Angina induced by excessive bradycardia.

abstract：BACKGROUND:Evaluation of chest pain accounts for millions of costly Emergency Department (ED) visits and hospital admissions annually. Of these, approximately 10-20% are myocardial infarctions (MI). HYPOTHESIS:Patients with chest pain whose initial electrocardiogram (ECG) is normal do not require hospital admission fo...

journal_title：Clinical cardiology

authors： Challa PK,Smith KM,Conti CR

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND:In the transcatheter aortic valve replacement era, characterization of functional status in older adults with aortic stenosis (AS) is essential. Gait speed (GS) is emerging as a marker of frailty and predictor of outcomes in older adults undergoing cardiovascular intervention. The objective of this study was...

journal_title：Clinical cardiology

authors： Green P,Woglom AE,Genereux P,Maurer MS,Kirtane AJ,Hawkey M,Schnell S,Sohn J,Moses JW,Leon MB,Smith CR,Williams M,Kodali S

更新日期：2012-05-01 00:00:00

abstract：:In 2002, coronary angiography is the only way to assess precisely the combination of proximal stenoses, distal target vessels, collaterals, microcirculation, and TIMI antegrade flow. At the time of coronary angiography, global LV function is best determined using biplane ventriculography in order to correlate wall mot...

journal_title：Clinical cardiology

authors： Conti CR

更新日期：2002-08-01 00:00:00

abstract：BACKGROUND:The objective of this study was to estimate the prevalence of prehypertension and hypertension in the rural adults of Liaoning province of China. METHODS:The study was conducted in 2004-2006, using a multistage cluster sampling method to select a representative sample. A total of 45925 adults, 35 years or o...

journal_title：Clinical cardiology

authors： Sun Z,Zheng L,Wei Y,Li J,Zhang X,Zhang X,Liu S,Xu C,Li J,Zhao F,Dong G,Hu D,Sun Y

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:The acute effects of statin loading dose (LD) on platelet reactivity in patients with chronic stable angina (CSA) are not completely clear. HYPOTHESIS:We hypothesized that LDs of atorvastatin and rosuvastatin have different pharmacodynamic acute effects on platelet aggregability in CSA patients with baselin...

journal_title：Clinical cardiology

authors： Godino C,Pavon AG,Mangieri A,Salerno A,Cera M,Monello A,Chieffo A,Magni V,Cappelletti A,Margonato A,Colombo A

更新日期：2017-08-01 00:00:00

abstract：:Triglyceride (TG) has long been associated as a risk factor for coronary artery disease. A recent meta-analysis of various epidemiologic studies has confirmed this link. An important issue is to assess further the appropriate cutpoints to classify desirable TG because recent data indicate that levels < 200 mg/dl confe...

journal_title：Clinical cardiology

authors： Miller M

更新日期：1999-06-01 00:00:00

abstract：:Experimental and clinical studies with angiotensin-converting enzyme (ACE) inhibitors have suggested that these agents may reduce the risk of atherothrombotic events. Recent studies have identified the role of angiotensin II and ACE in the regulation of fibrinolysis. There is now substantial evidence that the renin-an...

journal_title：Clinical cardiology

authors： Vaughan DE

更新日期：1997-11-01 00:00:00

abstract：BACKGROUND:Recently, several treadmill scores have been proposed as means for improving the diagnostic accuracy of the exercise treadmill test (ETT). Questions remain regarding the diagnostic accuracy of treadmill scores when applied to a different patient population than that from which they were derived; furthermore,...

journal_title：Clinical cardiology

authors： Fearon WF,Gauri AJ,Myers J,Raxwal VK,Atwood JE,Froelicher VF

更新日期：2002-03-01 00:00:00

abstract：BACKGROUND:Pulmonary capillary wedge pressure (PCWP) is a useful index of preload and an important determinant of cardiac function. HYPOTHESIS:We postulated that the rate of blood propagating into the left atrium (LAIF-PR) would be a useful measure of PCWP in critically ill patients. METHODS:Fifty-two critically ill ...

journal_title：Clinical cardiology

authors： Stoddard MF,Calzada N,Longaker RA

更新日期：2003-04-01 00:00:00

abstract：BACKGROUND:The right bundle branch block (RBBB) and the bifascicular blocks affect QRS duration in the right precordial leads, which are usually used for QT interval determination. Up to now, there is no clear recommendation how to determine QT interval in patients with RBBB or bifascicular block. HYPOTHESIS:The hypot...

journal_title：Clinical cardiology

authors： Erkapic D,Frommeyer G,Brettner N,Sözener K,Crijns HJGM,Seyfarth M,Hamm CW,Bogossian H

更新日期：2020-09-01 00:00:00

abstract：:Rising costs have reached a point at which physicians must assume a major role in dealing with the cost of medicine. Little information is available regarding actual practice at the community hospital level. In order to develop some insight on this issue, a survey of cardiovascular specialists was conducted regarding ...

journal_title：Clinical cardiology

authors： Vogel JH

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:One-third of patients who receive cardiac resynchronization therapy (CRT) are classified as nonresponders. Characteristics of responders to CRT have been studied in multiple clinical trials. HYPOTHESIS:Independent predictors of CRT response may be identified by studying a series of patients in routine clini...

journal_title：Clinical cardiology

authors： Park MY,Altman RK,Orencole M,Kumar P,Parks KA,Heist KE,Singh JP,Picard MH

更新日期：2012-12-01 00:00:00

abstract：BACKGROUND AND HYPOTHESIS:ST-segment depression during acute myocardial infarction (AMI) is known to herald serious hemodynamic complications. Since the mechanism of this dependence is not clear, we reinvestigated the old concept of papillary muscle infarction (PMI) as a cause of marked ST depression. METHODS:Autopsie...

journal_title：Clinical cardiology

authors： Dabrowska B,Walczak E,Prejs R,Zdzienicki M

更新日期：1996-05-01 00:00:00

abstract：BACKGROUND:Atherosclerotic cardiovascular disease is prevalent among renal transplant patients. Increase in serum total cholesterol, low-density lipoprotein, and very low-density lipoprotein is common in those patients. Alterations in chylomicron metabolism, however, are also related to atherogenesis and were not studi...

journal_title：Clinical cardiology

authors： De Lima JJ,Latrilha Mda C,Toffoletto O,Ianhez LE,Krieger EM,Maranhão RC

更新日期：1998-06-01 00:00:00

abstract：:One of the most important roles for professional societies in medicine is assembling multiple stakeholders and experts to develop documents that can help guide and define policies and strategies for best medical care. Each year the Heart Rhythm Society (HRS) develops several consensus documents that address critical c...

journal_title：Clinical cardiology

authors： Sennhauser S,Anand R,Kusumoto F,Goldschlager N

更新日期：2017-03-01 00:00:00

abstract：:Cross-sectional echocardiography was performed on two patients with mitral regurgitation in whom M-mode echocardiographic findings were not specific for the etiology of mitral regurgitation. In one patient, flail motion of the free edge of the anterior mitral leaflet into the left atrium was demonstrated only by cross...

journal_title：Clinical cardiology

authors： Ogawa S,Mardelli TJ,Hubbard FE

更新日期：1978-08-01 00:00:00

abstract：BACKGROUND:Electronic health record systems (EHR) are expected to facilitate higher quality patient care; however, studies evaluating EHR effectiveness in improving care have yielded mixed results. HYPOTHESIS:Implementation of a performance improvement system in outpatient practices with EHR may better demonstrate the...

journal_title：Clinical cardiology

authors： Walsh MN,Albert NM,Curtis AB,Gheorghiade M,Heywood JT,Liu Y,Mehra MR,O'Connor CM,Reynolds D,Yancy CW,Fonarow GC

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Chronic kidney disease (CKD) is associated with high cardiovascular morbidity and mortality, which is not fully explained by traditional risk factors; hence, the interest in nontraditional risk factors such as inflammation and insulin resistance (IR). Though IR is shown in nondiabetic CKD, its association wi...

journal_title：Clinical cardiology

authors： Banerjee D,Recio-Mayoral A,Chitalia N,Kaski JC

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND:Inadequate cardiovascular disease (CVD) knowledge has been cited to account for the imperfect decline in CVD among women over the last 2 decades. HYPOTHESIS:Due to concerns that at-risk women might not know the leading cause of death or symptoms of a heart attack, our goal was to assess the relationship bet...

journal_title：Clinical cardiology

authors： Giardina EG,Mull L,Sciacca RR,Akabas S,Flink LE,Moise N,Paul TK,Dumas NE,Bier ML,Mattina D

更新日期：2012-01-01 00:00:00

abstract：:This review describes 23 patients with aortic valve stenosis who underwent balloon valvuloplasty during life and had subsequent valve tissue examined at the time of aortic valve replacement or at necropsy. Of 23 stenotic aortic valves, 17 were examined within 30 days (early) after balloon dilation. Of these 94% had no...

journal_title：Clinical cardiology

authors： Waller BF,Dorros G,Lewin RF,King JF,McKay C,van Tassel JW

更新日期：1991-11-01 00:00:00

abstract：BACKGROUND:Total serum transforming growth factor-beta 1 (tsTGF-β1) is increased in patients with Marfan syndrome (MFS), but it has not been assessed in thoracic aortic aneurysm and dissection (TAAD), Loeys-Dietz syndrome (LDS), and bicuspid aortic valve disease (BAVD). HYPOTHESIS:tsTGF-β1 is increased in genetic aort...

journal_title：Clinical cardiology

authors： Hillebrand M,Millot N,Sheikhzadeh S,Rybczynski M,Gerth S,Kölbel T,Keyser B,Kutsche K,Robinson PN,Berger J,Mir TS,Zeller T,Blankenberg S,von Kodolitsch Y,Goldmann B

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND:Left ventricular hypertrophy (LVH) on the electrocardiogram (ECG) may be masked in the presence of complete right bundle-branch block (RBBB). Left bundle-branch block on the ECG is associated with LVH at autopsy in 93% of hearts studied. However, RBBB does not predict LVH and the usual ECG criteria applied f...

journal_title：Clinical cardiology

authors： Mehta A,Jain AC,Morise AP,Mehta MC,Billie M

更新日期：1998-02-01 00:00:00

abstract：:A 51-year-old female with a two-year history of palpitations associated with swallowing was evaluated by intracardiac electrophysiologic studies. Intracardiac recordings documented the presence of an ectopic left atrial focus induced by swallowing with no evidence of accessory pathway conduction. Gastrointestinal eval...

journal_title：Clinical cardiology

authors： Ransbottom JC,Mirro MJ

更新日期：1988-01-01 00:00:00

abstract：:Angioplasty in patients with unstable coronary artery disease is associated with higher complication rates compared with patients with stable disease. In this report we describe our results from a group of patients with unstable disease (unstable angina pectoris and postmyocardial infarction) where a strategy of delay...

journal_title：Clinical cardiology

authors： Rozenman Y,Gilon D,Zelingher J,Sapoznikov D,Lotan C,Mosseri M,Weiss AT,Hasin Y,Gotsman MS

更新日期：1996-02-01 00:00:00

abstract：:In order to study left ventricular diastolic function, digitized M-mode echocardiograms of the free wall endocardium were analyzed. A population of 117 healthy individuals was compared with a group of 22 patients with myocardial hypertrophy due to aortic stenosis (AS), and a group of 21 with hypertrophic cardiomyopath...

journal_title：Clinical cardiology

authors： Bryhn M

更新日期：1984-06-01 00:00:00

abstract：BACKGROUND:Takotsubo cardiomyopathy (TCM) is characterized by systolic ballooning of the left ventricular apex. It is triggered by emotional or physical stress, but the exact mechanism through which stress leads to TCM is not known. HYPOTHESIS:Coronary microvessel apoptosis is the missing link between stress and TCM. ...

journal_title：Clinical cardiology

authors： Uchida Y,Egami H,Uchida Y,Sakurai T,Kanai M,Shirai S,Nakagawa O,Oshima T

更新日期：2010-06-01 00:00:00

abstract：:Cardiac troponins (CTn) are the most sensitive and specific biochemical markers of myocardial injury and risk stratification. The assay for troponin T (cTnI) is standardized, and results obtained from different institutions are comparable. This is not the case with troponin I (cTnT), and clinicians should be aware tha...

journal_title：Clinical cardiology

authors： Agzew Y

更新日期：2009-01-01 00:00:00

abstract：:Therapy with an angiotensin-converting enzyme (ACE) inhibitor is established for reducing excessive blood pressure, reducing mortality in patients with congestive heart failure (CHF), preventing the development of CHF in patients with asymptomatic left ventricular (LV) dysfunction, and preventing death and CHF when in...

journal_title：Clinical cardiology

authors： Pitt B

更新日期：2000-07-01 00:00:00

abstract：BACKGROUND:Early recurrence of atrial fibrillation (ERAF) after catheter ablation is common and has been thoroughly studied. However, very late recurrence of atrial fibrillation (VLRAF) is rarely researched, and its characteristics have not been determined. HYPOTHESIS:The aim of this study was to investigate the clini...

journal_title：Clinical cardiology

authors： Tao H,Liu X,Dong J,Long D,Tang R,Zheng B,Kang J,Yu R,Tian Y,Ma C

更新日期：2008-10-01 00:00:00

abstract：:Surgical ablation procedure can restore sinus rhythm (SR) in patients with atrial fibrillation (AF) undergoing cardiac surgery. However, it is not known whether it has any impact on clinical outcomes. There is a need for a randomized trial with long-term follow-up to study the outcome of surgical ablation in patients ...

journal_title：Clinical cardiology

authors： Straka Z,Budera P,Osmančík P,Vaněk T,Hulman M,Smíd M,Malý M,Widimský P

更新日期：2013-01-01 00:00:00