A large animal model (swine) to study the diagnosis and treatment of cholelithiasis.

abstract：:A double-blind randomized study of ten patients compared Hexabrix 32% to Renografin-60 in TMJ arthrography. Equivalent volumes of contrast material were injected under fluoroscopic observation, with film quality and patient subjective response graded independently by three radiologists. In immediate arthrogram quality...

journal_title：Investigative radiology

authors： Katzberg RW

更新日期：1984-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors evaluate the use of magnetic resonance (MR) to image pulmonary perfusion in healthy controls and to detect pulmonary defects in patients with unilateral lung transplantation, using dynamic images after contrast administration. METHODS:Five patients with right lung transplantation a...

journal_title：Investigative radiology

authors： Berthezène Y,Croisille P,Bertocchi M,Houzard C,Bendib K,Revel D

更新日期：1997-06-01 00:00:00

abstract：:Using simple surgical techniques, experimental carotid aneurysms are created which simulate some types of human berry aneurysms, both in hemodynamic and radiographic behavior. End to side anastomoses of an external jugular vein graft to the common carotid artery can be carried out by radiologic personnel with no forma...

journal_title：Investigative radiology

authors： Kerber CW,Buschman RW

更新日期：1977-03-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to evaluate the feasibility of a computed tomography (CT) protocol enabling the visualization of the prostatic artery (PA) before prostatic artery embolization (PAE) in benign prostatic hyperplasia, which provides quantitative perfusion information of the prostate gland. MATERIALS ...

journal_title：Investigative radiology

authors： Kobe A,Puippe G,Klotz E,Alkadhi H,Pfammatter T

更新日期：2019-10-01 00:00:00

abstract：:The ideal contrast agent in patients suspected of having gastrointestinal perforation is an iso-osmolar, or nearly iso-osmolar substance, that causes no peritoneal reaction. Iopamidol is a nonionic water-soluble contrast medium that may be considered in such situations. Intraperitoneal injections of ionic and nonionic...

journal_title：Investigative radiology

authors： Ferrante SL,Schreiman JS,Rouse JW,Rysavy JA,Cheng SC,Frick MP

更新日期：1990-02-01 00:00:00

abstract：:High-resolution real-time ultrasonography (5, 7.5, and 10 MHz) was used to examine the menisci of the knee in ten normal volunteers and in ten patients with knee injuries. The posterior horns of the medial and lateral menisci were easily demonstrated. Normal anatomy and pathologic changes could be imaged in the menisc...

journal_title：Investigative radiology

authors： Selby B,Richardson ML,Montana MA,Teitz CC,Larson RV,Mack LA

更新日期：1986-04-01 00:00:00

abstract：:Virtually all receiver operating characteristic (ROC) studies of medical imaging methods have involved data collected on a discrete confidence-rating scale, though in principle ROC studies can be conducted with either discrete or continuous scales. Continuous scales provide potential advantages in medical applications...

journal_title：Investigative radiology

authors： Rockette HE,Gur D,Metz CE

更新日期：1992-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate the attenuation, size, and volume of the pericardial sinuses and recesses by using electrocardiographically triggered, noncontrast-enhanced electron beam tomography (EBT) and to consider its relation with sex, age, and heart volume. METHODS:Findings in 213 consecutive patients with...

journal_title：Investigative radiology

authors： Budoff MJ,Lu B,Mao S,Bakhsheshi H,Zhuang N,Liu SC,French WJ

更新日期：2000-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:In contrast-enhanced dual-energy subtraction imaging 2 images acquired postcontrast media administration at different energies are subtracted to highlight structures hidden in the absence of contrast media. X-ray spectra of the newly developed digital full-field mammography units (GE Senographe...

journal_title：Investigative radiology

authors： Lawaczeck R,Diekmann F,Diekmann S,Hamm B,Bick U,Press WR,Schirmer H,Schön K,Weinmann HJ

更新日期：2003-09-01 00:00:00

abstract：:The authors report a randomized, double-blind prospective trial comparing the effects of nonionic with ionic low-osmolar contrast media on erythrocyte aggregation. The study group comprised 40 consecutive patients with pathology necessitating selective angiography. Patients were examined using either ioxaglate 320, io...

journal_title：Investigative radiology

authors： Hayes R,Mahon T,Masterson J,Owens A

更新日期：1991-08-01 00:00:00

abstract：:The biliary and urinary excretion of sodium tyropanoate (Bilopaque) and sodium ipodate (Oragrafin) were studied in unanesthetized bile-fistula dogs using stepwise, increasing, intravenous infusions of the contrast materials. A constant intravenous infusion of sodium taurocholate was administered at the rate of either ...

journal_title：Investigative radiology

authors： Berk RN,Loeb PM,Cobo-Frenkel A,Barnhart JL

更新日期：1977-01-01 00:00:00

abstract：OBJECTIVES:Imaging of the kidney using blood oxygen level dependent MR presents a major opportunity to examine differences in tissue oxygenation within the cortex and medulla applicable to human disease. We sought to define the differences between regions within kidneys and to optimize selection of regions of interest ...

journal_title：Investigative radiology

authors： Gloviczki ML,Glockner J,Gomez SI,Romero JC,Lerman LO,McKusick M,Textor SC

更新日期：2009-09-01 00:00:00

abstract：OBJECTIVES:To prospectively evaluate the safety and efficacy of combined unenhanced and gadoxetic acid disodium (Gd-EOB-DTPA)-enhanced magnetic resonance (MR) imaging compared with unenhanced MR imaging and triphasic contrast-enhanced spiral computed tomography (CT) for the detection and characterization of focal liver...

journal_title：Investigative radiology

authors： Ichikawa T,Saito K,Yoshioka N,Tanimoto A,Gokan T,Takehara Y,Kamura T,Gabata T,Murakami T,Ito K,Hirohashi S,Nishie A,Saito Y,Onaya H,Kuwatsuru R,Morimoto A,Ueda K,Kurauchi M,Breuer J

更新日期：2010-03-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to compare the prognostic utility of a staging system using magnetic resonance imaging (MRI) with the seventh American Joint Committee on Cancer (AJCC) staging system in patients with hepatocellular carcinoma (HCC) who underwent hepatic resection. MATERIALS AND METHODS:A total of 1...

journal_title：Investigative radiology

authors： An C,Choi GH,Lee HS,Kim MJ

更新日期：2012-11-01 00:00:00

abstract：:The efficacy and safety of perfluoroctylbromide as a diagnostic contrast agent for direct lymphography was studied in mongrel dogs. This radiopaque perfluorocarbon has several advantages over Ethiodol. The liquid compound has injection times one-fifth of that required for Ethiodol. When dosages were three to four tim...

journal_title：Investigative radiology

authors： Liebner EJ

更新日期：1977-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A new hepatobiliary gadolinium chelate, gadolinium (Gd) 2,5-BPA-DO3A, was compared in two animal species with Gd HP-DO3A (gadoteridol), a clinically approved extracellular contrast agent, and Gd Cy2-DOTA, a second hepatobiliary chelate in preclinical development. The ligand in Gd 2,5-BPA-DO3A i...

journal_title：Investigative radiology

authors： Runge VM,Wells JW,Williams NM

更新日期：1996-01-01 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：OBJECTIVE:As an imaging modality for follow-up during continuous or repeated hepatic arterial infusion chemotherapy using a hepatic intra-arterial indwelling catheter, the usefulness of CT while infusing contrast through the indwelling catheter (reservoir port) was examined. METHODS:Using reservoir ports implanted in ...

journal_title：Investigative radiology

authors： Morimoto M,Satake M,Sekiguchi R,Haruno M,Moriyama N

更新日期：1999-12-01 00:00:00

abstract：OBJECTIVES:The objective of this study was to evaluate the use of dielectric pads for improving high spatial resolution imaging of the inner ear at 7 T. MATERIALS AND METHODS:Two sets of dielectric pads were designed using electromagnetic simulations and implemented using a deuterated suspension of barium titanate. Th...

journal_title：Investigative radiology

authors： Brink WM,van der Jagt AM,Versluis MJ,Verbist BM,Webb AG

更新日期：2014-05-01 00:00:00

abstract：OBJECTIVES:Thermal dose in tumor tissue is a key factor for regional hyperthermia (HT) combined with chemotherapy and for drug delivery using thermosensitive liposomes (TSL). It influences therapy outcome, affects the accumulation of liposomes, and triggers the content release from TSL in the target tissue. For the dev...

journal_title：Investigative radiology

authors： Peller M,Schwerdt A,Hossann M,Reinl HM,Wang T,Sourbron S,Ogris M,Lindner LH

更新日期：2008-12-01 00:00:00

abstract：OBJECTIVE:To investigate the effect of saline chase injected at 2 different rates on computed tomography (CT) angiography. MATERIALS AND METHODS:This study was approved by our institutional animal study committee. Three injection protocols were used; contrast injection (24 mL, 0.8 mL/s) without saline chase (protocol ...

journal_title：Investigative radiology

authors： Lee CH,Goo JM,Bae KT,Lee HJ,Kim KG,Chun EJ,Park CM,Im JG

更新日期：2007-07-01 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:Gray scale and power Doppler sonography are commonly used to evaluate cervical lymph nodes. This study was undertaken to identify which of the features used in ultrasound of cervical lymph nodes is readily applicable in routine clinical practice. METHODS:Two hundred and eight-six patients diag...

journal_title：Investigative radiology

authors： Ahuja A,Ying M

更新日期：2002-06-01 00:00:00

abstract：OBJECTIVE:To demonstrate a method of assessing radiologic diagnostic agreement utilizing multiple blinded external readers. METHODS:Six body CT studies interpreted by one reader (primary reader) at the host institution were compiled with patient identifiers removed. Brief clinical histories that were available to the ...

journal_title：Investigative radiology

authors： Ryan AF,Semelka RC,Molina PL,Yonkers S,Vaidean G

更新日期：2010-04-01 00:00:00

abstract：:Erythrocytes at various concentrations were examined with a sensitive A-mode ultrasonic scanner; simultaneous measurements were made under light microscopic control. Individual erythrocytes caused weak (about 1 dB) echoes while erythrocyte aggregates (ten to 100 cells) produced stronger echoes (up to 15 dB), grossly p...

journal_title：Investigative radiology

authors： Alanen A,Kormano M

更新日期：1985-08-01 00:00:00

abstract：:The purpose of our investigation was to determine whether iopanoyl glucuronide, the major metabolite of iopanoic acid (Telepaque), undergoes hydrolysis by bacterial beta-glucuronidase in dogs. The conjugated compound was identified and quantitated by elemental analysis, fluorescent excitation analysis, thin-layer chro...

journal_title：Investigative radiology

authors： Thoeni RF,Goldberg HI,Moss AA,Lin SK,Brito AC

更新日期：1978-05-01 00:00:00

abstract：:Trypan blue and 197HgCl2 were used as markers of the increased leakage through the blood-brain barrier which developed after selective injection of different contrast media formulations into the internal carotid arteries of rabbits. Interest was focused on a new, experimental, nonionic medium (C-29) and possible effec...

journal_title：Investigative radiology

authors： Golman K

更新日期：1979-07-01 00:00:00

abstract：:Simultaneous inflation of two balloons may be necessary for balloon dilation valvuloplasty in patients with a large annulus. We examined the cardiovascular effects of dilating the pulmonary annulus with two balloons in 18 normal dogs using pulsed Doppler ultrasound and gross and microscopic examination. When the ratio...

journal_title：Investigative radiology

authors： Butto F,Burke B,Berry JM,Amplatz K,Bass JL

更新日期：1988-08-01 00:00:00

abstract：:A method of teaching radiology residents by identification of general and specific objectives to be accomplished during each time segment of the four-year training program has been developed. The objectives are incorporated into an educational contract that is signed by the resident and rotation director at the beginn...

journal_title：Investigative radiology

authors： Howland WJ,Marler D,Bosshart D

更新日期：1986-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors compare the magnetic resonance (MR) phase contrast flow velocity measurements in varying concentric stenoses with invasive measurements obtained with a Doppler guidewire. METHODS:Flow velocity measurements were obtained using a calibrated 0.018 inch 12 MHz Doppler guidewire and a 1...

journal_title：Investigative radiology

authors： Hoppe M,Heverhagen JT,Froelich JJ,Kunisch-Hoppe M,Klose KJ,Wagner HJ

更新日期：1998-08-01 00:00:00