Books on the topic 'Aortic tissue'
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1
Webster, Ellis Lorenzo. Analysis of tissue inhibitor of metalloproteases (TIMP) as the unifying entity in the etiology of abdominal aortic aneurysms. [S.l: s.n.], 1991.
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2
Enrique, Criado, and SpringerLink (Online service), eds. Aortic Aneurysms: Pathogenesis and Treatment. Totowa, NJ: Humana Press, 2009.
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3
Morsi, Yos S. Tissue Engineering of the Aortic Heart Valve: Fundamentals and Developments. Nova Science Publishers, Incorporated, 2012.
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4
Basso, Cristina, Gaetano Thiene, and Siew Yen Ho. Heart valve disease (aortic valve disease): anatomy and pathology of the aortic valve. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0031.
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The gross features of the aortic valve apparatus, consisting of three semilunar leaflets, three interleaflet triangles, three commissures, and the aortic wall, are discussed both in terms of normal and pathological anatomy. The concept of aortic annulus and the relationship of the aortic valve with the coronary arteries, the membranous septum, and conduction system and the mitral valve are addressed. When dealing with pathology, the chapter focuses on the main distinctive features of aortic valve stenosis and aortic valve incompetence. Regarding the former, the abnormalities reside in the cusps, either two or three in number, with cusp thickening, and calcification with or without commissural fusion (thus distinguishing senile and chronic rheumatic valve disease); in the latter, the gross changes can affect either the cusps (infective endocarditis with tissue perforation/laceration and rheumatic valve disease with tissue retraction) or the aortic wall (ascending aorta aneurysm either inflammatory or degenerative). The distinctive gross abnormalities in the various conditions are illustrated.
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Tribouilloy, Christophe, Patrizio Lancellotti, Ferande Peters, José Juan Gómez de Diego, and Luc A. Pierard. Heart valve disease (aortic valve disease): aortic regurgitation. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0033.
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Echocardiography is the cornerstone examination for the assessment of aortic regurgitation (AR): it provides reliable evaluation of the aortic valve and allows diagnosis and identification of the mechanism of regurgitation. The specific aetiology of the disease can be identified in the majority of cases. A combination of quantitative and quantitative Doppler and two-dimensional (2D) echocardiographic parameters allows the evaluation of the severity of AR and determination of the haemodynamic and left ventricular function repercussions. Echocardiography allows the detection of associated lesions of the aortic root or other valves. In symptomatic patients, echocardiography is essential to confirm the severity of AR. In asymptomatic patients with moderate or severe AR, echocardiography is essential for regular follow-up, by providing precise and reproducible measurements of LV dimensions and function, and for identifying patients who should be considered for elective surgical intervention. In most cases, transthoracic echocardiography (TTE) provides all of the necessary information and transoesophageal echocardiography in usually not required. Real-time three-dimensional (3D) TTE can be complementary to 2D echocardiography for the assessment of the mechanism and quantification of AR by increasing the level of confidence, especially when 2D echocardiographic data are inconclusive or discordant with clinical findings. Tissue Doppler imaging and especially the speckle tracking method are promising approaches to detect early LV dysfunction in patients with asymptomatic severe AR. Echocardiography is therefore the key examination for the assessment of AR and at the centre of the strategic discussion concerning the indications and timing of surgery.
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Prapa, Matina, and S. Yen Ho. Arterial wall remodelling in congenital heart disease. Edited by José Maria Pérez-Pomares, Robert G. Kelly, Maurice van den Hoff, José Luis de la Pompa, David Sedmera, Cristina Basso, and Deborah Henderson. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198757269.003.0024.
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The thoracic aorta is the second most common site of aneurysm formation after the abdominal aorta. Thoracic aortic aneurysms (TAAs) often result from medial wall degeneration secondary to genetic aberrations. Over recent decades, unprecedented research in the field of connective tissue disease has led to identification of key molecular pathways involved in TAA formation. Prolonged survival of congenital heart disease patients following successful reparative surgery has also led to increased incidence of TAA in this context with extensive investigations of underlying mechanisms. This chapter summarizes breakthrough discoveries in congenital arterial wall remodelling and discusses their potential clinical applications.
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Lancellotti, Patrizio, and Bernard Cosyns. Assessment of Diastolic Function. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198713623.003.0005.
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Diastole is the part of the cardiac cycle starting at aortic valve closure and ending at mitral valve closure. Evaluation of diastolic function by echocardiography is useful to diagnose heart failure with preserved ejection fraction, and regardless of ejection fraction, echocardiography can be used to estimate left ventricular filling pressure. Assessment of diastolic function includes analysis of left ventricular relaxation and compliance, left atrial and left ventricular filling pressures. This chapter describes the phases of diastole and covers the integrated approach of LV diastolic function through M-Mode and 2D/3D echocardiography, pulsed-wave Doppler echocardiography, and pulsed-wave tissue Doppler echocardiography.
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Reich, David L., Stephan A. Mayer, and Suzan Uysal, eds. Neuroprotection in Critical Care and Perioperative Medicine. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190280253.001.0001.
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Clinicians caring for patients are challenged by the task of protecting the brain and spinal cord in high-risk situations. These include following cardiac arrest, in critical care settings, and during complex procedural and surgical care. This book provides a comprehensive overview of various types of neural injury commonly encountered in critical care and perioperative contexts and the neuroprotective strategies used to optimize clinical outcomes. In addition to introductory chapters on the physiologic modulators of neural injury and pharmacologic neuroprotectants, the topics covered include: imaging assessment; tissue biomarker identification; monitoring; assessment of functional outcomes and postoperative cognitive decline; traumatic brain injury; cardiac arrest and heart-related issues such as valvular and coronary artery bypass surgery, aortic surgery and stenting, and vascular and endovascular surgery; stroke; intracerebral hemorrhage; mechanical circulatory support; sepsis and acute respiratory distress syndrome; neonatal issues; spinal cord injury and spinal surgery; and issues related to general, orthopedic, peripheral vascular, and ear, nose and throat surgeries.
9
Schwitter, Juerg, and Jens Bremerich. Cardiac magnetic resonance in the intensive and cardiac care unit. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199687039.003.0023.
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Current applications of cardiac magnetic resonance offer a wide spectrum of indications in the setting of acute cardiac care. In particular, cardiac magnetic resonance is helpful for the differential diagnosis of chest pain by the detection of ischaemia, myocardial stunning, myocarditis, and pericarditis. Also, Takotsubo cardiomyopathy and acute aortic diseases can be evaluated by cardiac magnetic resonance and are important differential diagnoses in patients with acute chest pain. In patients with restricted windows for echocardiography, according to guidelines, cardiac magnetic resonance is the method of choice to evaluate complications of an acute myocardial infarction. In an acute myocardial infarction, cardiac magnetic resonance allows for a unique characterization of myocardial damage by quantifying necrosis, microvascular obstruction, oedema (i.e. area at risk), and haemorrhage. These features will help us to understand better the pathophysiological events during infarction and will also allow us to assess new treatment strategies in acute myocardial infarction. To which extent the information on tissue damage will guide patient management is not yet clear, and further research, e.g. in the setting of the European Cardiovascular MR registry, is ongoing to address this issue. Recent studies also demonstrated the possiblity to reduce costs in the management of acute coronary syndromes when cardiac magnetic resonance is integrated into the routine work-up. In the near future, applications of cardiac magnetic resonance will continue to expand in the acute cardiac care units, as manufacturers are now strongly focusing on this aspect of user-friendliness. Finally, in the next decade or so, magnetic resonance imaging of other nuclei, such as fluorine and carbon, might become a reality in clinics, which would allow for metabolic and targeted molecular imaging with excellent sensitivity and specificity.
10
Schwitter, Juerg, and Jens Bremerich. Cardiac magnetic resonance in the intensive and cardiac care unit. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199687039.003.0023_update_001.
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Current applications of cardiac magnetic resonance offer a wide spectrum of indications in the setting of acute cardiac care. In particular, cardiac magnetic resonance is helpful for the differential diagnosis of chest pain by the detection of ischaemia, myocardial stunning, myocarditis, and pericarditis. Also, Takotsubo cardiomyopathy and acute aortic diseases can be evaluated by cardiac magnetic resonance and are important differential diagnoses in patients with acute chest pain. In patients with restricted windows for echocardiography, according to guidelines, cardiac magnetic resonance is the method of choice to evaluate complications of an acute myocardial infarction. In an acute myocardial infarction, cardiac magnetic resonance allows for a unique characterization of myocardial damage by quantifying necrosis, microvascular obstruction, oedema (i.e. area at risk), and haemorrhage. These features will help us to understand better the pathophysiological events during infarction and will also allow us to assess new treatment strategies in acute myocardial infarction. To which extent the information on tissue damage will guide patient management is not yet clear, and further research, e.g. in the setting of the European Cardiovascular MR registry, is ongoing to address this issue. Recent studies also demonstrated the possiblity to reduce costs in the management of acute coronary syndromes when cardiac magnetic resonance is integrated into the routine work-up. In the near future, applications of cardiac magnetic resonance will continue to expand in the acute cardiac care units, as manufacturers are now strongly focusing on this aspect of user-friendliness. Finally, in the next decade or so, magnetic resonance imaging of other nuclei, such as fluorine and carbon, might become a reality in clinics, which would allow for metabolic and targeted molecular imaging with excellent sensitivity and specificity.
11
Schwitter, Juerg, and Jens Bremerich. Cardiac magnetic resonance in the intensive and cardiac care unit. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199687039.003.0023_update_002.
Full textAbstract:
Current applications of cardiac magnetic resonance offer a wide spectrum of indications in the setting of acute cardiac care. In particular, cardiac magnetic resonance is helpful for the differential diagnosis of chest pain by the detection of ischaemia, myocardial stunning, myocarditis, and pericarditis. Also, Takotsubo cardiomyopathy and acute aortic diseases can be evaluated by cardiac magnetic resonance and are important differential diagnoses in patients with acute chest pain. In patients with restricted windows for echocardiography, according to guidelines, cardiac magnetic resonance is the method of choice to evaluate complications of an acute myocardial infarction. In an acute myocardial infarction, cardiac magnetic resonance allows for a unique characterization of myocardial damage by quantifying necrosis, microvascular obstruction, oedema (i.e. area at risk), and haemorrhage. These features will help us to understand better the pathophysiological events during infarction and will also allow us to assess new treatment strategies in acute myocardial infarction. To which extent the information on tissue damage will guide patient management is not yet clear, and further research, e.g. in the setting of the European Cardiovascular MR registry, is ongoing to address this issue. Recent studies also demonstrated the possiblity to reduce costs in the management of acute coronary syndromes when cardiac magnetic resonance is integrated into the routine work-up. In the near future, applications of cardiac magnetic resonance will continue to expand in the acute cardiac care units, as manufacturers are now strongly focusing on this aspect of user-friendliness. Finally, in the next decade or so, magnetic resonance imaging of other nuclei, such as fluorine and carbon, might become a reality in clinics, which would allow for metabolic and targeted molecular imaging with excellent sensitivity and specificity.
12
Yaqoob, Muhammad M., Katherine Bennett-Richards, and Islam Junaid. Retroperitoneal fibrosis. Edited by Adrian Woolf. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0357.
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Retroperitoneal fibrosis (RPF) is a rare but multifaceted disease which encompasses a range of conditions characterized by the presence of a fibro-inflammatory tissue, which usually surrounds the abdominal aorta, iliac arteries, and extends into the retroperitoneum to entrap ureters with resultant unilateral or bilateral obstruction, usually at the junction between the middle and lower thirds of the ureter. The condition is progressive: initially, the fibrous tissue is fairly cellular, later becoming relatively acellular. The mechanism by which obstruction occurs is probably due to loss of peristalsis. A histological diagnosis should be obtained if at all possible, and laparotomy is required in order to obtain a sufficiently large sample to differentiate between idiopathic and secondary causes of RPF. Treatment of idiopathic RPF is by corticosteroids in the first instance with ureteric stents or ureterolysis initially and requires regular monitoring.
13
Burton, Derek, and Margaret Burton. Transport: blood and circulation. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198785552.003.0005.
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The blood system transports nutrients, oxygen, carbon dioxide and nitrogenous wastes; other functions include defence. Fish have a closed, single circulation in which blood is pumped by a contractile heart via a ventral aorta to the gills, then via the dorsal aorta to vessels supplying the tissues and organs, with a venous return to the heart. Large venous sinuses occur in elasmobranchs. Air-breathing fish have modifications of the circulation. Complex networks of narrow blood vessels can occur as red patches, retia, maximizing transfer of nutrients, oxygen or heat. Most fish have nucleated red blood cells (erythrocytes) with haemoglobin. The types of white blood cells (leucocytes) are similar to those of other vertebrates but there are thrombocytes rather than platelets. Nutrient transport is in the plasma, the fluid component of the blood, which may also carry antifreeze agents and molecules (e.g. urea in elasmobranchs) which counteract deleterious osmotic effects
14
Chiem, Alan, and Vi Am Dinh, eds. Emergency and Clinical Ultrasound Board Review. Oxford University PressNew York, 2020. http://dx.doi.org/10.1093/med/9780190696825.001.0001.
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Abstract Emergency and Clinical Ultrasound Board Review is a comprehensive guide for preparing for the Advanced Emergency Medicine Ultrasonography or Critical Care Echocardiography board exams, and for residents preparing for in-training examinations in ultrasound. The text consists of over 500 multiple-choice questions, organized into 18 chapters covering ultrasound topics such as physics, eFAST, echocardiography, thoracic, aorta, hepatobiliary, renal, pregnancy, soft tissue, ocular, procedural, airway, ENT, DVT, testicular, abdominal, and musculoskeletal applications. This is a multi-specialty work, with contributors representing the fields of emergency medicine, internal medicine, cardiology, critical care, and radiology. Chapters include questions, answers with detailed explanations and references to primary or landmark articles to help better navigate a standardized exam. Questions are written in a case-based format that emulates the ABEM and NBE board exams, and are supplemented by over 800 figures, tables, boxes, and online videos.
15
Herrington, William G., Aron Chakera, and Christopher A. O’Callaghan. Renal vascular disease. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0171.
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Renal vascular disease typically occurs with progressive narrowing of the main renal artery or smaller arterial vessels. Often, both patterns of disease coexist and result in ‘ischaemic nephropathy’ with damage to renal tissue. Much less commonly, inflammatory vasculitis can affect small or medium vessels. Ninety per cent of renal vascular disease is caused by atherosclerosis. Patients with renal vascular disease have an increased risk of cardiovascular death from associated cerebrovascular and coronary heart disease. Less than 10% of renal vascular disease is caused by fibromuscular dysplasia. The cause is unknown, but smoking is a risk factor. The disease is often bilateral and multifocal. It tends to affect the mid-portion of the renal artery, while atherosclerosis tends to occur at points of stress, especially at the junction of renal arteries with the aorta. This chapter reviews the diagnosis and management of renal vascular disease.
16
Covic, Adrian, Mugurel Apetrii, Luminita Voroneanu, and David J. Goldsmith. Vascular calcification. Edited by David J. Goldsmith. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199592548.003.0120_update_001.
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Vascular calcification (VC) is a common feature of patients with advanced CKD and it could be, at least in part, the cause of increased cardiovascular mortality in these patients. From a morphologic point of view, there are at least two types of pathologic calcium phosphate deposition in the arterial wall—namely, intima calcification (mostly associated with atherosclerotic plaques) and media calcification (associated with stiffening of the vasculature, resulting in significantly adverse cardiovascular outcomes). Although VC was viewed initially as a passive phenomenon, it appears to be a cell-mediated, dynamic, and actively regulated process that closely resembles the formation of normal bone tissue, as discovered recently. VC seems to be the result of the dysregulation of the equilibrium between promoters and inhibitors. The determinants are mostly represented by altered calcium and phosphorus metabolism, secondary hyperparathyroidism, vitamin D excess, high fibroblast growth factor 23, and high levels of indoxyl sulphate or leptin; meanwhile, the inhibitors are vitamin K, fetuin A, matrix G1a protein, osteoprotegerin, and pyrophosphate. A number of non-invasive imaging techniques are available to investigate cardiac and vascular calcification: plain X-rays, to identify macroscopic calcifications of the aorta and peripheral arteries; two-dimensional ultrasound for investigating the calcification of carotid arteries, femoral arteries, and aorta; echocardiography, for assessment of valvular calcification; and, of course, computed tomography technologies, which constitute the gold standard for quantification of coronary artery and aorta calcification. All these methods have a series of advantages and limitations. The treatment/ prevention of VC is currently mostly around calcium-mineral bone disease interventions, and unproven. There are interesting hypotheses around vitamin K, Magnesium, sodium thiosulphate and other potential agents.