Cardiology
Bi-Phasic Implantable Cardioverter-Defilbrillator Therapy
Early Access to Defibrillation for Sudden Cardiac Arrest
Functional Angiometry--Coronary Artery Functional
Assessment
Using Doppler
Ultrasound
Rotational Ablation in Coronary Artery Disease
Transmyocardial Revascularization (TMR) in
theManagement
of Angina
Women and Coronary Artery Disease
Bi-Phasic Implantable Cardioverter-Defilbrillator Therapy
Sudden cardiac death is a silent epidemic in the United States, taking the majority of the 350,000 lives it affects annually. The condition that generally underlies this traumatic event--ventricular fibrillation--has continued to challenge the medical community. Drug therapy has proven to be of only limited effectiveness, but also costly in terms of patient intolerance of side effects and of the significant cost of frequently required rehospitalizations. These problems have increasingly illuminated the value of implantable defibrillators, particularly biphasic defibrillators that have largely overcome the significant limitations of earlier "shock boxes".
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Article
Burnett, K. Advances in Medical Electronics-The
ICD. Engineering Horizons. 1991: 43.
Early Access to Defibrillation for Sudden Cardiac Arrest
Sudden cardiac arrest (SCA) takes the lives of more than 350,000 Americans each year. Defibrillation administered within minutes of SCA is generally the only successful method of preventing a fatal outcome. A new generation of automatic external defibrillators (AEDs), with enhanced ease of use and maintenance, can now be deployed among a wider range of emergency responders, such as police and fire department personnel, significantly improving the survivability of SCA, as can its availability in workplaces, sports facilities, airplanes and other public areas.
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Cardiac Arrest: A Treatable Public Health Crisis
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Cardiac Arrest: A Treatable Public Health Crisis
Functional Angiometry--Coronary Artery Functional Assessment Using Doppler Ultrasound
Anatomic diagnosis of coronary artery disease, including angiography and thallium scintigraphy, indirectly and imprecisely identifies the functional significance of coronary artery lesions. An analysis of currently available diagnostic techniques includes a look at functional angiometry--direct, quantitative measurements of blood flow impairment--to more accurately determine the need to treat an observable coronary artery occlusion, thereby potentially avoiding unnecessary angioplasty or bypass grafting.
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Angiometrics
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in the Diagnosis of Coronary Artery Disease:Functional Angiometry as a New Standard
Transmyocardial Revascularization (TMR) in the Management of Angina
Not all angina patients respond successfully to traditional medical or surgical therapy, including angioplasty and coronary artery bypass grafting, raising important economic and quality of life issues. Transmyocardial revascularization (TMR) is a new therapeutic approach in which focused lasers perforate areas of ischemic myocardium creating new transmyocardial channels that bypass the coronary arteries altogether, offering treatment opportunities to patients otherwise considered unsuitable for further surgical intervention.
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Revascularization in the Management of Angina
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TMR Bulletin
Women and Coronary Artery Disease
Long considered, even by the medical profession, to predominantly affect men, coronary artery disease (CAD) is in reality "an equal opportunity disease", particularly in patients over the age of 55. Stress electrocardiography is the only CAD screening test covered by Medicare, yet has poor diagnostic sensitivity, particularly in women. Stress echocardiography with ultrasound, however, has a very high sensitivity and specificity for CAD in both genders, with good correlation between reduced ventricular wall motion and reduced coronary artery blood flow. Lack of adequate training and a perception of interpretation difficulties have however hindered its broader adoption. New high definition ultrasound technologies promise to significantly change this misconception.
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Roles for Echocardiography in the Changing Practiceof Cardiology
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Cardiovascular Surgery
Cardiac Valve Replacement
Perfusion Services for Cardiac Bypass Surgery
Transmyocardial Revascularization (TMR) in
theManagement
of Angina
Transmyocardial Revascularization (TMR) in the Management of Angina
Not all angina patients respond successfully to traditional medical or surgical therapy, including angioplasty and coronary artery bypass grafting, raising important economic and quality of life issues. Transmyocardial revascularization (TMR) is a new therapeutic approach in which focused lasers perforate areas of ischemic myocardium creating new transmyocardial channels that bypass the coronary arteries altogether, offering treatment opportunities to patients otherwise considered unsuitable for further surgical intervention.
Some related materials produced by Communicore:
White Paper
Transmyocardial
Revascularization in the Management of Angina
Newsletter
TMR Bulletin
Related material produced by Communicore:
Frontiers in Cardiovascular Surgery
Leading cardiovascular surgeons from the U.S., U.K. and Canada discuss the history of cardiovascular surgery in terms of the technological advances of the last 30 years and those that are now being explored--with a particular focus on ethical issues.
Issues Video
Frontiers
in Cardiovascular Surgery
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