Publications by authors named "Simic Dragan"

Background: Among the organ damage mediated by hypertension, cardiac lesions hold significant importance. Numerous authors focus on hypertensive heart disease (HHD) rather than exclusively on left ventricular hypertrophy (LVH).

Objective: This narrative review aims to assess the incorporation of the concept of 'hypertensive heart disease' (HHD) in hypertension (HTN) guidelines.

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The thyroid gland has an important influence on the heart. Long-term exposure to high levels of thyroid hormones may lead to cardiac hypertrophy and dysfunction. The aim of the study was to evaluate the morphological and functional changes in the left ventricle in patients with hyperthyroidism caused by Graves' disease (GD) in comparison with healthy individuals, as well as to investigate potential differences in these parameters in GD patients in relation to the presence of orbitopathy.

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Objective: There are noticeable sex differences in the treatment response to antihypertensives, with limited data on the response to single pill combinations. The aim of the PRECIOUS trial was to assess the treatment response to perindopril/amlodipine and perindopril/amlodipine/indapamide dual and triple single-pill combination in men and women.

Methods: Four hundred and forty adults with essential hypertension were assessed in the 16-week interventional, open-label, prospective, international, multicentre trial.

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Systemic arterial hypertension (HTN) is the main cause of morbidity and mortality, and HTN crises contribute significantly to an unfavourable clinical course. For decades, HTN crises have been dichotomized into hypertensive emergency (HTN-E) and hypertensive urgency (HTN-U). The main difference between the two is the presence of acute hypertension-mediated organ damage (HMOD) - if HMOD is present, HTN crisis is HTN-E; if not, it is HTN-U.

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Article Synopsis
  • Empagliflozin, a medication tested in the EMPACT-MI trial, showed promise in reducing heart failure (HF) hospitalizations but did not impact overall mortality when administered within two weeks post-acute myocardial infarction (AMI).
  • In the study of over 6,500 patients, worsening left ventricular ejection fraction (LVEF) and congestion significantly increased the risk of death and HF hospitalizations.
  • The drug effectively lowered the risk for HF hospitalizations regardless of the patients' LVEF status or congestion, and its safety profile remained consistent across different patient groups.
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Article Synopsis
  • Empagliflozin is known to improve cardiovascular outcomes in various patient groups, but its safety and effectiveness in those who have experienced an acute myocardial infarction were previously unclear.
  • In a study involving 6522 patients at risk for heart failure after a heart attack, participants were given either empagliflozin or a placebo, with their health monitored over about 18 months.
  • The results showed that empagliflozin did not significantly reduce the risk of hospitalization for heart failure or death compared to placebo, though it did show some potential benefits regarding hospitalizations specifically for heart failure.
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Article Synopsis
  • * In the EMPACT-MI trial, 6,522 patients were randomly assigned to receive either empagliflozin or placebo, with the results showing a significant difference in HF events after a median follow-up of 17.9 months.
  • * The study also noted that patients taking empagliflozin required fewer additional heart failure medications after discharge, indicating a broader benefit in managing heart failure risks.
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Although acute heart failure (AHF) is a common disease associated with significant symptoms, morbidity and mortality, the diagnosis, risk stratification and treatment of patients with hypertensive acute heart failure (H-AHF) still remain a challenge in modern medicine. Despite great progress in diagnostic and therapeutic modalities, this disease is still accompanied by a high rate of both in-hospital (from 3.8% to 11%) and one-year (from 20% to 36%) mortality.

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Background: Hypertensive left ventricular hypertrophy (HTN LVH) is a key risk factor for atrial fibrillation (AF).

Objective: To evaluate the possible role of beta-blockers (BBs) in addition to a renin-angiotensinaldosterone system (RAAS) blocker in AF prevention in patients with HTN LVH.

Methods: We performed a PubMed, Elsevier, SAGE, Oxford, and Google Scholar search with the search items 'beta blocker hypertension left ventricular hypertrophy patient' from 2013-2023.

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Background: Arterial Hypertension (HTN) is a key risk factor for left ventricular hypertrophy (LVH) and a cause of ischemic heart disease (IHD). The association between myocardial ischemia and HTN LVH is strong because myocardial ischemia can occur in HTN LVH even in the absence of significant stenoses of epicardial coronary arteries.

Objective: To analyze pathophysiological characteristics/co-morbidities precipitating myocardial ischemia in patients with HTN LVH and provide a rationale for recommending beta-blockers (BBs) to prevent/treat ischemia in LVH.

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Background: The important risk factors for atrial fibrillation (AF) in the general population are not always equally important in specific and relatively prevalent diseases.

Objective: The main goal of this narrative review is to focus attention on the presence and the relationship of AF with several important diseases, such as cancer or sepsis, in order to: 1) stimulate further research in the field, and 2) draw attention to this relationship and search for AF in clinical practice.

Methods: We searched PubMed, SCOPUS, Elsevier, Wiley, Springer, Oxford Journals, Cambridge, SAGE, and Google Scholar for less-known comorbidities of AF.

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The COVID-19 pandemic has led to numerous negative implications for all aspects of society. Although COVID-19 is a predominant lung disease, in 10-30% of cases, it is associated with cardiovascular disease (CVD). The presence of myocardial injury in COVID-19 patients occurs with a frequency between 7-36%.

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Background: The oral anticoagulant dabigatran offers an effective alternative to vitamin K antagonists (VKAs) for stroke prevention in atrial fibrillation (AF), yet patient preference data are limited. The prospective observational RE-SONANCE study demonstrated that patients with AF, newly initiated on dabigatran, or switching to dabigatran from long-term VKA therapy, reported improved treatment convenience and satisfaction compared with VKA therapy. This pre-specified sub-study aimed to assess the impact of country and age on patients' perceptions of dabigatran or VKA therapy in AF.

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(1) Background: Modern medicine generates a great deal of information that stored in medical databases. Simultaneously, extracting useful knowledge and making scientific decisions for diagnosis and treatment of diseases becomes increasingly necessary. Headache disorders are the most prevalent of all the neurological conditions.

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Headaches have not only medical but also great socioeconomic significance, therefore, it is necessary to evaluate the overall impact of headaches on a patient's life, including their work and work efficiency. The aim of this study was to determine the impact of individual headache types on work and work efficiency. : This research was designed as a cross-sectional study performed by administering a questionnaire among employees.

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Background: Coronary chronic total occlusion (CTO) is characterized by the presence of collateral blood vessels which can provide additional blood supply to CTO-artery dependent myocardium. Successful CTO recanalization is followed by significant decrease in collateral donor artery blood flow and collateral derecruitment, but data on coronary hemodynamic changes in relation to myocardial function are limited. We assessed changes in coronary flow velocity reserve (CFVR) by echocardiography in collateral donor and recanalized artery following successful opening of coronary CTO.

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Spontaneous carotid-cavernous fistulas (CCFs) are rare, and they may be caused by an aneurysm rupture. A case of a man hospitalized for high-intensity hemicranial headache with sudden cough onset as part of an upper respiratory tract infection is presented. The pain was of a pulsating character, localized on the right, behind the eye, followed by nausea and vomiting.

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Objective: We evaluated atrial fibrillation (AF) patients' perceptions of anticoagulation treatment with dabigatran or a vitamin K antagonist (VKA) for stroke prevention, according to accepted indications.

Methods: The RE-SONANCE observational, prospective, multicentre, international study used the validated Perception on Anticoagulant Treatment Questionnaire (PACT-Q) to assess patients with AF already taking a VKA who were switched to dabigatran (cohort A), and newly diagnosed patients initiated on either dabigatran or a VKA (cohort B). Visit 1 (V1) was at baseline, and visit 2 (V2) and visit 3 (V3) were at 30-45 and 150-210 days after baseline, respectively.

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Aims: This study aimed to assess age- and sex-related differences in management and 1-year risk for all-cause mortality and hospitalization in chronic heart failure (HF) patients.

Methods And Results: Of 16 354 patients included in the European Society of Cardiology Heart Failure Long-Term Registry, 9428 chronic HF patients were analysed [median age: 66 years; 28.5% women; mean left ventricular ejection fraction (LVEF) 37%].

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Objective: There are no data about the prevalence of silent coronary artery disease in asymptomatic severe aortic stenosis patients with normal exercise testing. Importantly, unmasking significant coronary artery disease in patients with aortic stenosis could influence the choice/timing of treatment in these patients.

Method: Exercise testing was performed on semi-supine ergobicycle.

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Article Synopsis
  • - Disturbed redox balance in heart failure (HF) can impair cardiac function through oxidative damage and signaling pathways, with glutathione transferase (GST) genotypes potentially influencing this risk.
  • - In a study of 194 HF patients (109 with coronary artery disease and 85 with idiopathic dilated cardiomyopathy), no significant link was found between specific GST genotypes and HF occurrence, except for those carrying at least one variant allele (∗Val), which increased HF risk.
  • - Stronger associations were noted in CAD patients with certain combined risk genotypes, who also had reduced heart size and higher inflammatory markers, suggesting genetic variations may affect susceptibility to oxidative stress and inflammation in HF.
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Background: To consider hemodynamic assessment of myocardial bridging (MB) adequate, it is believed that inotropic stimulation with dobutamine should be estimated because its dynamic nature depends on the degree of extravascular coronary compression. This study evaluated comparative assessment of hemodynamic relevance of MB using coronary flow velocity reserve (CFVR) measurements by transthoracic Doppler echocardiography (TTDE) with vasodilatative and inotropic challenges.

Methods: This prospective study included forty-four patients with angiographic evidence of isolated MB of the left anterior descending coronary artery (LAD) and systolic compression of ≥50% diameter stenosis.

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Introduction: Cardiac tamponade (CT) is a life-threatening complication of radiofrequency ablation (RFA). The course and outcome of CT in low-to-medium volume electrophysiology centers are underreported.

Methods: We analyzed the incidence, management and outcomes of CT in 1500 consecutive RFAs performed in our center during 2011-2016.

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