Phlebography


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phlebography

[flə′bäg·rə·fē]
(medicine)
X-ray photography of a vein or veins following intravenous injection of a radiopaque substance.
Recording of venous pulsations.

Phlebography

 

(1) A method of roentgenographic examination of veins by injection of a contrast medium. Phlebography is used to diagnose varicose veins and other diseases.

(2) Venous sphygmography, a method of studying blood circulation in man and animals by means of graphic registration of the venous pulse, that is, the pulsations of venous walls. The curves obtained are called phlebograms. The external jugular vein is generally used, and the curves are registered on paper, usually by means of a mirror venous sphygmograph. Several types of waves are observed, reflecting the different stages of blood circulation: the cessation of the blood flow from the venae cavae into the right atrium when the atrium contracts, the transmission of pulsation of the carotid artery to the adjacent jugular vein during ventricular systole, and the filling of the right ventricle and large veins with blood during ventricular diastole.

Phlebography is useful in measuring the duration of cardiac phases and the tonus of the right atrium. It is used as a diagnostic tool in such disorders as heart disease and elevated pressure in pulmonary circulation.

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In 72 cases, the diagnosis of DVT was confirmed with phlebography.
Although the excretory urogram may demonstrate external compression of the renal pelvis or proximal ureter by the varix, phlebography with or without epinephrine is the historic diagnostic modality of choice.
In most of the papers reporting on CVS after fistula creation on the ipsilateral arm of the pacemaker, the authors suggest that phlebography should systematically be performed before the fistula is created, in order to diagnose pre-existing CVS (8).
It cannot be excluded that investigation by ultrasound or phlebography in our patients with catheter dysfunction could have revealed subclinical venous thromboses.
17) Correlative studies using ultrasound and phlebography showed combined diagnostic accuracies above 80% in detecting DVT in the upper extremities.
Assesment of lumbar spinal canal stenosis by magnetic resonance phlebography.
Diagnosis of thrombosis by catheter phlebography after prolonged central venous catheterization.
Intraosseous phlebography, intraosseous pressure measurements and 99mTC-polyphosphate scintigraphy in patients with various painful conditions in the hip and knee.