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Results 251 - 300 of 658
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Ambar Sameer Suresh - - 2010
One of the most interesting congenital malformations is that of conjoined twins. We report echocardiographic features of twin heart in dicephalus, tribrachius, dispinous, thoracoomphalopagus twin. It showed two hearts fused at atrial level. Right-sided heart had single atrial chamber with a single ventricle. A single great vessel, aorta, originated from ...
Baguet J-P - - 2010
Obstructive sleep apnoea (OSA) has been linked to increased cardiovascular risk. The present study examined the relationships between respiratory parameters and left ventricular abnormalities in OSA. 150 newly diagnosed OSA patients without any known cardiovascular disease were included in the study (mean ± sd age 49 ± 11 yrs, body ...
Akashi Y J - - 2010
Tako-Tsubo cardiomyopathy (TTC, stress cardiomyopathy) is more common in elderly women and its symptoms can be deceptively similar to those of acute myocardial infarction. Although coronary arteries appear normal on coronary angiograms, a shape like a Tako-Tsubo (a Japanese fishing pot for trapping octopuses) can be observed on left ventriculogram. ...
Barker David J P - - 2010
Low birth weight and low placental weight predict later coronary heart disease and hypertension. This has led to the hypothesis that these diseases are initiated by foetal programming, the process by which foetal malnutrition leads to permanent changes in the body in ways that lead to chronic disease in later ...
Laske Timothy G - - 2010
American black bears survive winter months without food and water while in a mildly hypothermic, hypometabolic, and inactive state, yet they appear to be able to return to near-normal systemic function within minutes of arousal. This study's goal was to characterize the cardiovascular performance of overwintering black bears and elicit ...
Buechel Ronny R - - 2010
The latest gamma-camera generation with cadmium-zinc-telluride (CZT) detectors allows myocardial perfusion imaging (MPI) with respiratory triggering at breath-hold. We assessed its impact on functional left ventricular (LV) parameters. Twenty-eight consecutive patients underwent a one-day (99m)Tc-tetrofosmin pharmacologic stress/rest imaging protocol on a novel CZT camera. Electrocardiogram-gated high-dose (rest) MPI was performed ...
Buczinski S - - 2010
A four-year old goat was presented for anorexia and apathy since kidding one week earlier. Physical examination revealed dyspnea, extensive ascites and bilateral distended jugular veins, suggestive of congestive right heart failure. The echocardiographic findings of severe right ventricular and atrial dilatation were consistent with right heart failure. In the ...
Ronco Claudio - - 2010
To include the vast array of interrelated derangements, and to stress the bidirectional nature of the heart-kidney interactions, the classification of the cardiorenal syndrome (CRS) includes today five subtypes whose etymology reflects the primary and secondary pathology, the time-frame and simultaneous cardiac and renal codysfunction secondary to systemic disease. The ...
Shimane Masaki - - 2010
Synchronization between cardiac and respiratory rhythms may be important for oxygen transport to tissues. The aim of this study was to investigate the synchronization between cardiac and respiratory rhythms. We evaluated the rhythms in 12 healthy males and 24 patients. The incidence rates of heart beats were obtained in each ...
Peris Adriano - - 2010
INTRODUCTION: Extracorporeal Life Support (ECLS) and extracorporeal membrane oxygenation (ECMO) have been indicated as treatment for acute respiratory and/or cardiac failure. Here we describe our first year experience of in-hospital ECLS activity, the operative algorithm and the protocol for centralization of adult patients from district hospitals. METHODS: At a tertiary ...
Barandon Laurent - - 2010
We present and characterize an original experimental model to create a chronic ischemic heart failure in pig. Two ameroid constrictors were placed around the LAD and the circumflex artery. Two months after surgery, pigs presented a poor LV function associated with a severe mitral valve insufficiency. Echocardiography analysis showed substantial ...
Littmann Laszlo - - 2010
Respiratory artifact in the electrocardiogram usually indicates labored breathing due to compromised cardiac or pulmonary function. This case series illustrates that correlating the presence and characteristics of respiratory artifact with the ECG morphology and with changes in heart rate frequently allows us to reach specific clinical diagnoses.
Brown David W - - 2009
Relationships between cardiac murmurs detected during physical examination and coronary heart disease mortality among the general population are not well described. To assess the relationship between cardiac murmurs detected during physical examination and coronary heart disease mortality. This relationship was examined with Cox regression analyses of data from 7990 adults, ...
Ito Kenta - - 2010
The heart is subjected to chronic mechanical unloading during prolonged spaceflight and microgravity. The heart in patients with end-stage heart failure is also unloaded in prolonged duration after left ventricular assist devices (LVAD) are implanted. Heterotopic heart transplantation in rats is an established model of chronic cardiac unloading, and has ...
Schmitto Jan Dieter - - 2009
Although a large variety of animal models for acute ischemia and acute heart failure exist, valuable models for studies on the effect of ventricular assist devices in chronic heart failure are scarce. We established a stable and reproducible animal model of chronic heart failure in sheep and aimed to investigate ...
Kelley Walter E - - 2009
BACKGROUND: Although cardiac troponin (cTn) is a cornerstone marker in the assessment and management of patients with acute coronary syndrome (ACS) and heart failure (HF), cTn is not diagnostically specific for any single myocardial disease process. This narrative review discusses increases in cTn that result from acute and chronic diseases, ...
Lizak M K - - 2009
BACKGROUND: Chronic heart failure and airway obstruction produce overlapping syndromes. Existent criteria for the diagnosis and grading of airway obstruction based on spirometry results may be inadequate in the presence of coexistent cardiac failure. The cardiac component of pulmonary function tests (PFT) can be measured in patients undergoing orthotopic heart ...
Kose Ataman - - 2009
Chlorine is one of the most common substances involved in toxic inhalation. Until now, several accidental exposures have been reported. The damage to the respiratory tract in the immediate phase after exposure to chlorine is well defined. Death occurs particularly due to pulmonary edema with respiratory failure and circulatory collapse. ...
Swift S - - 2009
OBJECTIVES: Dyspnoea is an unspecific severe presenting sign, which can be life threatening and requires prompt treatment. Dyspnoeic cats often have significant underlying disease. Underlying aetiologies in cats that presented with dyspnoea were reviewed, and associations with patient signalment and outcome were investigated. METHODS: The case records of 90 dyspnoeic ...
Surges Rainer - - 2009
Sudden unexpected death in epilepsy (SUDEP) is the most common cause of death directly related to epilepsy, and most frequently occurs in people with chronic epilepsy. The main risk factors for SUDEP are associated with poorly controlled seizures, suggesting that most cases of SUDEP are seizure-related events. Dysregulation in cardiac ...
Lund Håheim Lise - - 2009
AIMS: To compare the levels of C-reactive protein (CRP) in a range of chronic disorders such as osteoporosis, asthma, diabetes, chronic bronchitis/emphysema, myocardial infarction, current oral infections, stroke, angina pectoris, hay fever, and fibromyalgia/chronic pain syndrome. METHODS: In all, 5,323 men took part in the first and second health screening ...
Doser Thomas A TA Center for Cardiovascular Research and Alternative Medicine, University of Wyoming College of Health Sciences, Laramie, WY 82071, - - 2009
Chronic alcoholism leads to the onset and progression of alcoholic cardiomyopathy through toxic mechanisms of ethanol and its metabolite, acetaldehyde. This study examined the impact of altered acetaldehyde metabolism through systemic transgenic overexpression of aldehyde dehydrogenase-2 (ALDH2) on chronic alcohol ingestion-induced myocardial damage. ALDH2 transgenic mice were produced with the ...
Drakos Stavros G - - 2009
Anemia is frequently observed in patients with chronic heart failure and is increasingly recognized as an important and treatable condition. The present review will summarize the current knowledge of the prevalence, causative factors, and pathophysiologic correlates of anemia in chronic heart failure. Despite increasing knowledge of anemia there are very ...
Sicouri Serge S Masonic Medical Research Laboratory, Utica, New York 13501, - - 2009
To examine the effects of chronic amiodarone on the electrophysiology of canine pulmonary vein (PV) sleeve preparations and left ventricular wedge preparation. Amiodarone is commonly used for the treatment of ventricular and supraventricular arrhythmias. Ectopic activity arising from the PV plays a prominent role in the development of atrial fibrillation ...
Jardin François - - 2009
PURPOSE OF REVIEW: Acute cor pulmonale is a form of acute right heart failure produced by a sudden increase in resistance to blood flow in the pulmonary circulation, which is now rapidly recognized by bedside echocardiography. RECENT FINDINGS: In the clinical setting, acute cor pulmonale is mainly observed as a ...
Mehta Sangeeta - - 2009
Acute cardiogenic pulmonary edema (ACPE) is a common cause of respiratory failure that necessitates endotracheal intubation. In some patients intubation and its attendant complications can be avoided with noninvasive ventilation (NIV). Both continuous positive airway pressure (CPAP) and NIV have been evaluated in patients with ACPE. Compared to conventional treatment, ...
Pedoto Alessia - - 2009
PURPOSE OF REVIEW: As part of the preoperative evaluation, echocardiography provides noninvasive assessment of cardiovascular status in patients scheduled for lung resection, especially in the presence of chronic elevation of pulmonary arterial pressures. The goal of this review is to summarize the recent literature on the topic. RECENT FINDINGS: Changes ...
Ronco Claudio - - 2009
The term 'cardiorenal syndrome' (CRS) has increasingly been used in recent years without a constant meaning and a well-accepted definition. To include the vast array of interrelated derangements, and to stress the bidirectional nature of the heart-kidney interactions, the classification of the CRS today includes 5 subtypes whose etymology reflects ...
Al-Shahi Salman Rustam - - 2009
Cardioembolic stroke is an important cause of stroke in young people. Cardioembolism classically causes infarcts in multiple vascular territories. In the case described here a young woman developed cardioembolic stroke secondary to atrial myxoma. The presentation was atypical in that the woman had no systemic manifestations of her myxoma.
Karthikeyan Kalai - - 2009
Amyloidosis is a generalised clinical disorder characterised by extracellular deposition of amyloid fibrils. Symptomatic cardiac amyloidosis is typically associated with light chain (AL) amyloidosis in the western world. Amyloid deposition in the myocardium causes restrictive cardiomyopathy. Cardiac manifestations affect patient's performance status and limit therapeutic options. We present a case ...
Amino Mari - - 2009
In 2008, 1,007 cases of suicide in which hydrogen sulfide was used as a suicidal agent were reported in Japan, and this has become a serious social problem. Here, we report the successful revival of a patient suffering from a severe disturbance of consciousness and respiratory failure caused by hydrogen ...
Malkin Chris J - - 2009
Chronic heart failure is common and can be described as a syndrome characterized by impairment of cardiac function associated with a maladaptive metabolic and neurohormonal axis. The thesis that testosterone replacement therapy may be helpful as a treatment for chronic heart failure may seem at first to be unlikely. Testosterone ...
Patel Dharmendrakumar A - - 2009
Echocardiographically determined left atrial (LA) size has been shown to be a significant predictor of cardiovascular (CV) outcomes. We review the physiology and echocardiographic assessment of LA size and functions and describe the pathophysiologic determinants and clinical implications of LA enlargement. However, despite strong evidence, standardized LA size assessment and ...
López Begoña - - 2008
Interstitial and perivascular fibrosis is a constant finding in heart biopsies and necropsy studies in patients with chronic kidney disease and hypertension, namely in those with left ventricular hypertrophy. Fibrosis is the result of the unbalance between exaggerated collagen synthesis and unchanged or depressed collagen degradation. A number of factors ...
Wu Chung-Ze - - 2008
BACKGROUND: Thyrotoxic hypokalemic periodic paralysis in combination with an acute episode of general flaccid paralysis and hypokalemia is common in young Asian men with hyperthyroidism. We report the very rare complications of involvement of the respiratory muscles and ventricular tachycardia in this disorder. SUMMARY: A 29-year-old man exhibited profound paralysis ...
Zafra R - - 2008
Two flocks of broiler chickens aged 15 to 30 days presented respiratory signs such as dyspnea and up to 25% mortality. These were the only two flocks in the farm where a bed of sunflower shells was used instead of the rice-hull bedding used in other flocks. At necropsy, severe ...
Staud Roland - - 2008
Although fibromyalgia (FM) syndrome is defined by chronic widespread pain and tenderness, additional symptoms, including disabling fatigue and dizziness, are often reported by patients with this chronic illness. Although nonrestorative sleep may play an important role for chronic fatigue in FM, other mechanisms, including dysfunction of the autonomic nervous system ...
Ronco Claudio - - 2008
The term cardiorenal syndrome (CRS) increasingly has been used without a consistent or well-accepted definition. To include the vast array of interrelated derangements, and to stress the bidirectional nature of heart-kidney interactions, we present a new classification of the CRS with 5 subtypes that reflect the pathophysiology, the time-frame, and ...
Bitarafan Ahmad - - 2008
OBJECTIVE: Gated myocardial perfusion single-photon emission computed tomography (GSPECT) has been established as an accurate and reproducible diagnostic and prognostic technique for the assessment of myocardial perfusion and function. Respiratory motion is among the major factors that may affect the quality of myocardial perfusion imaging (MPI) and consequently the accuracy ...
Charytan David M - - 2009
Patients with chronic kidney disease have high rates of myocardial infarction and death following an initial attack. Proximal location of coronary atherosclerotic lesions has been linked to the risk of acute myocardial infarction and to infarction-associated mortality. To examine if the spatial distribution of lesions differs in patients with and ...
Sterba Martin - - 2008
OBJECTIVE: To evaluate the role of levosimendan in improving cardiac performance and the success rate of weaning from mechanical ventilation in ventilatordependent, difficult-to-wean patients with impaired cardiac function in the intensive care unit. DESIGN AND SETTING: Prospective, observational study in the ICU of Westmead Hospital, a university-affiliated tertiary referral hospital ...
Murphy Glenn S - - 2008
BACKGROUND: Incomplete recovery from neuromuscular blockade in the postanesthesia care unit (PACU) may contribute to adverse postoperative respiratory events. This study determined the incidence and degree of residual neuromuscular blockade in patients randomized to conventional qualitative train-of-four (TOF) monitoring or quantitative acceleromyographic monitoring. The incidence of adverse respiratory events in ...
Sandek Anja - - 2008
PURPOSE OF REVIEW: Chronic heart failure is a multisystem disease with increased sympathetic tone, an anabolic/catabolic dysbalance, and chronic inflammation. Recent studies suggest an altered morphology, permeability, and absorption of the digestive tract in chronic heart failure. Due to nonocclusive mesenterial ischaemia and disturbed intestinal microcirculation, bacterial endotoxin is thought ...
Lai Peng P Department of Biomedical Engineering, Northwestern University, Chicago, Illinois 60611, - - 2008
To investigate the accuracy of a dual-projection respiratory self-gating (DP-RSG) technique in dynamic heart position measurement and its feasibility for free-breathing whole-heart coronary MR angiography (MRA). A DP-RSG method is proposed to enable accurate direct measurement of heart position by acquiring two whole-heart projections. On 14 volunteers we quantitatively evaluated ...
Schmitto J D - - 2008
Valuable models of chronic heart failure to perform histological studies are scarce. The authors aimed at investigating histological changes of the heart, lung, liver and kidneys in a stable and reproducible animal model of chronic heart failure in sheep. In 8 sheep (N.=8, 77+/-2 kg) chronic heart failure was induced ...
Gyurak Anett A Department of Psychology, University of California, Berkeley, CA 94720-5050, USA. - - 2008
Emerging evidence suggests that high resting heart rate variability in the respiratory frequency band, or respiratory sinus arrhythmia (RSA) may capture individual differences in the capacity to engage in situationally appropriate regulation of affect and behavior. The authors therefore hypothesized that high RSA may act as a protective factor against ...
Delerme Samuel - - 2008
Acute respiratory failure (ARF) in patients over 65 years is common in emergency departments (EDs) and is one of the key symptoms of congestive heart failure (CHF) and respiratory disorders. Searches were conducted in MEDLINE for published studies in the English language between January 1980 and August 2007, using 'acute ...
Desai Ketaki V - - 2008
Myocardial interstitial edema forms as a result of several disease states and clinical interventions. Acute myocardial interstitial edema is associated with compromised systolic and diastolic cardiac function and increased stiffness of the left ventricular chamber. Formation of chronic myocardial interstitial edema results in deposition of interstitial collagen, which causes interstitial ...
Yu Doris S F - - 2008
AIM: This paper is a report of a systematic review of qualitative studies of how older people live with chronic heart failure. BACKGROUND: Chronic heart failure is a global epidemic mainly affecting an ageing population. Understanding how older people live with this disease is important to help promote their adjustment ...
Murray Andrew J AJ Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, England. - - 2008
Heart failure patients have abnormal cardiac high energy phosphate metabolism, the explanation for which is unknown. Patients with heart failure also have elevated plasma free fatty acid (FFA) concentrations. Elevated FFA levels are associated with increased cardiac mitochondrial uncoupling proteins (UCPs), which, in turn, are associated with decreased mitochondrial respiratory ...
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