Search Results
Results 201 - 250 of 1091
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Arques Stephane - - 2007
Congestive heart failure with preserved left ventricular systolic function has emerged as a growing epidemic medical syndrome in developed countries, which is characterized by high morbidity and mortality rates. Rapid and accurate diagnosis of this condition is essential for optimizing the therapeutic management. The diagnosis of congestive heart failure is ...
Chiu Kuan-Ming - - 2007
Human heart beats in an extremely inhomogeneous and non-stationary manner. Recent study has demonstrated that it belongs to a class of signals called multifractal. Loss of multifractality was also uncovered in patients with congestive heart failure. We investigated whether carvedilol could restore the multifractal properties in a group of patients ...
Sokos George G - - 2006
BACKGROUND: Insulin resistance is present in the setting of congestive heart failure. Glucagon-like peptide-1 (GLP-1) is a naturally occurring incretin with both insulinotropic and insulinomimetic properties. METHODS AND RESULTS: We investigated the safety and efficacy of a 5-week infusion of GLP-1 (2.5 pmol/kg/min) added to standard therapy in 12 patients ...
Macin Stella M - - 2006
BACKGROUND: The implications of increased levels of cardiac troponin T in congestive heart failure with preserved systolic function have been poorly evaluated. We hypothesized that its presence might be related to disease severity and prognosis in this setting. METHODS: Clinical, echocardiographic, 6-min walking test and laboratory data were prospectively obtained ...
Gheorghiade Mihai - - 2006
Patients with acute heart failure syndromes (AHFS) typically present with signs and symptoms of systemic and pulmonary congestion at admission. However, elevated left ventricular (LV) filling pressures (hemodynamic congestion) may be present days or weeks before systemic and pulmonary congestion develop, resulting in hospital admission. This "hemodynamic congestion," with or ...
Yeragani Vikram K - - 2007
In patients with ischemic heart disease, dobutamine provoked-stress increases beat-to-beat QRS amplitude variability, which may be due to an electrical instability of the myocardium. Our results in this pilot study showed that patients with congestive heart failure had significantly higher beat-to-beat QRS amplitude variability compared to controls in resting supine ...
Singh Ajay K - - 2006
BACKGROUND: Anemia, a common complication of chronic kidney disease, usually develops as a consequence of erythropoietin deficiency. Recombinant human erythropoietin (epoetin alfa) is indicated for the correction of anemia associated with this condition. However, the optimal level of hemoglobin correction is not defined. METHODS: In this open-label trial, we studied ...
Hundley W Gregory - - 2007
flow-mediated arterial dilation (FMAD), an indicator of endothelial function, is reduced in patients with heart failure and reduced left ventricular ejection fraction (HFREF). Many elderly patients with heart failure exhibit a normal left ventricular ejection fraction (HFNEF). It is unknown whether FMAD is severely reduced in the elderly with HFNEF. ...
Fleseriu Maria - - 2006
OBJECTIVE: To report the successful use of octreotide in the management of prolonged hypoglycemia attributable to therapeutic doses of sulfonylureas. METHODS: We present a case series of 6 patients with sulfonylurea-induced hypoglycemia, along with pertinent serial laboratory data and review of the course of management. RESULTS: Most of our 6 ...
Yamada Satsuki - - 2006
Ventricular load can precipitate development of the heart failure syndrome, yet the molecular components that control the cardiac adaptive response to imposed demand remain partly understood. Compromised ATP-sensitive K(+) (K(ATP)) channel function renders the heart vulnerable to stress, implicating this metabolic sensor in the homeostatic response that would normally prevent ...
Fox Ervin H - - 2006
A previously healthy 29-year-old patient presented with new onset congestive heart failure. Based on findings on transthoracic echocardiogram (TTE) and cardiac magnetic resonance imaging (MRI) at an outside center, the patient was diagnosed as having a dilated cardiomyopathy with structural abnormalities in the ventricular septum and left ventricular (LV) apex ...
de Groote Pascal - - 2006
BACKGROUND: Previous studies have demonstrated that the adenosine monophosphate deaminase 1 (AMPD1) C34T polymorphism may be associated with survival in cardiac populations with a protective effect of the T allele. However, these studies included limited number of patients with few cardiovascular events. METHODS: We prospectively analyzed the impact of the ...
Fabio Giovanna - - 2007
Juvenile hemochromatosis (JH) is a rare autosomal recessive disorder of iron metabolism, genetically heterogeneous. In JH, symptomatic organ involvement occurs as early as the second decade of life. Heart failure and/or arrhythmias are the most frequent causes of death. Phlebotomy is the safest, most effective, and most economic therapeutic approach ...
Sánchez-Torres Reinaldo J - - 2006
Cardiovascular disease has been well documented in patients with Human Immunodeficiency Virus infection, especially after the introduction of highly active antiretroviral therapy. At present, HIV infection is one of the leading causes of acquired cardiovascular disease including heart failure. Some of the changes observed in these patients include left ventricular ...
Patel Nishant D - - 2006
BACKGROUND: Surgical ventricular restoration (SVR) is an established therapy for congestive heart failure due to ischemic cardiomyopathy. Pulmonary hypertension (PHTN) has been considered a contraindication for SVR owing to a presumed increase in operative risk. However, outcomes in these patients and the impact of SVR on PHTN have not been ...
Albert Nancy M - - 2006
Transthoracic and whole-body bioimpedance monitoring has been commercially available for years; however, attention to its use as a diagnostic and event-monitoring modality has not been routinely applied in patients with heart failure (HF). In 2005, intrathoracic bioimpedance monitoring via an implantable cardioverter defibrillator brought new awareness of bioimpedance technology. In ...
Warman S M - - 2006
Congestive heart failure is a common presentation in small animal practice. Cardiac tumours are an unusual cause of congestive heart failure and, when they occur, usually cause clinical signs associated with pericardial effusion and cardiac tamponade. This case report outlines the clinical and histological findings in two dogs presented with ...
Outomuro Delia - - 2007
Adriamycin is a potent and broad-spectrum antineoplastic agent that plays a major role in cancer chemotherapy. Unfortunately, its use has been hampered by conventional toxicities and cardiotoxicity manifested by congestive cardiomyopathy. Adriamycin is particularly toxic to heart tissue and constitutes a major cause of morbidity and mortality due to its ...
Wray Jonathan D - - 2007
Cardiomyopathy associated with abnormal trabecular bands of tissue traversing one or both ventricles is reported rarely in cats. The case of a 9-year-old cat which presented in congestive heart failure is reported. Multiple cardiac abnormalities were found, including a large trabecular tissue bridge which bisected the left ventricle. Other findings ...
Greer James J M - - 2006
3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors increase endothelial nitric oxide synthase (eNOS) activity by multiple mechanisms. We previously reported that genetic overexpression of eNOS improves survival and cardiac function in congestive heart failure (CHF). In the present study, we tested the hypothesis that low-dose treatment with an 3-hydroxy-3-methylglutaryl coenzyme A reductase ...
Ahmed Ali - - 2006
We performed a retrospective follow-up study of 1926 women with heart failure who participated in the Digitalis Investigation Group trial. Adjusted hazard ratios and 95% confidence intervals for covariates that were significant independent predictors of all-cause mortality were age in years (1.02; 1.01-1.03; P<0.001), NYHA class IH-IV (1.56; 1.31-1.87), diabetes ...
Takamiya Masataka - - 2006
An autopsy case of carbamazepine overdose with focal myocarditis is reported. The decedent was a 33-year-old female with a history of schizophrenia and bipolar disorder, who reportedly took 5-day dose of prescribed medications at around midnight. Although she stayed home following the direction of the physician, she was pronounced dead ...
Thuraisingham R A - - 2006
Heart rate variability is concerned with the analysis of the fluctuations in the interval between heart beats known as RR intervals. The long time RR time series obtained suffer from non-stationarity and the presence of ectopic beats, which prevents extraction of useful statistical information. The paper describes a wavelet-based technique ...
Goldstein Daniel J - - 2006
Despite tremendous advances in the medical management of congestive heart failure the gold standard for the treatment of end stage congestive heart failure remains cardiac transplantation. The acknowledged critical limitation of sufficient suitable organ donors has resulted in the refinement and development of novel surgical alternatives for the treatment of ...
Lipshultz Steven E - - 2006
The use of anthracyclines in the treatment of acute lymphoblastic leukemia is limited by associated cardiotoxic effects, which can result in cardiomyopathy and congestive heart failure, and may be irreversible. Anthracycline-induced cardiotoxicity in long-term survivors of childhood cancer is characterized by reduced left ventricular wall thickness and mass, which is ...
Goldsmith Steven R - - 2006
Hyponatremia is common and associated with adverse outcomes in patients with congestive heart failure (CHF). In many patients who have CHF with hyponatremia, plasma arginine vasopressin (AVP) is elevated inappropriately. AVP causes water retention by interacting with V2 receptors in the renal collecting duct, leading to dilutional hyponatremia and increased ...
Serfass Pierre - - 2006
The main goals of this study were (1) to carry out a retrospective study of the prevalence of left apical systolic heart murmurs, which are considered to clinically reflect the presence of MVD, in the 6 small canine breeds most popular in France, i.e., Yorkshire Terrier, Bichon Maltese, Dachshund, Poodle, ...
Fine Leon G - - 2006
The handwritten note of the post-mortem examination of Dr Samuel Johnson resides in the library of the Royal College of Physicians of London. Headed 'asthma' it suggests that he had only one functioning kidney, probably had hypertension, left ventricular hypertrophy and congestive heart failure. This article describes an imaginary presentation ...
Betrián Blasco Pedro - - 2006
Isolated noncompaction of the ventricular myocardium is thought to be caused by arrest of normal embryogenesis of the endocardium and myocardium. Clinical manifestations are highly variable, from no symptoms to congestive heart failure, arrhythmias, and systemic thromboemboli. Both familial and sporadic forms have been described, and mutations of certain genes ...
Azad Sushil - - 2006
Aortico-left ventricular tunnel (ALVT) is a rare congenital malformation characterized by an abnormal communication between aorta and left ventricular cavity and the child presents with features of congestive heart failure in early infancy. We report the case of a 7-day-old baby who was diagnosed as a case of ALVT by ...
Freitas D - - 2006
Patients with congestive heart failure (CHF) have specific factors that enhance the risk for erectile dysfunction (ED), such as low cardiac output and the use of drugs with vasodilator effect. ED can negatively affect interpersonal relationships and self-esteem, with significant impact on the quality of life. We hypothesized that the ...
Allard Marc L - - 2006
Patients suffering from congestive heart failure exhibit impaired myocardial energy production, myocyte calcium overload and increased oxidative stress. Nutritional factors known to be important for myocardial energy production, calcium homeostasis and the reduction of oxidative stress, such as thiamine, riboflavin, pyridoxine, L-carnitine, coenzyme Q10, creatine and taurine are reduced in ...
Semino Alessandra - - 2006
Although it is recognized that aggressive soft tissue sarcomas may give rise to cardiac metastases, these manifestations are usually late and clinically silent, being the prevailing finding in exceptional cases. This report describes the occurrence of a massive cardiac metastasis at diagnosis of leg rhabdomyosarcoma in a middle-age adult. This ...
Glance Laurent G - - 2006
Comorbidity measures are designed to exclude complications when they map International Classification of Diseases (ICD-9-CM) codes to diagnostic categories. The use of data fields that indicates whether each secondary diagnosis was present at the time of hospital admission may lead to the more accurate identification of preexisting conditions. To examine ...
Tang W H Wilson - - 2006
Two cases of congestive heart failure with decompensation are presented. The OptiVol fluid index (Medtronic, Inc., Minneapolis, MN) provides an objective gauge of fluid status that can be difficult to obtain with routine clinical history or even with physical examination. The Cardiac Compass Report (Medtronic, Inc.) can identify a patient's ...
Halawa Ahmad - - 2006
A 67-year-old male patient received a coronary artery bypass graft. Less than 2 months afterward, he presented with recurrent exacerbations of congestive heart failure. His response to a standard treatment regimen for heart failure was partly successful, but a few days after discharge he was readmitted for worsening dyspnea and ...
Takane Hiroshi - - 2006
Although the use of continuous ambulatory peritoneal dialysis (CAPD) to treat refractory heart failure is not new, in combination with current medical treatment it improves patients'symptoms as well as their cardiac function. We started 16 patients (13 men with a mean age of 66.3 +/- 2.8 years, and 3 women ...
Azhar Gohar - - 2006
PURPOSE OF REVIEW: Congestive heart failure is a leading cause of morbidity and mortality, especially in older persons. In advanced stages of the disease, congestive heart failure can be associated with serious complications such as cardiac cachexia (defined here as weight loss of more than 6% in 6 months). This ...
Gheorghiade Mihai - - 2006
Most hospitalizations for acute heart failure syndrome (AHFS) are related to clinical congestion as a result of high left ventricular diastolic pressure (LVDP) rather than to low cardiac output. Patients frequently develop "hemodynamic congestion" (high LVDP) several days to weeks before the onset of symptoms and signs of clinical congestion. ...
Gotloib Lazaro - - 2006
BACKGROUND: Aged patients affected by congestive heart failure refractory to pharmacologic therapy, coupled with severe comorbidities that preclude heart transplantation have a gloomy prognosis. Use of automated peritoneal dialysis resulted in a significantly improved quality of life and survival. METHODS: Twenty patients (mean age: 65.7 +/- 7.7 years) with severe ...
Rangasetty Umamahesh C - - 2006
We report an unusual case of pseudoaneurysm and coarctation of the descending thoracic aorta after trauma. The coarctation of aorta resulted in hypertension, severe left ventricular dysfunction, and symptoms of congestive heart failure. Surgical bypass resulted in control of blood pressure and improvement of heart failure symptoms. The mechanism of ...
Hörl W H - - 2005
Anaemia is common in patients with congestive heart failure (CHF). Its prevalence increases with disease severity as a consequence of renal insufficiency, cytokine production, blood loss, iron deficiency, malnutrition and/or plasma volume overload. Anaemia can contribute to worsening of CHF. There is a nonlinear relationship (U-shaped curve) between haemoglobin and ...
Sahin Onur - - 2005
Essential thrombocytosis is a chronic disease characterized by both quantitative and qualitative abnormalities of platelets. These platelet abnormalities have been reported to be associated with a thrombogenic and haemorrhagic tendency. Cardiovascular complications may develop in patients with essential thrombocytosis due to an abnormal thrombogenic and haemorrhagic tendency. In the present ...
Farmer John - - 2005
Understanding of the initiation and progression of congestive heart failure was previously based on the hemodynamic hypothesis, which held that the primary pathophysiology of myocardial dysfunction was due to impairment of the myocardium's ability to function as a pump. The neurohormonal hypothesis, which supplanted this hypothesis, suggests that activation of ...
López Gude María Jesús - - 2006
We report a case of myocardial tuberculosis in an 18-year-old male. He had been diagnosed with isolated asymmetrical septal hypertrophy cardiomyopathy and presented severe congestive heart failure for 4 months. Echocardiography and magnetic resonance studies showed localized echodense shadows and cavities in the thickness of the left ventricle myocardium with ...
Al Suwaidi Jassim - - 2005
OBJECTIVES: To investigate whether Ramadan fasting has any effect on patients with heart disease. METHODS: We prospectively studied 465 outpatients with heart disease who were fasting during the month of Ramadan from October 24 to November 24, 2003. These studied subjects were from various medical centers in the Gulf region; ...
Huhta James C - - 2005
Fetal echocardiography is used in the diagnosis of many forms of congenital heart disease, and in the assessment of the prognosis of cardiac lesions based on their anatomy and presentation in utero. However, the presence of signs of fetal heart failure such as hydrops or valvular regurgitation makes the assessment ...
Turillazzi E - - 2005
BACKGROUND: The term "myocytolysis" was first used to define the repair process of contraction band necrosis associated with an acute myocardial infarction. On the other hand, in the latter condition a "myofibrillolysis," presenting edematous myocardial cells not involved by infarct necrosis, and without evidence of repair process was reported. The ...
Lin Yu-Jan - - 2005
Syncope can be caused by either cardiogenic or noncardiogenic causes. Structural heart diseases should be considered as a possible cause of recurrent episodes of syncope if no other causes are found. We report an 18 month-old girl who presented with recurrent syncope as well as dyspnea, failure to thrive, and ...
Rokoss Michael J - - 2005
Ramipril is an angiotensin-converting enzyme inhibitor that has been extensively studied in randomised, controlled clinical trials in patients with cardiovascular diseases. Therapy with ramipril in patients with various cardiovascular disorders has demonstrated significant and clinically important reductions in cardiovascular death, myocardial infarction, stroke, congestive heart failure, progressive renal impairment and ...
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