Digital subtraction angiography with an Isocon camera system: clinical applications

Journal Article · Sun Jan 01 04:00:00 EST 1984 · AJR, Am. J. Roentgenol.; (United States)

DOI:https://doi.org/10.2214/ajr.142.1.143· OSTI ID:5242195

Barbaric, Z L; Gomes, A S; Deckard, M E; Nelson, R S; Moler, C L

A new imaging system for digital subtraction angiography (DSA) was evaluated in 30 clinical studies. The image receptor is a 25 X 25 cm, 12 par gadolinium oxysulfate rare-earth screen whose light output is focused to a low-light-level Isocon camera. The video signal is digitized and processed by an image-array processor containing 31 512 X 512 memories 8 bits deep. In most patients, intraarterial DSA studies were done in conjunction with conventional arteriography. In these arterial studies, images adequate to make a specific diagnosis were obtained using half the radiation dose and half the amount of contrast material needed for conventional angiography. In eight intravenous studies performed either to identify renal artery stenosis or for evaluation of congenital heart anomalies, the images were diagnostic but objectionably noisy.

• Research Organization: Univ. of California, Los Angeles
• OSTI ID: 5242195
• Journal Information: AJR, Am. J. Roentgenol.; (United States), Journal Name: AJR, Am. J. Roentgenol.; (United States) Vol. 142:1; ISSN AAJRD
• Country of Publication: United States
• Language: English

Related Subjects

550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
ARTERIES
BIOMEDICAL RADIOGRAPHY
BLOOD VESSELS
BODY
CAMERAS
CARDIOVASCULAR SYSTEM
CONGENITAL MALFORMATIONS
DIAGNOSTIC TECHNIQUES
DIGITAL FILTERS
GADOLINIUM COMPOUNDS
GADOLINIUM SULFATES
HEART
IMAGE PROCESSING
KIDNEYS
MALFORMATIONS
MEDICINE
NUCLEAR MEDICINE
ORGANS
OXYGEN COMPOUNDS
PATHOLOGICAL CHANGES
PATIENTS
PERFORMANCE
PROCESSING
RADIOLOGY
RARE EARTH COMPOUNDS
SIGNAL-TO-NOISE RATIO
SULFATES
SULFUR COMPOUNDS