ASE releases updated guidelines for cardiac US agents

The American Society of Echocardiography (ASE) has published updated guidelines...Read more on AuntMinnie.comRelated Reading: ASE releases guide for imaging Chagas disease Medical societies celebrate ultrasound awareness Medical societies expand collaboration on cardiac registry ASE debuts new educational offerings ASE offers guide for childhood heart disease
Source: Headlines - Category: Radiology Source Type: news

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Abstract Chagas heart disease is an inflammatory cardiomyopathy that develops in approximately one-third of people infected with the protozoan parasite Trypanosoma cruzi. One way T. cruzi is transmitted to people is through contact with infected kissing bugs, which are found in much of the Western Hemisphere, including in vast areas of the United States. The epidemiology of T. cruzi and Chagas heart disease and the varied mechanisms leading to myocyte destruction, mononuclear cell infiltration, fibrosis, and edema in the heart have been extensively studied by hundreds of scientists for more than 100 years. Despite...
Source: Annual Review of Pathology - Category: Pathology Authors: Tags: Annu Rev Pathol Source Type: research
AbstractSeveral studies evaluating clinical forms of chronic Chagas disease show that about one-third of patients present cardiac involvement. Heart failure, sudden death and cardioembolic stroke are the main mechanisms of death in Chagas heart disease. The impact of specific etiologic treatment on the prognosis of patients with chronic Chagas heart disease is very limited regardless of the presence or absence of heart failure. Patients with symptomatic Chagas heart disease present serum selenium (Se) levels lower than patients without Chagas heart disease. Moreover, Se supplementation in animal models showed promising res...
Source: Trials - Category: Research Source Type: clinical trials
About 300,000 people in the U.S. carry the parasite that causes Chagas disease.
Source: ABC News: Health - Category: Consumer Health News Tags: Health Source Type: news
You can get Chagas Disease from the triatomine bug biting you, sucking your blood, and pooping on you. And guess what, this bug is now in 28 states in the U.S.
Source: Healthcare News - Category: Pharmaceuticals Authors: Source Type: news
Abstract Reduced peak oxygen uptake (VO2peak) is a common clinical finding in progressive Chagas disease. However, the disease stage in which functional impairment is detectable remains uncertain. The present study compared functional capacity between healthy controls and patients with different clinical forms of Chagas disease. A systematic review and meta-analysis (PROSPERO database CRD42017058353) was conducted following a search of the MEDLINE, Web of Science, CINAHL, and LILACS databases from September to December 2017 for articles published in English, Spanish, or Portuguese, with no date restrictions. We included st...
Source: Revista da Sociedade Brasileira de Medicina Tropical - Category: Tropical Medicine Source Type: research
Abstract Chagasic heart disease develops in 30% of those infected with the protozoan parasite Trypanosoma cruzi, but can take decades to become symptomatic. Because of this, it has been difficult to assess the extent to which anti-parasitic therapy can prevent the development of pathology. We sought to address this question using experimental murine models, exploiting highly sensitive bioluminescent imaging to monitor curative efficacy. Mice were inoculated with bioluminescent parasites and then cured with benznidazole in either the acute or chronic stage of infection. At the experimental end-point (5-6 months pos...
Source: Antimicrobial Agents and Chemotherapy - Category: Microbiology Authors: Tags: Antimicrob Agents Chemother Source Type: research
We report, for the first time, the effect of HFD on myocardial inflammation, vasculopathy, and other types of dysfunction observed during chronic T. cruzi infection. Our results show that HFD perturbs lipid metabolism and induces oxidative stress to exacerbate late chronic Chagas disease cardiac pathology.
Source: Microbes and Infection - Category: Infectious Diseases Source Type: research
AbstractChronic Chagas heart disease (CCHD affects about 30% of patients with chronic Chagas disease (CCD). Systemic arterial hypertension (SAH) afflicts about 25% of patients with CCD. The association of CCHD with SAH (CCHD –SAH) predisposes patients to develop chronic heart failure. The role of cytokines in disease progression in patients with CCHD–SAH is unknown. Accordingly, the aim of this study was to evaluate the plasma levels of cytokines expressing the Th1, Th2, Th17 pattern, as well as Treg cytokines, TNF- alpha, IL-1β, IL-8, IL-7 in patients with SAH-CCHD to get insight into the immunomodulation...
Source: Heart and Vessels - Category: Cardiology Source Type: research
AbstractChagas disease is caused by a parasite infection endemic of the Americas. Traditionally observed in rural areas of Latin America, current migration trends have turned Chagas disease into a global epidemic. Acute infection is rarely severe and once it resolves, some patients can develop cardiomyopathy as part of the chronic form many years later. Multiple factors related with both the host and the parasite determine the susceptibility and progression to cardiomyopathy. Current imaging techniques are able to identify cardiac autonomic denervation, perfusion abnormalities, and myocardial fibrosis at an early of stage ...
Source: Journal of Nuclear Cardiology - Category: Nuclear Medicine Source Type: research
CONCLUSIONS: Our data suggest no significant contribution of the analysed gene variants of cytokine-related molecules to development/severity of Chagas' heart disease, reinforcing the idea that parasite/host interplay is critical to CD outcomes. PMID: 29768622 [PubMed - in process]
Source: Memorias do Instituto Oswaldo Cruz - Category: Infectious Diseases Authors: Tags: Mem Inst Oswaldo Cruz Source Type: research
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