Jan 31, 2014 the european society of cardiology recommends that patients with 10% area of ischemia should receive revascularization. Striving for consistency in the measurement of lvef and left. The current release is designed for the analysis of fmri, pet, spect. The 4dmspect allinclusive quantification package offers stateoftheart interpretation and display tools. The occluded artery trial oat viability ancillary study. However, there remained an excellent linear relationship between the measures obtained by the two software programs when a dynamic phantom was used as the reference standard. Area of ischemia assessed by physicians and software packages. Spect processing, quantification, and display clinical gate. Interactive standalone applications for the automatic segmentation, quantification, analysis and display of. Cedarssinai cardiac suite includes quantitative gated spect software qgs, quantitative perfusion. Softwaredependent processing variability in spect functional parameters. Qps cedars sinai emory cardiac toolbox ectb corridor 4dm or 4dm spect the program and the version of the program will. It is based on an older windows software program that has been in use by agencies all over the country for over 20.
Automatic generation of left ventricle lv inner and outer surfaces and valve plane from three or four dimensional respectively static or gated lv short axis perfusion spect data, using usersupplied hints if available e. We aimed to compare the three commonly used software packages, emory cardiac toolbox ect v2 and ect v3, 4dmspect 4dm v2 and 4dm v4 and quantitative perfusion spect qps v3 and qps v4. The average of normal bandwidth significantly differed among the four software programs except in the comparison of 4dm and ectb. Diagnostic evaluation of three cardiac software packages using a. Comparison of transient ischemic dilation ratios in spect. Spek free acoustic spectrum analyzer spectrogram viewer.
Assessment of cardiac dyssynchrony using gated myocardial perfusion singlephoton emission computed tomography spect or positron emission tomography pet in quantification software programs can. Normal values and standardization of parameters in nuclear. Objectives comparison and evaluation of lvef between software programs qgs, ect and 4dmspect in mpi with cc and ce. Comparison of phase dyssynchrony analysis using gated myocardial perfusion imaging with four software programs.
Objectives comparison and evaluation of lvef between software programs qgs, ect and 4dm spect in mpi with cc and ce. Our innovative and experienced team of nuclear cardiology specialists offers a full range of studies to diagnose conditions affecting the heart, including. Digirad provides a wide range of nuclear gamma camera accessories including software, collimators and training for our ergo, xact and cardius cameras. Spectrum dynamics medical changed all that several years ago with the introduction of the first clinical cadmium zinc telluride czt based nuclear cardiac imaging system, the d spect. Corridor4dm 4dm, cardiorepo crepo, emory cardiac toolbox ectb, and quantitative gated spect qgs. We present a few free tools which can be used to check every hardware detail of your computer especially in windows. Automatic processing was carried out using 4dm, ectb, and qps software packages.
Comparison of diagnostic performance of four software. On blandaltman analysis, 4dmspect was found to have. Normal databases were derived from the japanese society of nuclear medicine working group n 69. Medical software is a broad term that includes any systems that help manage the clinical and administrative functions of healthcare organizations. Interobserver agreement was in general excellent with all software packages. Product information 4dm powered by invia vital images.
Absolute myocardial flow quantification with 82rb petct. For example, most versions of emory cardiac toolbox and corridor 4dm spect report reversible defect size while most versions of cedars. Nov 20, 2011 this site provides access to the latest kspect software and related documentation. They are the highest quality models available, capable of hundreds and even thousands of frames.
Correlation with equilibrium radionuclide ventriculography in the. The michigan method for quantitative nuclear cardiology. The resulting normal spanish database for males and females was compared with the north american population database from 70 men and 60 women provided with the 4dm spect software. Accuracy of ventricular volume and ejection fraction measured. Reference ranges for lvef and lv volumes from electrocardiographically gated 82rb cardiac petct using commercially available software paco e. Comparison of transient ischemic dilation ratios in spect and. Quantitative assessment of resting and stress mbf with 82rb pet is dependent on the software. Poster interobserver reproducibility of an automated software program for estimating coronary flow reserve from dynamic rb82 pet studies jonathan b. Automated quantification of myocardial ischemia and wall. Epic system provides data management, archival, retreival, display and analysis procedures for oceanographic time series and hydrographic data. However, lvm quantitation with widely utilized gated spect myocardial perfusion imaging mpi software, has little validation and clinical application. The results were then compared to the values provided in the 4dmspect commercial software program to determine whether there were differences.
Speccy shows information about more hardware devices than cpuz. Systems have been tailored to automate just about every healthcare process, including billing, patient scheduling, creating and managing patient records. Read normal values and standardization of parameters in nuclear cardiology. The aim of this study was to determine normal ranges and factors affecting phase parameters. Quantification of myocardial perfusion in clinical trials. Spek is free and open source software licensed under gplv3.
On blandaltman analysis, 4dm spect was found to have systematically higher volumes. Two expert nuclear medicine physicians interpreted scans independently and according to 20segment. Stress myocardial perfusion spect pet exercise stress, pharmacological stress testing thallium, sestamibi, vasodilator stress adenosine, regadenoson, dobutamine stress test. The basic view for the program s settings runs scans, unblock applications, updates the program, and runs software in a virtual mode, while the advanced view reports more details about those areas of the program. Exhibitor spotlight session, saturday, april 30, 7. Spect software analysis programs the most common are. Medical professionals world wide use 4dm to assist with their. Tid ratios are then measured by dividing stress mean lv volumes by rest mean lv volumes. Gender differences in ventricular volumes and left ventricle. Bravo, david chien, mehrbod javadi, jennifer merrill, and frank m. Diagnostic evaluation of three cardiac software packages.
Comparison of diagnostic performance of four software packages for. Morgan department of radiology and radiological science, johns hopkins university. Phase analysis of gated myocardial perfusion singlephoton emission computed tomography spect for assessment of left ventricular lv dyssynchrony was investigated using the following dedicated software packages. The mean difference in ef obtained by the two programs was 9. The sequences can be a series of images from different cohorts, or timeseries from the same subject. Writing software requirements specifications srs techwhirl. Myocardial perfusion imaging in women for the evaluation of stable ischemic heart disease stateoftheevidence and clinical recommendations 2017. Pdf comparison of diagnostic performances of three. Photo dater is the ultimate program for placing datetime stamps on your photos.
Belarc advisor is a free software program that compliments windows system information. Assessment of left ventricular ejection fraction lvef on. Retrospect backup protects businesses from data loss on windows, mac, linux, vmware, and hyperv for servers, desktops, and laptops. The aim of this study was to compare the diagnostic performance of the three software packages 4dmspect 4dm, emory cardiac toolbox ectb, and cedars quantitative perfusion spect qps for quantification of myocardial perfusion scintigram mps using a large group of consecutive patients. See a quick summary, or dive deeper into every aspect of your pcs.
Regional mbf and cfr according to vascular territories showed similar results. Ventricular volumes and left ventricle ejection fraction lvef may be estimated in the myocardial perfusion single photon emission computed tomography spect by different software programs. The software programs showed high correlation levels for. How to check computer specs with free windows tools. Asnc imaging guidelines for nuclear cardiology procedures 2017. In the 21st century, most nuclear cameras are still relying on sodium iodide crystals and vacuum tubes.
Moreover, the normal phase sd significantly differed among the four software programs except in the comparison of crepo and ectb. Nakajima k1, higuchi t, taki j, kawano m, tonami n. The aim of this study was to compare the diagnostic performance of the three software packages 4dmspect 4dm, emory cardiac toolbox ectb, and cedars quantitative perfusion spect. A templatebased method for semiquantitative single. Invia medical imaging solutions, 4dm and quantitative. You can customize nearly everything about the stamp, specifying your.
Ventricular volumes and left ventricle ejection fraction lvef may be estimated in the myocardial perfusion singlephoton emission computed tomography spect by different software programs. Methods 699 subjects 361 m, 338 f with or without known cad were retrospectively studied. The findings were analyzed using the 4dmspect commercial software package. With 4dm v20 and higher, motion correction is part of the spect reconstruction option. Software dependent processing variability in spect. The spect mpi software program determines the analysis method. Comparison of software programs for the assessment of left ventricular ejection fraction using 99mtctetrofosmingated spect ct. All images were analyzed centrally at the cardiac imaging core laboratory at tufts medical center, blinded both to oat treatment assignment and to spect study timing baseline vs 1 year, using standard quantitative techniques from validated commercially available software 4dm spect. The application provides tools for processing and displaying standard nongated and ecg gated and nongated cardiac spect. The help file links to a product web page, but its more than adequate, and speccys about as easy to use as any program out there. The application provides tools for processing and displaying standard nongated and ecg gated and nongated cardiac spect volumes on both a slicebyslice basis and as 3dimensional surface rendered images in many user selectable formats. This thesis presents the templatebased quantitative perfusion spect tqps method, which is designed for the semiquantitative analysis in spect myocardial perfusion imaging mpi.
Resting and vasodilatorstress mbf and cfr were derived using three software applications. Since gating acquisitions were performed only for the stress phases of the studies, nongated stress and rest. Japanese society of nuclear medicine working group database, annals of nuclear medicine on deepdyve, the. In this report, we examined the sources of variability in the measurement of pds using ectb varectb, 4dm var4dm and qps varqps. Linear correlation coefficient for global cfr varied between 0. Comparison of software programs for the assessment of left. We recently showed that quantitative perfusion spect qps, emory cardiac toolbox ectb and 4dimensionmyocardial spect 4dm yielded discordant results in the assessment of perfusion defect size pds in patients with known or suspected coronary artery disease. Writing software requirements specifications for technical writers who havent had the experience of designing software requirements specifications srss, also known as software functional. The 4dmspect program only provides normal values at stress. Unlike the native windows program, you will need to download and install the software. For example, most versions of emory cardiac toolbox and corridor 4dm spect report reversible defect size while most versions of cedars sinai qps report the summed difference score.
Speccy is an advanced information tool which is available as an installer and portable program. Normal myocardial perfusion spect database for the spanish. While gated myocardial perfusion spect mps is primarily performed for the assessment of myocardial perfusion, its ability to assess left ventricular lv volumes and function is an extremely useful complement. May 09, 2007 the package also offers a volume registration tool for fast and accurate alignment of data originating from multiple cameras and modalities, as well as optional programs, such as 4dm spect cardiac analysis and neuroq pet brain analysis. An automatic motioncorrection program was applied in studies. Comparison of diagnostic performances of three different software. Based on the japanese society of nuclear medicine working group normal database. Qgs quantitative gated spect, ectb emory cardiac toolbox, 4dm. Aug 19, 2019 bravo et al evaluated reference values for lvef, lvesv, and lvedv in gated 82 rb cardiac petct using four different commercial software packages cardiq physio a dedicated pet software and three spect software packages emory cardiac toolbox, quantitative gated spect, and 4dm spect applied to the pet data and found that lvef and lv volumes. Left ventricular mass from gated spect myocardial perfusion. Rehabspec is a cloud based software solution for housing rehab. The findings were analyzed using the 4dm spect commercial software package.
In the current era of comparative effectiveness and outcomes research,1 it is mandatory to have robust estimators of disease, also useful for risk stratification and healthy decisionmaking. Left ventricular lv phase dyssynchrony parameters based on gated myocardial perfusion imaging varied among software programs. Corridor4dm 4dm, cardiorepo crepo, emory cardiac toolbox ectb, and quantitative gated spect. Qps cedars sinai emory cardiac toolbox ectb corridor 4dm or 4dm spect the program and the version of the program will determine if % lv ischemia is reportable on the sp form or if the summed segment scores are reported on the sp form. Dspect quantitative software packages spectrum dynamics. Three of these methods have become the most popular. Softwaredependent processing variability in spect functional. The cedarssinai quantitative gated spect software package qgs uses the edgedetection scheme for assessment of ventricular volumes and lvef. Gender differences in ventricular volumes and left. Pdf comparison of phase dyssynchrony analysis using. Left ventricular ejection fraction, endsystolic and end. Invia medical imaging solutions ann arbor page 5 of 8.
Lvef, esv, and edv were calculated at rest and during dipyridamoleinduced stress, using cardiq physio a dedicated pet software and the 3 major spect software packages emory cardiac toolbox, quantitative gated spect, and 4dm spect. Pdf comparison of diagnostic performance of four software. The purpose of this study was to evaluate the normal values of 95% histogram. Japanese society of nuclear medicine working group. Mar 23, 2017 phase analysis of gated myocardial perfusion singlephoton emission computed tomography spect for assessment of left ventricular lv dyssynchrony was investigated using the following dedicated software packages.
Technologists can perform all processing from within 4dm for spect datasets, eliminating the need for the technologist to switch programs, to help streamline the workflow. We investigated interobserver variability for the extent of ischemic defects reported by different physicians and by different software tools, and if interobserver variability was reduced when the physicians were provided with a computerized suggestion of the defects. Report bugs and request new features on the issue tracker. The aim program seeks to develop software to allow computers to process. Speccy is the place to start if you need to know whats inside your pc. Mean lvef was significantly different among all 4 software packages. The software programs showed high correlation levels for bandwidth. Systems have been tailored to automate just about every healthcare process, including billing, patient scheduling, creating and managing patient records, pictureimage archiving, prescribing medication and more. These algorithms calculate endocardial volumes bounded by endocardial surfaces and valve planes. Spectrum dynamics provides quantitative software from cedars sinai, invia andor syntermed emory toolbox to support the functionality of the dspect. The software programs applied in the quantitative and semiquantitative analysis of myocardial perfusion use databases of normal values obtained from volunteers with a low probability of having coronary disease. Comparison of phase dyssynchrony analysis using gated.
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