Publications by authors named "Omer Tekin"

Background And Aims: During liver transplantation, hepatocellular carcinoma (HCC) recurrence remains a critical challenge for patient survival. Targeted therapies, such as sorafenib and regorafenib, have been utilized to manage relapsed HCC in this unique setting. This study aimed to assess the efficacy of Sorafenib and Regorafenib in patients with HCC who experienced recurrence after liver transplantation.

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  • * The results showed significant improvements in shoulder abduction angles and cosmetic scores, with patients experiencing better outcomes one year post-surgery.
  • * IONM effectively reduced the risk of brachial plexus damage during the procedure, with no major complications or infections reported among the patients.
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Background: The increasing burden of dengue virus on public health due to more explosive and frequent outbreaks highlights the need for improved surveillance and control. Genomic surveillance of dengue virus not only provides important insights into the emergence and spread of genetically diverse serotypes and genotypes, but it is also critical to monitor the effectiveness of newly implemented control strategies. Here, we present DengueSeq, an amplicon sequencing protocol, which enables whole-genome sequencing of all four dengue virus serotypes.

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(1) Background: The hospitality industry is known for exposing employees to work stress, which can lead to work-related burnout and high turnover rates. This study aims to examine the relationships between work stress, work-related burnout, and turnover intention. It also explores the mediating role of work-related burnout and the moderating role of job security and financial dependence.

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  • The study investigates the use of next-generation sequencing to identify genetic mutations related to antibiotic resistance in clinical samples, particularly focusing on the bacterium that is challenging to culture and requires molecular methods for detection.* -
  • In the analysis of 98 specimens, the researchers found mutations in 94 samples, totaling 469 single nucleotide polymorphisms (SNPs), which could help create comprehensive drug resistance profiles for macrolides and fluoroquinolones within a typical turnaround time of 3 days.* -
  • The proposed method promises to enhance the understanding and diagnosis of antibiotic resistance mechanisms, paving the way for its potential adoption in clinical laboratories after thorough validation.*
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  • The study explores how a competitive psychological environment in organizations affects employee performance and productivity, highlighting the risks of mishandling this environment.
  • Data from 523 employees in the hospitality industry indicates that a competitive work atmosphere increases workplace envy, negatively impacting teamwork and cooperation (interpersonal citizenship behavior).
  • Organizational justice is found to reduce the negative effects of competitive climate, suggesting that fair treatment can help mitigate workplace envy and its consequences.
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This study examines the relationship between perceived workplace toxicity and stress of employees in the hospitality industry and emotional eating behaviors within the context of their physical activity levels. A cross-sectional design from amongst the quantitative research methods was used, in which data were collected via questionnaires from 846 participants who work in five-star hotels in Alanya, Turkey. The study concluded that workplace toxicity positively predicts stress and emotional eating, and the impact of workplace toxicity on emotional eating occurs via stress.

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Background: The increasing burden of dengue virus on public health due to more explosive and frequent outbreaks highlights the need for improved surveillance and control. Genomic surveillance of dengue virus not only provides important insights into the emergence and spread of genetically diverse serotypes and genotypes, but it is also critical to monitor the effectiveness of newly implemented control strategies. Here, we present DengueSeq, an amplicon sequencing protocol, which enables whole-genome sequencing of all four dengue virus serotypes.

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This study examines the effects of dispositional greed, impulsivity, food satisfaction, and ecolabeling on consumers' plate waste in all-inclusive hotels. Using a moderated mediation research model, a cross-sectional survey was conducted among 1253 tourists of different nationalities, all staying in five-star hotels in Alanya, Türkiye. The results show that both dispositional greed and impulsivity positively predict and significantly contribute to plate waste.

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Organizational toxicity is a key organizational issue today, impacting the success of both employees and organizations negatively alike. Negative working conditions revealed by organizational toxicity pave the way for an organizational atmosphere to arise, which negatively influences the physical and psychological well-being of employees, causing burn-out syndrome and depression. Thus, organizational toxicity is observed to have a destructive impact on employees and can threaten the future of companies.

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  • The COVID-19 pandemic created significant stress for hospitality employees, affecting their health and job security, which in turn can lead to increased turnover intentions (TI).
  • This study investigates the relationships between perceived organizational support (POS), organizational commitment (OC), and TI, considering employees' infection status and feelings of job insecurity (JI).
  • By analyzing data from 490 employees in Alanya, Turkey, the research highlights how POS influences OC and TI differently based on whether employees have been infected or feel insecure about their jobs, offering insights to help reduce stress and turnover during such crises.
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To compare the seropositivity rate of cancer patients with noncancer controls after inactive SARS-CoV-2 vaccination and evaluate the factors affecting seropositivity. Spike IgG antibodies against SARS-CoV-2 were measured in blood samples of 776 cancer patients and 715 noncancer volunteers. An IgG level ≥50 AU/ml is accepted as seropositive.

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Lung ultrasound (LUS) is a practical diagnostic tool for several lung pathologies. Pocket sized USG devices (PSUDs) are more affordable, accessible, practical, and learning to use them is easier than standard ultrasound devices (SUDs). Their capability in image quality have been found as comparable with standard USG machines.

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Background: Pulmonary hypertension (PHT) is very frequent in ICUs. Estimation of systolic pulmonary artery pressure (PASP) by using tricuspid regurgitation velocity (TRV) is impossible in 25% of patients. However, it may be possible to estimate PHT in these patients by obtaining subxiphoid imaging of short axis (SX-SAX) and measuring pulmonary artery diameter (PAD) and right ventricular outflow tract (RVOT) acceleration time (AT).

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Background: Sick building syndrome (SBS) is defined as a condition occurring in those who live or work in a modern building and who suffer from symptoms such as headache, fatigue, lack of concentration and irritation of the skin and mucous membranes.

Objectives: The aim of this study was to evaluate the relationship between personal characteristics, environmental factors and the prevalence of SBS among the secretaries working in a hospital.

Method: In this cross-sectional study, questionnaires were administered to all secretaries who were working in Kutahya hospital in January and March 2018.

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