abstract：:We present a case that demonstrates myocardial fibrosis detected on a cardiac computed tomography study performed for the evaluation of chest pain in a patient with hypertrophic cardiomyopathy. We describe the correlation between echocardiographic strain imaging, quantitative positron emission tomography, and computed...

journal_title：Journal of cardiovascular computed tomography

authors： Gore R,Abraham T,George RT

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND:Risk assessment in the extensive calcified plaque phenotype has been limited by small sample size. OBJECTIVE:We studied all-cause mortality rates among asymptomatic patients with markedly elevated Agatston scores > 1000. METHODS:We studied a clinical cohort of 44,052 asymptomatic patients referred for coro...

journal_title：Journal of cardiovascular computed tomography

authors： Patel J,Blaha MJ,McEvoy JW,Qadir S,Tota-Maharaj R,Shaw LJ,Rumberger JA,Callister TQ,Berman DS,Min JK,Raggi P,Agatston AA,Blumenthal RS,Budoff MJ,Nasir K

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Neonates with complex congenital heart disease (CHD) are at risk of adverse events from anesthesia. CT angiography (CTA) performed free breathing and without sedation has not been reported for evaluation of complex CHD in neonates. OBJECTIVES:The aim was to evaluate the image quality and risk of free breath...

journal_title：Journal of cardiovascular computed tomography

authors： Han BK,Overman DM,Grant K,Rosenthal K,Rutten-Ramos S,Cook D,Lesser JR

更新日期：2013-11-01 00:00:00

abstract：:A 62-year-old woman underwent percutaneous transhepatic obliteration of a giant portal-systemic shunt. Just after inserting a coil into the shunt, it slipped through the giant shunt and migrated to the right atrium. CT showed coil migration into the coronary sinus. ...

journal_title：Journal of cardiovascular computed tomography

authors： Kawai H,Kato Y,Motoyama S,Sarai M,Ozaki Y

更新日期：2013-09-01 00:00:00

abstract：:Here, we report about a 34-year-old man with tuberous sclerosis. During routine surveillance, a CT scan of the chest incidentally showed a low-attenuation streak within the left ventricle. Cardiac magnetic resonance imaging confirmed intramyocardial lipid deposition within the left ventricle. Tuberous sclerosis is an ...

journal_title：Journal of cardiovascular computed tomography

authors： Friesen T,Kirkpatrick ID,Jassal DS

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Myocardial fibrosis (MF) occurs in up to 80% of subjects with asymptomatic or mildly symptomatic hypertrophic cardiomyopathy (HCM) and can constitute an arrhythmogenic substrate for re-entrant, life-threatening ventricular arrhythmias in predisposed persons. OBJECTIVE:The aim was to investigate whether MF d...

journal_title：Journal of cardiovascular computed tomography

authors： Shiozaki AA,Senra T,Arteaga E,Martinelli Filho M,Pita CG,Ávila LF,Parga Filho JR,Mady C,Kalil-Filho R,Bluemke DA,Rochitte CE

更新日期：2013-05-01 00:00:00

abstract：:This case report describes a unique form of a complex congenital anomaly; ventricular septal defect associated with patent ductus arterious and coarctation of aorta in a 21-year-old patient with a multimodality approach. ...

journal_title：Journal of cardiovascular computed tomography

authors： Kaya H,Ertaş F,Alizade E

更新日期：2013-03-01 00:00:00

abstract：BACKGROUND:Sudden cardiac death is the leading cause of death among firefighters in the United States. Fire departments commonly maintain physical examination protocols, often with exercise stress testing, to detect risk of coronary heart disease. OBJECTIVE:We sought to determine whether coronary calcium detected by e...

journal_title：Journal of cardiovascular computed tomography

authors： Santora LJ,Pillutla P,Norris T,Santora R,Brandt R,Jenkins M,Robinson M,Santora N,Budoff MJ

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Computed tomography (CT) annular measurements are predictive of paravalvular regurgitation after transcatheter aortic valve replacement (TAVR) which is a predictor of mortality and morbidity. OBJECTIVES:To demonstrate the rationale and potential implications of new CT sizing recommendations for TAVR. METHO...

journal_title：Journal of cardiovascular computed tomography

authors： Willson AB,Webb JG,Freeman M,Wood DA,Gurvitch R,Thompson CR,Moss RR,Toggweiler S,Binder RK,Munt B,Cheung A,Hague C,Ye J,Leipsic JA

更新日期：2012-11-01 00:00:00

abstract：:Computed tomography (CT) plays an important role in the workup of patients who are candidates for implantation of a catheter-based aortic valve, a procedure referred to as transcatheter aortic valve implantation (TAVI) or transcatheter aortic valve replacement (TAVR). Contrast-enhanced CT imaging provides information ...

journal_title：Journal of cardiovascular computed tomography

authors： Achenbach S,Delgado V,Hausleiter J,Schoenhagen P,Min JK,Leipsic JA

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:Enlargement of the LA is known to increase the risk of atrial fibrillation (AF) and its associated complications. However, the relation between other left atrial (LA) anatomical abnormalities and the risk of developing AF is less well described. OBJECTIVE:The aim of this study was to compare the prevalence ...

journal_title：Journal of cardiovascular computed tomography

authors： Lazoura O,Reddy T,Shriharan M,Lindsay A,Nicol E,Rubens M,Padley S

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:Arrhythmia during coronary computed tomography angiography (coronary CTA) acquisition increases the risk of nondiagnostic segments and high radiation exposure. An advanced arrhythmia rejection algorithm for prospectively electrocardiogram (ECG)-triggered axial scans using dual-source CT (DSCT) examinations h...

journal_title：Journal of cardiovascular computed tomography

authors： Lee AM,Engel LC,Shah B,Liew G,Sidhu MS,Kalra M,Abbara S,Brady TJ,Hoffmann U,Ghoshhajra BB

更新日期：2012-05-01 00:00:00

abstract：:Magnetic particle imaging (MPI) is a new medical imaging technique which performs a direct measurement of magnetic nanoparticles, also known as superparamagnetic iron oxide. MPI can acquire quantitative images of the local distribution of the magnetic material with high spatial and temporal resolution. Its sensitivity...

journal_title：Journal of cardiovascular computed tomography

authors： Borgert J,Schmidt JD,Schmale I,Rahmer J,Bontus C,Gleich B,David B,Eckart R,Woywode O,Weizenecker J,Schnorr J,Taupitz M,Haegele J,Vogt FM,Barkhausen J

更新日期：2012-05-01 00:00:00

abstract：:We present a case of a primary cardiac B-cell lymphoma where a multiphase-gated cardiac CT exam helped to successfully guide trans-sternal needle biopsy to establish a tissue diagnosis. ...

journal_title：Journal of cardiovascular computed tomography

authors： Shah RN,Simmons TW,Carr JJ,Entrikin DW

更新日期：2012-03-01 00:00:00

abstract：:Myocardial bridging describes the clinical entity whereby a segment of coronary artery is either partially or completely covered by surrounding myocardium. It represents the most frequent congenital coronary anomaly and has an estimated prevalence of ≤13% on angiographic series. With the emergence of cardiac computed ...

journal_title：Journal of cardiovascular computed tomography

authors： Nakanishi R,Rajani R,Ishikawa Y,Ishii T,Berman DS

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to test the diagnostic accuracy of myocardial CT perfusion (CTP) imaging using color and gray-scale image analysis. BACKGROUND:Current myocardial CTP techniques have varying diagnostic accuracy and are prone to artifacts that impair detection. This study evaluated the diagnost...

journal_title：Journal of cardiovascular computed tomography

authors： Busch JL,Alessio AM,Caldwell JH,Gupta M,Mao S,Kadakia J,Shuman W,Budoff MJ,Branch KR

更新日期：2011-11-01 00:00:00

abstract：:A 41-year-old male with prior history of aortic root replacement for infectious endocarditis was found to have a pseudoaneurysm in the fibrous continuity between the aortic and mitral valves: the so called "mitral-aortic intervalvular fibrosa." Preoperative cardiac-gated computed tomographic angiography and intraopera...

journal_title：Journal of cardiovascular computed tomography

authors： Entrikin DW,Shroff GS,Kon ND,Carr JJ

更新日期：2011-09-01 00:00:00

abstract：:Since the emergence of cardiac computed tomography (CT) at the turn of the 21st century, there has been an exponential growth in research and clinical development of the technique, with contributions from investigators and clinicians from varied backgrounds: physics and engineering, informatics, cardiology, and radiol...

journal_title：Journal of cardiovascular computed tomography

authors： Weigold WG,Abbara S,Achenbach S,Arbab-Zadeh A,Berman D,Carr JJ,Cury RC,Halliburton SS,McCollough CH,Taylor AJ,Society of Cardiovascular Computed Tomography.

更新日期：2011-05-01 00:00:00

abstract：:As populations in Western civilizations are aging, the prevalence of degenerative aortic valve stenosis is increasing. CT imaging provides information on aortic valve pathology in many ways: In nonenhanced scans, aortic valve calcification can be quantified accurately, which helps to understand the pathogenesis and pr...

journal_title：Journal of cardiovascular computed tomography

authors： Pflederer T,Achenbach S

更新日期：2010-11-01 00:00:00

abstract：:Coronary arterial microfistulae are abnormal connections between one or multiple coronary arteries and any cardiac chamber, vein, or thoracic vessel. They comprise a subsection of coronary fistulas where the abnormal connections are diffuse, as opposed to the larger, more common single vessel varieties. Most of these ...

journal_title：Journal of cardiovascular computed tomography

authors： Mitchell GR,Morgan-Hughes G,Roobottom C

更新日期：2010-07-01 00:00:00

abstract：:An 82-year-old patient developed right heart failure in the days after surgical aortic valve replacement. Coronary CT angiography showed a high-grade stenosis of the mid-right coronary artery. Adjacent suture material seen on noncontrast CT suggested that the lesion was related to surgical closure of the right atrial ...

journal_title：Journal of cardiovascular computed tomography

authors： Seltmann M,Achenbach S,Muschiol G,Feyrer R

更新日期：2010-05-01 00:00:00

abstract：BACKGROUND:Hypoenhanced regions on multidetector CT (MDCT) coronary angiography correlate with myocardial hyperperfusion. In addition to a limited capillary density, chronic myocardial infarction (MI) commonly contains a considerable amount of adipose tissue. OBJECTIVE:We explored whether regional myocardial hypoenhan...

journal_title：Journal of cardiovascular computed tomography

authors： Rodríguez-Granillo GA,Rosales MA,Renes P,Diez E,Pereyra J,Gomez E,De Lillo G,Degrossi E,Rodriguez AE,McFadden EP

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:Technical advances to minimize radiation exposure because of imaging are in accord with the "as low as reasonably achievable" principle. OBJECTIVE:We aimed to determine whether coronary calcium scoring (CCS) by multidetector CT at a tube voltage of 100 kVp yields comparable results to the standard 120-kVp p...

journal_title：Journal of cardiovascular computed tomography

authors： Nakazato R,Dey D,Gutstein A,Le Meunier L,Cheng VY,Pimentel R,Paz W,Hayes SW,Thomson LE,Friedman JD,Berman DS

更新日期：2009-11-01 00:00:00

abstract：:Cardiovascular compute tomography (CT) is now a robust tool for the evaluation of coronary artery atherosclerosis and stenosis. A number of single-center studies, and now multicenter trials, have shown that the diagnostic accuracy of this tool compares favorably with the reference standard of conventional coronary ang...

journal_title：Journal of cardiovascular computed tomography

authors： Bragadeesh TK,Shapiro MD

更新日期：2009-11-01 00:00:00

abstract：:Images of a case showing Gerbode defect are presented with transesophageal echo correlation. ...

journal_title：Journal of cardiovascular computed tomography

authors： Mendoza DD,Wang Z,Gaglia MA,Taylor AJ

更新日期：2009-07-01 00:00:00

abstract：:In this article, we review the current status and discuss potential further improvements and limitations of system parameters relevant for cardiac CT, in particular spatial resolution, temporal resolution, and volume coverage. ...

journal_title：Journal of cardiovascular computed tomography

authors： Flohr TG,Raupach R,Bruder H

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Left atrial (LA) volume is a predictor of cardiovascular events. Information on LA volume is available on contrast-enhanced electrocardiogram (EGC)-gated multidetector computed tomography (MDCT) scans. OBJECTIVE:To assess interobserver and intraobserver reproducibility of 3-dimensional threshold-based volum...

journal_title：Journal of cardiovascular computed tomography

authors： Mahabadi AA,Samy B,Seneviratne SK,Toepker MH,Bamberg F,Hoffmann U,Truong QA

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND:Data are limited on using 64-slice multidetector computed tomography (MDCT) as a gatekeeper to cardiac catheterization in patients with mild abnormalities on myocardial perfusion stress imaging (MPI). OBJECTIVE:We compared the rate of invasive coronary angiography (ICA) within 6 months after finding mildly ...

journal_title：Journal of cardiovascular computed tomography

authors： Hines JL,Danciu SC,Shah M,Borg MJ,Biga C

更新日期：2008-11-01 00:00:00

abstract：:The use of cardiac computed tomography (CT) to noninvasively visualize the coronary arteries has rapidly increased during the last few years but thereby also has raised concerns about the amount of radiation exposure and its potentially associated hazards. In this article, we summarize several strategies and new scann...

journal_title：Journal of cardiovascular computed tomography

authors： Hausleiter J,Meyer T

更新日期：2008-09-01 00:00:00

abstract：:Cardiac computed tomography (CT) angiography permits detection of myocardial scars through "late enhancement." We report the case of a patient with suspected cardiac sarcoidosis. Because of implanted defibrillator leads, magnetic resonance imaging was not possible. Dual-source CT with intravenous contrast injection wa...

journal_title：Journal of cardiovascular computed tomography

authors： Muth G,Daniel WG,Achenbach S

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:Intramyocardial fat deposition occurs as an age-related process and in multiple pathologic processes. OBJECTIVE:We evaluated the presence of left ventricular (LV) and right ventricular (RV) intramyocardial fat with 64-slice multidetector computed tomography (MDCT). METHODS:One hundred persons with no histo...

journal_title：Journal of cardiovascular computed tomography

authors： Raney AR,Saremi F,Kenchaiah S,Gurudevan SV,Narula J,Narula N,Channual S

更新日期：2008-05-01 00:00:00

abstract：INTRODUCTION:We aimed to characterize artifacts observed in a routine clinical coronary CT angiography (CCTA) performed by a dual-source CT (DSCT) scanner (Definition; Siemens Medical Solutions). METHODS:Studies of 167 consecutive patients referred for CCTA, performed after beta-blockade (if not contraindicated), were...

journal_title：Journal of cardiovascular computed tomography

authors： Dey D,Lee CJ,Ohba M,Gutstein A,Slomka PJ,Cheng V,Suzuki Y,Suzuki S,Wolak A,Le Meunier L,Thomson LE,Cohen I,Friedman JD,Germano G,Berman DS

更新日期：2008-03-01 00:00:00

abstract：:To comment that cardiac computed tomography angiography (CCTA) is an exciting tool in the evaluation of coronary artery disease (CAD) is an understatement. As a new method, however, differing clinical and reimbursement guidelines exist to guide the use of the method, resulting in confusion among referring and interpre...

journal_title：Journal of cardiovascular computed tomography

authors： Shen M,Saxena N,Thomas GS

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Most unexpected cardiovascular events occur in persons at intermediate risk of coronary artery disease (10%-20% 10-year risk). Coronary artery calcium (CAC) has been shown to be highly specific for atherosclerosis, occurring only in the intima of the coronary arteries. Evidence shows that elevated coronary c...

journal_title：Journal of cardiovascular computed tomography

authors： Shareghi S,Ahmadi N,Young E,Gopal A,Liu ST,Budoff MJ

更新日期：2007-12-01 00:00:00

abstract：:The acquisition of diagnostic cardiovascular computed tomography (CT) images requires careful preparation of the patient before scanning. Guidelines for patient preparation are largely dictated by scanner capabilities and the technical limits they impose on patient-specific characteristics. The objective of this paper...

journal_title：Journal of cardiovascular computed tomography

authors： Halliburton SS,Abbara S

更新日期：2007-07-01 00:00:00