Implantable cardioverter defibrillators and cardiac resynchronisation
... most of the remainder were NYHA class III in the DINAMIT trial and NYHA class I in the IRIS trial. Mean LVEF was 28% in the DINAMIT trial and 35% in the IRIS trial. A meta-analysis of the 2 trials conducted by the Assessment Group reported no difference in all-cause mortality (RR 1.04, 95% CI 0.86 t ...
... most of the remainder were NYHA class III in the DINAMIT trial and NYHA class I in the IRIS trial. Mean LVEF was 28% in the DINAMIT trial and 35% in the IRIS trial. A meta-analysis of the 2 trials conducted by the Assessment Group reported no difference in all-cause mortality (RR 1.04, 95% CI 0.86 t ...
Hypoplasia of the Coronary Sinus with Coronary
... venous return, the Thebesian system of the atria a n d the right ventricle usually carries most of the blood supply from the heart. Occasionally, however, the venous draina g e exits by way of the left ventricular Thebesian system.'-* T h e present study represents a n unusual example of almost tota ...
... venous return, the Thebesian system of the atria a n d the right ventricle usually carries most of the blood supply from the heart. Occasionally, however, the venous draina g e exits by way of the left ventricular Thebesian system.'-* T h e present study represents a n unusual example of almost tota ...
Impact of Manual CPR on Increasing Coronary Perfusion
... The Important Role Circulation Plays in Defibrillation A growing body of evidence suggests that beyond a delay of about 3 minutes, reestablishing blood flow before defibrillation may improve the efficacy of electrical countershock. In fact, animal studies have demonstrated an increased survival when, ...
... The Important Role Circulation Plays in Defibrillation A growing body of evidence suggests that beyond a delay of about 3 minutes, reestablishing blood flow before defibrillation may improve the efficacy of electrical countershock. In fact, animal studies have demonstrated an increased survival when, ...
Placing the Risks Into Perspective - Scholar Commons
... physical activity and exercise training delay the development of atherosclerosis and reduce the incidence of coronary heart disease (CHD) events.1– 4 Nevertheless, vigorous physical activity can also acutely and transiently increase the risk of ...
... physical activity and exercise training delay the development of atherosclerosis and reduce the incidence of coronary heart disease (CHD) events.1– 4 Nevertheless, vigorous physical activity can also acutely and transiently increase the risk of ...
Diagnosis and Management of Heart Failure
... arteries and reduces blood flow to the cardiac muscle. Atherosclerosis also increases the risk of blood clotting. CAD can lead to angina, myocardial infarction and even death (AHA, 2016b; AHA, 2016d). Hypertension Systemic or pulmonary hypertension increases the heart's workload, leading to hypertro ...
... arteries and reduces blood flow to the cardiac muscle. Atherosclerosis also increases the risk of blood clotting. CAD can lead to angina, myocardial infarction and even death (AHA, 2016b; AHA, 2016d). Hypertension Systemic or pulmonary hypertension increases the heart's workload, leading to hypertro ...
Myocardial Perfusion Imaging with Computed Tomography: Can It
... arterial wall, while CT perfusion can determine the physiological significance of a stenosis and its ability to cause myocardial ischemia during stress. The technique is in its primordial stage of development, and for the time being it is used only for research purposes, although it may not be far f ...
... arterial wall, while CT perfusion can determine the physiological significance of a stenosis and its ability to cause myocardial ischemia during stress. The technique is in its primordial stage of development, and for the time being it is used only for research purposes, although it may not be far f ...
Role of Coronary Vasoconstriction in Ischemic Heart - J
... patients, before primary percutaneous coronary intervention (Clinical Trial Number: ACTRN12606000232538). Moreover, racial factors must also be considered because, unlike Caucasians, over 80% of Japanese patients had inducible spasm within 2 weeks of MI.25 Thus, similar to the above anemia analogy, ...
... patients, before primary percutaneous coronary intervention (Clinical Trial Number: ACTRN12606000232538). Moreover, racial factors must also be considered because, unlike Caucasians, over 80% of Japanese patients had inducible spasm within 2 weeks of MI.25 Thus, similar to the above anemia analogy, ...
Congenital Absence of Left Circumflex Coronary Artery
... the anatomical course of coronary artery anomalies and their relationship to other cardiac and non-cardiac structures, because of the three-dimensional nature of the images it provides. This makes CT angiography an imaging modality of choice for the investigation of known or suspected coronary arter ...
... the anatomical course of coronary artery anomalies and their relationship to other cardiac and non-cardiac structures, because of the three-dimensional nature of the images it provides. This makes CT angiography an imaging modality of choice for the investigation of known or suspected coronary arter ...
CV/CV Surgery Booklet - MC5751-10
... • Increasing recognition that more rapid reperfusion with primary angioplasty (percutaneous cardiac intervention, or PCI) is a critical determinant of survival in patients with ST-elevation MI (STEMI) led a multidisciplinary team to develop a faster process for achieving reperfusion with primary PCI ...
... • Increasing recognition that more rapid reperfusion with primary angioplasty (percutaneous cardiac intervention, or PCI) is a critical determinant of survival in patients with ST-elevation MI (STEMI) led a multidisciplinary team to develop a faster process for achieving reperfusion with primary PCI ...
QRS Duration Criteria to Select Patients for Cardiac
... severely prolonged QRS.26 This means that if the cutoff 150 ms is accepted, about half of all patients who currently qualify for CRT would be found ineligible for this therapy. In a study of nearly 3500 patients with HF, Shenkman et al24 found a stepwise increase in the prevalence of systolic LV dys ...
... severely prolonged QRS.26 This means that if the cutoff 150 ms is accepted, about half of all patients who currently qualify for CRT would be found ineligible for this therapy. In a study of nearly 3500 patients with HF, Shenkman et al24 found a stepwise increase in the prevalence of systolic LV dys ...
QRS Duration Criteria to Select Patients for Cardiac
... severely prolonged QRS.26 This means that if the cutoff 150 ms is accepted, about half of all patients who currently qualify for CRT would be found ineligible for this therapy. In a study of nearly 3500 patients with HF, Shenkman et al24 found a stepwise increase in the prevalence of systolic LV dys ...
... severely prolonged QRS.26 This means that if the cutoff 150 ms is accepted, about half of all patients who currently qualify for CRT would be found ineligible for this therapy. In a study of nearly 3500 patients with HF, Shenkman et al24 found a stepwise increase in the prevalence of systolic LV dys ...
022802 Aortic Stenosis - New England Journal of Medicine
... failure develop and are found to be due to aortic stenosis, the patient’s life span is drastically shortened unless the valve is replaced (Fig. 1). Of the 35 percent of patients with aortic stenosis who present with angina, half will die within five years in the absence of aortic-valve replacement. ...
... failure develop and are found to be due to aortic stenosis, the patient’s life span is drastically shortened unless the valve is replaced (Fig. 1). Of the 35 percent of patients with aortic stenosis who present with angina, half will die within five years in the absence of aortic-valve replacement. ...
Spironolactone Preserves Cardiac Norepinephrine Reuptake in Salt
... hearts and blank channels. Radioactivity was measured in the effluent. The amount of [3H]NE extracted by the hearts (uptake) was expressed as the percentage of radioactivity measured in the blank channels. ...
... hearts and blank channels. Radioactivity was measured in the effluent. The amount of [3H]NE extracted by the hearts (uptake) was expressed as the percentage of radioactivity measured in the blank channels. ...
Transcatheter occlusion of left atrial appendage for stroke
... Figure 1 shows the prevalence of the age dependent AF rate (7). The prevalence of AF in the general population is 0.4% - 1% and 8% in individuals of 80 yrs and older. Using the so-called CHADS2-score the individual risk of development of ischemic stroke can be estimated. Because it is well known fro ...
... Figure 1 shows the prevalence of the age dependent AF rate (7). The prevalence of AF in the general population is 0.4% - 1% and 8% in individuals of 80 yrs and older. Using the so-called CHADS2-score the individual risk of development of ischemic stroke can be estimated. Because it is well known fro ...
A contemporary European experience with surgical septal
... the myectomy, as well as to assess the morphology of the mitral valve and the presence of associated primary mitral valve abnormalities.34 Transoesophageal echocardiography was repeated immediately after surgery, in the operating room and off cardiopulmonary bypass, in order to detect a residual LV ...
... the myectomy, as well as to assess the morphology of the mitral valve and the presence of associated primary mitral valve abnormalities.34 Transoesophageal echocardiography was repeated immediately after surgery, in the operating room and off cardiopulmonary bypass, in order to detect a residual LV ...
1 - Livemedia
... Mavrogeni S, et al. Cardiac involvement in Duchenne and Becker muscular dystrophy. World J Cardiol. 2015 Jul 26;7(7):410-4. doi: 10.4330/wjc.v7.i7.410. Florian A, et al. Cardiac involvement in female Duchenne and Becker muscular dystrophy carriers in comparison to their first-degree male relatives: ...
... Mavrogeni S, et al. Cardiac involvement in Duchenne and Becker muscular dystrophy. World J Cardiol. 2015 Jul 26;7(7):410-4. doi: 10.4330/wjc.v7.i7.410. Florian A, et al. Cardiac involvement in female Duchenne and Becker muscular dystrophy carriers in comparison to their first-degree male relatives: ...
PDF - Romanian Journal of Cardiology
... relationship16. Beta-blockers often alleviate heart failure symptoms and may reduce the LV outflow gradient during exercise. There is no definitive evidence that these medications reduce the outflow gradient at rest, or prolong survival2. In HCM patients with outflow obstruction who do not tolerate ...
... relationship16. Beta-blockers often alleviate heart failure symptoms and may reduce the LV outflow gradient during exercise. There is no definitive evidence that these medications reduce the outflow gradient at rest, or prolong survival2. In HCM patients with outflow obstruction who do not tolerate ...
Steven Shea, Li Pan, David A. Bluemke and João A.C. Lima Thor
... Therefore, an increased negativity denotes better function. Individual strain and strain rate reread variability was found to be 4% and 3%, respectively, for all 3 of the arterial systems. CT scans were evaluated blindly with respect to scan pairs and to all of the clinical data using a computerized ...
... Therefore, an increased negativity denotes better function. Individual strain and strain rate reread variability was found to be 4% and 3%, respectively, for all 3 of the arterial systems. CT scans were evaluated blindly with respect to scan pairs and to all of the clinical data using a computerized ...
Coronary Artery Atherosclerosis Is Related to Reduced Regional
... strain and strain rate reread variability was found to be 4% and 3%, respectively, for all 3 of the arterial systems. CT scans were evaluated blindly with respect to scan pairs and to all of the clinical data using a computerized interactive scoring system similar to that described by Yaghoubi et al ...
... strain and strain rate reread variability was found to be 4% and 3%, respectively, for all 3 of the arterial systems. CT scans were evaluated blindly with respect to scan pairs and to all of the clinical data using a computerized interactive scoring system similar to that described by Yaghoubi et al ...
Effects of acute intravenous iloprost on right ventricular
... Results of control and dose-response data are summarized in Table 2. Infusion of drug-free vehicle did not have any discernible effect on several indices of inotropy and systolic function, as shown in Figure 1. A trend toward a dose-response relationship was observed with increasing doses of the stu ...
... Results of control and dose-response data are summarized in Table 2. Infusion of drug-free vehicle did not have any discernible effect on several indices of inotropy and systolic function, as shown in Figure 1. A trend toward a dose-response relationship was observed with increasing doses of the stu ...
4
... Table 3 shows univariate Cox regression analyses. It was found that both RVEF (hazard ratio [HR]: 0.938; 95% confidence interval [CI]: 0.902 to 0.975; p = 0.001) and PVR (HR: 1.001; 95% CI: 1.001 to 1.002; p = 0.031) were associated with survival. In addition, age and connective tissue–disease PAH w ...
... Table 3 shows univariate Cox regression analyses. It was found that both RVEF (hazard ratio [HR]: 0.938; 95% confidence interval [CI]: 0.902 to 0.975; p = 0.001) and PVR (HR: 1.001; 95% CI: 1.001 to 1.002; p = 0.031) were associated with survival. In addition, age and connective tissue–disease PAH w ...
Systolic and Diastolic Heart Failure: Differences and Similarities Review Articles
... stress, and reduced ejection fraction. The mass is increased, but the mass/cavity ratio remains unchanged or is decreased. In SHF, there is an alteration in ventricular shape and geometry with a greater increase in transverse than in long axis, and mechanical dyssynchrony with or without electrical ...
... stress, and reduced ejection fraction. The mass is increased, but the mass/cavity ratio remains unchanged or is decreased. In SHF, there is an alteration in ventricular shape and geometry with a greater increase in transverse than in long axis, and mechanical dyssynchrony with or without electrical ...
Left Atrial Ejection Force (LAEF)
... Background: Left atrial (LA) contraction is an important parameter in hypertensive (HT) patients. However, it is difficult to evaluate LA contraction non-invasively. Recently, a Doppler echocardiogram derived left atrial ejection force (LAEF) method was introduced for evaluating LA contraction. We s ...
... Background: Left atrial (LA) contraction is an important parameter in hypertensive (HT) patients. However, it is difficult to evaluate LA contraction non-invasively. Recently, a Doppler echocardiogram derived left atrial ejection force (LAEF) method was introduced for evaluating LA contraction. We s ...
Syncope Update: Evaluation And Treatment
... system, studies of conduction times, and can test the heart’s susceptibility to ventricular arrhythmias. EPS is abnormal in 18-68% of patients with syncope of unknown cause. However, abnormal finding on EPS does not guarantee that that was what causes a patient’s syncope! The Dilemma of Syncope ♦ Wh ...
... system, studies of conduction times, and can test the heart’s susceptibility to ventricular arrhythmias. EPS is abnormal in 18-68% of patients with syncope of unknown cause. However, abnormal finding on EPS does not guarantee that that was what causes a patient’s syncope! The Dilemma of Syncope ♦ Wh ...
cardiology
... reaches 85–90% of age-predicted heart rate (220–age) ISCHEMIA CRITERIA—1 mm horizontal or downsloping ST # over multiple leads, or ST " ! myocardial ischemia (sens 68%, spc 77%) ! proceed to angiogram INCONCLUSIVE—premature termination due to chest pain/poor exercise tolerance ! proceed to phar ...
... reaches 85–90% of age-predicted heart rate (220–age) ISCHEMIA CRITERIA—1 mm horizontal or downsloping ST # over multiple leads, or ST " ! myocardial ischemia (sens 68%, spc 77%) ! proceed to angiogram INCONCLUSIVE—premature termination due to chest pain/poor exercise tolerance ! proceed to phar ...