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Results 351 - 400 of 659
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Schmidt Hendrik - - 2005
The chemo- and ergoreflexes (muscle receptors) are among the major reflex arches, which adapt the respiratory and the cardiovascular system to the needs of the body and contribute to its homeostasis. The present paper reviews the interplay of these reflexes with other major cardiovascular reflex arches; the methods used for ...
Jones Peter - - 2005
We report the first probable identification of encephalomyocarditis virus (EMCV) in a bonobo (Pan paniscus) that had been part of a forest re-introduction programme. Clinical presentation was of episodic acute on chronic heart failure and cerebral infarction with end-stage renal failure rather than sudden death which is more commonly associated ...
Majid Adnan - - 2005
PURPOSE OF REVIEW: This review critically examines recent literature related to applications of noninvasive ventilation in the acute setting. RECENT FINDINGS: Recent articles have strengthened the evidence supporting the use of noninvasive ventilation for patients with cardiogenic pulmonary edema and exacerbation of severe chronic pulmonary obstructive disease. In the former, ...
Skånér Ylva - - 2005
BACKGROUND: Diagnosing chronic heart failure is difficult, especially in mild cases or early in the course of the disease, and guidelines are not easily implemented in everyday practice. The aim of this study was to investigate general practitioners' diagnostic reasoning about patients with suspected chronic heart failure in comparison with ...
Roh Michael L - - 2005
A 47-year-old diabetic man with chronic renal failure presented with a 1-month history of complete ptosis of the left upper eyelid, left proptosis, and left-sided headache. During the course of the patient's care, other significant diagnoses were excluded, such as orbital inflammatory syndrome, carotid-cavernous syndrome, and cavernous sinus thrombosis. Neuroimaging ...
Shechter Guy - - 2005
Magnetic resonance (MR) and computed tomography coronary imaging is susceptible to artifacts caused by motion of the heart. The presence of rest periods during the cardiac and respiratory cycles suggests that images free of motion artifacts could be acquired. In this paper, we studied the rest period (RP) duration of ...
Ajithkumar A K - - 2004
The clinical features of severe hypokalaemia include constipation, ileus, ventricular and atrial tachycardias, weakness, hypotonicity and rarely an ascending motor paralysis with ventilatory failure. We describe a patient who presented with severe diarrhoea, hypokalaemic normal anion gap metabolic acidosis and hypophosphataemia. He developed stridor and respiratory failure following early correction ...
Poppe Maja - - 2004
Mutations in the gene encoding fukutin-related protein cause limb-girdle muscular dystrophy 2I. In this multicenter retrospective analysis of 38 patients, 55.3% had cardiac abnormalities, of which 24% had developed cardiac failure. Heterozygotes for the common C826A mutation developed cardiac involvement earlier than homozygotes. All patients initially improved while receiving standard ...
Hoye Angela - - 2004
Successful percutaneous therapy of chronic total occlusions is limited predominantly by the inability to cross the lesion. We report our experience of 29 chronic total occlusions (CTOs) that could not be crossed with conventional wires and subsequently underwent attempted recanalization facilitated using a wire navigated with optical coherence reflectometry. Mean ...
Bugmann Philippe - - 2004
A 9-month-old girl presented with life-threatening acute respiratory failure 1 week after the surgical correction of a double aortic arch, which was due to a severe bulging of the pars membranacea into the lumen of the trachea that produced a complete obstruction of the lower trachea. Under cardiopulmonary bypass, a ...
Markou Nicolaos K - - 2004
Respiratory failure is defined as a failure in gas exchange due to an impaired respiratory system--either pump or lung failure, or both. The hallmark of respiratory failure is impairment in arterial blood gases. This review describes the mechanisms leading to respiratory failure, the indices that can be used to better ...
Bandi Venkata D - - 2004
Acute respiratory failure can be the result of a variety of clinical conditions, such as congestive heart failure, pneumonia, pulmonary embolism, exacerbation of obstructive lung diseases, and acute respiratory distress syndrome (ARDS). This article focuses on developments related to acute lung injury and ARDS and reviews epidemiology, pathogenesis and therapeutic ...
Dzhanashiya P Kh - - 2004
Refracterin therapy of patients with chronic heart failure caused by coronary heart disease and postinfarction cardiosclerosis markedly promoted improvement in the pulmonary and systemic circulation in comparison with patients receiving traditional therapy. The mean functional class of chronic cardiac failure decreased by 43% under the effect of refracterin vs. 27% ...
Shechter Guy - - 2004
Respiratory motion compensation for cardiac imaging requires knowledge of the heart's motion and deformation during breathing. This paper presents a method for measuring the natural tidal respiratory motion of the heart from free breathing coronary angiograms. A three-dimensional (3-D) deformation field describing the cardiac and respiratory motion of the coronary ...
Diltoer Marc W - - 2004
The metabolic effects of chronic alcohol abuse can induce a broad spectrum of disorders. We describe the case of an initially unidentified alcoholic, poorly nourished woman who presented with ketoacidosis. She developed severe cardiac failure, which did not respond to classical treatment. The administration of intravenous thiamine resulted in an ...
Via G - - 2004
Pulmonary hypertension (PH) is a threatening condition that can be associated with a great variety of both pulmonary and extrapulmonary diseases. In all forms of severe PH the pulmonary vascular bed looses its physiological features of a "high flow-low pressure system", putting an increased afterload on the right ventricle (RV). ...
Finsterer J - - 2004
Mitochondriopathies (MCPs) are either due to sporadic or inherited mutations in nuclear or mitochondrial DNA located genes (primary MCPs), or due to exogenous factors (secondary MCPs). MCPs usually show a chronic, slowly progressive course and present with multiorgan involvement with varying onset between birth and late adulthood. Although several proteins ...
Nava Stefano - - 2004
With selected patients noninvasive positive-pressure ventilation (NPPV) can obviate endotracheal intubation and thus avoid the airway trauma and infection associated with intubation. With patients who can cooperate, NPPV is the first-line treatment for mild-to-severe acute hypercapnic respiratory failure. NPPV is also used for hypercapnic ventilatory failure and to assist weaning ...
McMurray John J V - - 2004
Recent studies have drawn cardiologists' attention to the potential impact of anemia in chronic heart failure patients. Cumulative studies show the association between anemia and poorer functional status and increased morbidity and mortality. There are data supporting the association of anemia with worse New York Heart Association functional class, poorer ...
Castilla Mariano - - 2004
We present the case of a neonate undergoing surgery on the first day of life for the installation of a permanent pacemaker because of the existence of congenital complete heart block (CCHB) with a basal heart rate of 43 b.min(-1) and minimal elevation after initiating an isoproterenol perfusion. The intervention ...
Mared Lena - - 2004
BACKGROUND: Previous studies showing a strong relationship between Cheyne-Stokes respiration and the severity of left ventricular systolic dysfunction have usually been done in selected patient populations with lower age and a higher proportion of males than the "typical" in-hospital patient with heart failure. The purpose of the present study was ...
Bitzikas Grigoris - - 2004
PURPOSE: The standard management of respiratory failure after cardiothoracic surgery involves prolonged mechanical ventilation, drug support, and chest physiotherapy. We report the effectiveness of a novel type of respiratory physiotherapy, the air mattress V-CUE unit, which utilizes a computerized automatic combination of three movements: rotation, percussion, and vibration. METHODS: Among ...
Cook Larry N - - 2004
Extracorporeal membrane oxygenation (ECMO) consists of the application of intermediate-term cardiopulmonary bypass for the treatment of potentially reversible heart and/or lung failure in the neonate, child, and adult. Applications in the neonate include congenital diaphragmatic hernia, pulmonary hypertension, meconium aspiration syndrome, and pre- and post-operative congenital heart surgery support. In ...
Terao Shin-ichi - - 2004
A 70-year-old man presented with unilateral lateral medullary infarction, and then died of rapidly progressive respiratory failure within a day. The clinical manifestations were hiccups, hoarseness, dysarthria, nystagmus, left central facial paralysis, paralysis of the left soft palate, dysphagia, decreased superficial sensation over the right face and upper limb, and ...
Kincade Robert C - - 2004
A 41-year-old woman had acute respiratory failure related to a myocardial infarction. Attempts at orotracheal intubation were unsuccessful; therefore, an emergency percutaneous tracheostomy was performed. The patient was then taken to the cardiac catheterization laboratory for myocardial revascularization. After the tracheostomy cannula was removed, the patient recovered successfully and was ...
Padhye N N The University of Texas Health Science Center at Houston, Houston, TX, - - 2004
The heart rate variability of fetuses under stress from maternal uterine contractions conveys critical information to clinicians and also provides theoretical clues about heart rate regulatory mechanisms. According to the polyvagal theory, the deceleration of fetal heart rate under stress is caused by the withdrawal of vagal tone. Recovery is ...
Monteiro Pedro - - 2003
Cardiac mitochondria may become dysfunctional during ischaemia, thus compromising cardiomyocyte function. Carvedilol is an alpha(1)/beta-adrenoceptor antagonist with antioxidant, neuroprotective, cardioprotective and vascularprotective properties, and is used to treat hypertension, myocardial ischaemia and congestive heart failure. However, its impact on mitochondrial function during acute prolonged ischaemia is unknown. We aimed to ...
Fontana G A - - 2003
The pathogenesis and clinical features of gastro-oesophageal reflux related cough are complex and the diagnostic tests available are of limited reliability. Treatment needs to be tailored to the specific needs of individual patients and other possible causes of chronic cough should be investigated. Treatment should only be considered to have ...
Kube Stephanie - - 2003
Two dogs presented with acute tetraparesis, hypoventilation, and bradycardia with a second-degree atrioventricular heart block. Neurological examination localized both lesions to the cervical spine. Diagnostic imaging revealed a ventral extradural compression at the second to third cervical (C(2)-C(3)) region in one dog and at the third to fourth cervical (C(3)-C(4)) ...
Schumacher J - - 2003
Respiratory depression and apnoea during anaesthesia may lead to hypoxia and myocardial ischaemia. A self-inflating miniature bag-mask device was assembled combining characteristics from the Ambu-bag and the Kuhn-system. This bag-mask device permitted ventilation during anaesthesia-induced apnoea in rats until a safe airway by tracheotomy was achieved.
Antonelli M - - 2003
Noninvasive ventilation (NIV) includes various techniques for augmenting alveolar ventilation without an endotracheal airway. The theoretical advantages of this approach include avoiding the complications associated with endotracheal intubation, improving patient comfort, preserving airway defence mechanisms, speech and swallowing. The successful application of NIV in hypoxaemic acute respiratory failure (ARF) of ...
Hayano Junichiro - - 2003
A hypothesis is presented that explains the physiological reasons why the magnitude of respiratory sinus arrhythmia (RSA) appears to correlate with cardiac vagal tone. The hypothesis is that RSA is an intrinsic resting function of the cardiopulmonary system. Although RSA is mediated by respiratory modulation of cardiac vagal outflow and ...
Campbell W B - - 2003
BACKGROUND: There is some evidence that the early outcome of major amputation is worse after failed thromboembolectomy, but the risk factors and results of amputation done for acute ischaemia have never been compared with those for chronic ischaemia in a large series of patients. METHOD: Retrospective review of 30 day ...
Vincent J L - - 2003
To summarize the prevalence of various forms of acute respiratory failure in acutely ill patients and review the major factors involved in the outcome of these patients. MEDLINE search for published studies reporting the prevalence or outcome for patients with acute respiratory failure and cited reference studies and abstracts from ...
Doll Helen - - 2003
The purpose of the study is to compare a generic and a specific quality of life (QoL) instrument in the assessment of QoL in chronic bronchitis. Data from 320 patients were collected at acute exacerbation of chronic bronchitis (AECB), and from 230 patients during a subsequent stable phase (non-AECB), utilising ...
Vieillard-Baron Antoine - - 2003
Even a slight increase in pulmonary vascular resistance can overload a normal right ventricle, which ejects blood through a low-pressure circuit. In a clinical setting, a persistent increase in pulmonary vascular resistance produces acute cor pulmonale. From an echocardiographic point of view, may be defined as the combination of a ...
Neckár J - - 2003
The effect of chronic hypercapnia on cardioprotection induced by chronic hypoxia was investigated in adult male Wistar rats exposed to isobaric hypoxia (10 % O(2)) for three weeks. In the first experimental group, CO(2) in the chamber was fully absorbed; in the second group, its level was increased to 4.1 ...
Conraads Viviane M - - 2002
Chronic heart failure is no longer a mere cardiac entity, but involves several, initially adaptive and later detrimental, neurohumoral compensatory mechanisms. Peripheral manifestations of the disease, such as endothelial dysfunction, skeletal muscle changes, and disturbances in ventilatory control, are major determinants of symptoms. The independent prognostic value and the relevance ...
Doehner Wolfram - - 2002
Cachexia has been known to physicians since ancient Greek times as a 'signum mali ominis' in various diseases indicating end stage disease and poor quality of life. Cardiac cachexia is recently receiving growing attention as modern treatment options prevent early death from cardiac events and more patients live with chronic ...
Huang Jian - - 2002
OBJECTIVES: The goal of this study was to evaluate the effects of acute and chronic amiodarone on activation patterns during ventricular fibrillation (VF), ventricular effective refractory period (VERP) and defibrillation threshold (DFT). BACKGROUND: Acute and chronic amiodarone may act through different mechanisms. METHODS: The VERP, VF activation patterns and DFT ...
Macmillan C S A - - 2002
Cardiac injury and pulmonary oedema occurring after acute neurological injury have been recognised for more than a century. Catecholamines, released in massive quantities due to hypothalamic stress from subarachnoid haemorrhage (SAH), result in specific myocardial lesions and hydrostatic pressure injury to the pulmonary capillaries causing neurogenic pulmonary oedema (NPO). The ...
Garzón E A - - 2002
We have analysed by multilocus enzyme electrophoresis (MLEE) at 21 genetic loci 10 Trypanosoma cruzi stocks isolated from chronic chagasic patients and 3 stocks isolated from Triatoma dimidiata collected in human habitats from the coastal part of Ecuador (all stocks isolated in August-December 1998). Isoenzyme profiles were compared to those ...
Patterson-Kane Janet C - - 2002
A 5-month-old male Thoroughbred foal with a history of chronic septic arthritis of the tibiotarsal joint and recent respiratory distress was euthanized and a postmortem examination performed. A giant diverticulum communicating with the lateral aspect of the right atrial cavity of the heart was observed. Histologically, the wall was comprised ...
Hellmann David B DB Johns Hopkins University School of Medicine, Department of Medicine, Johns Hopkins Bayview Medical Center, 4940 Eastern Ave, Baltimore, MD 21224, USA. - - 2002
Temporal arteritis, the most common form of systemic vasculitis in adults, is a panarteritis that chiefly involves the extracranial branches of the carotid artery. The condition is illustrated in this article by the case of a 79-year-old woman with a dry cough, toothache, tongue infarction, and vision loss. The mean ...
Sjögren Bengt - - 2002
After exposure to decomposed chlorodifluoromethane (freon-22), a 65-year-old man developed respiratory symptoms such as cough, blood-stained sputum, and increasing dyspnea. Three weeks later, his family doctor diagnosed infectious bronchitis. Another week later he died due to myocardial infarction. The discussion focuses on an inflammatory process caused by the inhalation of ...
Su Jin - - 2002
OBJECTIVE: To investigate the value of portable fibrobronchoscope in the management of respiratory failure by endotracheal intubation through the nose. METHODS: Fifty-eight patients with acute or chronic respiratory failure received mechanical ventilation by endotracheal intubation through the nose under the guidance of portable fibrobronchoscope. RESULTS: Intubation was successfully performed in ...
Epstein S K - - 2002
The need for reintubation within 24-72 h of planned extubation is a common event, occurring in 2-25% of extubated patients. Risk factors for extubation failure include being a medical, multidisciplinary or paediatric patient; age >70 years; a longer duration of mechanical ventilation; use of continuous intravenous sedation; and anaemia (haemoglobin ...
Portman Michael A - - 2002
1. The present review focuses on the adenine nucleotide translocator (ANT), which facilitates exchange of cytosolic ADP for mitochondrial ATP. This protein serves a central role in regulating cellular oxidative capacity. 2. The ANT, a nuclear-encoded mitochondrial protein, is developmentally regulated and, thus, accumulates within the mitochondrial membrane during maturation. ...
Guazzi M - - 2002
AIMS: Lung dysfunction occurring in chronic heart failure worsens clinical status and exercise performance. The prognostic value of airway and alveolar function measurements in chronic heart failure has not been explored. We aimed to evaluate the prognostic value of lung function tests in a population of patients with stable chronic ...
Pierson David J - - 2002
Increased understanding of the mechanisms and effects of acute respiratory failure has not been accompanied by more precise criteria by which the clinician can determine when intubation should be carried out and invasive positive-pressure ventilation (IPPV) instituted in a given patient. The indications traditionally offered in reviews and textbooks have ...
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