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Effect of Heroin on Electrocardiographic Parameters
Conclusion Heroin addiction significantly affects the QT, QTc, and Tpe time intervals. The arrhythmia effects of these parameters are well known. More attention to the electrocardiographic parameters of these individuals should be given. (Arq Bras Cardiol. 2020; 115(6):1135-1141) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Parameters of Central Hemodynamics as New Biomarkers of Cardiovascular Risk
Conclusion PWV was correlated with IMT and echocardiographic parameters, and independently associated with IMT. This association was stronger in individuals with left ventricular hypertrophy, increased IMT, carotid plaque, stenosis ≥ 50%, and target organ damage. (Arq Bras Cardiol. 2020; 115(6):1125-1132) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Relationship between Pulse Wave Velocity and Cardiovascular Biomarkers in Patients with Risk Factors
Conclusion PWV was correlated with IMT and echocardiographic parameters, and independently associated with IMT. This association was stronger in individuals with left ventricular hypertrophy, increased IMT, carotid plaque, stenosis ≥ 50%, and target organ damage. (Arq Bras Cardiol. 2020; 115(6):1125-1132) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Effectiveness and Safety of Transvenous Removal of Cardiac Pacing and Implantable Cardioverter-defibrillator Leads in the Real Clinical Scenario
Conclusions The results of this study, which is the largest prospective registry of consecutive TLE procedures in Latin America, confirm the safety and effectiveness of this procedure in the context of real clinical practice. (Arq Bras Cardiol. 2020; 115(6):1114-1124) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Early Changes in Circulating Interleukins and Residual Inflammatory Risk After Acute Myocardial Infarction
Conclusions During the first month post-MI, we observed a marked improvement in the balance of pro- and anti-inflammatory cytokines, except for IL-6. These findings suggest residual inflammatory risk. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Coronary Microvascular Dysfunction: Does it Really Matter in Chagas Disease?
Conclusion Chronic Chagas cardiomyopathy was a secondary cause of suspected coronary microvascular disea se in 15% of 101 stable patients whose cardinal symptom was anginal pain warranting coronary angiography. Although sharing several clinical, hemodynamic, and myocardial perfusion characteristics with patients whose suspected CMD was due to other etiologies, impairment of LV segmental and global syst olic function was significantly more severe in the patients with suspected CMD related to Chagas cardiomyopathy. (Arq Bras Cardiol. 2020; 115(6):1094-1101) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Chagas Cardiomyopathy as the Etiology of Suspected Coronary Microvascular Disease. A Comparison Study with Suspected Coronary Microvascular Disease of Other Etiologies
Conclusion Chronic Chagas cardiomyopathy was a secondary cause of suspected coronary microvascular disea se in 15% of 101 stable patients whose cardinal symptom was anginal pain warranting coronary angiography. Although sharing several clinical, hemodynamic, and myocardial perfusion characteristics with patients whose suspected CMD was due to other etiologies, impairment of LV segmental and global syst olic function was significantly more severe in the patients with suspected CMD related to Chagas cardiomyopathy. (Arq Bras Cardiol. 2020; 115(6):1094-1101) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Serological Tests in Chagas Disease: Another Enigmatic Evidence in a Disease Largely Neglected
Conclusion No significant reduction of positive / inconclusive serology was observed in the period between 2010 and 2015, but a reduction was observed when compared to 1996/1997 in the state. The determination of the prevalence of CD in blood banks may be relevant as an indicator of the risk of CD transmission through blood transfusions in a given region. New serological tests for triage with better accuracy in screening are needed, in an attempt to reduce the unnecessary disposal of blo od bags, reduce costs for the Brazilian Unified Health System, and diminish insecurity for the patient and family members. (Arq Bras Card...
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Prevalence of Trypanosoma Cruzi Infection in Blood Donors
Conclusion No significant reduction of positive / inconclusive serology was observed in the period between 2010 and 2015, but a reduction was observed when compared to 1996/1997 in the state. The determination of the prevalence of CD in blood banks may be relevant as an indicator of the risk of CD transmission through blood transfusions in a given region. New serological tests for triage with better accuracy in screening are needed, in an attempt to reduce the unnecessary disposal of blo od bags, reduce costs for the Brazilian Unified Health System, and diminish insecurity for the patient and family members. (Arq Bras Card...
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Causing Mechanisms of Embolic Strokes in Chagas Heart Disease: Autonomic Dysfunction, a Working Hypothesis
Conclusion AHREs detected by IECDs were associated with the presence of silent cerebral ischemic events in Chagasic patients. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Atrial High-Rate Episodes and Their Association with Cerebral Ischemic Events in Chagasic Patients
Conclusion AHREs detected by IECDs were associated with the presence of silent cerebral ischemic events in Chagasic patients. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Heart Rate Control in Heart Failure
Conclusion The study revealed that HR of 40.9% of patients with HF was above 70 bpm, despite treatment with high doses of beta blockers. Further measures should be applied for HR control in HF patients who maintain an elevated rate despite adequate treatment with beta blocker. (Arq Bras Cardiol. 2020; 115(6):1063-1069) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Is Current Drug Therapy for Heart Failure Sufficient to Control Heart Rate of Patients?
Conclusion The study revealed that HR of 40.9% of patients with HF was above 70 bpm, despite treatment with high doses of beta blockers. Further measures should be applied for HR control in HF patients who maintain an elevated rate despite adequate treatment with beta blocker. (Arq Bras Cardiol. 2020; 115(6):1063-1069) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Absence of Atherosclerosis in Chagas’ Disease: The Role of Trypanosoma Cruzi Transialidase
Conclusions CAD is less prevalent and less severe in patients with chronic Chagas ’ disease when compared with a matched population with a similar CAD risk profile. (Arq Bras Cardiol. 2020; 115(6):1051-1060) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research

Lower Prevalence and Severity of Coronary Atherosclerosis in Chronic Chagas’ Disease by Coronary Computed Tomography Angiography
Conclusions CAD is less prevalent and less severe in patients with chronic Chagas ’ disease when compared with a matched population with a similar CAD risk profile. (Arq Bras Cardiol. 2020; 115(6):1051-1060) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - January 18, 2021 Category: Cardiology Source Type: research