12,144 results match your criteria: "University of Ioannina; Biomedical Research Institute[Affiliation]"

Treatment outcomes among patients with isoniazid mono-resistant tuberculosis in Mumbai, India: A retrospective cohort study.

J Clin Tuberc Other Mycobact Dis

December 2024

Médecins Sans Frontières, Southern Africa Medical Unit, Cape Town, South Africa.

Background: Tuberculosis (TB) remains a significant cause of mortality globally, with India accounting for 27% of the estimated number of people with TB. Multidrug-resistant TB (MDR-TB) and isoniazid (INH) resistance pose additional challenges to effective treatment. We aimed to describe treatment outcomes of INH mono-resistant TB patients under programmatic conditions in Mumbai, India.

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Introduction: This study aimed to describe the clinical course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in patients with glomerular diseases (GDs) and its impact on the probability of relapse.

Methods: Patients with biopsy-proven GD and positive PCR test for SARS-CoV-2 from glomerular clinics across Greece were studied retrospectively. Those who received the GD diagnosis after the SARS-CoV-2 vaccination or coronavirus disease 2019 (COVID-19) or ended in ESKD prior to infection were excluded.

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Ultra-high dose rate FLASH radiotherapy, a promising cancer treatment approach, offers the potential to reduce healthy tissue damage during radiotherapy. As the mechanisms underlying this process remain unknown, several hypotheses have been proposed, including the altered production of radio-induced species under ultra-high dose rate (UHDR) conditions. This study explores realistic irradiation scenarios with various dose-per-pulse and investigates the role of pulse temporal structure.

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Article Synopsis
  • This study investigates how different feature selection methods, machine learning classifiers, and radiomic feature sources influence the accuracy of models predicting clinically significant prostate cancer from MRI data.
  • Two datasets containing 465 and 204 patients allowed for the extraction of 1246 radiomic features, and 480 models were evaluated using various metrics, with the best-performing models leveraging specific feature selection methods and classifiers.
  • The findings highlight the importance of selecting the right feature selection method and source of radiomic features, as they significantly impact model performance for diagnosing prostate cancer.
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The COVID-19 pandemic has brought attention to a newly identified syndrome of multisystem inflammation. This potentially fatal complication of the disease was initially observed in children and later in adults. It affects primarily unvaccinated patients and may manifest within a timeframe of 2-12 weeks following infection.

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Background: Previous systematic reviews have reported the incidence of anterior knee pain (AKP) and extension deficit (ED) after anterior cruciate ligament reconstruction (ACLR); however, both outcomes are estimated separately and thus are assumed to be uncorrelated.

Purpose: To estimate whether there is a clinically relevant association between the population effects of ED and AKP after ACLR.

Study Design: Systematic review; Level of evidence, 2.

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Background And Purpose: The aim of the study was to provide valuable real-world long-term safety data of the fixed pravastatin 40 mg/fenofibrate 160 mg combination in comparison of monotherapy with statins of moderate intensity.

Materials And Methods: POSE study was an observational, comparative study conducted in three European countries. Patients treated or planned to be treated with pravastatin 40 mg/fenofibrate 160 mg or with a moderate-intensity statin in monotherapy were assessed over 3 years.

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Pneumatosis intestinalis - an illusive disease.

S Afr J Surg

October 2024

Third Department of Surgery, National and Kapodistrian University of Athens, Attikon University Hospital, Greece.

Pneumatosis intestinalis (PI) is characterised by pathological gas infiltration into the submucosa and subserosa of the gastrointestinal tract, sometimes with an unclear pathogenesis. The clinical presentation of PI varies, with the diagnosis established via computed tomography (CT), where PI manifests as linear or bubbly gas patterns within the bowel wall. Management often necessitates surgical intervention to address potential life-threatening causes like mesenteric ischemia or bowel necrosis.

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Adulthood dietary and lifestyle patterns and risk of breast cancer: Global Cancer Update Programme (CUP Global) systematic literature review.

Am J Clin Nutr

January 2025

Research Group on Nutritional Epidemiology & Cardiovascular Physiopathology (NUTRECOR), Health Research Institute of the Balearic Islands (IdISBa), University Hospital Son Espases (HUSE), Palma de Mallorca, Spain; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III (ISCIII), Madrid, Spain.

Background: An increasing number of studies in recent years investigate various dietary and lifestyle patterns and associated breast cancer (BC) risk.

Objectives: This study aimed to comprehensively synthesize and grade the evidence on dietary and lifestyle patterns and BC risk.

Methods: Databases were systematically searched up to 31 March, 2022, for evidence from randomised controlled trials and prospective cohort studies on adherence to a dietary pattern alone or in combination with lifestyle behaviors and incidence of or mortality from primary BC in adult females.

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Allometric fat mass index and alanine aminotransferase attenuate the associations of platelet parameters with lung cancer risk.

Sci Rep

November 2024

Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, White City Campus, 90 Wood Lane, London, W12 0BZ, UK.

We have previously shown that body mass index attenuates a positive association of platelet count (PLT) and inverse of mean platelet volume (MPV) with lung cancer risk in men. It is unclear whether fat mass, lean mass, or liver function tests (LFTs) show similar attenuations. Using bioelectrical impedance measurements (UK Biobank cohort) and multivariable Cox proportional hazards models, we examined the associations of allometric fat-mass index (AFI, fat mass adjusted for height), allometric lean-mass index (ALI, fat-free mass adjusted for height and fat mass), and LFTs with lung cancer risk and their multiplicative and additive interactions with platelet parameters.

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Introduction: Amyotrophic lateral sclerosis (ALS) is a fatal neurogenerative disease with no effective treatment to date. Despite numerous clinical trials, the majority of studies have been futile in their effort to significantly alter the course of the disease. However, these studies may still provide valuable information for identifying patient subgroups and generating new hypotheses for future research.

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Percutaneous coronary interventions in vein grafts can be quite challenging, and many complications can occur during the procedure. We present a case of stent dislodgment during percutaneous coronary intervention in a vein graft. It was migrating to the proximal part of the graft and a covered stent was placed in the native vessel in order to isolate the graft.

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Breast cancer remains a major health threat throughout the world specifically in women above 30 years of age however, it is rarely known to affect men as well. It is characterized by the abnormal division of cells in the breast tissue resulting in the development of breast malignancies. Various risk factors contributing to breast cancer include age, family history, genetic mutations (chiefly in BRCA1 and BRCA2 genes) along with hormonal imbalances (oestrogen, progesterone, HER2).

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Article Synopsis
  • Osteoarthritis and rheumatoid arthritis (RA) are common chronic joint disorders, with research indicating that the prevalence of these conditions differs by sex, yet few studies have explored the underlying sociological reasons and the effects of the COVID-19 pandemic.
  • This study seeks to chart trends in the prevalence of osteoarthritis and RA by sex from 2005 to 2021, focusing on factors that may increase vulnerability during the pandemic.
  • Analysis of data from 110,225 individuals in South Korea revealed a higher prevalence of both conditions among females, particularly those aged 60 and older, with significant association found between obesity and osteoarthritis vulnerability in females but not in males.
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The first search for the Z boson decay to ττμμ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138  fb^{-1}. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.

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Molecular dynamics simulations at constant temperature and pressure were carried out to investigate the structural, dynamical, and dielectric properties of succinonitrile in its plastic and liquid phases at several thermodynamic states. A six-site united atom model was employed with a force field incorporating an intramolecular torsional term that accurately describes gauche and trans conformers. Analysis of the radial distribution function showed that succinonitrile adopts a body-centered cubic arrangement below its melting point, transitioning to a less ordered state in the liquid phase.

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Clinical utility of anti-Müllerian hormone in female children and adolescents.

Hormones (Athens)

October 2024

Department of Obstetrics and Gynecology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, 45500, Greece.

Anti-Müllerian hormone (AMH) is a dimeric glycoprotein that belongs to the transforming growth factor beta superfamily and plays essential roles in sexual differentiation and folliculogenesis. In the male embryo, AMH is produced by the Sertoli cells and induces the involution of the Müllerian ducts. In females, AMH is predominately produced by the granulosa cells of growing preantral and small antral follicles and regulates follicular maturation.

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Brain tumors, particularly Glioblastoma Multiforme (GBM) and Low-Grade Gliomas (LGG), present significant clinical challenges due to their aggressive nature and resistance to conventional treatments. Traditional therapies such as surgery, chemotherapy, and radiation are often limited in efficacy, necessitating novel therapeutic strategies. Nanotechnology, particularly the use of silver nanoparticles (Ag NPs), offers a targeted and potentially more effective approach.

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Pulmonary embolism (PE) is correlated with serious morbidity and mortality. Efforts have been made to establish and validate mortality predictive scores based mainly on clinical parameters. Patients with PE and traditional indices of echocardiographic right ventricular (RV) dysfunction or pressure overload have a higher probability of a worse outcome.

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Due to the increased prevalence of diabetes, the consumption of anti-diabetic drugs for its treatment has likewise increased. Metformin is an anti-diabetic drug that is commonly prescribed for patients with type 2 diabetes and has been frequently detected in surface water and wastewaters, thus representing an emerging contaminant. Metformin can be prescribed in combination with other classes of anti-diabetic drugs; however, these drugs are not sufficiently investigated in environmental samples.

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Multiple sclerosis (MS) frequently results in both urinary and sexual dysfunction, which significantly impairs quality of life. Conventional treatments for bladder dysfunction often prove insufficient, leading to the exploration of alternative therapies such as percutaneous tibial nerve stimulation (PTNS). This study aimed to assess the impact of PTNS on sexual function and bladder symptoms in female MS patients with neurogenic detrusor overactivity (NDO) and female sexual dysfunction (FSD).

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Recent Challenges in Diagnosis and Treatment of Invasive Candidiasis in Neonates.

Children (Basel)

September 2024

Neonatal Intensive Care Unit, School of Medicine, University of Ioannina, 45500 Ioannina, Greece.

Article Synopsis
  • * Diagnosis is often difficult because the signs are similar to bacterial infections, leading to the need for early empirical treatment to avoid delays.
  • * New diagnostic methods, like serum biomarkers and advanced techniques such as PCR and T2 magnetic resonance, are being explored to improve detection speed and accuracy, ultimately aiming to enhance treatment outcomes for affected neonates.
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Pre-implantation genetic testing (PGT) is a crucial process for selecting embryos created through assisted reproductive technology (ART). Couples with chromosomal rearrangements, infertility, recurrent miscarriages, advanced maternal age, known single-gene disorders, a family history of genetic conditions, previously affected pregnancies, poor embryo quality, or congenital anomalies may be candidates for PGT. Preimplantation genetic testing for aneuploidies (PGT-A) enables the selection and transfer of euploid embryos, significantly enhancing implantation rates in assisted reproduction.

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To Drink or Not to Drink? Investigating Alcohol's Impact on Prostate Cancer Risk.

Cancers (Basel)

October 2024

Department of Urology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece.

Background/objectives: Prostate cancer (PCa) is a significant global health issue. The relationship between alcohol consumption and PCa risk has been the subject of extensive research, yet findings remain inconsistent. This review aims to clarify the association between alcohol intake and PCa risk, its aggressiveness, and the potential metabolic pathways involved in PCa onset.

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