Abstract:
:Milestones in the history of phlebography are shortly reviewed. The present state of phlebography with emphasis upon the role of new nonionic contrast media is presented.
journal_name
Invest Radioljournal_title
Investigative radiologyauthors
Enge Isubject
Has Abstractpub_date
1985-01-01 00:00:00pages
S100-2issue
1 Suppleissn
0020-9996issn
1536-0210journal_volume
20pub_type
临床试验,杂志文章abstract:RATIONALE AND OBJECTIVES:The authors evaluate the use of a new device for interventional creation of atrial septal defects (ASD) working with high-frequency alternating current in an in vitro study with porcine atria. METHODS:The device consists of a symmetrical cage of six superelastic monofile wires, including a mic...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199702000-00003
更新日期:1997-02-01 00:00:00
abstract::We present a new method for evaluating in vivo changes in bone mineralization in the peripheral skeleton, using computed tomography (CT). A set of bone mineralization indices are generated from numerous CT images of the patient's distal radius. The cross-sectional anatomy displayed by the CT scan allows for separate e...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-197903000-00003
更新日期:1979-03-01 00:00:00
abstract::The authors reexamined a suspected difference in the effects of clinical information upon detection of nodules vs. more diverse lesions by directly incorporating classification specificity into detection ROC analysis. Categorical prompts, correct for specific abnormalities, led to detection superior to unprompted read...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198801000-00011
更新日期:1988-01-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The relative stability and selectivity of magnetic resonance (MR) imaging contrast agents were compared with in vitro transmetallation and ligand competition reactions. MATERIALS AND METHODS:A gadolinium (Gd)-DTPA-BIGA, Gd-DTPA-BMA, Gd-DTPA, or Gd-HP-DO3A solution was mixed with an equimolar s...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199610000-00003
更新日期:1996-10-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The clinically most widely used devices (Porstmann-plug, Rashkind-umbrella, Botallooccluder) have inherent specific limitations (eg, transarterial approach, residual shunts, limited retrieval). The authors assess practicability, efficacy, and tissue reaction of the new retrievable transvenous p...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199709000-00004
更新日期:1997-09-01 00:00:00
abstract::Human gallstones were surgically placed into the gallbladders of 200 swine. Eight of these swine were used as a prospective series to verify that the placement and presence of human gallstones in their gallbladders caused no significant pathologic changes in the gallbladder and that the gallstones were not spontaneous...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198902000-00005
更新日期:1989-02-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To improve the accuracy of magnetic resonance imaging (MRI) in evaluating the response of osteosarcomas to preoperative chemotherapy, the authors developed a technique of mapping tumor necrosis and viability by quantitating slope values of gadolinium-DTPA (Gd-DTPA) uptake on dynamic fast low-an...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199205000-00010
更新日期:1992-05-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:Echogenic antibody-conjugated anionic liposomes have been developed that allow directed tissue targeting and acoustic enhancement. These are not efficient for gene delivery. A cationic formulation that allows directed gene delivery while retaining acoustic properties may provide more efficient ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-200012000-00007
更新日期:2000-12-01 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
pub_type: 杂志文章
doi:10.1097/00004424-198401000-00007
更新日期:1984-01-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To assess whether differences in cerebral atrophy and white matter lesions or in the presence of lactate and lipid signals can explain the observed differences in brain choline, creatine, and N-acetylaspartate levels between healthy elderly women and men. METHODS:In addition to standard magnet...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-200110000-00005
更新日期:2001-10-01 00:00:00
abstract::The issue of dechelation (transmetallation) in vivo after administration of the linear gadolinium-based contrast agents, and potential safety concerns, is considered on the basis of an extensive, focused literature review. Early indications of potential problems included the high level of excess ligand used in the for...
journal_title:Investigative radiology
pub_type: 杂志文章,评审
doi:10.1097/RLI.0000000000000507
更新日期:2018-10-01 00:00:00
abstract::Multiple intravenous injections of contrast media are used in radiology, but information regarding corresponding changes in the serum iodine concentrations and osmolality is lacking. We measured the changes in serum iodine concentration and serum osmolality in rabbits after a series of intravenous injections of contra...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198703000-00007
更新日期:1987-03-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The purpose of this study evaluating a cesium iodide-amorphous silicon-based flat-panel detector was to optimize the x-ray spectrum for chest radiography combining excellent contrast-detail visibility with reduced patient exposure. MATERIALS AND METHODS:A Lucite plate with 36 drilled holes of ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/01.rli.0000138091.96320.f8
更新日期:2004-10-01 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
pub_type: 杂志文章
doi:10.1097/00004424-197705000-00009
更新日期:1977-05-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:A computerized system that applies the case-based approach to training radiologists to diagnose brain tumors was designed. The authors attempted to provide residents a tool that supports their visual memory and inducts case-based reasoning. METHODS:A relational database with a digital image li...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199404000-00020
更新日期:1994-04-01 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
pub_type: 杂志文章
doi:10.1097/00004424-199805000-00008
更新日期:1998-05-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to investigate the feasibility of kidney stone composition analysis using spectral detector computed tomography scanner (SDCT) with normal- and low-dose imaging protocols. METHODS:A total of 154 stones harvested from nephrolithotripsy or nephrolithotomy with a known monocrystalline...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000468
更新日期:2018-08-01 00:00:00
abstract:OBJECTIVES:The goal of this study was to demonstrate feasibility of measuring extracellular pH in cartilage and meniscus using acidoCEST technique with a 3-dimensional ultrashort echo time readout (acidoCEST-UTE) magnetic resonance imaging (MRI). MATERIALS AND METHODS:Magnetization transfer ratio asymmetry, radiofrequ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000576
更新日期:2019-09-01 00:00:00
abstract::A 144cerium-induced osteosarcoma was transplanted to athymic nude rats (Han:rnu/rnu). Nineteen of the tumor-bearing animals were used to demonstrate the characteristics of the osteosarcoma on magnetic resonance imaging (MRI) in comparison with a group of nine animals that had not received any tumor transplant. The tum...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:
更新日期:1992-03-01 00:00:00
abstract::Magnetic resonance spectroscopy (MRS) has been most extensively applied to the study of animal models and not humans. The major reason for this extensive animal research is due to the nature of the early magnetic resonance high-field magnets, which only permitted the study of isolated cells, tissues, or small animals....
journal_title:Investigative radiology
pub_type: 杂志文章,评审
doi:10.1097/00004424-198912000-00004
更新日期:1989-12-01 00:00:00
abstract::Because of relatively low acute toxicity, iosulamide meglumine has been recommended as an improved contrast material for intravenous cholangiography. It has been postulated that high doses of the compound could be given safely with the expectation of achieving greater biliary excretion and improved opacification of th...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198105000-00016
更新日期:1981-05-01 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
pub_type: 杂志文章
doi:10.1097/00004424-199002000-00008
更新日期:1990-02-01 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
pub_type: 杂志文章
doi:10.1097/00004424-200206000-00005
更新日期:2002-06-01 00:00:00
abstract::The effects of an intravenously administered nitroxyl spin label (PCA) on the magnetic resonance imaging (MRI) appearance and relaxation times of acute canine myocardial infarctions were studied. Twenty-four hours after ligation of the left anterior descending coronary artery (LAD), animals were either sacrificed imme...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:
更新日期:1985-09-01 00:00:00
abstract:OBJECTIVES:The safety of nonionic contrast agents with that of ionic iodinated contrast agents in children is compared. METHODS:A comprehensive literature search was conducted to identify all publications on the safety profile of nonionic contrast agents administered intravenously to children. This information was com...
journal_title:Investigative radiology
pub_type: 杂志文章,评审
doi:10.1097/00004424-199311001-00027
更新日期:1993-11-01 00:00:00
abstract:OBJECTIVES:We compared the image quality and diagnostic performance of 2 fat-suppression methods for black-blood T2-weighted fast spin-echo (FSE), which are as follows: (a) short T1 inversion recovery (STIR; FSE-STIR) and (b) spectral adiabatic inversion recovery (SPAIR; FSE-SPAIR), for detection of acute myocardial in...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e3182718672
更新日期:2013-01-01 00:00:00
abstract:OBJECTIVES:Ferumoxytol, an intravenous iron supplement, can be used in off-label mode as a contrast agent in magnetic resonance imaging. The aim of this study was to assess whether ferumoxytol can be used as a marker of inflammation in animal models of acute and chronic inflammatory kidney diseases. MATERIAL AND METHO...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000209
更新日期:2016-02-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to achieve initial experience with non-contrast-enhanced (ne) magnetic resonance angiography (MRA) of the lower leg arteries in patients with peripheral arterial occlusive disease (PAOD) at 7 T. MATERIALS AND METHODS:Seven patients with PAOD were examined on a 7-T whole-body magnet...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000044
更新日期:2014-05-01 00:00:00
abstract:PURPOSE:The aim of this study was to investigate if a quantitative evaluation of a magnetic resonance (MR) perfusion examination of the myocardium can achieve a comparable diagnostic accuracy as a semiquantitative evaluation. METHODS:A total of 31 patients with suspected coronary artery disease underwent MR imaging an...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e31824f54cb
更新日期:2012-06-01 00:00:00
abstract:PURPOSE:To evaluate the technical feasibility of high spatial resolution contrast-enhanced magnetic resonance angiography (CE-MRA) with highly accelerated parallel acquisition at 3.0 T using a 32-channel phased array coil, and a high relaxivity contrast agent. MATERIALS AND METHODS:Ten adult healthy volunteers (5 men,...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/01.rli.0000261937.77365.6a
更新日期:2007-06-01 00:00:00