CXCL13 levels in cerebrospinal fluid in relapsing-remitting multiple sclerosis: The role of Borrelia in neuroinfections.

Background Objectives: This study was compared the Borrelia antibodies and chemokine ligand 13 (CXCL13) levels in cerebrospinal fluid (CSF) samples from cases diagnosed with relapsing-remitting multiple sclerosis (RRMS), radiologically isolated syndrome (RIS), and pseudotumour cerebri (PTC).

Methods: A total of 43 CSF samples were collected from patients diagnosed with RRMS, RIS and PTC. We prospectively investigated Borrelia IgG and IgM antibodies in the CSF samples of the cases by enzyme-linked immunosorbent assay (ELISA) and Western blot (WB) method, and CXCL13 levels by ELISA.

Identifying risk factors for blood culture negative infective endocarditis: An international ID-IRI study.

Background: Blood culture-negative endocarditis (BCNE) is a diagnostic challenge, therefore our objective was to pinpoint high-risk cohorts for BCNE.

Methods: The study included adult patients with definite endocarditis. Data were collected via the Infectious Diseases International Research Initiative (ID-IRI).

Prospective analysis of febrile neutropenia patients with bacteraemia: the results of an international ID-IRI study.

Objectives: Bacteraemia during the course of neutropenia is often fatal. We aimed to identify factors predicting mortality to have an insight into better clinical management.

Methods: The study has a prospective, observational design using pooled data from febrile neutropenia patients with bacteraemia in 41 centres in 16 countries.

In a Real-Life Setting, Direct-Acting Antivirals to People Who Inject Drugs with Chronic Hepatitis C in Turkey.

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.

Efficacy and Safety of Direct-Acting Antivirals in Elderly Patients with Chronic Hepatitis C: A Nationwide Real-Life, Observational, Multicenter Study from Turkey.

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.

Are We Aware of the Neurological Manifestations of Cytomegalovirus Infection in Immunocompetent Individuals?

Background: While cytomegalovirus (CMV) infection usually causes disease in immunosuppressed individuals, it mostly progresses as an asymptomatic infection in healthy adults. However, very rarely, immunocompetent individuals may also suffer from encephalitis and stroke.

Methods: Nine patients who were admitted to the Neurology Clinic of Abant Izzet Baysal University Faculty of Medicine from 2016 to 2020 who had various neurological symptoms and were diagnosed with CMV infection were retrospectively analyzed.

A novel id-iri score: development and internal validation of the multivariable community acquired sepsis clinical risk prediction model.

We aimed to develop a scoring system for predicting in-hospital mortality of community-acquired (CA) sepsis patients. This was a prospective, observational multicenter study performed to analyze CA sepsis among adult patients through ID-IRI (Infectious Diseases International Research Initiative) at 32 centers in 10 countries between December 1, 2015, and May 15, 2016. After baseline evaluation, we used univariate analysis at the second and logistic regression analysis at the third phase.

Clinicopathological profile of gastrointestinal tuberculosis: a multinational ID-IRI study.

Data are relatively scarce on gastro-intestinal tuberculosis (GITB). Most studies are old and from single centers, or did not include immunosuppressed patients. Thus, we aimed to determine the clinical, radiological, and laboratory profiles of GITB.

Portraying infective endocarditis: results of multinational ID-IRI study.

Infective endocarditis is a growing problem with many shifts due to ever-increasing comorbid illnesses, invasive procedures, and increase in the elderly. We performed this multinational study to depict definite infective endocarditis. Adult patients with definite endocarditis hospitalized between January 1, 2015, and October 1, 2018, were included from 41 hospitals in 13 countries.

Predictors of unfavorable outcome in neurosyphilis: Multicenter ID-IRI Study.

Neurosyphilis (NS) has different clinical manifestations and can appear during any stage of syphilis. We aimed to identify the factors affecting poor outcome in NS patients. Patients with positive cerebrospinal fluid Venereal Disease Research Laboratory test, and positive serological serum treponemal or nontreponemal tests were classified as definite NS.

Vasculitis and neurobrucellosis: Evaluation of nine cases using radiologic findings.

Background: Brucellosis is an important multisystemic disease with many different clinical symptoms, and its early diagnosis and treatment are possible. Neurobrucellosis (NB) is a rare but serious finding of brucellosis. Brucella can be seen as meningitis and encephalopathy, and it can cause cranial nerve pathologies, vascular syndromes, myopathy, spinal diseases, and psychiatric disorders.

Turkey 2017 Clinical Practice Guidelines on recommendations for screening diagnosing and managing hepatitis C virus.

The present guideline updates the Turkish recommendations for the screening, diagnosis and management of Hepatitis C virus (HCV) infection prepared by the Turkish Association for the Study of the Liver (TASL) and Viral Hepatitis Society (VHS). The aim of this guidance was to provide updates recommendations to physicians, who are interested in HCV care on the optimal screening, diagnosis and pre-treatment management for patients with HCV infection in Turkey. These recommendations, produced by panel experts, were aimed to addresses the management issues ranging from diagnosis and linkage to care, to the optimal treatment regimen in patients with HCV infection.

Quality of life and related factors among chronic hepatitis B-infected patients: a multi-center study, Turkey.

Background: The aim of this study was to assess health-related quality of life (HRQOL) among chronic hepatitis B (CHB) patients in Turkey and to study related factors.

Methods: This multicenter study was carried out between January 01 and April 15, 2015 in Turkey in 57 centers. Adults were enrolled and studied in three groups.

Cranial imaging findings in neurobrucellosis: results of Istanbul-3 study.

Objective: Neuroimaging abnormalities in central nervous system (CNS) brucellosis are not well documented. The purpose of this study was to evaluate the prevalence of imaging abnormalities in neurobrucellosis and to identify factors associated with leptomeningeal and basal enhancement, which frequently results in unfavorable outcomes.

Methods: Istanbul-3 study evaluated 263 adult patients with CNS brucellosis from 26 referral centers and reviewed their 242 magnetic resonance imaging (MRI) and 226 computerized tomography (CT) scans of the brain.

Pegylated interferon therapy during early pregnancy for hepatitis B infection: does it prevent vertical transmission?

In general, interferon (IFN) is avoided during pregnancy due to the possibility of fetal side effects. We, herein, reported two child-bearing women with chronic hepatitis B (HB) infection who used pegylated interferon alfa 2b (PEG IFNα 2b) in first trimester unintentionally. We compared HB contracting rates of gestations in which IFN was used and not used.

Evaluation of Dual Therapy in Real Life Setting in Treatment-Naïve Turkish Patients with HCV Infection: A Multicenter, Retrospective Study.

Background: Before the introduction of direct-acting antivirals in the treatment of chronic hepatitis C patients, the combination of peginterferon alpha and ribavirin was the standard therapy. Observational studies that investigated sustained virological response (SVR) rates by these drugs yielded different outcomes.

Aims: The goal of the study was to demonstrate real life data concerning SVR rate achieved by peginterferon alpha plus ribavirin in patients who were treatment-naïve.

Comparison of brucellar and tuberculous spondylodiscitis patients: results of the multicenter "Backbone-1 Study".

Background Context: No direct comparison between brucellar spondylodiscitis (BSD) and tuberculous spondylodiscitis (TSD) exists in the literature.

Purpose: This study aimed to compare directly the clinical features, laboratory and radiological aspects, treatment, and outcome data of patients diagnosed as BSD and TSD.

Study Design: A retrospective, multinational, and multicenter study was used.

Evaluation of hepatitis B virus transmission and antiviral therapy among hepatitis B surface antigen-positive pregnant women.

Aim: The aim of the present study was to assess the potential risk of hepatitis B virus (HBV) vertical transmission among Turkish parturient women and to evaluate the efficacy and safety of antiviral agents.

Material And Methods: Data were collected retrospectively from 114 HBV-infected pregnant women and their infants in eight health institutions in Turkey.

Results: The baseline characteristics of the women were: mean age, 28.

Impact of the International Nosocomial Infection Control Consortium (INICC) Multidimensional Hand Hygiene Approach, over 8 years, in 11 cities of Turkey.

Aims: To evaluate the effectiveness of the International Nosocomial Infection Control Consortium (INICC) Multidimensional Hand Hygiene Approach in Turkey and analyse predictors of poor hand hygiene compliance.

Design: An observational, prospective, interventional, before-and-after study was conducted from August 2003 to August 2011 in 12 intensive care units (ICU) of 12 hospitals in 11 cities. The study was divided into a baseline and a follow-up period and included random 30-minute observations for hand hygiene compliance in ICU.

Tuberculous and brucellosis meningitis differential diagnosis.

Background: The Thwaites and Lancet scoring systems have been used in the rapid diagnosis of tuberculous meningitis (TBM). However, brucellar meningoencephalitis (BME) has similar characteristics with TBM. The ultimate aim of this study is to infer data to see if BME should be included in the differential diagnosis of TBM when these two systems suggest the presence of TBM.

Surgical site infection rates in 16 cities in Turkey: findings of the International Nosocomial Infection Control Consortium (INICC).

Background: Surgical site infections (SSIs) are a threat to patient safety; however, there were no available data on SSI rates stratified by surgical procedure (SP) in Turkey.

Methods: Between January 2005 and December 2011, a cohort prospective surveillance study on SSIs was conducted by the International Nosocomial Infection Control Consortium (INICC) in 20 hospitals in 16 Turkish cities. Data from hospitalized patients were registered using the Centers for Disease Control and Prevention (CDC) National Healthcare Safety Network (NHSN) methods and definitions for SSIs.

International Nosocomial Infection Control Consortium (INICC) national report on device-associated infection rates in 19 cities of Turkey, data summary for 2003-2012.

Background: Device-associated healthcare-acquired infections (DA-HAI) pose a threat to patient safety, particularly in the intensive care unit (ICU). We report the results of the International Infection Control Consortium (INICC) study conducted in Turkey from August 2003 through October 2012.

Methods: A DA-HAI surveillance study in 63 adult, paediatric ICUs and neonatal ICUs (NICUs) from 29 hospitals, in 19 cities using the methods and definitions of the U.

Mortality indicators in pneumococcal meningitis: therapeutic implications.

Background: The aim of this study was to delineate mortality indicators in pneumococcal meningitis with special emphasis on therapeutic implications.

Methods: This retrospective, multicenter cohort study involved a 15-year period (1998-2012). Culture-positive cases (n=306) were included solely from 38 centers.

Withdrawal of Staphylococcus aureus from intensive care units in Turkey.

Background: In the past, Staphylococcus aureus infections have displayed various patterns of epidemiologic curves in hospitals, particularly in intensive care units (ICUs). This study aimed to characterize the current trend in a nationwide survey of ICUs in Turkey.

Methods: A total of 88 ICUs from 36 Turkish tertiary hospitals were included in this retrospective study, which was performed during the first 3 months of both 2008 (period [P] 1) and 2011 (P2).