship between global left ventricular (LV) function measured by EEM and biplane left ventricular contrast angiography (LVA) after ST-elevation myocardial infarction (STEMI).

Methods. Thirty-seven patients underwent LVA and EEM during routine coronary angiography four months after primary percutaneous intervention for STEMI. Global LV function parameters were available from both techniques in all patients. LVA was regarded as reference standard.

Results. All procedures were carried out without adverse events. Average age was 55±10 years and 84% were male. EEM showed an overestimation of end-diastolic volume (EDV) and end-systolic volume (ESV) of 6.5 ml and 25.5 ml, respectively. Correlation (r) was 0.84 (p<0.001) for EDV and 0.74 (p<0.001) for ESV. Average left ventricular ejection fraction (LVEF) measured by EEM was 17.2% point (±11.3% point) lower compared with LVA (r=0.69, p<0.001).

Conclusion. Although global functional parameters by EEM correlated well with LVA, the relatively large differences in terms of absolute values for ventricular volumes and LVEF render the two techniques non-interchangeable for global LV-function-data. (Neth Heart J 2010;18:72–77.)

vorige artikel An in vivo comparison of radiofrequency cardiac lesions formed by standard and magnetically steered 4 mm tip catheters

volgende artikel Measure twice, cut once: pitfalls in the diagnosis of supraventricular tachycardia

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Titel: Evaluation of global left ventricular function assessment of non-fluorescent electromechanical endocardial mapping compared with biplane left ventricular contrast angiography
Auteurs: E-S Tan
P. A. Van der Vleuten
G. A. J. Jessurun
R. A. Tio
F. Zijlstra
I. C. Van Gelder
Publicatiedatum: 01-02-2010
Uitgeverij: Bohn Stafleu van Loghum
Gepubliceerd in: Netherlands Heart Journal / Uitgave 2/2010
Print ISSN: 1568-5888
Elektronisch ISSN: 1876-6250
DOI: https://doi.org/10.1007/BF03091741

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