["Optigo" hand-held echocardiography in post-surgery of coronary artery bypass graft]

Abstract

Introduction: After all the advances in electronic miniaturization, first hand-held echocardiographs have finally appeared in echocardiographic laboratories. However, questions still remain about their usefulness in our everyday practice and also about their good diagnosis accuracy. Since some of them do not offer modes such as pulsed or continuous wave Doppler, nor M-mode, they cannot compete with conventional devices. However, they do offer advantages such as their long autonomy, the good quality of their image as well as the one obtained with colour-Doppler mode, in addition obviously to the fact that they can be carried around very easily.

Objectives: To better define their possible uses, we assessed capabilities of one of them, the Optigo (Philips Ultrasound) to analyse patients who had undergone coronary artery bypass surgery.

Method: Fifty patients have been included in this study few days after the surgery. Each of the patients had two echocardiographic examinations, one with a conventional device and one with the Optigo. Two separated and blinded observers for a subsequent and side-by-side criteria comparison performed the two echocardiograms.

Results: Hand-held echocardiography had a good diagnosis accuracy varying from 85% to 95% depending on the analysed criteria. It was more specifically good in the analysis of global or regional left heart function and of the right cavities as well as detecting the existence of pericardial effusion.

Conclusion: Hand-held echocardiographic device demonstrated high accuracy in assessing patients with recent coronary bypass surgery especially regarding cardiac function and pericardial effusion diagnosis.