Contrast media-induced chromosomal damage in human lymphocyte cultures.

abstract：:In order to measure the accuracy of a diagnostic imaging technique, the correctness of each observer decision must be determined. This is often difficult in clinical cases, and various strategies are frequently used to approximate the truth. Experiments using chest radiographs as an example are reported to show the pi...

journal_title：Investigative radiology

authors： Revesz G,Kundel HL,Bonitatibus M

更新日期：1983-03-01 00:00:00

abstract：:A method is presented for selective catheterization and filming of the small internal spermatic and proper hepatic arteries in rabbits. The angiograms thus obtained afford clear delineation of the vessels and their branches and can enhance radiographic investigation of a variety of experimental disease models. ...

journal_title：Investigative radiology

authors： Young S,Hollenberg NK

更新日期：1977-05-01 00:00:00

abstract：:The developing trend for all medical images to be in digital form raises an important question: should diagnostic interpretations be made directly from a CRT or from some form of hard copy recording of the CRT? This question was studied by having two observers read a series of digital images of the thyroid including b...

journal_title：Investigative radiology

authors： Keyes JW Jr,Kline RC,Resinger WW,Rose EA,Koral KF,Rogers WL

更新日期：1983-05-01 00:00:00

abstract：:At a given radiation dosage and field of view, five variables are under meaningful control for intravenous digital subtraction angiography (IV-DSA): concentration and quantity of contrast media injected, volume of injectate, rate of injection, and site of injection. Some controversy exists regarding the selection of a...

journal_title：Investigative radiology

authors： Rubin DL,Burbank FH,Bradley BR,Brody WR

更新日期：1984-01-01 00:00:00

abstract：:The interdisciplinary approach to medical education has often been deficient in medical school curricula. Because of the nonintegrated approach to medical education, problem solving capabilities are not fostered. The clinical presentation of a patient, the imaging modalities used to investigate the patient, and the ul...

journal_title：Investigative radiology

authors： Oldham SA,Jacobson F

更新日期：1986-04-01 00:00:00

abstract：:Eye position recordings made while radiologists searched chest images for lung nodules showed that regions falsely reported positive or suspicious received prolonged visual attention. Correlation of regional fixation dwell time with independent ratings of image features indicated that more than 90% of false-positive d...

journal_title：Investigative radiology

authors： Kundel HL,Nodine CF,Krupinski EA

更新日期：1989-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Tissue contrast phenomenology was investigated analytically and clinically for a class of magnetic resonance (MR) pulse sequences we call large-tip-angle (LTA) spin-echo (SE) imaging. In comparison to traditional SE sequences (denoted 90 degrees-180 degrees-echo), the LTA sequence is of the for...

journal_title：Investigative radiology

authors： Elster AD,Provost TJ

更新日期：1993-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Validation of new positron emission tomography (PET) tracers or magnetic (MR) imaging contrast agents is based on isolated rodent heart preparations. The use of larger animals could provide a more direct validation using the devices used for humans. METHODS:An isolated pig heart preparation ha...

journal_title：Investigative radiology

authors： Casali C,Obadia JF,Canet E,Bendjelid K,André-Fouët X,Revel D,Janier MF

更新日期：1997-11-01 00:00:00

abstract：OBJECTIVES:To test the feasibility of a single MR-based examination allowing for the comprehensive assessment of renal anatomy, function, and vascular status in candidates for kidney transplantation. MATERIALS AND METHODS:Twelve healthy potential kidney donors (mean age: 47 +/- 14 [standard deviation] years, 3 men and...

journal_title：Investigative radiology

authors： Rossi C,Boss A,Artunc F,Yildiz S,Martirosian P,Dittmann H,Claussen CD,Heyne N,Schick F,Schlemmer HP

更新日期：2009-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Iopromide is a new monomeric, nonionic contrast agent that exhibits low osmolality and low viscosity in high concentration in aqueous solutions. Double-blind, randomized clinical trials have established the efficacy, safety, and tolerance of iopromide for excretory urography, coronary angiograp...

journal_title：Investigative radiology

authors： Goldberg SN,Abrahams J,Drayer BP,Golding S,Bernardino M,Brunetti J

更新日期：1994-05-01 00:00:00

abstract：:Low-dose transaxial tomography is a technique that can produce cross-sectional images of the hips and femurs in children to permit calculation of the angle of femoral anteversion. Transaxial tomography was compared with computed tomography in terms of measured radiation dose and image quality. Transaxial tomography wa...

journal_title：Investigative radiology

authors： Kushner DC,Cleveland RH,Ehrlich MG,Zaleske DJ,DeLuca SA,Herman TE,Webster EW

更新日期：1985-12-01 00:00:00

abstract：:Twenty-six patients who had received 43 grafts were studied before and after coronary artery vein bypass surgery. Cine ventriculograms taken in the right anterior oblique projection were analyzed and regional ejection fractions calculated. Single and multiple grafts were considered separately as were thrombosed and pa...

journal_title：Investigative radiology

authors： Martin EC,Wixson D,Baltaxe HA

更新日期：1977-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To develop a computer-assisted analysis of complex joint motion based on standard fluoroscopic sequences. MATERIALS AND METHODS:Fluoroscopic sequences of 10 normal shoulders and 20 patients after total shoulder arthroplasty were recorded during abduction and adduction. The analysis of the shou...

journal_title：Investigative radiology

authors： Pfirrmann CW,Huser M,Székely G,Hodler J,Gerber C

更新日期：2002-02-01 00:00:00

abstract：:In vitro incompatibilities between nine water-soluble contrast media and 21 intravascular pharmacologic agents were investigated using naked-eye observation and a centrifuge. Most of the previously reported incompatibilities were verified, and a few new incompatibilities were discovered: phentolamine mesylate with dia...

journal_title：Investigative radiology

authors： Kim SH,Lee HK,Han MC

更新日期：1992-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate the potential of iterative metal artifact reduction (IMAR) for the improvement of computed tomography (CT)-based position emission tomography (PET) attenuation correction in the vicinity of metal implants and compare it with dual-energy-based metal artifact reduction stra...

journal_title：Investigative radiology

authors： Schabel C,Gatidis S,Bongers M,Hüttig F,Bier G,Kupferschlaeger J,Bamberg F,la Fougère C,Nikolaou K,Pfannenberg C

更新日期：2017-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to determine whether cerebral fat embolism demonstrated reversible or irreversible findings in magnetic resonance (MR) imaging over time and to compare the features in MR images with histologic findings in a cat model. MATERIALS AND METHODS:MR images were obtained...

journal_title：Investigative radiology

authors： Kim HJ,Lee CH,Lee SH,Moon TY

更新日期：2003-10-01 00:00:00

abstract：:Biplane angiocardiography has emerged as a standard method for calculating left ventricular volume measurements. Validation of such measurements has separately been made for several projections of silicone casts of the left ventricle. This study was undertaken to establish and compare the regression lines for left ven...

journal_title：Investigative radiology

authors： Lipton MJ,Hayashi TT,Davis PL,Carlsson E

更新日期：1980-11-01 00:00:00

abstract：:Gallbladder sclerotherapy after permanent cystic duct occlusion, to prevent gallstone recurrence in nonsurgical gallstone therapy, is at least a two-stage procedure. A balloon catheter was developed to perform gallbladder sclerotherapy with only temporary occlusion of the cystic duct, and the efficacy and safety of th...

journal_title：Investigative radiology

authors： Brakel K,Laméris JS,Vergunst H,Ten Kate FJ,Nijs HG,Terpstra OT

更新日期：1991-09-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to elucidate the mechanism of hepatic parenchyma-specific contrast of Sonazoid (microbubble contrast agent) using microscopic techniques. MATERIALS AND METHODS:Sonazoid was intravenously injected into rats to investigate the microbubble dynamics and distribution within hepatic...

journal_title：Investigative radiology

authors： Watanabe R,Matsumura M,Munemasa T,Fujimaki M,Suematsu M

更新日期：2007-09-01 00:00:00

abstract：:Prior to the formation of an intravenous digital subtraction angiography (IV-DSA) image, contrast medium passes through the lesser circulation and is diluted by the blood volume of the heart and lungs. If the contrast medium alone influences central blood volume or cardiac output, the shape of the resultant time-conce...

journal_title：Investigative radiology

authors： Burbank FH,Thompson WM

更新日期：1986-03-01 00:00:00

abstract：OBJECTIVES:To test the feasibility of combining inner-volume imaging (IVI) techniques with conventional multishot periodically rotated overlapping parallel lines with enhanced reconstruction (PROPELLER) techniques for targeted-PROPELLER magnetic resonance imaging. MATERIALS AND METHODS:Perpendicular section-selective ...

journal_title：Investigative radiology

authors： Deng J,Larson AC

更新日期：2009-08-01 00:00:00

abstract：PURPOSE:To determine whether liver metastases conspicuity is improved at 80 kVp when compared with weighted average (WA) simulated 120 kVp data using dual source dual energy CT. METHODS:A total of 11 patients with 44 hypo-vascular liver metastases underwent contrast enhanced Dual Energy CT (DECT). In all cases the sub...

journal_title：Investigative radiology

authors： Robinson E,Babb J,Chandarana H,Macari M

更新日期：2010-07-01 00:00:00

abstract：OBJECTIVES:Magnetic resonance-guided high-intensity focused ultrasound (MR-HIFU) is a method to heat lesions noninvasively to a stable, elevated temperature and a well-suited method to induce local hyperthermia (41°C-43°C) in deep-seated tissues. Magnetic Resonance (MR) imaging provides therapy planning on anatomical i...

journal_title：Investigative radiology

authors： Kneepkens E,Heijman E,Keupp J,Weiss S,Nicolay K,Grüll H

更新日期：2017-10-01 00:00:00

abstract：:The effect of three iodinated contrast media (CM) on human plasma butyrylcholinesterase (BuChE) activity was studied during the intravenous pyelography (i.v.P). BuChE is an enzyme that participates in the metabolism of acetylcholine and hydrolyzes food esters and drugs such as nondepolarizing muscle relaxants and loca...

journal_title：Investigative radiology

authors： Mironidou M,Ximitidou O,Christopoulos S,Kokkas B

更新日期：1998-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study was to examine the effects of azelastine on proliferation, clonogenic activity, cell-cycle, and migration of human aortic smooth-muscle cells (haSMCs) in vitro. METHODS:HaSMCs were treated for 4 days with azelastine (1 micromol/L, 25 micromol/L, 50 micromol/L). Half of the...

journal_title：Investigative radiology

authors： Schöber W,Wiskirchen J,Kehlbach R,Gebert R,Rodegerdts E,Betsch A,Johst U,Feuls R,Claussen CD,Duda SD

更新日期：2002-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors detect activation in the auditory cortex during cochlear electrical stimulation in deaf patients using functional magnetic resonance (MR) imaging. METHODS:Stimulating electrode was inserted gently under local anesthesia close to the round window membrane of the cochlea in seven coc...

journal_title：Investigative radiology

authors： Berthezène Y,Truy E,Morgon A,Giard MH,Hermier M,Franconi JM,Froment JC

更新日期：1997-05-01 00:00:00

abstract：PURPOSE:The relaxivities of 3 macrocyclic gadolinium-based contrast agents (GBCAs) were determined in human plasma and blood under standardized and clinically relevant laboratory conditions. METHODS:The T1 relaxivity, r1, was determined in human plasma at 1.5, 3, and 7 T, and in human blood at 3 T at 37°C in phantoms ...

journal_title：Investigative radiology

authors： Szomolanyi P,Rohrer M,Frenzel T,Noebauer-Huhmann IM,Jost G,Endrikat J,Trattnig S,Pietsch H

更新日期：2019-09-01 00:00:00

abstract：:A prospective, randomized study of the potential protective effects of corticosteroids administered as pretreatment against contrast material (CM) reactions is reported. Patients (n = 6,763) from multiple institutions received either a single dose of steroids (32 mg of oral methylprednisolone, approximately 2 hours be...

journal_title：Investigative radiology

authors： Lasser EC,Berry CC,Talner LB,Santini LC,Lang EK,Gerber FH,Stolberg HO

更新日期：1988-09-01 00:00:00

abstract：:This article reviews the computer system hardware and software, applications programs, and computer network services that are available on microcomputers for use by the radiologist. The American College of Radiology Institute computer network is described, which is specifically designed to help the practicing radiolog...

journal_title：Investigative radiology

authors： Newell JD,Hunter TB

更新日期：1986-02-01 00:00:00

abstract：OBJECTIVE:To determine the prevalence of nephrogenic systemic fibrosis (NSF) in patients with chronic kidney disease (CKD) who have received gadopentetate dimeglumine. MATERIALS AND METHODS:We retrospectively studied all patients who underwent contrast-enhanced magnetic resonance imagings (CE-MRIs) between January 1, ...

journal_title：Investigative radiology

authors： Hope TA,Herfkens RJ,Denianke KS,LeBoit PE,Hung YY,Weil E

更新日期：2009-03-01 00:00:00