Search results for "Cardiology"

Impella CP in cardiogenic shock due to acute myocardial infarction: From primary angioplasty to LIMA-LAD grafting.

2021

Microvascular obstruction in the right ventricle in reperfused anterior myocardial infarction: macroscopic and pathologic evidence in a swine model

2013

Alteration of Heart Rate Variability as an Early Predictor of Cardiovascular Events: A Look at Current Evidence

2020

Evidence suggests an association between autonomic nervous system (ANS) function and atrial fibrillation (AF) development. We sought to examine the association of baseline resting heart rate (RHR) and short-term heart rate variability (HRV) as surrogates of (ANS) with incident AF in individuals without prior cardiovascular disease. A total of 6261 participants of the Multi Ethnic Study of Atherosclerosis (MESA) who were free of AF and diagnosed cardiovascular disease were enrolled. Three standard 10-second, 12-lead electrocardiograms were used to measure RHR, the standard deviation of normal-to-normal intervals (SDNN) and the root mean square of successive differences in RR intervals (RMSSD…

Right ventricular volume determination in isolated human hearts

1986

For right ventricular volume determination a new method was developed that took into account right ventricular imaging by apical two-dimensional echocardiography in the four- and two-chamber views. Right ventricular volume was calculated by subtraction of the partial volume of the left ventricle and interventricular septum from the total heart volume of the right and left ventricles including the interventricular septum. Accuracy of the subtraction method was evaluated in isolated human hearts by two-dimensional echocardiography and radiography. Regression analysis indicated that for both the echocardiographic and radiologic procedures, the subtraction method gave the best correlation with …

851 Role of segmental and whole body bioelectrical impedance analysis (BIA) in acute heart failure diagnosis

2007

Interventional and surgical modalities of treatment for pulmonary arterial hypertension

2004

AbstractBeyond medical therapy, different interventional and surgical approaches exist for treatment of pulmonary arterial hypertension (PAH). Atrial septostomy has been applied in patients with lack of response to medical therapy in the absence of other surgical treatment options. With growing experience, procedure-related death rates have been reduced to 5.4%, and the most suitable patient group has been identified among patients with a mean right atrial pressure between 10 and 20 mm Hg. Pulmonary endarterectomy is the accepted form of treatment for patients with chronic thromboembolic pulmonary hypertension. Establishing the diagnosis and the classification of the type of lesions by pulm…

TV viewing and venous thromboembolism: Risk or red herring?

2021

[No abstract]

Pulmonary Hypertension and Thromboembolic Disease

2008

Pulmonary hypertension (PH) is a disease group that includes a wide variety of entities leading to an increased pulmonary arterial pressure. This chapter describes the basic mechanisms that lead to PH and the possibilities of MRI in diagnosing different aspects. A MR imaging protocol is provided making MRI a comprehensive modality for the classification of the underlying disease and assessment of hemodynamics.

Early Markers of Cardiovascular Damage

1998

Cardiovascular (CV) disease represents at present one of the most frequent causes of morbidity and mortality in western industrialized countries. The prevalence of CV disease is increased in subjects with hypertension (HTN), diabetes mellitus (DM), dyslipidemia and central obesity. In these conditions, it is possible to detect early alterations of metabolic, hormonal, hemostatic, genetic and hemodynamic parameters, frequently associated with morphological and functional modifications of the left ventricle (LV) and the vascular system. Since these changes generally precede and are closely related to the occurrence of CV events, they may be considered early markers of CV disease. In recent ye…

The effects of arterial CO2 on the injured brain: Two faces of the same coin

2021

Serum levels of carbon dioxide (CO2) closely regulate cerebral blood flow (CBF) and actively participate in different aspects of brain physiology such as hemodynamics, oxygenation, and metabolism. Fluctuations in the partial pressure of arterial CO2 (PaCO2) modify the aforementioned variables, and at the same time influence physiologic parameters in organs such as the lungs, heart, kidneys, and the gastrointestinal tract. In general, during acute brain injury (ABI), maintaining normal PaCO2 is the target to be achieved. Both hypercapnia and hypocapnia may comprise secondary insults and should be avoided during ABI. The risks of hypocapnia mostly outweigh the potential benefits. Therefore, i…