Cine Angio
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Transcript of Cine Angio
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Method of recording sequential X-ray images of the heart and great arteries after
the selective injection of iodinated contrast medium. It is used to evaluate
morphology, dimensions and function of the heart and morphology of the great
arteries. Cineangiography has for decades served as the denitive technique for
demonstrating the morphology of congenital heart disease. Cineangiography after
selective injection of contrast media in the coronary arteries (coronaryarteriography is the imaging modality employed for dening coronary arterial
anatomy and pathology.
Cineangiography employs a cine camera to record the images from the image
intensier onto cine lm. Cardiac cineangiography is typically performed at !"
frames per second. Coronary angiography is typically performed at around #"
frames per second. Cardiac cineangiography is performed in either the single plane
or $iplane modes. %he $iplane mode is used for cardiac cineangiography in children
and sometimes also in adults. %he single plane mode is used for coronarycineangiography. In addition to recording of images on cine lm as the primary
archival medium, images may also $e simultaneously recorded on analogue
videotape or analogue optical dis& for immediate vie'ing. nalogue videotaping of
cardiac images is largely $eing replaced $y digital recording media.
In recent years cardiac angiography and coronary angiography have $een moving
to the utili)ation of digital acquisition and display of sequential images. *ith digital
recording of images, there is immediate conversion of image data into num$ers,
storage of the num$ers and the option of computer manipulation, processing andanalysis of the numerical data. %he num$ers are converted into a processed or
unprocessed image for vie'ing. +igital cardiac and coronary angiographic systems
employ a video camera to acquire an electronic video image from the X-ray image
intensier. %his signal is converted into digital (numerical form.
%ypes of cineangiograms
Cineangiograms are usually performed after selective injection of contrast media inthe right ventricle (right ventriculogram, left ventricle (left ventriculogram, andor
pulmonary artery (pulmonary aortogram. elective injection into the right and left
coronary arteries constitutes a coronary cineangiogram (see coronary
arteriography. Injection of any of these sites may $e necessary in congenital heart
disease in order to dene the complete morphology of anomalies. In acquired heart
disease left ventriculography is performed most frequently for the evaluation of
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valvular heart disease, ischemic heart disease and cardiomyopathies. %horacic
aortography is performed for the evaluation of aortic valve disease, thoracic aortic
aneurysms and aortic dissection. /ight ventriculography is performed to assess
right ventricular function and tricuspid valve function.
0entriculograms are usually performed in the anteroposterior and lateral or !" right
anterior o$lique and #" left anterior o$lique projections. 1or the evaluation of
congenital heart disease and sometimes for acquired heart disease as 'ell, a
compound angulated vie' is used 'ith craniocaudal angulation com$ined 'ith right
or left anterior o$lique angulation of the image intensier.
nalysis of cine ventriculograms
%he left ventriculogram can $e evaluated using su$jective visuali)ation or
quantitative analysis usually employing computer-$ased programs. uch computer-
$ased quantitative analysis is facilitated $y digital recording of image data. %he left
ventriculogram is su$jectively evaluated $y visual assessment of ventricular si)e
and shape, 'all thic&ness, 'all motion during systole, motion of mitral and aortic
valves, and identication of intracavitary lling defects and valvular regurgitation.
*hile the volume of the ventricle can $e su$jectively estimated $y e2perienced
e2aminers, measurement of the outline of left ventricle at end-diastole and end-
systole is usually necessary to provide more precise estimation of left ventricular
volume at end-diastole and end-systole using various geometric models. %he area3
length method is the one usually applied for quantifying ventricular volumes.
0entricular contraction can $e readily evaluated $y cineangiography. $normalities
of 'all motion are generally glo$al in nonischaemic cardiac diseases such as
valvular heart disease and cardiomyopathy. *all motion a$normalities are usually
segmental in ischaemic heart disease and sometimes also in other diseases (1ig. 4.
%he a$normalities in 'all motion are termed hypo&inesis (decrease systolic in'ard
motion5 a&inesis (no systolic in'ard motion5 dys&inesis (out'ard systolic motion
(1ig. 6. %hese segmental 'all motion a$normalities are displayed $est on
cineangiograms acquired in the !"7 right anterior o$lique or caudal !"7 right
anterior o$lique projections (1ig. 4.
In congenital heart disease cineangiograms are analysed to assess dimension of the
t'o ventricles, arterioventricular connections, atrioventricular connections, valve
atresia, stenosis and regurgitation, shunts at atrial, ventricular and aortic levels, and
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ventricular function. Cineangiograms are also employed $efore and after surgery to
assess the si)e of pulmonary arteries.