Publications by authors named "Tsvetoslav Georgiev"

Article Synopsis
  • Ankylosing Spondylitis (AS) is a chronic inflammatory arthritis linked to higher cardiovascular risks, primarily due to accelerated atherosclerosis, although some studies show mixed results regarding this association.
  • Endothelial dysfunction, common in AS patients, amplifies the effects of inflammation and traditional cardiovascular risk factors, potentially speeding up artery damage before other vascular issues arise.
  • Investigations suggest key factors like adhesion molecules can predict cardiovascular events, and treatments such as angiotensin receptor blockers and statins might lower cardiovascular risks in AS patients, highlighting the need for further studies.
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Rapidly destructive coxopathy (RDC) is a rare type of coxarthritis marked by swift deterioration of the hip joint. Although its cause remains unclear, several pathophysiological mechanisms are proposed. To comprehensively analyze this poorly understood condition, a literature search was conducted focusing on associations of bilateral RDC and rheumatoid arthritis (RA).

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Axial Spondyloarthritis (axSpA) is a chronic, inflammatory, immune-mediated rheumatic disease that comprises two subsets, non-radiographic and radiographic axSpA, and belongs to a heterogeneous group of spondyloarthritides (SpA). Over the years, the concept of SpA has evolved significantly, as reflected in the existing classification criteria. Considerable progress has been made in understanding the genetic and immunological basis of axSpA, in studying the processes of chronic inflammation and pathological new bone formation, which are pathognomonic for the disease.

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Article Synopsis
  • This study investigates the role of the adipokine meteorin-like protein (Metrnl) and the protein zonulin in women with polycystic ovary syndrome (PCOS), focusing on their relationship with obesity, hormonal levels, and metabolic health.
  • A total of 58 women with PCOS and 30 controls were assessed, measuring hormone levels and metabolic parameters using blood tests and other evaluations, but no significant differences in Metrnl and zonulin levels were found between the two groups.
  • Overweight and obese participants had higher Metrnl levels compared to normal-weight individuals, particularly in those with abdominal obesity and insulin resistance, highlighting the complex interplay between these factors in PCOS
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Introduction: Hip and knee osteoarthritis (OA) are increasingly common with a significant impact on individuals and society. Non-pharmacological treatments are considered essential to reduce pain and improve function and quality of life. EULAR recommendations for the non-pharmacological core management of hip and knee OA were published in 2013.

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To determine the scope of recommended vaccination uptake among patients with inflammatory arthritis (IA) receiving biologic and targeted synthetic disease-modifying antirheumatic agents (bDMARDs and tsDMARDs, respectively) and to determine factors, which influence their decision and are subject to modification. A single-center, cross-sectional study was conducted including patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), or ankylosing spondylitis (AS) on bDMARDs or tsDMARDs. Demographic, anthropometric, and clinical parameters were analyzed.

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This narrative review provides a comprehensive examination of the complex interplay between inflammatory arthritis (IA) and cardiovascular pathology. It particularly illuminates the roles of atherosclerosis initiation, endothelial dysfunction, and glycocalyx shedding. IA not only provokes tissue-specific inflammatory responses, but also engenders a considerable degree of non-specific systemic inflammation.

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While severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) quickly spread across the globe, our understanding of its pathogenic mechanisms evolved. Importantly, coronavirus disease 2019 (COVID-19) is now considered a syndromic multisystem inflammatory disease involving not only the respiratory system but also the cardiovascular, excretory, nervous, musculoskeletal, and gastrointestinal systems. Moreover, a membrane-bound form of angiotensin-converting enzyme 2, the entry receptor for SARS-CoV-2, is expressed on the surface of cholangiocytes and hepatocytes, suggesting the potential of COVID-19 to involve the liver.

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Background: Rheumatoid arthritis (RA) increases the risk of cardiovascular disease (CVD), with inflammation playing a key role. Biologic and targeted synthetic drugs used to treat RA can induce systemic immunomodulation and may have pleiotropic effects on vascular function, making it crucial to investigate their impact on CVD risk in RA patients.

Methods: A systematic review of the literature was conducted to investigate the impact of biologic and targeted synthetic treatments approved for RA on various cardiovascular markers, including endothelial function, arterial stiffness, and subclinical atherosclerosis.

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Intravenous administration of immunoglobulins has been routinely used for more than 60 years in clinical practice, developed initially as replacement therapy in immunodeficiency disorders. Today, the use of intravenous immunoglobulins (IVIGs) is embedded in the modern algorithms for the management of a few diseases, while in most cases, their application is off-label and thus different from their registered therapeutic indications according to the summary of product characteristics. In this review, we present the state-of-the-art use of IVIGs in various autoimmune conditions and immune-mediated disorders associated with reproductive failure, as approved therapy, based on indications or off-label.

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Takayasu's arteritis (TA) is a chronic granulomatous vasculitis that predominantly affects the aorta and its major branches. Despite advancements in the understanding of the pathogenic pathways of vascular inflammation, the etiology and predisposing factors of TA remain to be fully understood. In susceptible individuals, exposure to adjuvants may trigger, unlock or unmask an autoimmune disorder, presenting as non-specific constitutional symptoms or a fully developed autoimmune syndrome such as vasculitis.

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The recently emerged novel coronavirus, "severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)," caused a highly contagious disease called coronavirus disease 2019 (COVID-19). It has severely damaged the world's most developed countries and has turned into a major threat for low- and middle-income countries. Since its emergence in late 2019, medical interventions have been substantial, and most countries relied on public health measures collectively known as nonpharmaceutical interventions (NPIs).

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Objective: Our aim was to analyze levels of proinflammatory biomarker interleukin-18 (IL-18) in healthy controls and patients with polycystic ovary syndrome (PCOS) focusing on its association with obesity, clinical, hormonal, and metabolic characteristics.

Methods: Fifty-eight patients with PCOS were enrolled in the study fulfilling the Rotterdam criteria and were matched for age, body mass index (BMI), and ethnicity with 30 healthy controls. Detailed anthropometric measurements, clinical investigations, hormonal and biochemical tests were obtained between the 3 and 5 day of a menstrual cycle.

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Ovarian folliculogenesis requires a fine balance between extra- and intra-ovarian factors. Endocannabinoids are found in the female reproductive system and are essential for a normal follicular growing process and ovulation. First, our study aimed to analyze levels of the endocannabinoid-2-arachidonoylglycerol (2-AG)-in patients with polycystic ovary syndrome (PCOS) and to compare with healthy controls.

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Background: The endocannabinoid system is involved in the regulation of energy balance and ovarian function and may be implicated in the pathogenesis of polycystic ovary syndrome (PCOS). The purpose of the present study is to determine anandamide (AEA) levels in PCOS patients and controls and to analyze its association with metabolic and hormonal disturbances in women with PCOS.

Methods: The study included 88 women - 58 patients with PCOS (25.

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Type 2 diabetes (T2D) is one of the most common chronic metabolic disorders in adulthood worldwide, whose pathophysiology includes an abnormal immune response accompanied by cytokine dysregulation and inflammation. As the T2D-related inflammation and its progression were associated with the balance between pro and anti-inflammatory cytokines, anticytokine treatments might represent an additional therapeutic option for T2D patients. This review focuses on existing evidence for antihyperglycemic properties of disease-modifying antirheumatic drugs (DMARDs) and anticytokine agents (anti-TNF-, anti-interleukin-(IL-) 6, -IL-1, -IL-17, -IL-23, etc.

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Systemic lupus erythematosus (SLE) is a multifactorial autoimmune disease and polymorphisms in the cytokine genes and their receptors are thought to influence its development. The aim of this case-control study was to investigate the association of the IL-17A rs2275913, IL-17RC rs708567 and TGFB1 rs1800469 polymorphisms with SLE, its clinical manifestations and the polymorphisms influence on the IL-17A serum levels. Altogether 59 SLE patients with lupus nephritis and 95 healthy controls were genotyped by TaqMan assay.

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Introduction: OBJECTIVES: Our aim was to analyze the link between hyperandrogenism and early clinical manifestations of osteoarthritis (OA), knee cartilage thickness, and serum cartilage oligomeric matrix protein (sCOMP) levels in patients with polycystic ovary syndrome (PCOS) and to compare them with healthy volunteers.

Methods: Fifty-four PCOS patients who met the Rotterdam criteria with phenotypes A, B, and C were included. They were compared with 26 age- and body mass index (BMI)-matched controls.

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Coronavirus disease 2019 (COVID-19) pandemic has become challenging even for the most durable healthcare systems. It seems that vaccination, one of the most effective public-health interventions, presents a ray of hope to end the pandemic by achieving herd immunity. In this review, we aimed to cover aspects of the current knowledge of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines and vaccine candidates in the light of autoimmune inflammatory diseases (AIIDs) and to analyze their potential in terms of safety and effectiveness in patients with AIIDs.

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Objective: To evaluate serum matrix metalloproteinase (MMP)-3 levels as a prognostic marker for the progression of cartilage damage in patients with knee osteoarthritis (KOA).

Methods: Fifty-six patients, aged 40 to 80 years (62.59 ± 10.

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Recent advances in our understanding of coronavirus disease 2019 (COVID-19) and the associated acute respiratory distress syndrome might approximate the cytokine release syndrome of severe immune-mediated disease. Importantly, this presumption provides the rationale for utilization of therapy, until recently reserved mostly for autoimmune diseases (ADs), in the management of COVID-19 hyperinflammation condition and has led to an extensive discussion for the potential benefits and detriments of immunosuppression. Our paper intends to examine the available recommendations, complexities in diagnosis and management when dealing with patients with ADs amidst the COVID-19 crisis.

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The expectations from any future disease-modifying treatment for knee osteoarthritis (KOA) are extremely high as it has to impact the joint as a whole leading to favorable alterations of diverse tissues and functions. In this light, targeting the knee only from the inside may not be biologically justified for the management of a whole joint disease such as KOA. Our hypothesis to test is whether any injectable therapeutic intervention alone can lead to disease modification of KOA which is viewed in the complexity of the modern concept of osteoarthritis (OA) as a whole joint disease.

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Objectives: Although knee osteoarthritis (KOA) is a leading cause of impaired functioning among older adults globally, little is still known about the complex mechanisms of disability accumulation in these patients. The aim of the study was to analyze the clinical parameters of patients with KOA in a Bulgarian population and to determine which of these clinical characteristics define disability to the greatest extent.

Material And Methods: Patients aged 40-80 years with symptomatic KOA were included.

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Optimal management of knee osteoarthritis (KOA) should include, where possible, modification of risk factors through targeted interventions. The objectives of the present narrative review were to identify, summarize, and cluster all the potentially modifiable risk factors that influence the course of KOA, and discuss their susceptibility to alteration via personal, clinical, and public strategy. For this purpose, Pubmed and Scopus databases were queried using the terms "knee osteoarthritis", "risk factors" and "improvement".

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