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Minerva Cardioangiologica 2004 August;52(4):323-8


language: English

Left ventricular diastolic impairment during coronary arteriography with a non-ionic contrast medium

Baglini R., Sesana M., Capuano C., Rosella M. G., Sardeo C., Danzi G. B.


Aim. The aim of this study was to assess the influence of coronary arteriography with the use of a non-ionic low molecular monomer (iopromide) on left ventricular function.
Methods. Fifty consecutive patients with coronary artery disease (CAD) and normal left ventricular ejection fraction were studied by coronary arteriography for a stable or unstable coronary syndrome by using iopromide. They were divided into 2 groups: group 1, patients with one vessel disease; group 2, patients with multiple vessel disease. A >50% reduction of the lumen diameter by on-line quantitative angiography was considered a significant coronary stenosis. Coronary arteriography was performed by hand injection of 5 ml of iopromide avoiding the use of nitrates during the procedure. Doppler echocardiography monitoring was performed immediately before the coronary arteriography and at the end of the last coronary injection. The following parameter were recorded: E peak velocity (E) (cm/s), A peak velocity (A) (cm/s), E/A ratio, E deceleration time (EDT) (ms), isovolumic relaxation time (IRT) (ms), and left ventricular ejection fraction (EF) (%).
Results. No complications were observed during the procedures. A mean amount of 40±8 ml of iopromide was used. No significant variation of heart rate and arterial pressure was shown during coronary arteriography. No changes were observed either for E, A, E/A ratio or for left ventricular EF in any group of patients. A significant increase of EDT and IRT in comparison with baseline values was documented only in group 2 (from 140±77 to 199±44 and from 98±33 to 144±44, p<0.01), returning to baseline values after 10±3 minutes. A positive correlation was observed between EDT and IRT shift from baseline values (r=0.77; p<0.01).
Conclusion. In conclusion, iopromide temporarily impairs left ventricular diastolic dynamics during selective coronary angiography, but only in patients with multivessel CAD.

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