156 results match your criteria: "Yerevan State Medical University After M.Heratsi[Affiliation]"

Emergence of -bearing MDR-hypervirulent ST307.

Microbiol Spectr

December 2024

School of Biomedical Sciences, University of West London, London, United Kingdom.

We report for the first time whole-genome sequencing of four multidrug-resistant sequence type (ST) 307 recovered from patients in two hospitals in Armenia. Comparative genomic analysis revealed that the isolates were closely related, with a maximum of 39 single nucleotide polymorphism (SNP) differences in the core genome. All Armenian isolates carried the integrative and conjugative element ICE4, which bears the yersiniabactin locus, and shared a common evolutionary origin, diverging around 2005 (95% CI: 1999 to 2011).

View Article and Find Full Text PDF

Background: The aim of this study was to evaluate long-term outcomes and patient satisfaction after nasal dorsal rhinoplasty with allogeneic cartilage graft of the nasal septum.

Materials And Methods: The present study included 104 patients (41 males and 63 females) whose mean age at surgery was 28.7 years and who underwent nasal dorsal augmentation with allogenous nasal septal cartilage graft during the period 2017-2023.

View Article and Find Full Text PDF

Functional and molecular alterations in the cerebellum are among the most widely recognised associates of autism spectrum disorders (ASD). As a critical computational hub of the brain, the cerebellum controls and coordinates a range of motor, affective and cognitive processes. Despite well-described circuits and integrative mechanisms, specific changes that underlie cerebellar impairments in ASD remain elusive.

View Article and Find Full Text PDF

Triglyceride-glucose index (TyG) as a novel biomarker in the era of cardiometabolic medicine.

Int J Cardiol

January 2025

Director of Cardiovascular Research Institute WHO Collaboration Centre, Isfahan University of Medical Sciences, Isfahan, Iran; School of Population and Public Health, Faculty of Medicine, University of British Columbia, Vancouver, Canada.

In the period of increasing prevalence of metabolic disorders such as obesity and diabetes, healthcare professionals are facing significant challenges. Therefore, an accurate global assessment of insulin resistance is of utmost importance. Current medical research is focused on identifying an easily accessible and reproducible gold-standard surrogate marker for insulin resistance.

View Article and Find Full Text PDF

The spread of the African swine fever virus (ASF virus) genotype ii in the Eurasian region has been very successful and often inexplicable. The virus spreads rapidly and persists in areas with wild boar populations, but areas without feral pig populations are also affected. The virus has shown the ability to survive for a long time in the environment without a population of susceptible hosts, both pigs and Ornithodoros soft ticks.

View Article and Find Full Text PDF

Doxorubicin-related cardiotoxicity: review of fundamental pathways of cardiovascular system injury.

Cardiovasc Pathol

September 2024

Director of Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran; School of Population and Public Health, Faculty of Medicine, University of British Columbia, Vancouver, Canada.

Article Synopsis
  • * Anthracyclines, particularly doxorubicin, are effective in fighting tumors but can cause serious heart damage, known as cardiotoxicity.
  • * Understanding how doxorubicin affects heart function is essential for creating new protective strategies against its harmful impacts on the cardiovascular system.
View Article and Find Full Text PDF
Article Synopsis
  • The study investigates the antiviral effects of newly synthesized heterocyclic compounds against SARS-CoV-2, aiming to explore their potential as treatment options due to the severity of COVID-19.
  • The research utilized various methods including cell culturing and qRT-PCR to analyze the compounds' effectiveness, showing that they significantly reduced the viral load and improved symptoms in infected hamsters.
  • Results indicated that these compounds not only decreased SARS-CoV-2 replication in vitro but also positively affected pathological changes in hamsters, suggesting their potential for further development as antiviral drugs.
View Article and Find Full Text PDF

Access to essential health services is a basic human right, yet many cancer patients living in conflict-affected regions face multiple obstacles to service use. The (former) Nagorno-Karabakh Republic was a conflict-affected region in the South Caucasus populated predominantly by ethnic Armenians. Multiple acute armed conflicts, the recent military occupation of the region, and the prolonged military blockade of the Lachin Corridor (a humanitarian corridor connecting Nagorno-Karabakh to Armenia) exacerbated existing social, health, economic, and political fragilities in this region.

View Article and Find Full Text PDF

Arterial hypertension is a multifaceted condition influenced by numerous pathophysiological factors. The key contributors to its pathogenesis encompass an unhealthy lifestyle, dysregulation of the sympathetic nervous system, alterations in the activity of adrenergic receptors, disruptions in sodium metabolism, structural and functional abnormalities in the vascular bed, as well as endothelial dysfunction, low-grade inflammation, oxidative stress etc. Despite extensive research into the mechanisms of arterial hypertension development over the centuries, its pathogenesis remains incompletely understood, and the selection of an effective treatment strategy continues to pose a significant challenge.

View Article and Find Full Text PDF

Purpose: To evaluate and assess the indicators of bone metabolism markers osteocalcin and -Cross-Laps in blood serum as a tool for monitoring bone regeneration and determining the time of implantation in patients after mandibulectomy and reconstruction of a free fibular flap with subsequent endosteal implants.

Materials And Methods: Forty-eight patients in a 6-year period participated in this study, due to resection for tumors. All patients underwent reconstruction with fibula free flap after tumor resection, 4-6 months after osteoectomy, dental implants were installed with further orthopedic rehabilitation.

View Article and Find Full Text PDF

Viper bites pose a significant public health issue in Armenia, even within urban areas, often resulting in clotting disorders, hypofibrinogenemia, and tissue necrosis in humans. This study investigates histopathological changes in various tissues during mice envenomation by West-Asian blunt-nosed viper (Macrovipera lebetina obtusa) venom, as well as the recovery process aided by experimental antivenom derived from sheep. The high venom dose caused substantial damage to the heart, lungs, liver, and kidneys in mice, indicating systemic harm.

View Article and Find Full Text PDF

Cardiac Sarcoidosis: A Contemporary Concept of Forgotten Granulomatosis.

ARYA Atheroscler

January 2023

Isfahan Cardiovascular Research Center , Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.

Article Synopsis
  • * The disease is characterized by granulomas, which initially show macrophage-lymphocytic infiltration and can progress to epithelioid cell formation and fibrosis, typically found in specific regions of the heart.
  • * Improved diagnostic imaging techniques, such as CT and MRI, have enhanced the ability to diagnose cardiac sarcoidosis, and this article reviews the latest findings and insights from a multidisciplinary team.
View Article and Find Full Text PDF

Purpose: Prosthetics for patients after oncological resection of the upper jaw is a complex problem associated with the physiological and anatomical separation of the oral cavity and the nasal/paranasal region. This study reports the clinical results of the use of the zygomatic implants for prosthetic rehabilitation in patients with maxillectomy due to upper jaw tumors.

Materials And Methods: The study included 16 patients who underwent prosthetic rehabilitation using a zygomatic implant after maxillectomy period from 2021 to 2023.

View Article and Find Full Text PDF

Background: Distal pancreatectomy (DP) is performed for lesions in the body and tail of the pancreas. The morbidity profile is considerable, mainly due to clinically relevant postoperative pancreatic fistula (CR-POPF). This study aims to investigate potential differences in CR-POPF related to transection site.

View Article and Find Full Text PDF

Saddle Nose Deformity Reconstruction with a Allograft Bone.

Aesthetic Plast Surg

December 2024

Head of Department of Oral and Maxillofacial Surgery, Yerevan State Medical University, 0028 Kievyan str. 10 ap. 65 c, Yerevan, Armenia.

Objective: Providing lasting cosmetic and functional results for patients with saddle nose deformity with allograft.

Methods: This report describes experience with using a of freeze-dried allograft bone allograft in 58 patients who underwent dorsal augmentation over 5-year period (2018-2023). Thirty-eight patients had saddle-shaped deformity of the nose, and 16 patients had post-traumatic cases with saddle nose deformities.

View Article and Find Full Text PDF

Background: Colorectal cancer is among the most common cancers in the world, and splenic flexure colon cancer accounts for about 2-5% of them. There is still no consensus on the surgical treatment of splenic flexure colon cancer (SFCC), and the extent of surgical resection and lymph node dissection for SFCC is still controversial.

Aim: To compare the postoperative and long-term oncologic outcomes of extended right colectomy (ERC), segmental colectomy (SC) and left colectomy (LC) for SFCC.

View Article and Find Full Text PDF

Background: The African swine fever (ASF) virus (ASFV) and ASF-like viral sequences were identified in human samples and sewage as well as in different water environments. Pigs regularly experience infections by the ASFV. The considerable stability of the virus in the environment suggests that there is ongoing and long-term contact between humans and the ASFV.

View Article and Find Full Text PDF

Background: Annually, approximately 200 new ovarian cancer cases are diagnosed in Armenia, which is considered an upper-middle-income country. This study aimed to summarize the survival outcomes of patients with relapsed ovarian cancer in Armenia based on the type of recurrence, risk factors, and choice of systemic treatment.

Methods: This retrospective case-control study included 228 patients with relapsed ovarian cancer from three different institutions.

View Article and Find Full Text PDF

This study evaluated long-term effectiveness UV functionalised short implants (≤ 6 mm) placed in the posterior segments of the atrophied maxilla. The study included 47 patients from 2018 to 2023 (aged 27 to 56 years, 24 women and 23 men) without any systemic diseases, with unilateral/bilateral missing teeth and vertical atrophy of the posterior maxillary area. Total installed were 64 short UV-functionalized implants and 62 standard implants over 10 mm in length in segments maxilla with sufficient bone parameters.

View Article and Find Full Text PDF

This paper examines the role of dietary peptides gluten and casein in modulating brain function in individuals with autism spectrum disorder (ASD) from a biochemical perspective. Neurotransmitter systems and neural networks are crucial for brain function, and alterations at the biochemical level can contribute to the characteristic symptoms and behaviors of ASD. The paper explores how dietary peptides influence neurotransmitter systems and neural networks, highlighting their potential as interventions to improve brain function in ASD.

View Article and Find Full Text PDF

Aerobic organisms including the gut microbiota have an essential antioxidant status, as a result of which these bacteria protect organisms from various pathologies and diseases. The goal of the given investigation is (1) the isolation and purification of the isoforms of endogenous О-producing associate from gastrointestinal bacteria (); (2) determination of the effective concentrations of exogenous О produced by a complex of NADPH-containing protein component and Fe(III) (NPC-Fe(III)) from raspberries on the growth of the gastrointestinal bacteria in a nutrient medium . Ion-exchange chromatography on cellulose DE-52 and gel filtration on Sephadex G-100 at the pH of 9.

View Article and Find Full Text PDF

Shortly after the establishment of African swine fever virus (ASFV) genotype II in 2007, cases of acute fatal infection were observed. However, after several years of circulation in the Eurasian region, the clinical signs of the disease changed. Currently, this disease can occur acutely, subclinically, chronically, or asymptomatically.

View Article and Find Full Text PDF