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Cardiac Diagnostics and Imaging
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Your search returned 18 results
from the time period: last 30 days.
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The American journal of cardiology
Abstract: The definition, presentation, and management of myocardial infarction (MI) have changed substantially in the last decade. Whether these changes have impacted on the presence, severity, and localization of necrosis at myocardial perfusion imaging (MPI) has not been appraised to date. Subjects undergoing MPI and reporting a history of clinical MI were shortlisted.
Endocrine Disorders (1)
Necrosis (6), Ischemia (2), Myocardial Infarction (2), more mentions
Journal of the American College of Cardiology 
No summary available
Cardiovascular Diseases (2)
Heart Diseases (1), Heart Valve Diseases (1), more mentions
The American journal of cardiology
Transradial approach (TRA) is the default access site for diagnostic angiography and intervention in many centers. Repeat ipsilateral radial artery access late after index procedure has been associated with failures. It is unknown whether early (≤30 days) and very early (<24 hours) repeat radial access is technically feasible and safe. Study population consisted of consecutive patients undergoing repeat (≥2) procedures within 30 days in a high-volume TRA center. Transradial access failure and resulting femoral approach was categorized as primary (no repeat attempt) or secondary (crossover). Timing of repeat access and reasons for failure were recorded. From November 2012 to December 2014, repeat catheterization by TRA was performed twice in 573 of 626 patients (92%) (median delay 4 [2 to 9] days), 3 times in 29 of 38 (76%) patients (median delay 15 [5 to 26] days), and 4 times in 1 patient within 21 days. When repeat catheterization occurred during the first 24 hours following the index procedure, 53% and 75% of patients had second and third procedures using the same ipsilateral radial artery, respectively. Primary radial failure occurred in 5.8% for second attempt and 13% for a third attempt, whereas crossovers were noted in 2.7% and 2.6%, respectively. Main reasons for failed re-access of ipsilateral radial artery were related either to operator's reluctance to repeat attempt (primary failure) or to issues with puncture site (crossover). In a high-volume TRA center, patients who required repeat catheterization within 24 hours and within the first 30 days had the same radial artery re-accessed in the majority of cases.
The American journal of cardiology
Abstract: Transradial access for coronary angiography and intervention is preferred over the femoral approach but can ... years, 64% male) in whom transradial access was attempted for coronary angiography or intervention to identify predictors of transradial access failure... age, and smaller height independently predict transradial access failure in coronary angiography and intervention.
Myocardial Infarction (2), more mentions
The American journal of cardiology
Patients with continuous-flow left ventricular assist devices (LVADs) are at elevated risk of developing ventricular arrhythmias (VA), which can result in right ventricular dysfunction and abnormal LVAD function. Predictors of postoperative VA after LVAD placement are unclear. We hypothesized that global left ventricular circumferential strain (LVCS), a marker of transmural impairment in myocardial function, would independently predict postoperative VA in patients who underwent LVAD implantation. We studied 98 consecutive patients (57 ± 11 years, 83% men) who underwent HeartMate II axial flow LVAD placement. Speckle tracking-derived global circumferential strain was assessed from mid-left ventricular short-axis images. The primary composite end point was defined as any ventricular tachycardia that required intervention (anti-arrhythmic medication, cardioversion, implantable cardioverter defibrillator placement, implantable cardioverter defibrillator shock) or any ventricular fibrillation. A total of 33 patients (34%) experienced the primary end point (median follow-up: 7 months). Reduced LVCS was statistically significantly related to the primary end point (hazard ratio 1.77, 95% confidence interval 1.09 to 2.87 per 1 standard deviation reduction in LVCS, p = 0.02). LVCS above a cut-off value of -9.7% was associated with significantly reduced arrhythmia-free survival (log-rank p = 0.001). In conclusion, global LVCS is an independent predictor of ventricular arrhythmias after LVAD placement.
Cardiac Arrhythmia (4), Tachycardia (1), Ventricular Fibrillation (1), more mentions
Chest
AbstractText: To assess the agreement between transpulmonary thermodilution (TPT) and critical care echocardiography (CCE) in ventilated septic shock patients AbstractText: Ventilated patients in sinus rhythm requiring advanced hemodynamic assessment for septic shock were included in this prospective multicenter descriptive study... Keyword: echocardiography. Keyword: hemodynamic. Keyword: thermodilution.
Septic Shock (3), Pulmonary Heart Disease (1), more mentions
Critical care medicine
... occlusion alone but with a higher threshold, which might be more compatible with the precision of echocardiography AbstractText: Diagnostic study AbstractText: Medical ICU AbstractText: Thirty mechanically ventilated patients in whom fluid administration was ... This threshold is more compatible with the precision of echocardiography than that obtained by end-expiratory occlusion alone.
Journal of the American College of Cardiology 
CitationSubset: AIM. CitationSubset: IM. DescriptorName: Cardiology Service, Hospital. DescriptorName: Cardiovascular Diseases. DescriptorName: Echocardiography. DescriptorName: Female. DescriptorName: Follow-Up Studies. DescriptorName: Guideline Adherence. DescriptorName: Humans. DescriptorName: Male. DescriptorName: Practice Patterns, Physicians'. DescriptorName: Prospective Studies. DescriptorName: Single-Blind Method. AbstractText: Appropriate use criteria (AUC) have defined transthoracic echocardiogram (TTE) indications for which there is a clear lack of benefit as rarely appropriate ...
Cardiovascular Diseases (1)
Cardiovascular Diseases (1), more mentions
Radiology
Invasive coronary angiography (ICA) with measurement of fractional flow reserve (FFR) by means of ... However, the solely anatomic assessment provided with both coronary CT angiography and ICA has poor discriminatory power for ischemia-inducing lesions ... FFR derived from standard coronary CT angiography (FFRCT) data sets by using any of several advanced computational ...
Ischemia (1), Coronary Artery Disease (1), more mentions
Journal of cardiovascular computed tomography 
BACKGROUND: Coronary computed tomography angiography (CTA) and functional testing strategies for stable chest pain yield similar outcomes; one aspect that may guide test choice is safety. METHODS: We compared test safety (test complications, incidental findings, and effective radiation dose) between CTA and functional testing as-tested in PROMISE (PROspective Multicenter Imaging Study for Evaluation of Chest Pain). In the subgroup whose physicians intended nuclear stress over other functional tests if randomized to the functional arm, we compared radiation dose of CTA versus nuclear stress and identified characteristics associated with dose. RESULTS: Of 9470 patients, none had major and <1% had minor complications (CTA: 0.8% [37/4633] vs. functional: 0.6% [27/4837]). CTA identified more incidental findings (11.6% [539/4633] vs. 0.7% [34/4837], p < 0.001), most commonly pulmonary nodules (9.4%, 437/4633). CTA had similar 90-day cumulative radiation dose to functional testing. However, in the subgroup whose physicians intended nuclear stress (CTA 3147; nuclear 3203), CTA had lower median index test (8.8 vs. 12.6 mSv, p < 0.001) and 90-day cumulative (11.6 vs. 13.1 mSv, p < 0.001) dose, independent of patient characteristics. The lowest nuclear doses employed 1-day Tc-99m protocols (12.2 mSv). The lowest CTA doses were at sites performing ≥500 CTAs/year (6.9 mSv) and with advanced (latest available) CT scanners (5.5 mSv). CONCLUSION: Complications were negligibly rare for both CTA and functional testing. CTA detects more incidental findings. Compared to nuclear stress testing, CTA's lower radiation dose, independent of patient characteristics, makes it an attractive test choice. Radiation dose varies with imaging protocol, indicating opportunities to further reduce dose. (ClinicalTrials.gov number, NCT01174550).
Coronary Artery Disease (1), more mentions
Heart (British Cardiac Society)
The 2016 National Institute for Health and Care Excellence guidelines for chest pain: better outcomes with cardiac CT..
American heart journal
... patients with acute coronary syndromes to percutaneous coronary interventions (PCIs) or coronary artery bypass grafting (CABG) and, furthermore, to study gender differences in complications and mortality AbstractText: All consecutive coronary angiographies (CAs) and PCIs performed in Sweden and Iceland are prospectively registered in the Swedish Coronary Angiography and Angioplasty Registry.
Pathologic Constriction (1), Coronary Artery Disease (1), more mentions
Heart (British Cardiac Society) 
AbstractText: To evaluate the diagnostic and prognostic benefits of CT coronary angiography (CTCA) using the 2016 National Institute for Health and Care ... invasive angiography (p=0.481) but markedly reduced rates of normal coronary angiography (HR 0.32 (0.19 to 0.52), p <0.001... 1.13 to 2.92), p=0.014) without reducing rates of normal coronary angiography (HR 0.78 (0.30 to 2.05), p=0.622.
Myocardial Infarction (2), Stable Angina (1), Coronary Artery Disease (1), more mentions
Anesthesia and analgesia
Transesohageal Echocardiographic-Guided Transapical Neochord Implantation..
Heart (British Cardiac Society) 
No summary available
Heart rhythm
AbstractText: Transvenous lead extraction (TLE) carries a significant risk of intraprocedural complications. Phased-array intracardiac echocardiography (ICE) is widely used during cardiac procedures; however, its utility during TLE has not been well described AbstractText: We sought to define the utility of ICE imaging during TLE AbstractText: Fifty patients referred for TLE were included... Keyword: Intracardiac echocardiography. Keyword: Lead binding sites.
Bacteremia (2), more mentions
Heart (British Cardiac Society)
Role of echocardiography in the diagnosis and management of hypertrophic cardiomyopathy..
Hypertrophic Cardiomyopathy (2), more mentions
Annals of emergency medicine
Guidelines for the Use of Transesophageal Echocardiography (TEE) in the ED for Cardiac Arrest..
Men's Health (2)
Heart Arrest (2), more mentions