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Killick C J - - 2008
This study investigated the accuracy of a new technique for measuring cardiac output using the derivative Fick principle based on the ratio of change in the partial pressures of end-tidal and mixed expired carbon dioxide produced by short periods of partial rebreathing. A prospective clinical study involving 24 patients following ...
Moezi Leila - - 2008
Cirrhosis is associated with marked cardiovascular disturbances. These include hyperdynamic circulation characterized by reduced peripheral vascular resistance and mean arterial pressure and increased cardiac output. Despite the baseline increase in cardiac output, ventricular responsiveness to stimuli is blunted. A number of cellular signaling pathways have been shown to contribute to ...
Chin Alvin J - - 2009
Although survivors of Fontan palliation for a single ventricle are known to have lower cardiac index than patients with two-ventricle surgical reconstructions, it is unclear whether two frequently observed sequelae, short stature and protein-losing enteropathy (PLE), have hemodynamic origins. A serum marker that reflects hemodynamic status would be a tremendous ...
Casamián-Sorrosal D - - 2008
The authors report a case of septic pericardial effusion resulting in cardiac tamponade associated with intrathoracic botryomycosis in a dog. Septic pericarditis and a pulmonary mass were diagnosed, and subtotal pericardiectomy and lobectomy of the affected pulmonary areas were carried out. Histopathology of the excised tissue showed changes supportive of ...
Shaw Steven M - - 2008
Left ventricular torsion is a measurement derived from the twisting or wringing motion of the heart around its long axis. The calculation is made by measuring the magnitude of rotation at the apex of the heart, and subtracting the rotation at the base. Although the phenomenon of left ventricular twisting ...
Park M - - 2008
We evaluated the recovery of cardiovascular function after transient cardiogenic shock. Cardiac tamponade was performed for 1 h and post-shock data were collected in 5 domestic large white female pigs (43 +/- 5 kg) for 6 h. The control group (N = 5) was observed for 6 h after 1 ...
Mellert F - - 2008
BACKGROUND: Optimizing atrioventricular (AV) delay improves cardiac output and postoperative outcome. Impedance cardiography (ICG) is a non-invasive method for CO measurement. This study evaluates the ability of two ICG methods to determine the optimal AV delay (OAVD) and to compare ICG with invasive PICCO measurements. METHODS: In 14 cardiosurgical ICU ...
Tugcu Aylin - - 2008
A 77-year-old male patient was admitted to our institution with 1-year history of progressive dyspnea on exertion, and lower extremity edema. His chest x-ray showed a circumferential pericardial calcification and right-sided pleural effusion. The electrocardiography revealed atrial fibrillation with low voltage in all derivations and diffuse nonspecific T-wave inversions. The ...
Sevimli Serdar - - 2008
Although pericardiocentesis is a more practical and comfortable alternative to surgical drainage in patients with pericardial tamponade, it may sometimes be associated with transient ventricular dysfunction due to rapid drainage of the fluid. We presented a 42-year-old female patient who developed left ventricular systolic dysfunction and thrombus concomitant with segmental ...
Zafruddin Mohammed - - 2008
Introduction: Cardiac output determination is frequently used during liver transplantation (LTX). While thermodilution cardiac output (TDCO) remains the gold standard, alternative measurement techniques have been developed, including arterial pulse contour based cardiac output (APCO) estimation. APCO has been validated in other patient care areas such as cardiac surgery (1), but ...
Morgan Patrick - - 2008
PURPOSE OF REVIEW: The measurement of cardiac output in the critically ill constitutes a vital part in the management of these patients. Minimally invasive techniques are gaining popularity as they allow continuous cardiac output monitoring while avoiding the risks associated with pulmonary artery catheterization. This article focuses on some of ...
Marabotti Claudio - - 2009
To evaluate the separate cardiovascular response to body immersion and increased environmental pressure during diving, 12 healthy male subjects (mean age 35.2 +/- 6.5 yr) underwent two-dimensional Doppler echocardiography in five different conditions: out of water (basal); head-out immersion while breathing (condition A); fully immersed at the surface while breathing ...
Li Jia - - 2008
BACKGROUND: The comprehensive Aristotle score has been proposed as an individualized measure of the complexity of a given surgical procedure and has been reported to significantly correlate with postoperative morbidity and mortality after the Norwood procedure. An important factor leading to postoperative morbidity and mortality is low cardiac output. We ...
De Marco Federico - - 2008
Coronary artery perforation is a rare complication of percutaneous coronary intervention, but can result in cardiac tamponade and is thus potentially life-threatening. It is well recognized that the use of hydrophilic wires during interventional procedures increases the risk of coronary perforation. We report two cases in which a particular looping ...
Meyer Sascha - - 2008
Cardiac output is considered an important parameter when assessing the cardiovascular status of a critically ill patient. Both non-invasive (e.g. bioimpedance, echocardiography) and invasive methods (Swan Ganz catheter) have been used to measure cardiac output. The ultrasonic cardiac output monitoring device provides a new method of non-invasively assessing cardiac output ...
Knirsch Walter - - 2008
OBJECTIVE: To compare the assessment of cardiac output (CO) in children using the noninvasive Ultrasound Cardiac Output Monitor (USCOM) with the invasive pulmonary artery catheter (PAC) thermodilution cardiac output measurement. DESIGN AND SETTING: Prospective observational study in a tertiary center for pediatric cardiology of a university children's hospital. PATIENTS: Twenty-four ...
Bilku Rajinder S - - 2008
Cardiac tamponade is a well-recognized early complication (ie, within 15 days) of cardiac surgery usually a result of the development of a pericardial effusion postoperatively. However, left ventricular diastolic collapse as a result of the presence of a large pleural effusion, but in the absence of any pericardial effusion, is ...
Wann Samuel - - 2008
Since its introduction into clinical cardiology in the 1960's, echocardiography has become an essential and integral part of the evaluation of the cardiac patient. Dr. Harvey Feigenbaum had a seminal role in popularizing echocardiography. Detection of pericardial effusion was one of the first applications of echocardiography to gain widespread acceptance. ...
Ramazzotti Anna - - 2008
Studies of the standardized, 3D, 16-segments map of the circumferential distribution of T2* values, of cardiovascular magnetic resonance (CMR) in thalassemia major (TM) and thalassemia intermedia (TI) patients and of electrocardiogram (ECG) changes associated with TM, have been carried out. Similarly, the segment-dependent correction map of the T2* values and ...
Yang Ming-Hsin - - 2008
A 22-year-old man presented at our emergency department with clinical signs of cardiac tamponade that required emergency surgery. We treated this patient by using emergency echocardiographically guided pericardiocentesis with insertion of a central venous catheter for drainage without removal of the steel bar. The causes of his pericardial effusion appeared ...
Vincent Jean-Louis - - 2008
Cardiac output is the amount of blood the heart pumps in 1 minute, and it is dependent on the heart rate, contractility, preload, and afterload. Understanding of the applicability and practical relevance of each of these four components is important when interpreting cardiac output values. In the present article, we ...
Balmain S - - 2008
BACKGROUND: Pericardial effusions frequently present challenging clinical dilemmas. Whether or not to drain an effusion, and if so by what method, are two common decisions facing cardiologists. We performed a survey to evaluate pericardiocentesis practice in the United Kingdom (UK). METHODS: A total of 640 questionnaires were sent to all ...
Tingle Leslie E - - 2007
Although acute pericarditis is most often associated with viral infection, it may also be caused by many diseases, drugs, invasive cardiothoracic procedures, and chest trauma. Diagnosing acute pericarditis is often a process of exclusion. A history of abrupt-onset chest pain, the presence of a pericardial friction rub, and changes on ...
Missant C - - 2008
BACKGROUND AND OBJECTIVE: During off-pump coronary bypass grafting, surgical manipulation and dislocation of the heart may cause cardiovascular instability. Monitoring of cardiac output facilitates intraoperative haemodynamic management but pulmonary artery catheters are often considered too invasive. Pulse contour analysis and transoesophageal echocardiography could serve as alternatives, but there is controversy ...
Blei Andres T - - 2007
The cardiac hemodynamics of patients awaiting liver transplantation is complex. Coronary atherosclerosis, a hyperdynamic circulatory state and cirrhotic cardiomyopathy are present to a variable degree in this population. In this contribution to the Symposium on Portal Hypertension, we expand on our published experience with coronary angiography and cardiac hemodynamics at ...
Ikematsu Yuko - - 2007
BACKGROUND: The signs and symptoms associated with cardiac tamponade are often nonspecific. Dysphoria associated with cardiac tamponade has been understudied. An understanding of the behavioral traits associated with dysphoria and cardiac tamponade may contribute to early detection. OBJECTIVES: The behavioral traits of dysphoric patients with cardiac tamponade are described. METHODS: ...
Bellin Daniel A - - 2007
Diagnosing the underlying etiology of dyspnea on exertion in adults can be challenging, often requiring the clinician to distinguish cardiac or pulmonary pathological conditions from metabolic, neurological, or hematological conditions or from chest wall abnormalities. We report such a case involving a 29-year-old, male, active duty Army soldier. With a ...
Culp William C WC - - 2007
BACKGROUND: In this pilot study, we attempted to validate three-dimensional transesophageal echocardiography (3DTEE) cardiac output and assess its feasibility intraoperatively. METHODS: Twenty patients undergoing cardiac surgery underwent simultaneous cardiac output determinations during the clinically stable prebypass period by 3DTEE and thermodilution. RESULTS: The correlation coefficient between cardiac output measured by ...
Basile Carlo - - 2008
BACKGROUND: Satisfactory haemodialysis (HD) vascular access flow (Qa) is necessary for dialysis adequacy. High Qa is postulated to increase cardiac output (CO) and cause high-output cardiac failure. Aim of the present prospective study was to evaluate the relationship between Qa of arteriovenous fistulas (AVFs) and CO in order to have ...
Mekis D - - 2008
BACKGROUND AND OBJECTIVE: The purpose was to study the agreement between cardiac output measurements with electrical velocimetry vs. intermittent thermodilution before and after coronary artery bypass graft surgery. METHODS: Cardiac output was measured simultaneously with electrical velocimetry and intermittent thermodilution before and immediately after coronary artery bypass graft surgery, and ...
Betrián Blasco Pedro - - 2009
Constrictive pericarditis has been defined classically as a progressive condition, characterized by pericardial fibrosis, with or without calcification, which results in chronic refractory congestive heart failure and for witch pericardiectomy is often required. In the last decades there have been reports describing a transient form of constrictive pericarditis, which resolves ...
Parra V - - 2008
BACKGROUND AND OBJECTIVE: Intraoperative Doppler ultrasound can be used to measure cardiac output by transoesophageal echocardiography. Recently, its reliability, when compared to the thermodilution technique, has been questioned. The purpose of this study was to compare intraoperative changes in cardiac output measured by echo-Doppler and by thermodilution in cardiac surgery. ...
de Waal Eric E C - - 2007
OBJECTIVE: To evaluate the accuracy and precision of an arterial pulse contour-based continuous cardiac output device (Vigileo). Vigileo cardiac output (VigileoCO) was compared with intermittent transpulmonary thermodilution cardiac output (TPCO) and an established arterial pulse contour-based cardiac output (PCCO). DESIGN: Prospective clinical study. SETTING: University hospital. PATIENTS: Twenty-two patients undergoing ...
Möllmann H - - 2007
We present a 45-year-old patient who had to undergo aortocoronary bypass surgery after acute posterior myocardial infarction. On day twelve, the patient suddenly developed the classic signs of cardiogenic shock including angina, tachycardia, and hypotension. ECG displayed significant ST-elevations and troponin T was positive. Echocardiography suspected relevant pericardial effusion. However, ...
Button D - - 2007
BACKGROUND: Assessment of cardiac output (CO) by the FloTrac/Vigileo system may offer a less invasive means of determining the CO than either the pulmonary artery catheter (PAC) or the PiCCOplus system. The aim of this study was to compare CO measurements made using the FloTrac/Vigileo system with upgraded software (FCO, ...
Palomba H - - 2007
Acute kidney injury (AKI) following cardiac surgery (AKICS) is associated with increased postoperative (post-op) morbidity and mortality. A prognostic score system for AKI would help anticipate patient (pt) treatment. To develop a predictive score (AKICS) for AKI following cardiac surgery, we used a broad definition of AKI, which included perioperative ...
Yamano Tetsuhiro - - 2007
We report on a postoperative patient with cardiac tamponade caused by posteriorly localized pericardial effusion. In this case, transthoracic echocardiography only suggested mild left atrial compression. However, transesophageal echocardiography demonstrated significant collapse of the left atrial appendage that completely disappeared after pericardial drainage. The left atrial appendage collapse should be ...
Hoole Stephen P - - 2008
AIMS: Heart transplant assessment includes cardiac output calculation by right heart catheterisation. Real-time 3D echocardiography (RT-3DE), unlike 2D echocardiography, can measure stroke volume without inaccurate geometrical assumptions. The purpose of this study was to assess the feasibility and accuracy of non-invasive RT-3DE cardiac output calculation. METHODS AND RESULTS: Forty consecutive ...
Shaw Scott P - - 2007
Most cases of pericardial effusion can be diagnosed with a thorough physical examination. Physical examination findings may include muffled heart sounds, pulsus paradoxus, and jugular venous distention. Radiographs may show a globoid cardiac silhouette. Echocardiography is reliable in diagnosing pericardial effusion. Pericardiocentesis is indicated for the emergency treatment of pericardial ...
Cecconi Maurizio - - 2007
Acute Heart Failure is a major cause of hospitalisation, with a rate of death and complications. New guidelines have been developed in order to diagnose and treat this disease. Despite these efforts pathophysiology and treatments options are still limited. There is agreement among the experts that increasing the cardiac output ...
Lo Hsiang-Yun - - 2007
BACKGROUND: Dyspnea is one of the most common emergency department (ED) symptoms, but early diagnosis and treatment are challenging because of multiple potential causes. Hemodynamic parameters may aid in the evaluation of dyspnea, but are difficult to assess. Impedance cardiography is a noninvasive hemodynamic measurement method that may assist in ...
Forauer Andrew R - - 2007
Cardiac (pericardial) tamponade occurs when the pressure of the fluid within the pericardial sac is high enough to impair the venous return to the heart. Cardiac tamponade can occur during central venous catheter placements. Nursing members of a central vascular catheter placement team benefit from quickly recognizing this clinical situation ...
Heaf James G - - 2007
A historical review of the origins of body surface area (BSA) determination reveals a number of theoretical and methodological errors, as does the choice of 1 x 73 m(2) as the normal BSA for humans. BSA normalization is justifiable for some physiological variables, e.g. glomerular filtration rate and cardiac output, ...
Little Amy A - - 2007
A 16-month-old, female German shepherd dog was presented with severe bicavitary effusions. A diaphragmatic hernia was diagnosed by thoracic radiography. An echocardiogram performed prior to surgical repair of the hernia revealed signs of cardiac tamponade, with right atrial collapse, in the absence of pericardial effusion. Right atrial collapse was presumed ...
Aessopos Athanasios - - 2007
Heart disease is the leading cause of mortality and one of the main causes of morbidity in beta-thalassemia. The clinical spectrum of the thalassemia syndrome ranges from the severe, transfusion--dependent thalassemia major and the asymptomatic carrier state. Thalassemia intermedia represents a milder form and is usually transfusion-independent. Two main factors ...
Kubitz J C - - 2007
BACKGROUND: Left ventricular stroke volume variation (SVV) or its surrogates are useful tools to assess fluid responsiveness in mechanically ventilated patients. So far it is unknown, how changes in cardiac afterload affect SVV. Therefore, this study compared left ventricular SVV derived by pulse contour analysis with SVV measured using an ...
Guntheroth Warren G - - 2007
A 2006 meta-analysis concluded that thoracic surgery for pectus excavatum (PE) significantly improves cardiovascular function. However, that analysis was flawed by a high level of heterogeneity in the outcomes and inappropriate methods in 5 of the 8 publications analyzed. Therefore, a search of the published research from 1965 to the ...
Mendoza Dorinna D - - 2007
BACKGROUND: Cardiac power output (CPO) is a novel hemodynamic measurement that represents cardiac pumping ability. The prognostic value of CPO in a broad spectrum of patients with acute cardiac disease undergoing pulmonary artery catheterization (PAC) has not been examined. METHODS: Consecutive patients with a primary cardiac diagnosis who were undergoing ...
Herbert Beate M - - 2007
This study examined the relationship between interoceptive sensitivity and the behavioral self-regulation of physical load. According to their performance in a heartbeat detection task, 34 participants were classified as good or poor heartbeat perceivers. Participants pedaled on a bicycle ergometer for 15 min and were free to choose the tempo ...
Blais Danielle M - - 2007
Management of patients with low cardiac output syndromes is difficult. Current therapies (ie, inotropes) have associated adverse effects and have not been shown to impact clinical outcomes such as decreased mortality or length of stay. Patients unable to recover from low cardiac output states have end organ damage, increased lengths ...
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