Background: Dynamics of health care has changed over time along with development of the countries themselves. The aim of the study is to compare macroeconomic and health expenditure indicators of interest, such as total health expenditure (THE) as percentage of global domestic product, global domestic product per capita in US$, and private households' out-of-pocket payments of Balkan and Eastern European countries on health, as well as to assess their progress over the observed period. Methods: This research report represents a descriptive data analysis of indicators extracted from the European Health for All database. The data were analyzed using a linear trend and regression analysis to estimate the timeline changes. Results: Greece and Slovenia have the largest median values of global domestic product per capita throughout the whole period, and the largest increment trend was in Lithuania. Median value in out-of-pocket payment of THE was the highest in Albania and Ukraine, while the largest decrease in trend was noticed in Albania and Bosnia and Herzegovina. Bosnia and Herzegovina and Greece had the largest median value of THE as percentage of Gross Domestic Product (GDP) in the observed period, while regression trend analysis showed that Serbia had the largest increase. Most of the countries showed a significant correlation between observed indicators. Conclusion: Trends in the economy must be constantly monitored due to the fact that the population is aging and non-communicable diseases are multiplying, which requires innovations in medical treatment and pharmaceutical development.

High aggregatory responses despite antiplatelet treatment is associated with an increased risk of thrombotic complications following percutaneous coronary intervention (PCI). In the present study, we investigated the relationship between platelet aggregatory responses to ADP and the release of CD40L (sCD40L): an immunomodulatory compound involved in atherothrombosis - in patients undergoing PCI. ADP-induced platelet aggregation, sCD40L and soluble P-selectin (sP-selectin) were determined before and 24 h after PCI, in samples from 52 patients receiving aspirin and thienopyridines. Platelet aggregation to ADP above the median was defined as 'high aggregation', and aggregation below the median as 'low aggregation'. Data below are medians and interquartile ranges. Patients with 'high platelet aggregability' had a significantly higher increase in both sCD40L (Delta-values: 0.78 (-0.19-3.18) vs. -0.65 (-2.10-0.00) ng/ml, P = 0.002) and sP-selectin (Delta-values: 8.0 (-2.00-16.00) vs. 4.50 (-13.00-0.50) ng/ml, P = 0.001) compared with patients with 'low platelet aggregability'. In a multivariate linear regression analysis adjusted for clinical characteristics and type of preintervention therapy, the only independent predictors of sCD40L and sP-selectin were platelet aggregation to ADP before PCI (P < 0.001) and the combination of platelet aggregation to ADP before PCI and urgency of PCI (P < 0.001). Circulating CD40L is more markedly increased after PCI in patients with high ADP-induced platelet aggregation.

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Cardiovascular diseases, including ischemic heart disease, are the most common causes of morbidity and death in the world, including Serbia, as a middle-income European country. The aim of the study was to determine the costs of preventive examinations for ischemic heart disease in active-duty military personnel, as well as to assess whether this was justified from the point of view of the limited health resources allocated for the treatment of the Republic of Serbia population. This is a retrospective cost-preventive study which included 738 male active-duty military personnel, aged from 23 to 58. The costs of primary prevention of ischemic heart disease in this population were investigated. Out of 738 subjects examined, arterial hypertension was detected in 101 subjects (in 74 of them, arterial hypertension was registered for the first time, while 27 subjects were already subjected to pharmacotherapy for arterial hypertension). Average costs of all services during the periodic-health-examination screening program were €76.96 per subject. However, average costs of all services during the periodic-health-examination screening program for patients with newfound arterial hypertension and poorly regulated arterial hypertension were €767.54 per patient and €2,103.63 per patient, respectively. Since periodic-health-examination screening program in military personnel enabled not only discovery of patient with newfound arterial hypertension but also regular monitoring of those who are already on antihypertensive therapy, significant savings of €690.58 per patient and €2,026.67 per patient can be achieved, respectively. As financial resources for providing health care in Serbia, as a middle-income country, are limited, further efforts should be put on screening programs for ischemic heart disease due to possible significant savings.

RS and IRS significantly improve sensitivity, specificity, and accuracy for determination of culprit lesion in patients undergoing PCI.

At present, neither specific antiviral drugs, nor vaccine is recommended for coronavirus disease 2019 (COVID‐19) treatment. In this review we discuss the drugs suggested as therapy for COVID‐19 infection, with a focus on chloroquine and hydroxychloroquine. The list of drugs used for COVID‐19 treatment includes a combination of lopinavir and ritonavir, remdesivir, favipiravir, alpha‐interferon, ribavirin, atazanavir, umifenovir, and tocilizumab. As their efficacy and safety are under investigation, none of the regulatory agencies approved them for the treatment of COVID‐19 infection. Although chloroquine and hydroxychloroquine possess antiviral and immunomodulatory effects, in practice benefit of their use for COVID‐19 treatment is controversial. Several studies investigating hydroxychloroquine were stopped and the French national medicines regulator suspended its use in clinical trials because of safety concerns. The results from the double‐blind, randomised clinical trials, including large number of participants, will add better insight into the role of these two drugs as already available and affordable, antimalarial therapy. The ethical issue on emergency use of chloroquine and hydroxychloroquine in the settings of COVID‐19 should be carefully managed, with adherence to the “monitored emergency use of unregistered and experimental interventions” (MEURI) framework or be ethically approved as a trial, as stated by the WHO. Potential shortage of chloroquine/hydroxychloroquine on the market can be overbridged with regular prescriptions by medical doctors and national drug agency should ensure sufficient quantities of these drugs for standard indications.

PCI could be fast and life-saving approach in iatrogenic dissections of the left main coronary artery.

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