Publications by authors named "Demirci A"

Objective: To evaluate whether the systemic immune-inflammation index (SII), neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and De-Ritis ratio (DRR) are determinants of progression-free survival (PFS), recurrence-free survival (RFS) and overall survival (OS) in patients aged ≥ 70 years diagnosed with non-muscle invasive bladder cancer (NMIBC).

Method: The study included 173 elderly patients diagnosed with NMIBC between January 2015 and March 2022. The clinical and pathological data of the patients were examined.

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Research on natural antioxidants derived from plants has surged due to their potential health benefits. In the current study, the chemical composition, enzyme inhibitory activity, and antimicrobial effects of the Elaeagnus angustifolia L. plant, including leaves, flowers, and flower stalk (FS) extracts, were analyzed.

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Purpose: We examined the effectiveness of proprietary and open large language models (LLMs) in detecting disease presence, location, and treatment response in pancreatic cancer from radiology reports.

Methods: We analyzed 203 deidentified radiology reports, manually annotated for disease status, location, and indeterminate nodules needing follow-up. Using generative pre-trained transformer (GPT)-4, GPT-3.

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Objectives: This study aims to evaluate Turkish patient-reported outcome measures (PROM) used in voice disorders using different readability formulas and to examine the relationship between text-based features and readability values.

Study Design: A search was conducted to identify published Turkish PRO questionnaires related to dysphonia that are completed by patients.

Methods: A search was conducted to identify published PROM related to dysphonia that are completed by patients in a self-administered format.

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Empathy, defined as the ability to understand and share another person's feelings, is crucial in the healthcare setting, particularly for patients with cancer who face significant psychosocial challenges. We aimed to develop a novel tool, the Empathy, Life with Cancer, and Psychosocial Skills (ELPIS) Scale that prioritizes emotional and cognitive components in order to determine the reflection of the negative stigmatization of cancer in societies on individuals, excluding the behavioral and ethical dimensions of empathy. The study was conducted using a quantitative research design with a sample of first- and second-year medical students in Türkiye.

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The neural tube abnormality known as split cord malformation (SCM) is characterized by longitudinally separated functional hemicords. SCM is the result of a single basic ontogenetic error and may be associated with other anomalies. One such anomaly is Klippel-Feil syndrome (KFS), which is characterized by abnormal fusion of two or more cervical vertebrae.

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Objective: To determine clinically significant prostate cancer (csPCa) detection rate by combining the prostate-specific antigen density (PSAD) and prostate imaging-reporting and data system (PI-RADS) scores.

Study Design: Descriptive study. Place and Duration of the Study: Department of Urology, University of Health Sciences, Ankara Oncology Training and Research Hospital, from January 2018 to April 2023.

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Background: This study aims to investigate the relationship between burnout levels among intensive care unit (ICU) nurses, turnover intention, and the mediating role of psychological resilience.

Methods: This survey design was used to collect data from 228 ICU nurses from hospitals in Turkey. The study utilized self-report questionnaires to measure burnout levels, turnover intention, and psychological resilience.

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Background: The objective of this study is to determine the role of tumor marker density (TMD) values such as alpha-fetoprotein tumor volume ratio (ATVR), beta-human chorionic gonadotropin tumor volume ratio (βTVR), alpha-fetoprotein testicle size ratio (ATSR), beta-human chorionic gonadotropin testicle size ratio (βTSR), lactate dehydrogenase tumor volume ratio (LTVR), and lactate dehydrogenase testicle size ratio (LTSR) in the determination of progression-free survival (PFS) in patients with testicular cancer.

Materials And Methods: A retrospective study was conducted of 95 patients followed-up in our clinic with a diagnosis of testicular cancer between January 2015 and August 2022. Patients were grouped according to clinical stage, as either early stage ( = 50) or advanced stage ( = 45).

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Objectives: To investigate the association between pain and sleep quality, anxiety, depression, body perception, and biological rhythm in chronic scrotal pain (CSP).

Material And Methods: This cross-sectional study of 140 CSP patients was conducted between January and October 2023. The patients were separated into groups according to the Visual Analogue Scale (VAS) score as group 1 (score<3, n=27), group 2 (score: 3-6, n=84), and group 3 (score>6, n=29).

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Aim: To examine the reliability of ChatGPT in evaluating the quality of medical content of the most watched videos related to urological cancers on YouTube.

Material And Methods: In March 2024 a playlist was created of the first 20 videos watched on YouTube for each type of urological cancer. The video texts were evaluated by ChatGPT and by a urology specialist using the DISCERN-5 and Global Quality Scale (GQS) questionnaires.

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Background: With the rapid improvement in healthcare technologies, the security and privacy of the most sensitive data are at risk. Patient privacy has many components, even when data are in electronic format. Although patient privacy has extensively been discussed in the literature, there is no study that has presented all components of patient privacy.

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Article Synopsis
  • - Menaquinone-7 (MK-7), a beneficial vitamin produced by Bacillus strains through biofilm, was synthesized in a new reactor setup using Bacillus subtilis natto to optimize production.
  • - Continuous fermentation in biofilm reactors improves sustainability by maintaining steady-state operations, reducing resource use, and minimizing waste compared to traditional batch methods.
  • - The study found that optimizing dilution rates significantly enhanced MK-7 productivity, with the ideal rate of 0.042 h yielding 0.33 mg/L/h, highlighting the importance of balancing nutrient supply and biofilm retention time.
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Aim: The growing elderly population is facing an increasing risk of cancers, consequently raising the pancreatic cancer surgery rate. This study aimed to determine whether advanced age is a risk factor for morbidity and mortality following pancreaticoduodenectomy (PD) for periampullary tumors.

Materials And Methods: The present study included 90 patients who underwent PD for periampullary tumors.

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Objective: To conduct a translation and validation study of the Chronic Orchialgia Symptom Index (COSI), which has 12 questions in three domains pain (P), sexual symptoms (SS), and quality of life (QoL), in the Turkish language.

Material And Methods: The study included a total of 175 patients diagnosed with chronic scrotal content pain (CSCP) between January 2023 and January 2024. In addition to demographic data, the scores obtained on the COSI questionnaire and Visual Analog Scale (VAS) were recorded.

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Article Synopsis
  • Triple negative breast cancer (TNBC) often recurs after treatment, particularly in those with residual disease post-chemotherapy, and capecitabine is commonly used as a follow-up treatment for these patients.! -
  • A study analyzed 170 TNBC patients who received capecitabine after neoadjuvant chemotherapy, finding a 30% recurrence rate and 18% death rate, with a 3-year disease-free survival (DFS) of 66% and overall survival (OS) of 74% in the cohort.! -
  • Results indicated that while capecitabine's effectiveness was lower than past studies, certain patients, especially those with specific residual disease characteristics, could still benefit from it,
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Fungal cellulases are the most sought-after biological molecules produced from microbial sources in the last four decades. Owing to their emerging applications in the bioenergy industry for hydrolyzing cellulose, for which they are the most abundant source on this planet, research trends are shifting heavily toward adapting to submerged fermentation. However, filamentous fungal species, which are efficient cellulase producers, are well-adapted to low-moisture solid support as the substrate, such as in nature.

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Background & Aims: Autoimmune pancreatitis (AIP) is an immune-mediated disease of the pancreas with distinct pathophysiology and manifestations. Our aims were to characterize type 1 AIP in a large pan-European cohort and study the effectiveness of current treatment regimens.

Methods: We retrospectively analyzed adults diagnosed since 2005 with type 1 or not-otherwise-specified AIP in 42 European university hospitals.

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Background: Although piezosurgery is now commonly used for various applications in maxillofacial surgery, its advantages over conventional rotary instruments in terms of postoperative edema, ecchymosis, postoperative morbidity, and prolonged osteotomy time have been questioned.

Materials And Methods: This study aimed to compare the efficiency, postoperative morbidity, and complication rates of piezosurgery and conventional methods in harvesting autogenous ramus grafts. In this randomized controlled trial, 21 patients (32 sides) underwent autogenous graft harvesting from the ramus area, with 16 sites treated using piezosurgery and 16 using the conventional method.

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Background: Few studies have compared the effects of piezosurgery and conventional rotary surgery for impacted wisdom teeth on the quality of life. Among these studies, the inclusion parameters and evaluation methods have varied.

Material And Methods: This study aimed to compare the effects of piezosurgery and conventional rotary instruments on the quality of life using a standardised method.

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Objectives: The purpose of this study is to evaluate the readability and quality of Internet information related to vocal health, voice disorders and voice therapy.

Study Design: This is a cross-sectional study.

Methods: Eighty-two websites were included.

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Streptococcus thermophilus, the only Streptococcus species considered "Generally Recognized Safe", has been used widely in the food industry. This bacterium is one of the most valuable industrial lactic acid bacterial species. Due to the importance of this bacterium in industrial applications, it should be stored for a long time without losing its metabolic properties.

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The objective of the present study was to assess the inactivation kinetics of γ-irradiation of selected foodborne pathogens in instant soup. O157:H7 (ATCC 25922), subsp. serovar Enteritidis (ATCC 13076) (ATCC 2592), and (ATCC 11778) were inoculated into instant soup and irradiated at various doses of 0 (control), 0.

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Background: Social platforms such as YouTube have become sources of information about diseases as they can be easily and rapidly accessed. However, this also has the risk of ill-intentioned content and misleading information.

Objective: To evaluate the reliability of YouTube video content about delayed ejaculation treatment.

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Purpose: To determine the active treatment option and perioperative complications using the 5-Factor Modified Frailty Index (mFI-5) in localized prostate cancer patients.

Material And Methods: Patients diagnosed with localized prostate cancer in our clinic between January 2018 and October 2022 were evaluated. The patients were separated according to the mFI-5 scores as Group 1 (score = 0, n = 74), Group 2 (score = 1, n = 41), and Group 3 (score ≥ 2, n = 69).

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