Seval Özen

ORCID: 0000-0001-8342-3786
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About
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Research Areas
  • Fungal Infections and Studies
  • Tuberculosis Research and Epidemiology
  • Infectious Diseases and Tuberculosis
  • Antibiotic Resistance in Bacteria
  • Kawasaki Disease and Coronary Complications
  • COVID-19 Clinical Research Studies
  • Antifungal resistance and susceptibility
  • Streptococcal Infections and Treatments
  • Pneumonia and Respiratory Infections
  • Respiratory viral infections research
  • Parvovirus B19 Infection Studies
  • Autoimmune and Inflammatory Disorders Research
  • Infective Endocarditis Diagnosis and Management
  • Infections and bacterial resistance
  • Long-Term Effects of COVID-19
  • SARS-CoV-2 and COVID-19 Research
  • Immunodeficiency and Autoimmune Disorders
  • Breast Lesions and Carcinomas
  • Mycobacterium research and diagnosis
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Bacterial Identification and Susceptibility Testing
  • Vasculitis and related conditions
  • Adolescent and Pediatric Healthcare
  • Cancer and Skin Lesions
  • Retinal and Optic Conditions

Memorial Ankara Hospital
2022-2024

Başkent University
2024

Hacettepe University
2024

Ankara Bilkent City Hospital
2023-2024

Bilkent University
2023-2024

Sağlık Bilimleri Üniversitesi
2024

Ankara Yıldırım Beyazıt University
2023

Adıyaman University
2022

Ankara University
1988-2022

Pediatric Infectious Diseases Society
2020

Aim Multisystem inflammatory syndrome in children (MIS‐C) may cause shock and even death children. The aim of this study is to describe the clinical features, laboratory characteristics outcome diagnosed with MIS‐C 25 different hospitals Turkey. Methods retrospective was conducted between 8 April 28 October 2020 from 17 cities. Data were collected patients' medical records using a standardised form. Clinical outcomes according age groups, gender body mass index percentiles compared...

10.1111/jpc.15913 article EN Journal of Paediatrics and Child Health 2022-02-24

Herbaspirillum species are nonfermenting, aerobic, helical or curved, Gram-negative bacteria belonging to the class Betaproteobacteria, order Burkholderiales. To date, only a few studies have reported on epidemiology, clinical symptoms, antibiotic susceptibility profiles, treatment and outcomes of huttiense -related infections in pediatric patients.

10.1097/inf.0000000000004350 article EN The Pediatric Infectious Disease Journal 2024-04-08

This study aimed to retrospectively evaluate the baseline and follow-up viral loads clearance times in cases followed for asymptomatic symptomatic congenital cytomegalovirus (cCMV) infection between August 2010 2022. Among 93 cases, they had (n: 55) 38). The median blood load detected cCMV (ScCMV) (13 054 IU/mL) was significantly higher than that of (AcCMV) (4636 (p < 0.013). There no difference (75 90 days, respectively) viremic ScCMV AcCMV groups. were differences (6930 IU/mL 14 268 IU/mL,...

10.1002/jmv.29853 article EN Journal of Medical Virology 2024-08-01

Background and objective: Hemophagocytic lymphohistiocytosis (HLH) is a life threatening hyper inflammatory disease. It difficult to differentiate between primary secondary HLH based on clinical findings at the onset of We aimed find parameters that can help initial diagnosis especially for physicians working in developing countries.Patient Method: retrospectively analyzed data 38 patients who were admitted Pediatric Hematology Department Gaziantep University January 2009 December...

10.4084/mjhid.2014.067 article EN cc-by-nc Mediterranean Journal of Hematology and Infectious Diseases 2014-10-27

We compared the incidence of rheumatic heart disease in elementary schoolchildren from low and high socioeconomic groups; children one schools were rescreened 10 years later. The results showed that was significantly higher group but it is gradually declining.

10.1136/adc.63.12.1501 article EN Archives of Disease in Childhood 1988-12-01

There is limited data on the pattern and severity of myocardial injury in patients with COVID-19 vaccination associated myocarditis.We aimed to define damage occurring after BNT162b2 vaccination, raise awareness about adverse reactions developing determine patterns scope Cardiac magnetic resonance imaging (MRI) findings.A total 9 diagnosed vaccine-associated myopericarditis were followed up.The mean age patient at diagnosis was 15.3 ± 1.0 (range: 14-17) years, all male. Seven presented...

10.1080/23744235.2022.2157478 article EN Infectious Diseases 2022-12-28

<h3>Background:</h3> The deficiency of adenosine deaminase 2 enzyme (DADA2), a hereditary autoinflammatory condition due <i>ADA2</i> deficiency, disrupts vascular integrity, increases proinflammatory macrophages, and triggers inflammation via tumor necrosis factor (TNF). <h3>Objectives:</h3> Investigating real-world outcomes, our focus is on anti-TNF agents as primary treatment for individuals with DADA2, acknowledging TNF's pivotal role in the disease. <h3>Methods:</h3> This descriptive...

10.1136/annrheumdis-2024-eular.2760 article EN Annals of the Rheumatic Diseases 2024-06-01

Objective: Functional gastrointestinal disorders (FGIDs) encompass a range of chronic conditions unknown etiology, including functional dyspepsia, irritable bowel syndrome, abdominal pain, and constipation. The exact pathogenic mechanisms behind tuberculosis (TB) are unclear. This study aimed to investigate whether children with previous TB at an increased risk developing FGIDs after completion treatment. Materials Methods: A total 35 patients diagnosed (age range, 24 216 months) 49 age-...

10.59213/tp.2024.181 article EN Trends in Pediatrics 2024-12-31

<h3>Background:</h3> Increased understanding of pathophysiological mechanisms now confirms that systemic juvenile arthritis (sJIA) and adult-onset Still's disease (AOSD) represent a single clinical entity, differentiated only by age onset - below or above 16 years. Recent literature has documented subset pediatric patients with severe presentations (recurrent macrophage activation syndromes (MAS), reactions to biologics, early before 2 years age) who are prone develop lung (LD) [1]. Despite...

10.1136/annrheumdis-2024-eular.6042 article EN Annals of the Rheumatic Diseases 2024-06-01

Abstract The increasing incidence of invasive fungal infections, coupled with the growing population immunocompromised patients, has led to an increased need for antifungal agents. newest azole, isavuconazole, plays important role in treatment aspergillosis adults due its broad spectrum, tolerability, and no therapeutic drug monitoring. This agent, which not yet been approved use children, significant problems supply Türkiye. We present response isavuconazole combination therapy used salvage...

10.1055/s-0044-1788048 article EN Journal of Pediatric Infectious Diseases 2024-07-01

Abstract Current data on fosfomycin usage in children are limited. We present the clinical use of intravenous (IV) children. Hospitalized patients who received ≥3 days IV between April 2021 and March 2023 were analyzed retrospectively. Forty-three episodes infection 39 evaluated. The mean age was 5.35 (10 to 17.5 years) years, 54% male. Infections hospital-acquired 79% episodes. Indications for urinary tract (35%), bacteremia (32.6%), catheter-related bloodstream (16.3%), soft tissue (4.7%),...

10.1093/tropej/fmae029 article EN Journal of Tropical Pediatrics 2024-08-10

To The Editors: In December 2022, World Health Organization and European Centre for Disease Prevention Control published that in some countries, such as France, Ireland the Netherlands, there was an increase number of cases invasive Group A streptococcus (iGAS) disease children under age 10 years, which increased especially after September. It has been emphasized this may be related to recently incidence respiratory viruses, including influenza syncytial virus (RSV).1,2 Most UK, iGAS...

10.1097/inf.0000000000003926 article EN The Pediatric Infectious Disease Journal 2023-03-30

We report a case of 3-month-old Turkish girl who had clinical and laboratory features Glanzmann's thrombasthenia associated with asymmetric crying facies (ACF). Although ACF is minor anomaly, it should not be forgotten that can accompanied by major congenital anomalies if this finding detected, other investigated.

10.1097/mbc.0b013e3283658ab2 article EN Blood Coagulation & Fibrinolysis 2013-10-18

Invasive aspergillosis (IA) is an important cause of morbidity and mortality in immunosuppressed children. Early detection the infection can improve prognosis this patient population.To investigate utility Aspergillus galactomannan antigen assay (GM-EIA) as a diagnostic tool for IA at-risk paediatric patients.For study, 659 GM-EIA results from 59 patients diagnosed with 3368 351 subjects without evidence (controls) were reviewed retrospectively. Three cut-off values (i.e. ≥0.5, ≥1, ≥1.5)...

10.1080/23744235.2021.2008486 article EN Infectious Diseases 2021-11-29

Abstract Objective Routine screening of household members index cases is a priority in regions where brucellosis endemic. This study aimed to identify seropositive and seronegative pediatric patients by the siblings our diagnosed with (index cases) investigate relationships among these groups comparatively evaluating their demographic, epidemiological, clinical, laboratory characteristics. Methods Eighty-five 59 acute were evaluated. A total 144 children included study. Results Among 85...

10.1055/s-0042-1757881 article EN Journal of Pediatric Infectious Diseases 2022-10-19

Abstract Objective Encouraged by reports of favorable outcomes following the use corticosteroids in patients with moderate-to-severe coronavirus 2019 (COVID-19) pneumonia, we aimed to present our experience early short-term corticosteroid at center pediatric COVID-19 pneumonia. Methods One hundred and twenty-nine were included study. Patients divided into four groups according type dose given: Group 1 (those receiving dexamethasone 0.15 mg/kg/d); 2 methylprednisolone 3 4 pulse 10–30...

10.1055/s-0042-1759529 article EN Journal of Pediatric Infectious Diseases 2022-12-01
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