Initial experience with a multiplane transoesophageal echo-transducer: assessment of diagnostic potential.

Abstract:

BACKGROUND:the prototype of a transoesophageal echocardiographic transducer with a rotatable cross-sectional scanning plane underwent initial evaluation. METHODS:the 5 MHz, phased array, 64 element transducer is incorporated into a 16 by 11 by 40 mm echoscope tip. The instrument also has pulsed wave and colour flow Doppler capabilities. Exterior controls allow continuous mechanical rotation of the scanning plane from 0 degree, corresponding to the conventional transverse plane, through 180 degrees, thereby encompassing all possible planes. RESULTS:103 patients underwent examination without complications; two additional patients were excluded because of difficulty in swallowing the probe. Advantages include precise alignment of aortic valve long- and short-axis views, long-axis views of the ascending aorta (mean visualized length: 6 cm), and full scanning of the entire circumference of the mitral valve and the left ventricle. Separation of paravalvular and transvalvular leakage in prosthetic valves is distinctly improved. CONCLUSION:multiplanar transoesophageal imaging is feasible and increases the diagnostic yield, especially in mitral and aortic pathology and in the assessment of left ventricular wall motion. Three-dimensional reconstruction is an attractive potential application.

journal_name

Eur Heart J

journal_title

European heart journal

authors

Flachskampf FA,Hoffmann R,Verlande M,Schneider W,Ameling W,Hanrath P

doi

10.1093/oxfordjournals.eurheartj.a060338

subject

Has Abstract

pub_date

1992-09-01 00:00:00

pages

1201-6

issue

9

eissn

0195-668X

issn

1522-9645

journal_volume

13

pub_type

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