Publications by authors named "Tukek T"

Objective: This study aims to determine the prevalence of neuropathy in the prediabetic period.

Design Subjects And Method: Informed consent was attained from the patients who volunteered to participate in the study after ethics committee approval was obtained. Patients under the age of 18, having vitamin B12 or folic acid deficiency, history of collagen tissue-rheumatological disease, chronic kidney failure, cirrhosis, ethylism, thyroid disease, autoimmune disease, malignancy, tuberculosis, type 1 or 2 diabetes mellitus and pregnant women were excluded from the study.

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Background: The use of high-sensitivity troponin levels increases the sensitivity of the diagnosis of non-ST elevation myocardial infarction (NSTEMI). However, the inclusion of other factors in the differential diagnosis, apart from atherothrombosis causing myocardial injury, decreases the specificity of high-sensitivity troponin. In this study, we compared the efficacy of high-sensitivity troponin with serum oncostatin M in NSTEMI cases with elevated urea and creatinine.

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Objective: Past three years since the beginning of the outbreak, we have obtained satisfactory data on COVID-19. However, data on risk factors of COVID-19-associated coagulopathy (CAC) are extremely limited. Prediction of CAC might be a game changer since it is related to poor prognosis.

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Background: There are limited data regarding short- and medium-term IgG antibody levels after the CoronaVac and BNT162b2 vaccines. This study aimed to investigate the antibody responses of health workers who initially received two doses of CoronaVac one month apart followed by a booster dose of either CoronaVac or BNT162b2, as well as determine whether either vaccine provided superior results.

Methods: This research represents the second phase of a mixed-methods vaccine cohort study and was conducted between July 2021 and February 2022.

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Aims: In this study, we aimed to demonstrate the effectiveness of serum amino-terminal proCNP (NT-proCNP) levels in predicting coronary heart disease (CHD) and cardiovascular risk in type 2 diabetes mellitus (T2DM) patients.

Methods: We recruited 73 patients with T2DM in the study. Additionally, we grouped the patients according to their status of diabetic retinopathy (DR) as no DR, non-proliferative DR, or proliferative DR.

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Oxidative stress (OS), which leads to DNA damage, plays a role in the pathogenesis of Coronavirus disease 2019 (COVID-19). We aimed to evaluate the role of DNA repair gene variants [X-ray repair cross complementing 4 () rs28360071, rs6869366, and X-ray cross-complementary gene 1 ( rs25487] in susceptibility to COVID-19 in a Turkish population. We also evaluated its effect on the clinical course of the disease.

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The suppressor of the cytokine signaling-1 (SOCS1) gene is a short sequence located on chromosome 16 that functions to induce an appropriate immune response and is an essential physiological regulator of interferon (IFN) signaling. In addition to comparing the global DNA and SOCS1 gene promoter methylation status between our patients with coronavirus disease 2019 (COVID-19) and healthy controls, this study demonstrates the effect of the SOCS1 rs33989964 polymorphism on patients with COVID-19. The study group included 139 patients diagnosed with COVID-19 in our hospital's clinics between June and December 2020, and the control group included 78 healthy individuals.

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Article Synopsis
  • The study aims to compare the clinical characteristics and outcomes of hospitalized patients diagnosed with COVID-19 based on PCR test results, focusing specifically on older adults.
  • A total of 601 hospitalized adults were analyzed, revealing that both PCR-positive and negative patients had similar demographics, hospitalization durations, and outcomes, with a few notable differences in symptoms.
  • The findings suggest that PCR-positive and negative cases show similar disease patterns, but PCR-negative patients may have a weaker immune response, indicated by some worse laboratory results.
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Objective: Vitamin D has beneficial effects, some of which involve the cardiovascular system. No study to date has investigated the association between serum endocan levels, as a biomarker of endothelial inflammation, and vitamin D levels in the absence of subclinical atherosclerosis detected by carotid intima-media thickness (CIMT) in healthy individuals.

Patients And Methods: Subjects were categorized into three groups based on vitamin D levels according to Endocrine Society guidelines.

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Background: Patients with prediabetes have an increased risk of atherosclerotic cardiovascular disease; therefore, early detection is important.

Objective: The present study aimed to reveal the usability of serum endocan levels as a biomarker in the diagnosis of subclinical atherosclerosis in patients with prediabetes, based on CIMT measurements.

Methods: Participants were classified according to the presence (n=42) or absence (n=42) of prediabetes.

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Background: While there are substantial reports on the acute phase of Covid-19, the data on post-Covid phase are limited.

Aim: To report the data on older post-Covid patients comparatively with the young adults.

Study Design: Retrospective, single-center study in post-Covid outpatient clinic.

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Mannose-binding lectin 2 (MBL2) is a serine protease which is believed to be an important factor in the inherited immune system. In this article, we present a coronavirus disease 2019 (COVID-19) family of five patients: a 56-year-old father, a 51-year-old mother, two sons aged 23 and 21 years, and a 15-year-old daughter. According to the results of variant analysis performed, the father had homozygous mutant, the mother had homozygous normal, and the three children had heterozygous mutant genotype.

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Background: The purpose of this study is to evaluate the prognostic roles of hemostatic tests including prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen, D-dimer, and antithrombin III in the progression of disease, monitorization of severe, mild and moderate cases, and also to show their relationship with inflammatory markers including C-reactive protein (CRP), procalcitonin, and interleukin-6 (IL-6).

Methods: The study comprised 604 patients (360 men and 244 women) with confirmed SARS-CoV-2 infection admitted to Emergency Department of Istanbul Faculty of Medicine between March 15 and April 15, 2020. The variations in the concentration of coagulation tests and inflammatory markers were observed from the admission to hospital to the 10th day with three-day periods.

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Objective: Severe acute respiratory syndrome (SARS) coronavirus 2 (SaRS-Cov-2) associated respiratory disease (COVID-19), announced as a pandemic, is a multisystem syndrome. SARS-CoV-2 directly infects and damages vascular endothelial cells, which leads to microvascular dysfunction and promotes a procoagulant state. Dipyridamole (DP) acts as a reversible phosphodiesterase inhibitor and is used mainly as an antiplatelet agent.

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In COVID-19-induced acute respiratory distress syndrome, the lungs are incapable of filling with sufficient air, leading to hypoxemia that results in high mortality among hospitalized patients. In clinical trials, low-molecular-weight heparin was administered via a specially designed soft-mist inhaler device in an investigator initiated, single-center, open-label, phase-IIb clinical trial. Patients with evidently worse clinical presentations were classed as the "Device Group"; 40 patients were given low-molecular-weight heparin via a soft mist inhaler at a dose of 4000 IU per administration, twice a day.

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Article Synopsis
  • The study investigates gene polymorphisms in COVID-19 patients with lung involvement who initially tested negative for the virus using PCR.
  • It includes 79 COVID-19 patients and 100 healthy controls, revealing that specific gene variations (AB genotype) were more common in PCR-positive patients compared to those who tested negative but had lung issues.
  • The absence of the AB genotype significantly increases the risk of detecting lung involvement through CT scans, suggesting its potential use for early identification of affected individuals despite negative PCR results.
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Article Synopsis
  • - This study investigates the role of the Circadian Clock Protein PERIOD 3 (PER3) in COVID-19 patients, examining how its gene polymorphisms relate to immune response and circadian rhythm disturbances.
  • - Researchers analyzed 200 COVID-19 patients and 100 healthy controls, finding no significant differences in gene polymorphisms overall, but noted a higher prevalence of the 4R/5R genotype among patients who experienced worse outcomes.
  • - The results suggest that the 4R/5R genotype may be linked to increased risk of severe illness and mortality in COVID-19, paving the way for further research in this area.
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Article Synopsis
  • This study explores the incidence and risk factors for acute kidney injury (AKI) in hospitalized COVID-19 patients, highlighting its connection to poor outcomes.* -
  • Out of 770 patients, 11.9% developed AKI, which was associated with longer hospital stays, higher ICU admission rates, and an increased occurrence of cytokine storms.* -
  • AKI significantly raised the in-hospital mortality rate, indicating the need for effective management to mitigate these adverse effects in COVID-19 patients.*
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Aim: In this study, we aimed to investigate the possible role of endotrophin, a profibrotic byproduct of collagen VI, in the complex process of fibrosis development in the disease group with pulmonary fibrosis among interstitial lung diseases.

Material And Method: When the patients' participation in the study were completed, smoking or alcohol drinking conditions, and family history were recorded. Their weights and heights were recorded and body mass index (BMI) was calculated.

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Background: Laminin, one of the largest glycoproteins of the basement membrane, is an important component of the extracellular matrix. Functions of the basement membrane include regulation of cell signaling behaviors and structural support. Laminin plays a critical role in the regulation of insulin action in muscle, liver, and adipose tissue.

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Myocardial injury caused by COVID-19 was reported in hospitalized patients previously. But the information about cardiac consequences of COVID-19 after recovery is limited. The aim of the study was comprehensive echocardiography assessment of right ventricular (RV) in patients recovered from COVID-19.

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Background: The novel coronavirus infection (COVID-19) disease has spread rapidly and posed a great threat to global public health. The laboratory parameters and clinical outcomes of the disease in discharged patients remain unknown. In this study, we aimed to investigate the laboratory and echocardiographic findings of patients with COVID-19 after discharge and the relation between left ventricular global longitudinal strain (LVGLS) and inflammatory parameters in discharged patients.

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Introduction: Coronavirus has caused a pandemic since it was first detected in Wuhan in December 2019. The mortality rate is high in moderate and severe cases. Our study aimed to screen the CBC parameters as a useful predictive factor for COVID-19 resulting in critical illness.

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Insulin degludec/insulin aspart (IDegAsp) is a fixed-ratio co-formulation of insulin degludec (IDeg), which provides long-lasting basal insulin coverage, and insulin aspart (IAsp), which targets post-prandial glucose. This expert panel aimed to provide a practical and implementable guidance document to assist clinicians in prescribing IDegAsp in the diabetes management with respect to different patient populations including children and adults with type 1 diabetes (T1D) or type 2 diabetes (T2D) as well as pregnant, elderly and hospitalized patients and varying practice patterns (insulin-naive, insulin-treated, switching from basal, basal bolus and premix regimens). The experts recommended that IDegAsp can be used in insulin-naive T2D patients with poor glycemic control (HbA1c >8.

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