Myocardial wall motion evaluation using amplitude frequency spectral analysis.

Abstract:

:Frequency spectral analysis of cardiac wall motion as calculated from the recorded video kymogram are demonstrated. Characteristic harmonics following the fundamental frequency of the cardiac rate have been demonstrated to have an alternating sequential energy distribution as measured from the free margin of the left ventricle of humans. The characteristic patterns occur in approximately 80% of the 50 patients evaluated. The correlation of these harmonics with physiologic events is not yet complete. Amplitude frequency spectral analysis offers an objective method for analysis of cardiac kymography not otherwise possible.

journal_name

Invest Radiol

journal_title

Investigative radiology

authors

Silverman NR,Rosen L,Helland DR

doi

10.1097/00004424-197503000-00005

keywords:

subject

Has Abstract

pub_date

1975-03-01 00:00:00

pages

124-31

issue

2

eissn

0020-9996

issn

1536-0210

journal_volume

10

pub_type

杂志文章
  • Application of a Novel Iterative Denoising and Image Enhancement Technique in T1-Weighted Precontrast and Postcontrast Gradient Echo Imaging of the Abdomen: Improvement of Image Quality and Diagnostic Confidence.

    abstract:OBJECTIVES:The aim of this study was to investigate the impact of a novel iterative denoising and image enhancement technique in T1-weighted precontrast and postcontrast volume-interpolated breath-hold examination (VIBE) of the abdomen on image quality, noise levels, and diagnostic confidence without change of acquisit...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0000000000000746

    authors: Gassenmaier S,Afat S,Nickel D,Kannengiesser S,Herrmann J,Hoffmann R,Othman AE

    更新日期:2020-11-18 00:00:00

  • Pharmacologic treatment of intimal hyperplasia after metallic stent placement in the peripheral arteries. An experimental study.

    abstract:RATIONALE AND OBJECTIVES:To evaluate the efficacy of oral administration of cilostazol, an antithrombotic agent, for the prevention of thrombotic occlusion and intimal hyperplasia after stenting. METHODS:Single-bodied Z-stents were placed in the iliac arteries of 23 dogs. Before stenting, an embolizing coil was introd...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199509000-00004

    authors: Kubota Y,Kichikawa K,Uchida H,Maeda M,Nishimine K,Makutani S,Sakaguchi S,Yoshioka T,Ohishi H,Kimura Y

    更新日期:1995-09-01 00:00:00

  • Dual-source computed tomography: advances of improved temporal resolution in coronary plaque imaging.

    abstract:OBJECTIVES:The aim of this study was to quantify image quality gains of a moving coronary plaque phantom using dual-source computed tomography (DSCT) providing 83 milliseconds temporal resolution in direct comparison to 64 slice single-source multidetector CT (MDCT) with a temporal resolution of 165 milliseconds. MATE...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/01.rli.0000254409.79193.96

    authors: Reimann AJ,Rinck D,Birinci-Aydogan A,Scheuering M,Burgstahler C,Schroeder S,Brodoefel H,Tsiflikas I,Herberts T,Flohr T,Claussen CD,Kopp AF,Heuschmid M

    更新日期:2007-03-01 00:00:00

  • The detection of inflammation in collapsed lung by alterations in proton nuclear magnetic relaxation times.

    abstract::The purpose of this study was to establish the proton NMR relaxation times of collapsed but otherwise normal lung tissue and to determine whether an inflammatory process within a collapsed lung can be detected by alterations in relaxation times. The lungs of three groups of rabbits were studied: group A (n = 7) had a ...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-198508000-00004

    authors: Huber DJ,Kobzik L,Melanson G,Adams DF

    更新日期:1985-08-01 00:00:00

  • Slice simulation from a model of the parenchymous vascularization to evaluate texture features: work in progress.

    abstract:RATIONALE AND OBJECTIVES:To demonstrate the usefulness of a model of the parenchymous vascularization to evaluate texture analysis methods. METHODS:Slices with thickness varying from 1 to 4 mm were reformatted from a 3D vascular model corresponding to either normal tissue perfusion or local hypervascularization. Param...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199903000-00004

    authors: Rolland Y,Bézy-Wendling J,Duvauferrier R,Coatrieux JL

    更新日期:1999-03-01 00:00:00

  • Ultrasonic detection of osteomyelitis. Pathologic correlation in an animal model.

    abstract::The authors correlated sonographic findings with histologic findings in a rabbit model of osteomyelitis. Staphylococcus aureus osteomyelitis was induced in the femora of 11 New Zealand white rabbits. The opposite leg was used as a control. Sonographic findings showed fluid adjacent to the bone in 11 cases. The fluid w...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199202000-00002

    authors: Abiri MM,DeAngelis GA,Kirpekar M,Abou AN,Ablow RC

    更新日期:1992-02-01 00:00:00

  • Experimental tissue damage after subcutaneous injection of water soluble contrast media.

    abstract::Various water soluble contrast media (WSCM) were injected subcutaneously into 970 hind feet of 485 rats. Gross morphologic changes were seen after the injection and analyzed as a function of various physicochemical characteristics of WSCM. The WSCM of larger volume, higher osmolality, higher iodine content, and meglum...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199006000-00011

    authors: Kim SH,Park JH,Kim YI,Kim CW,Han MC

    更新日期:1990-06-01 00:00:00

  • Comparison of Routine Brain Imaging at 3 T and 7 T.

    abstract:OBJECTIVE:The aim of this study was to compare quantitative and semiquantitative parameters (signal-to-noise ratio [SNR], contrast-to-noise ratio [CNR], image quality, diagnostic confidence) from a standard brain magnetic resonance imaging examination encompassing common neurological disorders such as demyelinating dis...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0000000000000256

    authors: Springer E,Dymerska B,Cardoso PL,Robinson SD,Weisstanner C,Wiest R,Schmitt B,Trattnig S

    更新日期:2016-08-01 00:00:00

  • Development of a macromolecular dual-modality MR-optical imaging for sentinel lymph node mapping.

    abstract:OBJECTIVE:To evaluate the effectiveness of a dual magnetic resonance-near infrared fluorescence optical imaging agent, poly(l-glutamic acid)-DTPA-Gd-NIR813, for both preoperative and intraoperative visualization and characterization of sentinel lymph nodes (SLN) in mice. MATERIALS AND METHODS:Poly(L-glutamic acid) was...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0b013e31804f5a79

    authors: Melancon MP,Wang Y,Wen X,Bankson JA,Stephens LC,Jasser S,Gelovani JG,Myers JN,Li C

    更新日期:2007-08-01 00:00:00

  • Evaluation and validation of ureteric jet index by glomerular filtration rate.

    abstract:RATIONALE AND OBJECTIVES:Ureteric jet index (UJI), a newly developed technique derived from color Doppler ultrasonography, may hold promise in evaluating renal function because of its ability to evaluate individual renal function and the use of nonionizing radiation. To assess the usefulness of UJI, the authors in this...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199908000-00001

    authors: Chiu NT,Wu CC,Yao WJ,Tu DG,Lee BF,Tong YC,Pan CC

    更新日期:1999-08-01 00:00:00

  • Comparison of 1.5 and 3 T BOLD MR to study oxygenation of kidney cortex and medulla in human renovascular disease.

    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

    pub_type: 杂志文章

    doi:10.1097/RLI.0b013e3181b4c1e8

    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

  • Contrast and electrolyte dynamics of the intravenous pyelogram. II. Disparities in serum and urine concentrations of meglumine and anion.

    abstract::Intravenous or intra-aortic injections of meglumine iothalamate in dogs indicate a slightly different tissue distribution and excretory pattern of the meglumine cation and the iothalamate anion. Differences in serum and urinary concentrations of these ions suggest some cellular penetration of the meglumine anion. In a...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-197507000-00004

    authors: Lasser EC,Lang JH,Hamblin AE,Rosen L

    更新日期:1975-07-01 00:00:00

  • Mechanical thrombectomy in hemodialysis access shunts using a 5F pigtail rotation catheter. In vitro and in vivo investigations.

    abstract:RATIONALE AND OBJECTIVES:To evaluate the feasibility of mechanical thrombectomy in occluded hemodialysis access shunts by using a newly developed 5F pigtail rotation catheter. METHODS:Thrombosed hemodialysis access shunts were simulated by clotted bovine blood in silicone tubing (diameter 6 mm). After retrograde and a...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199907000-00008

    authors: Wildberger J,Schmitz-Rode T,Wein BB,Günther RW

    更新日期:1999-07-01 00:00:00

  • Diagnostic performance of dark-blood T2-weighted CMR for evaluation of acute myocardial injury.

    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

    authors: Srichai MB,Lim RP,Lath N,Babb J,Axel L,Kim D

    更新日期:2013-01-01 00:00:00

  • Comparative evaluation of digital radiography versus conventional radiography of fractured skulls.

    abstract:OBJECTIVES:The authors assessed the relative efficacy of conventional and digital storage-phosphor radiographs for the detection of skull fractures. METHODS:Fifty conventional film-screen radiographs (FSR) and 50 digital storage-phosphor radiographs (DR) with 66 fractures were compared. Five radiologists evaluated ima...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199308000-00005

    authors: Langen HJ,Klein HM,Wein B,Stargardt A,Günther RW

    更新日期:1993-08-01 00:00:00

  • Three-dimensional cerebral contrast-enhanced magnetic resonance venography at 3.0 Tesla: initial results using highly accelerated parallel acquisition.

    abstract:OBJECTIVE:The objective of this study was to evaluate a high spatial resolution 3-dimensional (3D) contrast-enhanced magnetic resonance (CE-MR) venography protocol for evaluation of intracranial venous system using highly accelerated parallel imaging at 3.0 T. MATERIALS AND METHODS:Ten patients (4 male, 6 female; age,...

    journal_title:Investigative radiology

    pub_type: 临床试验,杂志文章

    doi:10.1097/01.rli.0000236992.21065.04

    authors: Nael K,Fenchel M,Salamon N,Duckwiler GR,Laub G,Finn JP,Villablanca JP

    更新日期:2006-10-01 00:00:00

  • Opacification phase effects of angiographic contrast medium on left ventricular size and function: influence of initial ventricular volume and the pericardium.

    abstract::Prior studies of the opacification-phase effects of left ventricular (LV) injection of angiographic contrast medium (CM) on LV size and function have yielded discrepant results. A sensitive ultrasonic technique was used to measure LV dimension (Di) in 10 open-chest dogs with physiologic heart rates, and injection of s...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-198209000-00009

    authors: LeWinter MM,Pavelec RS

    更新日期:1982-09-01 00:00:00

  • Temperature-Sensitive Frozen-Tissue Imaging for Cryoablation Monitoring Using STIR-UTE MRI.

    abstract:PURPOSE:The aim of this study was to develop a method to delineate the lethally frozen-tissue region (temperature less than -40°C) arising from interventional cryoablation procedures using a short tau inversion-recovery ultrashort echo-time (STIR-UTE) magnetic resonance (MR) imaging sequence. This method could serve as...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0000000000000642

    authors: Tokuda J,Wang Q,Tuncali K,Seethamraju RT,Tempany CM,Schmidt EJ

    更新日期:2020-05-01 00:00:00

  • Magnetic resonance imaging and histologic findings of experimental cerebral fat embolism.

    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

    pub_type: 杂志文章

    doi:10.1097/01.rli.0000077055.48406.e2

    authors: Kim HJ,Lee CH,Lee SH,Moon TY

    更新日期:2003-10-01 00:00:00

  • Establishing Reference Intervals for Gadolinium Concentrations in Blood, Plasma, and Urine in Individuals Not Previously Exposed to Gadolinium-Based Contrast Agents.

    abstract:OBJECTIVES:Over the recent years, there have been increasing concerns that exposure to gadolinium-based contrast agents (GBCAs) may be associated with retention of Gd within the skin, bones, and solid organs in patients with normal renal function, although the clinical implications of this deposition remain to be estab...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0000000000000657

    authors: Layne KA,Wood DM,Dixon-Zegeye M,Archer JRH,Raja K,Dargan PI

    更新日期:2020-07-01 00:00:00

  • Expert learning system network for diagnosis of breast calcifications.

    abstract::Breast calcification diagnosis was studied by using clinical findings and computerized image processing of a mammogram in a network of trained expert learning systems (Outcome Advisor [OA]). The system was tested with records not used for training and performance was compared with radiologist. The network was 72% accu...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199106000-00004

    authors: Patrick EA,Moskowitz M,Mansukhani VT,Gruenstein EI

    更新日期:1991-06-01 00:00:00

  • Safety and efficacy of dotarem (Gd-DOTA) versus magnevist (Gd-DTPA) in magnetic resonance imaging of the central nervous system.

    abstract:RATIONALE AND OBJECTIVES:Gd-DTPA is a well-characterized, safe contrast agent frequently used in magnetic resonance imaging (MRI) of the central nervous system. The purpose of this double-blind, comparative MRI study of brain, spine, trunk, and limbs was to evaluate the safety and efficacy of Gd-DOTA versus Gd-DTPA in ...

    journal_title:Investigative radiology

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:10.1097/00004424-199502000-00002

    authors: Oudkerk M,Sijens PE,Van Beek EJ,Kuijpers TJ

    更新日期:1995-02-01 00:00:00

  • Contrast-detail phantom study for x-ray spectrum optimization regarding chest radiography using a cesium iodide-amorphous silicon flat-panel detector.

    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

    authors: Hamer OW,Völk M,Zorger N,Borisch I,Büttner R,Feuerbach S,Strotzer M

    更新日期:2004-10-01 00:00:00

  • Treatment of experimental adenocarcinomas by percutaneous intratumoral injection of absolute ethanol.

    abstract::Percutaneous injection of absolute ethanol into adenocarcinomas implanted in the hind leg of rats was evaluated as a potential cancer treatment. Intramuscular alcohol injections up to 10 mL/kg produced a local dose-dependent coagulation necrosis followed by granulation tissue formation and subsequent fibrosis but no a...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-198706000-00005

    authors: Burgener FA,Steinmetz SD

    更新日期:1987-06-01 00:00:00

  • Analysis of edge-tracking errors inherent in fluoroscopic images of the beating heart.

    abstract:RATIONALE AND OBJECTIVES:Because of the complex relationships between the dynamic three-dimensional cardiac surface shape and its projected image, errors arise with the use of two-dimensional silhouettes to measure displacements of the heart. The character and frequency of such errors are examined. METHODS:A high-prec...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199403000-00004

    authors: McInerney JJ,Weldner PW,Herr MD,Copenhaver GL

    更新日期:1994-03-01 00:00:00

  • Normal renal blood flow measurement using phase-contrast cine magnetic resonance imaging.

    abstract:RATIONALE AND OBJECTIVES:This study assesses the ability of a cardiac-gated phase-contrast magnetic resonance imaging (MRI) technique to measure renal blood flow (RBF) noninvasively in humans. METHODS:In nine normal volunteers, total RBF in the renal arteries and in the left renal vein was estimated by MRI and correla...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199206000-00012

    authors: Sommer G,Noorbehesht B,Pelc N,Jamison R,Pinevich AJ,Newton L,Myers B

    更新日期:1992-06-01 00:00:00

  • Transverse ligament and its effect on meniscal motion. Correlation of kinematic MR imaging and anatomic sections.

    abstract:RATIONALE AND OBJECTIVES:To evaluate the effect of the transverse ligament on translation of the menisci. METHODS:Six cadaveric knees were examined by MR imaging inside a positioning device before and after transecting the transverse ligament. The knees were examined at various positions: extension, 30 degrees of flex...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199909000-00002

    authors: Muhle C,Thompson WO,Sciulli R,Pedowitz R,Ahn JM,Yeh L,Clopton P,Haghighi P,Trudell DJ,Resnick D

    更新日期:1999-09-01 00:00:00

  • Multislice CT angiography of the iliac arteries in the presence of various stents: in vitro evaluation of artifacts and lumen visibility.

    abstract:RATIONALE AND OBJECTIVES:To evaluate the imaging characteristics of various iliac artery stents and stent-grafts in a multislice, computed tomography angiography (MSCTA) phantom study. METHODS:Twelve types of stents and three stent-grafts made of different materials (steel, nitinol, tantalum, cobalt-based alloy) were ...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-200112000-00004

    authors: Maintz D,Fischbach R,Juergens KU,Allkemper T,Wessling J,Heindel W

    更新日期:2001-12-01 00:00:00

  • Intrapulmonary 3He gas distribution depending on bolus size and temporal bolus placement.

    abstract:OBJECTIVE:Dynamic ventilation (3)He-MRI is a new method to assess pulmonary gas inflow. As differing airway diameters throughout the ventilatory cycle can influence gas inflow this study intends to investigate the influence of volume and timing of a He gas bolus with respect to the beginning of the tidal volume on insp...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/RLI.0b013e3181690111

    authors: Gast KK,Hawig K,Windirsch M,Markstaller K,Schreiber WG,Schmiedeskamp J,Düber C,Kauczor HU,Heussel CP

    更新日期:2008-06-01 00:00:00

  • Technical feasibility and performance studies of a 0.009-inch nitinol microguidewire for potential neuroendovascular applications.

    abstract:RATIONALE AND OBJECTIVES:The authors conduct technical feasibility and performance studies on a new 0.009-inch nitinol microguidewire for potential neuroendovascular applications. METHODS:In vivo microcatheterizations of brachiocephalic arteries were performed in four pigs using the 0.009-inch nitinol microguidewire w...

    journal_title:Investigative radiology

    pub_type: 杂志文章

    doi:10.1097/00004424-199704000-00008

    authors: Putman CM,Chaloupka JC,Kailasnath P,Alderman J

    更新日期:1997-04-01 00:00:00