Search Results
Results 301 - 350 of 664
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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 DS Nethersole School of Nursing, The Chinese University of Hong Kong, Shatin, Hong Kong, China. - - 2008
This paper is a report of a systematic review of qualitative studies of how older people live with chronic heart failure. 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 to the ...
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 ...
John Joseph - - 2008
A 6 year old girl woke up with pain and increasing swelling over the left hand and difficulty in breathing. On examination, she had swelling of the left forearm and hand, flaccid quadriparesis and was in respiratory failure requiring mechanical ventilation. Two clean puncture wounds were identified on the left ...
Stewart Ronald M - - 2008
Although there are a wide range of complications following thoracic trauma, respiratory failure, pneumonia, and pleural sepsis are the most common potentially preventable problems. Respiratory failure and pneumonia are directly related to the severity of the injury and the age and condition of the patient. A program aimed at aggressive ...
Katan Mira - - 2008
The study conducted by Seligman and coworkers included in the previous issue of Critical Care demonstrates that copeptin is a promising marker to predict outcome in patients with ventilator-associated pneumonia. In recent years, copeptin has emerged as a new prognostic marker in a variety of diseases, such as sepsis, community-acquired ...
Löndahl M - - 2008
OBJECTIVE: To evaluate presence and severity of cardiac disease in individuals with chronic diabetic foot ulcers using echocardiography. METHOD: Eighty consecutive patients with chronic foot ulcers attending the multidisciplinary diabetes foot clinic at Helsingborg Hospital underwent clinical examination, toe blood pressure measurement and a standard echocardiographic examination. RESULTS: Sixty-nine percent ...
Duchemin Matthieu B - - 2008
Biological impairments due to mercury discharge into the environment are now an issue of global concern. From the three forms of mercury found in aquatic ecosystems, the immunotoxic effects of mercury chloride were examined in the model animal, the blue mussel. In order to investigate the toxic potency of this ...
Li Ye-Yang - - 2007
A patient sustained high-voltage electrical burns with third-degree burns over 35.5% of his body surface, which included a large direct wound on the left chest wall, exposing the heart. The heart and lungs were severely injured. Subsequently, hydrothorax, hydropericardium, and respiratory failure developed. He was successfully treated with fluid resuscitation, ...
Choi A - - 2007
Dapsone can alter the oxygen carrying capacity of haemoglobin. Some patients are more susceptible to these effects because of genetic factors, comorbidities or peri-operative factors such as anaemia. We present a 57-year-old lady who underwent elective coronary artery bypass grafting. Deterioration in neurological and respiratory condition prompted a review of ...
Guimarães Laura - - 2007
Hyperpnoeic episodic breathing (HEB), a cyclic waxing and waning of breathing, has been widely reported in pre-term neonates, patients with Joubert syndrome and adults (Cheyne-Stokes respiration) with congestive heart failure and brainstem infarction. We now provide a developmental mouse model of neonatal HEB. We used retinoic acid (RA) (0.5-10 mg/kg ...
Murgu Septimiu D - - 2007
We report a patient with respiratory failure due to expiratory central airway collapse successfully treated with airway stents. A 74-year-old male with obesity and obstructive sleep apnea had recurrent episodes of acute respiratory failure. Noninvasive positive-pressure ventilation failed because of patient intolerance and lack of improvement, and soon after he ...
Morty Rory E - - 2007
Acute lung injury and the acute respiratory distress syndrome continue to be significant causes of morbidity and mortality in the intensive care setting. The failure of patients to resolve the alveolar edema associated with these conditions is a major contributing factor to mortality; hence there is continued interest to understand ...
Deep Akash - - 2007
Invasive ventilation is associated with both pulmonary and non-pulmonary complications. There has been a renewed interest in the use of negative pressure ventilation (NPV) for various medical conditions to minimise the complications associated with positive pressure ventilation. The routine use of NPV in an ICU setting still requires further studies ...
Kahn Judith - - 2007
OBJECTIVES: Although extracorporeal membrane oxygenation (ECMO) is well established for respiratory failure in neonates, application in adults is still considered controversial. The survival of patients with acute respiratory distress syndrome and ECMO therapy is 50% to 70%. DESIGN: A retrospective analysis of 10 patients, who were placed on ECMO from ...
Ostadal B - - 2007
This review deals with the capability of the heart to adapt to chronic hypoxia in animals exposed to either natural or simulated high altitude. From the broad spectrum of related issues, we focused on the development and reversibility of both beneficial and adverse adaptive myocardial changes. Particular attention was paid ...
Monnet Xavier - - 2007
PURPOSE OF REVIEW: The purpose of this review was to summarize recent findings concerning the consequences of cardiopulmonary interactions in acute cardiogenic pulmonary edema, weaning from mechanical ventilation and fluid-responsiveness assessment by respiratory variations of stroke volume. RECENT FINDINGS: The efficacy of continuous or bilevel positive airway pressure in patients ...
Mah Cathryn - - 2007
Pompe disease is caused by a lack of functional lysosomal acid alpha-glucosidase (GAA) and can ultimately lead to fatal hypertrophic cardiomyopathy and respiratory insufficiency. Previously, we demonstrated the ability of recombinant adeno-associated virus serotype 1 (rAAV2/1) vector to restore the therapeutic levels of cardiac and diaphragmatic GAA enzymatic activity in ...
Inafuku Hitoshi - - 2007
A 15-day-old neonate demonstrated severe heart failure and capillary leak syndrome after undergoing a Norwood procedure for hypoplastic left heart syndrome. Because she developed severe subcutaneous edema and baseline blood cortisol was low, we suspected relative adrenal insufficiency. After 18 days of dexamethasone administration, her hemodynamics and respiratory function improved, ...
Bayrakci Benan - - 2007
Although extracorporeal membrane oxygenation (ECMO) is known to improve survival in neonates with respiratory failure, there has been a significant decrease in the use of ECMO in recent years. Alternative modalities such as high-frequency oscillatory ventilation (HFOV), inhaled nitric oxide (iNO), and surfactant therapy are associated with this decline. The ...
Zaobornyj Tamara - - 2007
A remarkable number of adaptive responses; including changes in the cardiovascular, respiratory and hematologic systems; takes place during acclimatization to natural or simulated high altitude. This adaptation to chronic hypoxia confers the heart an improved tolerance to all major deleterious consequences of acute O2 deprivation, not only reducing infarct size ...
Drury Nigel E - - 2007
Chronic myelomonocytic leukaemia is an atypical myeloproliferative disorder with a natural history of progression to acute myeloid leukaemia, a complex and poorly understood response by the bone marrow to stress. Cardiac surgery activates many inflammatory cascades and may precipitate a systemic inflammatory response syndrome. We present a case of undiagnosed ...
Swigris Jeffrey J - - 2006
Acute interstitial pneumonia (AIP) and acute exacerbations of idiopathic pulmonary fibrosis (AEIPF) are similar respiratory disorders characterized by the rapid development of progressive dyspnea and cough. Both frequently lead to respiratory failure and death. Pathologically, each is characterized by the presence of a diffuse alveolar damage (DAD) pattern; in AIP, ...
Taban Mehran - - 2006
A patient with IgA nephropathy developed cotton-wool spots and serous retinal detachments. Fluorescein angiography demonstrated choroidal infarcts in both eyes from hypertensive retinopathy in acute on chronic renal failure. Plasmapheresis and hemodialysis led to visual recovery. Acute ocular hypertensive changes from IgA nephropathy may be reversed by plasmapheresis and hemodialysis.
Saha Sandeep A - - 2006
Acute toxic methemoglobinemia is an infrequent complication of the use of topical anesthetics, most notably benzocaine. The clinical picture is characterized by sudden development of tissue hypoxia without underlying cardiac or respiratory dysfunction, and deceptively normal oxygen saturation on conventional arterial blood gas analysis. This condition may be rapidly fatal ...
Reis Miranda Dinis - - 2006
OBJECTIVE: Ventilation according to the open lung concept (OLC) consists of recruitment maneuvers, followed by low tidal volume and elevated positive end-expiratory pressure (PEEP). Elevated PEEP is associated with an increased right ventricular afterload. We investigated the effect of OLC ventilation on right ventricular outflow impedance during inspiration and expiration ...
Santhana Krishnan S G - - 2006
A 38 year old man with history of obstructive sleep apnea and polycythaemia presented with hypercapnic respiratory failure that required intubation. He developed fever with infiltrates on chest radiography that required empiric antifungal therapy with fluconazole along with broad spectrum antibiotics. He developed acute adrenal insufficiency that recovered after fluconazole ...
Iwasa Shizuko - - 2006
OBJECTIVES: A girl who was diagnosed with cyanotic congenital heart disease in a newborn, showed anoxic spell attacks which we thought were correlated with the congenital heart disease. Although she underwent the palliative operation at 8 months old and her SpO2 was increased, she experienced severe and life-threatening respiratory dysfunction ...
Ritz Thomas - - 2006
Respiratory sinus arrhythmia (RSA) or high-frequency heart rate variability has been widely used as a noninvasive measure of cardiac vagal tone. However, their dependency on both respiration rate and tidal volume is largely ignored. Only a minority of studies published in Psychosomatic Medicine in recent years has implemented precautions for ...
Roth Arie - - 2006
OBJECTIVE: To assess the impact of a telemedicine program in which electrocardiogram (EKG), body weight and/or blood pressure are measured at home and medically trained personnel judge the transmitted data and council the patients by telephone. METHOD: We systematically studied the outcome and cost-effectiveness of the cardiac programs carried out ...
Yan Lin - - 2006
During the search for cardioprotective mechanisms in a porcine model of chronic myocardial ischemia and hibernating myocardium, we discovered evidence for autophagy, which could be involved in the protection against apoptosis. Autophagy is a cellular degradation process responsible for the turnover of unnecessary or dysfunctional organelles and cytoplasmic proteins, which ...
Mayda-Domac Fusun - - 2006
To investigate and determine the clinical findings, lesions, risk factors, and variety of etiology in Turkish patients suffering from vertebrobasilar ischemia. The clinical, radiological, and prognostic features of patients with ischemic stroke in the vertebrobasilar system (VBS) are not homogeneous. The mechanism, localization, and severity of the vascular lesions and ...
Davidson Sean M - - 2006
Although the specific roles of nitric oxide (NO) in the heart in general and on cardiac mitochondria in particular remain controversial, it is now clear that both endogenous and exogenous sources of NO exert important modulatory effects on mitochondrial function. There is also growing evidence that NO can be produced ...
Augustin Simon L - - 2006
A 13-year-old girl presented to the emergency department with fatigue, headaches and muscle stiffness after returning from a family camping trip. Within 24 h, she was transferred to ICU with general oedema and low saturations, where she had a cardio-respiratory arrest and was placed on veno-arterial extracorporeal membrane oxygenation (ECMO). ...
Naylor Justine M - - 2006
QUESTION: Does a modified postural drainage position (horizontal) produce less cardiovascular and respiratory stress than a head-down postural drainage position (30 degrees) in people with severe heart disease? DESIGN: A quasi-experimental study. PARTICIPANTS: Thirty-one patients (mean age 69 years, SD 13) with severe left ventricular systolic dysfunction (mean ejection fraction ...
Cecconi Maurizio - - 2006
Right ventricular failure (RVF) is an underestimated problem in intensive care. This review explores the physiology and pathophysiology of right ventricular function and the pulmonary circulation. When RVF is secondary to an acute increase in afterload, the picture is one of acute cor pulmonale, as occurs in the context of ...
Lagorio Susanna - - 2006
Adverse health effects at relatively low levels of ambient air pollution have consistently been reported in the last years. We conducted a time-series panel study of subjects with chronic obstructive pulmonary disease (COPD), asthma, and ischemic heart disease (IHD) to evaluate whether daily levels of air pollutants have a measurable ...
Knorr Bethany R BR Institute for Security Technology Studies and Thayer School of Engineering, Dartmouth College, - - 2006
Photoplethysmography has been recently studied asa non-invasive indicator of circulatory and respiratory function. In this study, photoplethysmographic (PPG) data were recorded from patients under the influence of anesthesia, but not intubated. Both time and frequency domain features were extracted from the PPG and used as inputs to a neural network ...
Brown Kate L - - 2005
AIM: To evaluate the proportion of neonates referred for extracorporeal membrane oxygenation (ECMO) support in the modern era of advanced conventional treatments for respiratory failure who actually had congenital heart disease (CHD), and to assess the impact of this diagnostic route on patient condition and outcome. METHODS: A retrospective case-note ...
Niizeki Takeshi - - 2005
BACKGROUND AND OBJECTIVES: Heart-type fatty acid binding protein (H-FABP) is released into the circulation from the damaged myocardium of patients with severe chronic heart failure. Chronic heart failure is the most frequent cause of death and disability in the elderly. However, there are no data for the prognostic value of ...
Urbanek Konrad - - 2005
In this study, we tested whether the human heart possesses a cardiac stem cell (CSC) pool that promotes regeneration after infarction. For this purpose, CSC growth and senescence were measured in 20 hearts with acute infarcts, 20 hearts with end-stage postinfarction cardiomyopathy, and 12 control hearts. CSC number increased markedly ...
Carratù P - - 2005
BACKGROUND: Despite recent encouraging results, the use of noninvasive ventilation (NIV) in the management of acute exacerbations in chronic obstructive pulmonary disease (COPD), complicated by acute respiratory failure (ARF), is not always successful. Failure of NIV may require an immediate intubation after a few hours (usually 1-3) of ventilation ('early ...
Hirai Shinji - - 2005
A 61-year-old male had complained of cough and dyspnea on effort, with right pleural effusion. Computed tomography demonstrated a calcific pericardium surrounding the entire heart, with thickening of 10 mm. Cardiac catheterization showed no coronary disease, but a dip-and-plateau of the pressure curve of both ventricles. We diagnosed congestive heart ...
Jardin François - - 2005
PURPOSE OF REVIEW: Because the right side of the heart supplies blood to the pulmonary circulation, its integrity is required for both adequate respiratory and circulatory function. By reducing pulmonary perfusion, right-sided heart failure may compromise arterial oxygenation and left ventricular filling, and monitoring of right-sided heart function at the ...
Meyer Harald J - - 2005
A 66-year-old man received a local infiltration of cortisone and xylocain in the left paravertebral region between the fifth and sixth cervical vertebrae. Respiratory failure occurred 2.5 h later with subsequent successful resuscitation. During the following 2 months of assisted ventilation up to the patients death, tetraplegia with concurrent full ...
Timonen Kirsi L - - 2005
Exposure to ambient particulate air pollution leads to adverse cardiovascular and respiratory effects. It has been estimated that air pollution could be responsible for 0.8 million (1.4%) deaths per year worldwide. Air pollution may worsen the sequelae of coronary atherosclerosis and, potentially accelerate its development. Some of the pollution effects ...
Steinke Elaine E - - 2005
Individuals experiencing a chronic illness have many needs and concerns. One area frequently overlooked is that of intimacy. Those experiencing cardiovascular illnesses have concerns about the strain of sexual activity on their heart. Individuals with lung diseases may perceive that sexual activity is no longer possible because of breathing difficulties. ...
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