Effects of aging on left ventricular structure and function.

abstract：:The objective of this investigation was to assess the acute and long-term outcome after coronary angioplasty in patients undergoing chronic hemodialysis. Previous studies have suggested a high incidence of restenosis after coronary angioplasty performed in patients with renal failure. Medical discharge abstracts for 8...

journal_title：American heart journal

authors： Ahmed WH,Shubrooks SJ,Gibson CM,Baim DS,Bittl JA

更新日期：1994-08-01 00:00:00

abstract：:The hemodynamic, electrocardiographic, and metabolic responses of dogs with acute myocardial ischemia to intravenous administration of fructose-1,6-diphosphate (FDP) were assessed. Analysis of the results (compared to dextrose control) revealed evidence of major improvement of LVEDP and cardiac output, significant dec...

journal_title：American heart journal

authors： Markov AK,Oglethorpe NC,Blake TM,Lehan PH,Hellems HK

更新日期：1980-11-01 00:00:00

abstract：BACKGROUND:The major structural characteristic of congestive heart failure is myocardial cell death. The aim of our study was to determine whether the level of cardiac troponin T, a protein specific for cardiac necrosis, was increased in patients with congestive heart failure. METHODS AND RESULTS:Plasma samples were o...

journal_title：American heart journal

authors： Missov E,Mair J

更新日期：1999-07-01 00:00:00

abstract：:Coronary artery disease remains the leading cause of death in developed countries despite significant progress in primary prevention and treatment strategies. Older patients are at particularly high risk of poor outcomes following acute coronary syndrome and impaired nutrition, including low vitamin D levels, may play...

journal_title：American heart journal

authors： Kunadian V,Ford GA,Bawamia B,Qiu W,Manson JE

更新日期：2014-03-01 00:00:00

abstract：:Plasma concentrations of immunoreactive alpha-human atrial natriuretic polypeptide (i alpha-hANP) and cyclic guanosine monophosphate (cGMP) were measured in 70 patients with heart disease. Plasma concentrations of i alpha-hANP were directly related to the severity of heart disease (F = 29.61, p less than 0.001). Plasm...

journal_title：American heart journal

authors： Hirata Y,Ishii M,Matsuoka H,Sugimoto T,Iizuka M,Uchida Y,Serizawa T,Sato H,Kohmoto O,Mochizuki T

更新日期：1987-06-01 00:00:00

abstract：:Three cases of rupture of the interventricular septum occurring coincident with acute inferior myocardial infarction are reported and the relevant literature is reviewed. One patient under-went successful surgical repair and, in addition, had an aneurysmectomy. Clues and pitfalls in diagnosis as well as the possible c...

journal_title：American heart journal

authors： Longo EA,Cohen LS

更新日期：1976-07-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to assess whether pharmacologic preconditioning by exogenous or endogenous adenosine prevents the deterioration of hemodynamic function and left ventricular performance during percutaneous transluminal coronary angioplasty (PTCA). Ischemic preconditioning renders the heart more ...

journal_title：American heart journal

authors： Heidland UE,Heintzen MP,Schwartzkopff B,Strauer BE

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:Peak exercise oxygen consumption (peak VO2) is an important discriminator of survival in patients with systolic heart failure and is used to select ambulatory patients for transplantation. The major trials assessing the relationship between peak VO2 and survival have used a variety of low-level exercise prot...

journal_title：American heart journal

authors： Strzelczyk TA,Cusick DA,Pfeifer PB,Bondmass MD,Quigg RJ

更新日期：2001-09-01 00:00:00

abstract：BACKGROUND:Drug-eluting stents (DES) are increasingly used for the treatment of coronary artery disease. An optimized DES performance is desirable to successfully treat various challenging coronary lesions in a broad population of patients. In response to this demand, third-generation DES with an improved deliverabilit...

journal_title：American heart journal

authors： Tandjung K,Basalus MW,Sen H,Jessurun GA,Danse PW,Stoel M,Linssen GC,Derks A,van Loenhout TT,Nienhuis MB,Hautvast RW,von Birgelen C

更新日期：2012-04-01 00:00:00

abstract：:To evaluate the antiischemic effects of intravenous milrinone, 20 patients with angiographically proved coronary artery disease and stable angina were studied at rest and during exercise under control conditions and after an intravenous loading injection of milrinone (50 micrograms/kg/10 min) followed by an infusion w...

journal_title：American heart journal

authors： Mitrovic V,Stöhring R,Schlepper M

更新日期：1991-06-01 00:00:00

abstract：:Calcium channel blockers and central alpha-agonists are among the classes of antihypertensive drugs that yield the most favorable overall effects on risk factors for hypertension-related end-organ damage. An open-label prospective trial in 42 patients with a mean baseline blood pressure of 144/102 mm Hg sought to asse...

journal_title：American heart journal

authors： Houston MC,Hays L

更新日期：1993-10-01 00:00:00

abstract：:Myocardial ischemia, electrolyte changes, and fluctuations in autonomic tone may play an important role in the presentation of malignant ventricular arrhythmias. beta-Adrenoceptor blocking agents have been shown to decrease the incidence of ventricular fibrillation and sudden cardiac death in patients with coronary ar...

journal_title：American heart journal

authors： Peuhkurinen KJ,Huikuri HV,Linnaluoto M,Takkunen JT

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:Diastolic heart failure (DHF) is characterized by dyspnea due to increased left ventricular (LV) filling pressures during stress. We sought the relationship of exercise-induced increases in B-type natriuretic peptide (BNP) to LV filling pressures and parameters of cardiovascular performance in suspected DHF....

journal_title：American heart journal

authors： Mottram PM,Haluska BA,Marwick TH

更新日期：2004-08-01 00:00:00

abstract：BACKGROUND:Dobutamine and exercise echocardiography are accepted as tests of comparable efficacy for the diagnosis of coronary artery disease. Although dobutamine has been classified as "exercise simulating," the mechanisms of ischemia with dobutamine and exercise have not been well studied. This study sought to compar...

journal_title：American heart journal

authors： Mairesse GH,Vanoverschelde JL,Robert A,Climov D,Detry JM,Marwick TH

更新日期：1998-07-01 00:00:00

abstract：BACKGROUND:In patients hospitalized with acutely decompensated heart failure, unresolved signs and symptoms of fluid overload have been consistently associated with poor outcomes. Regardless of dosing and type of administration, intravenous loop diuretics have not reduced heart failure events or mortality in patients w...

journal_title：American heart journal

authors： Costanzo MR,Negoianu D,Fonarow GC,Jaski BE,Bart BA,Heywood JT,Nabut JL,Schollmeyer MP

更新日期：2015-09-01 00:00:00

abstract：:The influence of blood medium on tissue ablation by a pulsed dye laser and its selectivity for atheroma were investigated. The role of shock waves on tissue ablation was also evaluated. Normal and atherosclerotic human aortas were irradiated by a 480 nm pulsed dye laser activated at 5 Hz. The laser was coupled with a ...

journal_title：American heart journal

authors： Tomaru T,Geschwind HJ,Lange F,Boussignac G

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:Recently, long (> or =20 mm) coronary stents were introduced for clinical use. They are intended as an alternative to multiple conventional stents to treat extensive dissections or suboptimal results of long lesions after balloon angioplasty. METHODS:In a total of 113 such consecutive vessels in 107 patient...

journal_title：American heart journal

authors： De Scheerder IK,Wang K,Kostopoulos K,Dens J,Desmet W,Piessens JH

更新日期：1998-08-01 00:00:00

abstract：BACKGROUND:Stroke in patients with heart failure is associated with poor outcomes. Risk stratification schemes may improve clinical decision making in this patient population. This study investigated whether female sex is a risk factor for stroke in patients with heart failure in sinus rhythm. METHODS:This is a popula...

journal_title：American heart journal

authors： Melgaard L,Gorst-Rasmussen A,Lip GY,Rasmussen LH,Larsen TB

更新日期：2015-03-01 00:00:00

abstract：:In order to properly advise cardiac patients in the regulation of their sexual activity, more basic physiologic information is needed concerning the cardiovascular effects of sexual intercourse. This study examined the effects of the male's position during sexual intercourse on heart rate and blood pressure responses....

journal_title：American heart journal

authors： Nemec ED,Mansfield L,Kennedy JW

更新日期：1976-09-01 00:00:00

abstract：:The skeletal muscle of three cases presenting with idiopathic congestive cardiomyopathy has been studied, histologically, histochemically, ultramicroscopically, and electromyographically. In all three there is clinical evidence of skeletal muscle weakness, and in all three, pathologic changes were found in the muscle....

journal_title：American heart journal

authors： Isaacs H,Muncke G

更新日期：1975-12-01 00:00:00

abstract：BACKGROUND:The relationship of changes in weight to outcomes in patients after myocardial infarction (MI) is controversial. METHODS:From the ENRICHD trial data, we assessed weight change, and the associations of baseline weight and change at follow-up with outcomes and interactions between psychosocial factors. RESUL...

journal_title：American heart journal

authors： Lopez-Jimenez F,Wu CO,Tian X,O'Connor C,Rich MW,Burg MM,Sheps D,Raczynski J,Somers VK,Jaffe AS

更新日期：2008-03-01 00:00:00

abstract：:Guidelines published in 2001 recommended 1 regional adult congenital heart disease (ACHD) center per 3 to 10 million population. Our objective was to determine if published guidelines on the numbers of regional ACHD centers are sufficient to meet the needs of adults with congenital heart disease in the general populat...

journal_title：American heart journal

authors： Marelli AJ,Therrien J,Mackie AS,Ionescu-Ittu R,Pilote L

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Although recent data support an early invasive management in acute coronary syndromes (ACS), overall evidence appears conflicting. We performed a metaregression to explore the impact of intracoronary stenting and aggressive antiplatelet treatment on the risk/benefit ratio of an early invasive approach. METH...

journal_title：American heart journal

authors： Biondi-Zoccai GG,Abbate A,Agostoni P,Testa L,Burzotta F,Lotrionte M,Trani C,Biasucci LM

更新日期：2005-03-01 00:00:00

abstract：BACKGROUND:Gastrointestinal bleeding (GIB) after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS) and coronary artery disease (CAD) is associated with high morbidity and mortality. METHODS:The NIS database from 1998 to 2006 was used to identify 1,216,759 PCIs performed for ACS and CAD. We sou...

journal_title：American heart journal

authors： Shivaraju A,Patel V,Fonarow GC,Xie H,Shroff AR,Vidovich MI

更新日期：2011-12-01 00:00:00

abstract：:T-lymphocyte levels may adversely affect the clinical course and outcome of patients with acute myocardial infarction (AMI). To characterize the T-lymphocyte profile during AMI and to explore whether these cells play a detrimental role in the extent of myocardial insult, levels of T-lymphocyte subpopulations, free sol...

journal_title：American heart journal

authors： Blum A,Sclarovsky S,Rehavia E,Shohat B

更新日期：1994-05-01 00:00:00

abstract：:Selective blockade of the angiotensin II AT1 receptor represents a novel mechanism for interrupting the renin-angiotensin system without altering the potential benefits of AT2 receptor stimulation. This selective inhibition produces none of the disadvantages associated with reduced bradykinin metabolism and angiotensi...

journal_title：American heart journal

authors： Brooks DP,Ohlstein EH,Ruffolo RR Jr

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND:Perflenapent injectable emulsion is a newer echocardiographic contrast agent that provides chamber opacification and improved endocardial border delineation. In >1000 patients tested, adverse effects have been minimal. However, previous studies have included few patients with congestive heart failure (CHF) o...

journal_title：American heart journal

authors： Kitzman DW,Wesley DJ

更新日期：2000-06-01 00:00:00

abstract：:Patients with intractable heart failure (New York Heart Association [NYHA] class III and IV) who were receiving maximal conventional treatment were enrolled in an outpatient program that included inotropic infusions, intensive patient education, and close follow-up. The effects of this approach to therapy were evaluat...

journal_title：American heart journal

authors： Marius-Nunez AL,Heaney L,Fernandez RN,Clark WA,Ranganini A,Silber E,Denes P

更新日期：1996-10-01 00:00:00

abstract：UNLABELLED:Antiarrhythmic agents enhance maintenance of sinus rhythm (SR) after direct current cardioversion (DCC) for atrial fibrillation but there are few comparative trials. BACKGROUND:The aims of the study were (1) to establish whether patients successfully cardioverted to SR are more likely to stay in SR over 6 m...

journal_title：American heart journal

authors： Vijayalakshmi K,Whittaker VJ,Sutton A,Campbell P,Wright RA,Hall JA,Harcombe AA,Linker NJ,Stewart MJ,Davies A,de Belder MA

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:Strenuous exercise can be a major trigger for coronary thrombosis and it enhances platelet aggregation. METHODS:We evaluated the effect of antiplatelet therapy on shear stress-induced platelet aggregation (SIPA), in addition to agonist-induced aggregation, before and immediately after ergometer exercise in ...

journal_title：American heart journal

authors： Kitai T,Nishikawa M,Tanigawa T,Okinaka T,Wada H,Shiku H,Ikeda Y,Ito M,Isaka N,Nakano T

更新日期：2001-08-01 00:00:00