Publications by authors named "Tabak F"

Purpose: In this study, we aimed to study the role of extracellular proteins as biomarkers associated with newly diagnosed Type 1 diabetes (NT1D) diagnosis and prognosis.

Patients And Methods: We retrieved and analyzed the GSE55098 microarray dataset from the Gene Expression Omnibus (GEO) database. Using R software, we screened out the extracellular protein-differentially expressed genes (EP-DEGs) through several protein-related databases.

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Objectives: Mental health (MH) care for people living with HIV (PLWH) emerges as an important unmet need, yet there are no integrated HIV-MH clinics in Turkey. Our aim is to determine MH service use and its associated factors in PLWH followed up in the HIV/AIDS outpatient clinics in Istanbul/Turkey.

Methods: A cross-sectional study was conducted at the HIV/AIDS outpatient clinics of the Infectious Diseases (ID) departments in hospitals affiliated with the ACTHIV-IST Study Group.

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Serological studies with pseudotyped viruses offer a safer alternative to live SARS-CoV-2 in evaluating neutralizing antibodies, enabling research in standard labs. The SARS-CoV-2 Spike pseudotyped vesicular stomatitis virus (VSV) pseudoviruses were generated using Spike of Wuhan strain and two variants (B.1.

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Background: Emerging carbapenem-resistant () (CRKP) bacteremias are presenting significant public health risks due to limited treatment options and increased mortality. isolates exhibit carbapenem resistance rates that vary from 25% to 50% throughout the European continent, including our country.

Aims: To assess the characteristics of CRKP bacteremia, a condition that has recently demonstrated an increasing prevalence in our center.

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Article Synopsis
  • Abacavir is a commonly used initial HIV treatment that can cause hypersensitivity reactions (HSR) linked to the HLA-B*57:01 allele, which can be serious and limit treatment options.
  • A study in Istanbul involved 867 treatment-naïve HIV patients to assess the prevalence of HLA-B*57:01 and found that 1.6% were positive, with four of those patients switched from abacavir-based therapy.
  • This prevalence data is lower than previous reports (3-3.6%) and suggests that HLA-B*57:01 screening is important for effective and safe HIV treatment planning in Turkey.
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Objective: Urinary tract infections (UTIs) due to extended-spectrum beta-lactamase (ESBL) producing and are among the leading causes of morbidity and mortality in older adults. Identifying associated factors for ESBL production may contribute to more appropriate empirical treatment.

Materials And Methods: This was a prospective observational study.

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Background: Iatrogenic colonoscopy perforation (ICP) is a rare but most serious complication during colonoscopy investigation. However, endoscopic closure plays an important role in the dealing with ICP with the development of endoscopic techniques presently, there are still some portion of patients transferred to surgery.

Methods: Once a perforation was detected, endoclips were used to closed the defect of the colon.

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Pretreatment and post-treatment performances of noninvasive fibrosis indices were determined in patients with chronic hepatitis B. This was a retrospective, single-center study. The best area under the receiver operating characteristic curve values were detected for aspartate aminotransferase-to-alanine aminotransferase ratio (0.

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T.marneffei, encountered mostly in Southeast Asia, leads to a systemic infection, especially in immunocompromised individuals such as HIV-infected patients with low CD4 level. A 32-year-old male patient, residing in Hong Kong for the last two years, admitted with fever, cough, weakness, and weight loss.

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Background/aims: Discontinuation of nucleos(t)ide analog is controversial in HBeAg-negative chronic hepatitis B patients not achieved HBsAg loss. We aimed to evaluate re-treatment rates and risk factors in non-cirrhotic HbeAg-negative chronic hepatitis B patients for whom nucleosi(t)ides analogs were discontinued.

Materials And Methods: Demographic, clinical, and laboratory data before and at the end after discontinuation of nucleos(t)ide analogs were collected retrospectively.

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Aims: This study aimed to determine HIV incidence and prevalence in Turkey and to estimate the cost-effectiveness of improving testing and diagnosis in the next 20 years.

Background: HIV incidence in Turkey has been rapidly increasing in the last decade with a particularly high rate of infection for younger populations, which underscores the urgent need for a robust prevention program and improved testing capacity for HIV.

Methods: We developed a dynamic compartmental model of HIV transmission and progression among the Turkish population aged 15-64 and assessed the effect of improving testing and diagnosis.

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Background: Human immunodeficiency virus (HIV) is still a challenge for children. About 15 to 45% of the HIV positive pregnant women can transmit the virus to their children during pregnancy, delivery and/or breastfeeding. The risk of transmission can be decreased my several measures.

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Hepatitis D virus (HDV) infection represents the most serious form of chronic hepatitis. Turkey is among the countries with high HDV and intermediate hepatitis B virus prevalence. In Turkey, hepatitis B virus (HBV) vaccine series was included in the routine vaccination program in 1998.

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Background: People who inject drugs (PWID) should be treated in order to eliminate hepatitis C virus in the world. The aim of this study was to compare direct-acting antivirals treatment of hepatitis C virus for PWID and non-PWID in a real-life setting.

Methods: We performed a prospective, non-randomized, observational multicenter cohort study in 37 centers.

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Background: Remdesivir, which was first developed for the treatment of Ebola disease but failed to meet expectations, has become hope in the fight against the COVID-19 pandemic. This study aimed to evaluate risk factors for mortality and prognosis of adult moderate/severe COVID-19 patients treated with remdesivir, and safety and tolerability of 5 days of remdesivir treatment.

Methods: This multicenter prospective observational study was conducted in 14 centers in Turkey.

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Background: The number and proportion of elderly patients living with chronic hepatitis C are expected to increase in the coming years. We aimed to compare the real-world efficacy and safety of direct-acting antiviral treatment in elderly and younger Turkish adults infected with chronic hepatitis C.

Methods: In this multicenter prospective study, 2629 eligible chronic hepatitis C patients treated with direct-acting antivirals between April 2017 and December 2019 from 37 Turkish referral centers were divided into 2 age groups: elderly (≥65 years) and younger adults (<65 years) and their safety was compared between 2 groups in evaluable population.

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Background/aims: We aimed to explore long-term results of oral antiviral agents in treatment-naïve "HBeAg negative chronic hepatitis B (CHB)" and determine the factors affecting the complete virological response.

Method: Patients with HBeAg-negative CHB who used oral antiviral agents for at least 3 years were evaluated retrospectively.

Results: A total of 173 patients were recorded.

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Background: Critically ill COVID-19 patients are prone to bloodstream infections (BSIs).

Aim: To evaluate the incidence, risk factors, and prognosis of BSIs developing in COVID-19 patients in the intensive care unit (ICU).

Methods: Patients staying at least 48 h in ICU from 22 March 2020 to 25 May 2021 were included.

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Background: Epidemiology of nosocomial infections may show variability because of under-estimation of infection control measures (ICMs) in coronavirus disease 19 (COVID-19) outbreak.

Aim: To investigate the Acinetobacter bacteremia outbreak developed in an intensive care unit (ICU) between March 20 to May 15, 2020, examine the risk factors, and re-evaluate ICM retrospectively.

Material And Methods: A retrospective cohort analysis was conducted to determine the risk factors, pulsed field gel electrophoresis (PFGE) was performed for analysis of the outbreak, ICM practices were observed by a team, and infection control interventions were undertaken.

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Article Synopsis
  • The study examined the side effects and disease flares after COVID-19 vaccination in patients with Behçet's syndrome (BS), familial Mediterranean fever (FMF), and other rheumatic diseases (RD) by conducting telephone interviews with participants who received either Pfizer/BioNTech or Sinovac/CoronaVac.
  • Vaccination with BioNTech showed significantly better efficacy against COVID-19 compared to CoronaVac across all patient groups, but patients vaccinated with BioNTech also reported a higher frequency of adverse events.
  • The majority of reported adverse events were mild to moderate, but a notable percentage of patients experienced significant disease flares, particularly those with BS and FMF, necessitating medical attention.
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Background: COVID-19 is associated with acute respiratory distress and cytokine release syndrome. The Janus kinase (JAK)1/JAK2 inhibitor ruxolitinib reduces inflammatory cytokine concentrations in disorders characterised by cytokine dysregulation, including graft-versus-host disease, myelofibrosis, and secondary hemophagocytic lymphohistiocytosis. We assessed whether treatment with the JAK1/JAK2 inhibitor ruxolitinib would be beneficial in patients with COVID-19 admitted to hospital.

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Myroides spp. are opportunistic environmental Gram-negative bacteria. These affect mostly immunocompromised hosts and generally lead to soft tissue, and urinary tract infections.

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Background: Efficacy of elvitegravir/cobicistat/emtricitabine/tenofovir disoproxil (E/C/F/TDF) in treatment-naïve and experienced patients with HIV infection was demonstrated in phase 3 trials. The primary objective of this study was to evaluate effectiveness and safety of E/C/F/TDF in real world settings.

Methods: Retrospective, observational data collected by the Turkish ACTHIV-IST study group between May 2015 and December 2016 were analysed.

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Aims: The COVID-19 pandemic has substantially changed lives and presented several barriers to health services. HIV care continuum needs a high rate of diagnosis, effective treatment, and sustained suppression of viral replication. The COVID-19 pandemic has affected these three steps of HIV care.

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