Publications by authors named "Dragan S"

Background/objectives: Predicting post-COVID-19 diabetes is crucial for enhancing patient care and public health. This study investigates the role of metabolic factors in predicting the glycemic outcomes in patients recovering from moderate to severe COVID-19.

Methods: We conducted a retrospective analysis of 135 patients without pre-existing diabetes, selected from a cohort of 1980 individuals hospitalized between January 2020 and December 2022.

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Background: NT-proBNP levels with a wide range at admission play both a diagnostic and a prognostic role in patients with HF. The differences regarding the clinical profiles and demography in decompensated HF patients according to NT-proBNP levels at admission are not clear.

Methods: This study aimed to analyze and compare clinical profiles and demographics in patients hospitalized for decompensated heart failure according to levels of NT-proBNP at admission.

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Background: Over the years, troponins have aced the para-clinical tests for confirming the diagnosis of acute myocardial infarction. However, the rise in their levels is entirely time-dependent, which can cause a delay in the initiation of treatment protocols. Heart fatty acid binding protein (H-FABP) can serve comparatively as a better biological marker for overcoming this flaw of troponins, as it is quickly released into the bloodstream once the myocardial injury occurs due to decreased blood supply.

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Article Synopsis
  • The COVID-19 pandemic has led to significant health issues and financial losses, with certain comorbidities, like diabetes and obesity, increasing the risk of severe illness and higher mortality rates.
  • A study conducted on 143 non-diabetic patients who recovered from COVID-19 found that 30.7% developed long COVID-19 syndrome, and 75% of those patients were diagnosed with diabetes within a year.
  • The research highlighted a notable correlation between long COVID and the development of insulin resistance, particularly among patients with a higher BMI, suggesting a major risk for altered metabolic health post-infection.
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Given the widespread occurrence of insulin resistance, a key factor in metabolic syndrome and a distinct condition altogether, there is a clear need for effective, surrogate markers. The triglyceride-to-high-density lipoprotein (TG/HDL) ratio stands out as a viable option, indicative of changes in lipid metabolism associated with insulin resistance, offering a cost-effective and straightforward alternative to traditional, more complex biomarkers. This review, in line with PRISMA guidelines, assesses the TG/HDL ratio's potential as an indirect indicator of insulin resistance.

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Early attempts at surgical management of cartilage lesions date back to the 1950s. Since then, various reconstructive techniques have been developed; unfortunately, none of the methods used has been able to produce a regenerate formed solely of hyaline cartilage. This paper summarizes the most popular techniques for chondral and osteochondral reconstructions of knee joint tissues.

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Articular cartilage lesions negatively affect patients' well-being, causing severe pain and significantly limiting functioning. The purpose of this study was to evaluate the effectiveness of a one-stage reconstruction, performed arthroscopically using a hyaluronate-based scaffold. Pain reduction and functional improvement were assessed.

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Background And Objectives: Secondary prevention after acute coronary syndrome (ACS) is essential to reduce cardiovascular mortality and hospital readmission, ensuring patients return to normal with an improved quality of life. Thus, we investigate the benefits of a comprehensive cardiac rehabilitation (CR) program on lifestyle, risk factors and adherence to guideline-directed medical therapy (GDMT) in patients after ACS and myocardial revascularization through coronary artery by-pass grafting (CABG) or percutaneous coronary intervention (PCI).

Methods: This is a prospective, longitudinal study in consecutive post-CABG or PCI patients after ACS that participated or not in a comprehensive CR.

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Oxidative stress is linked to a series of diseases; therefore, the development of efficient antioxidants might be beneficial in preventing or ameliorating these conditions. Based on the structure of a previously reported compound with good antioxidant properties and on computational studies, we designed several catechol derivatives with enhanced antioxidant potential. The compounds were synthesized and physicochemically characterized, and their antioxidant activity was assessed through different antiradical, electron transfer and metal ions chelation assays, their electrochemical behavior and cytotoxicity were studied.

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Osteoarthritis, which is the most common joint disorder, is one of major reasons for hospitalizations and one of the greatest burdens to health care systems. Osteoarthritis has a complex etiology, but lesions of articular cartilage are a major risk factor. These lesions are often encountered in young active people and usually remain asymptomatic for a long time.

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BACKGROUND The importance of introducing digital technology as an alternative to classical cardiac rehabilitation has been discussed in several reviews. The purpose of this systematic review and meta-analysis was to analyze the effectiveness of digital technology use in cardiac rehabilitation to determine whether digital methods like use of smartphones, compared to traditional rehabilitation methods, can improve the overall quality of life and exercise capacity of cardiac patients. MATERIAL AND METHODS PubMed, EMBASE, and ScienceDirect were systematically searched in a randomized manner, resulting in 11 randomized controlled trials (RCTs) that met all the inclusion criteria.

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Background: The clinical presentation of SARS-CoV-2 varies from patient to patient. The most common findings noted were respiratory tract infections, of different severity grades. In some cases, multi-organ damage was noted.

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Objective: The physiological interaction between the left ventricle (LV) and the arterial system, defined as ventricular-arterial coupling (VAC), facilitates the optimal volume of cardiac work and cardiovascular performance. The aim of this study was to evaluate the benefit of PWV/GLS ratio associated with other vascular and cardiac performance parameters in hypertensive patients compared to age-matched healthy controls.

Patients And Methods: We calculated the ratio of pulse wave velocity (PWV), as a marker of arterial stiffness, to global longitudinal strain (GLS), as a marker of left ventricular function in 135 patients divided in 3 groups, as follows: group 1 (HT + CAD) enrolled 54 hypertensive patients with coronary artery disease, group 2 (HT) enrolled 43 hypertensive patients and group 3 (CON) represented the control group consisting of 38 age-matched healthy subjects.

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Objective: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), also known as COVID-19, a viral outbreak that started in December 2019, eventually lead to a worldwide pandemic. COVID-19 usually presents with flu-like symptoms, such as headaches, dry cough, fever, fatigue, myalgia, shortness of breath, diarrhea and loss of smell or taste. However, it can also have major effects on the cardiovascular system.

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Article Synopsis
  • The study investigates the metabolic performance of gut bacteria in middle-aged and elderly patients suffering from gallstone disease (GSD), which is more prevalent in older individuals.* -
  • It involved 120 participants, including 90 GSD patients who underwent various clinical assessments, revealing significant gut dysbiosis (DB) in these patients compared to healthy controls.* -
  • Notable clinical differences were found between patients with cholesterol-rich gallstones and pigment gallstones, including factors like age, obesity, and metabolic disorders, along with specific alterations in gut microbiota composition.*
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The early detection of cardiovascular disease (CVD) serves as a key element in preventive cardiology. The risk of developing CVD in patients with rheumatic disease is higher than that of the general population. Thus, the objective of this narrative review was to assess and describe updated risk-prediction parameters for CVD in patients suffering from rheumatic diseases, and, additionally, to evaluate therapeutic and risk management possibilities.

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Background: Gallstone disease (GSD) represents one of the most frequent digestive disorders, highly reported in female gender. The purpose of the study was to explore the clinical and gut microbiota particularities of female patients with postcholecystectomy syndrome (PCS) and the possible relationship between gut dysbiosis (DB) and abdominal complaints.

Patients And Methods: In total, 129 female participants: 104 outpatients divided into two equal groups, 52 PCS (+), 52 PCS (-) and 25 healthy controls were consecutively enrolled in this observational study.

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Contribution of global and regional longitudinal strain (GLS) for clinical assessment of patients with heart failure with preserved ejection fraction (HFpEF) is not well established. We sought to evaluate subclinical left ventricular dysfunction secondary to coronary artery disease (CAD) in HFpEF patients compared with hypertensive patients and age-matched healthy subjects. This was a retrospective study that included 148 patients (group 1 = 62 patients with HFpEF, group 2 = 46 hypertensive patients, and group 3 = 40 age-matched control subjects).

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(1) Background and objective: Cardiac rehabilitation (CR) means delivering health education by structured exercises with the means of risk reduction, in a cost-effective manner. Well-conducted CR improves functional capacity, decreases re-hospitalization, and reduces mortality up to 25%. We bring to attention the protocol of a randomised control trial with the aim of validating the prototype of an assistive upper-body robotic exoskeleton system enhanced with a non-immersive virtual reality exergame (CardioVR-ReTone) in patients who undergone cardiac surgery.

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The aim of this study in anterior cruciate ligament reconstruction (ACLR) patients was to assess the effect of six months of supervised physiotherapy with a higher number of visits (SPHNV) compared to supervised physiotherapy with a lower number of visits (SPLNV) on the maximal peak torque (PT) and isometric torque (IT) of values obtained for hamstring (H) and quadriceps (Q) muscles of the knee joints under isokinetic and isometric conditions. Hypothesis: SPHNV improves IT and PT more than SPLNV. Group I had ACLR with a higher number of visits ( = 20), Group II had ACLR with a lower number of visits ( = 20), and Group III served as the control ( = 20).

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Autonomic nervous system (ANS) dysfunction is present in early stages of alcohol abuse and increases the likelihood of cardiovascular events. Given the nonlinear pattern of dynamic interaction between sympathetic nervous system (SNS) and para sympathetic nervous system (PNS) and the complex relationship with lifestyle factors, machine learning (ML) algorithms are best suited for analyzing alcohol impact over heart rate variability (HRV), because they allow the analysis of complex interactions between multiple variables. This study aimed to characterize autonomic nervous system dysfunction by analysis of HRV correlated with cardiovascular risk factors in young individuals by using machine learning.

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Blood coagulation disorders in patients with intracranial bleeding as a result of head injuries or ruptured aneurysms are a diagnostic and therapeutic problem and appropriate assessments are needed to limit CNS damage and to implement preventive measures. The aim of the study was to monitor changes in platelet aggregation and to assess the importance of platelet dysfunction for predicting survival. Platelet receptor function analysis was performed using the agonists arachidonic acid (ASPI), adenosine diphosphate (ADP), collagen (COL), thrombin receptor activating protein (TRAP), ristocetin (RISTO) upon admission to the ICU and on days 2, 3, and 5.

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The Union Cycliste Internationale (UCI) Mountain Bike World Cup in 2019 provided unique challenges for effective prehospital care. While on-site medical care has demonstrated improved outcomes along with reduced emergency department and emergency medical services (EMS) utilization, this aspect has not been well documented in the literature with respect to rural mass gathering events (MGEs). Conducted at a large mass gathering event in a geographically isolated area, this study aimed to assess the medical needs at this specific event and will hopefully assist in future coordination of similar events.

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Looking for multifunctional materials, an assessment of the performances both as fire retardant and generator of electrically conductive surfaces for a three component mixture of graphene oxide, phosphoric acid and melamine applied on wood chipboard was performed. A simple approach was used to investigate the intumescent char formation and quantify the loss mass during vertical burning tests, in which the prepared samples were exposed for a certain time interval to a flame generated by an ethanol lamp in ambient conditions. Moreover, mass loss evolution and structural changes that occur during the burning process were more comprehensive investigated by differential thermal and thermogravimetric (DTA/TGA) techniques.

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This study presents direct 2D and 3D co-culture model of mesenchymal stem cells (MSCs) line with chondrocytes isolated from patients with osteoarthritis (unaffected area). MSCs differentiation into chondrocytes after 14, 17 days was checked by estimation of collagen I, II, X, aggrecan expression using immunohistochemistry. Visualization, localization of cells on Hyaff-11 was performed using enzymatic technique and THUNDER Imaging Systems.

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