Publications by authors named "Guelcan Kuru"

Objectives: Coronary CT angiography (CCTA) is an excellent tool in ruling out coronary artery disease (CAD) but tends to overestimate especially highly calcified plaques. To reduce diagnostic invasive catheter angiographies (ICA), current guidelines recommend CT-FFR to determine the hemodynamic significance of coronary artery stenosis. Photon-Counting Detector CT (PCCT) revolutionized CCTA and may improve CT-FFR analysis in guiding patients.

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Background: Transient receptor potential cation channel subfamily V member 2 (TRPV2) functions as a stretch-sensitive calcium channel, with overexpression in the sarcolemma of skeletal and cardiac myocytes leading to detrimental calcium influx and triggering muscle degeneration. In our previous pilot study, we showed that tranilast, a TRPV2 inhibitor, reduced brain natriuretic peptide levels in two patients with muscular dystrophy and advanced heart failure. Building on this, we performed a single-arm, open-label, multicenter study herein to evaluate the safety and efficacy of tranilast in the treatment of advanced heart failure in patients with muscular dystrophy.

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Backgrounds: Intramuscular mRNA vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have a low intensity and latency of antibody response in patients with muscular disorders (MDs). However, the mechanisms involved in this phenomenon remain unknown. This study aimed to clarify the mechanism of the low immunogenicity of intramuscular SARS-CoV-2 mRNA vaccination in patients with MDs.

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The aim was to explore the efficiency of Tideglusib in bone tissue healing by carrying it with different scaffolds on rat calvarial lesions. Twentyfour male Dawley rats were utilized. Two bone defects of 5 mm in diameter were formed (n = 8).

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Background: Despite constant improvements, incontinence is one of the most relevant and quality-of-life-reducing side effects of radical prostatectomy (RP) and, in addition to patient-specific factors such as age, the experience of the surgeon/center and the surgical technique used play an important role.

Aims: To present current real-world data on short-term incontinence after RP from one of the largest German rehabilitation centers in 2022 and to compare it to the results from the same institution in 2016.

Methods And Results: Retrospective, unicentric, univariate analysis of data from 1394 men after RP in 2022 on admission and discharge from the rehabilitation clinic.

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Background: Video content has become an increasingly valuable tool in medical education, particularly for teaching hands-on skills like sonography and clinical examination. This study evaluates the satisfaction and content of sonography and clinical examination videos on the AMBOSS platform, a prominent medical education resource in Germany.

Objective: The goal of this study was to compare how effective and well-received sonography and clinical examination videos are on the AMBOSS platform.

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Article Synopsis
  • - The study focuses on improving transitional care for adolescents with juvenile idiopathic arthritis (JIA) as they move to adult healthcare systems, suggesting the need for tailored programs in each country.
  • - A Delphi study involving adolescents, parents, and clinicians was conducted to gather expert opinions and identify key components of transitional care, with significant participation in the initial surveys.
  • - While a consensus was reached on essential transitional care issues for JIA patients, further agreement is needed on practical applications of a final checklist to enhance care in Turkey.
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The study was conducted to characterize the physicochemical properties of honey produced from underground nesting stingless bees (Meliponula beccarii) in the Dandi and Meta Robi districts of the West Shewa zone, Ethiopia. A total of 27 honey samples, including 24 samples collected through careful investigation and excavation of natural nests and 3 samples purchased from the market, were analyzed in the laboratory. The evaluated physicochemical properties showed an overall mean of 306.

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The aim of the present study was to evaluate the occurrence of synchronous or metachronous hematologic and gynecologic malignancies. The medical database of the pathology department at a tertiary center was searched from 2016 to 2024 for cases involving both hematologic and gynecologic tumors. A literature search using Google Scholar and PubMed was also conducted between May and June 2024.

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Background And Aim: Tongue base reduction surgery is the only minimally invasive technique that can be performed under local anesthesia as an outpatient procedure, especially to treat obstructive sleep apnea caused by hypopharyngeal obstruction. Studies reported that various devices could be used for tongue base reduction, but comparisons of these methods are limited in the literature. Our study aimed to compare the histological effects of tongue base reduction methods performed with the Celon radiofrequency, monopolar cautery, Coblator, and Sutter devices on the tissue.

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Background: Becker muscular dystrophy (BMD) is a dystrophinopathy caused by a pathological variant of the DMD gene. Urinary titin, a degradation product of the giant protein titin present in muscle sarcomeres, has been used as a biomarker to reflect muscle degradation in Duchenne muscular dystrophy, a more severe dystrophinopathy. However, the clinical significance of urinary titin levels in BMD remains unclear.

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Background: Dentin hypersensitivity (DH) affects many patients. Various therapeutic options have been devised to alleviate this condition by achieving dentinal tubules (DT) occlusion. This research aimed to investigate the effects of dipotassium oxalate-containing mouthwash, diode laser and their combination on DT occlusion.

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Despite advancements in understanding the structure and functions of the Calcium Sensing Receptor (CaSR), gaps persist in our knowledge of the specific functions of its residues. In this study, we used phylogeny-based techniques to identify functionally equivalent orthologs of CaSR, predict residue significance, and compute specificity-determining position (SDP) scores to understand its evolutionary basis. The analysis revealed exceptional conservation of the CaSR subfamily, emphasizing the critical role of residues with high SDP scores in receptor activation and pathogenicity.

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Article Synopsis
  • - The study compares the diagnostic accuracy of radiomics feature maps to standard CT scans in detecting liver metastases in patients with metastatic colorectal cancer, revealing that CT scans generally outperformed radiomics for detecting the number of lesions.
  • - While standard CT images were superior overall for visual clarity and diagnostic confidence, the first-order RootMeanSquared feature maps demonstrated better visual contrast for liver lesions in a significant number of cases.
  • - The findings suggest that although traditional CT scans are more effective at highlighting liver lesions, the use of specific radiomics maps could aid in identifying poorly defined areas.
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Objective: Information regarding pregabalin use is limited. We aimed to assess the outcome of the patients who have taken pregabalin at a certain time during their pregnancies.

Methods: 31 patients used pregabalin treatment during pregnancy and 93 control patients were included in the study who applied to hospital between the years 2013-2022.

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  • Myotonic dystrophy Type 1 (DM1) is linked to the expansion of CTG repeats in the DMPK gene and may be associated with heart issues and sudden death, but this relationship is not fully understood in Japan and Europe.
  • A study analyzed 496 DM1 patients from nine Japanese hospitals, finding that those with 1300 or more CTG repeats had a significantly higher risk of serious cardiac events and mortality compared to those with fewer repeats.
  • The results suggest that patients with 1300 or longer CTG repeats are particularly at risk for cardiac complications and increased death rates, while the rate of sudden death was not significantly different across groups.
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  • Tideglusib's impact on collagen expression in human dental pulp-derived stem cells (DPSCs) is explored, focusing on type 1 and type 3 collagen levels.
  • The study involved isolating DPSCs from wisdom teeth and treating them with Tideglusib, measuring changes in collagen and Axin-2 expression over time.
  • Results show that Tideglusib initially increased type 1 collagen and Axin-2 after 24 hours, but decreased both collagen types after one week, suggesting further research is needed on its effects on the extracellular matrix.
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  • This study explored how parental mental health affects children's psychological issues and behavior in families impacted by the 2023 Kahramanmaraş earthquake in Türkiye.
  • It involved 358 preschoolers and their parents, revealing that higher parental psychological distress linked to more child difficulties and less prosocial behavior, with parenting quality playing a mediating role.
  • The results highlighted that fostering positive parenting could help protect children from the negative effects of parental distress, emphasizing the importance of supporting parent-child relationships after traumatic events.
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Alternative health (AH) has an important role in public health across cultures, as the World Health Organization acknowledges. Using structural topic modeling, we analyzed 25,561 posts from public Facebook groups that contained AH-related content during the COVID-19 pandemic over 3 years. Thirty-one topics emerged, and they were categorized into six major themes, including (1) sharing information regarding AH treatment for COVID-19, (2) spiritual and mental healing in the pandemic, (3) news and information about COVID-19, (4) commercial content related to AH treatment, (5) COVID-19 precautions suggestions, and (6) caution against treating AH as a cure-all.

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Objectives: In this study, the effects of sex and birth type on growth performance, withers height (WH), radiographic measurements and selected hormone profiles in Gurcu goat kids were investigated.

Methods: Twenty kids (single female = 5, single male = 5, twin female = 5, twin male = 5) were included in the study. Body weight (BW), WH, radiographic measurements (humerus length [HL], radius length [RL], proximal humerus epiphyseal plate width [HEP] and distal ulna epiphyseal plate width [UEP]) and biochemical analysis (for serum calcitonin, free triiodothyronine [FT3], free thyroxine [FT4], growth hormone [GH] and insulin-like growth factor-I [IGF-I]) were performed at 1, 3, 5, 7, 9 and 12 months of age.

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  • The study examines if helical Tomotherapy (HT) during free breathing (FB) can be a viable treatment option for left-sided breast cancer patients who can't use the deep inspiration breath hold (DIBH) technique.
  • Using CT images from 20 patients, the researchers compared dosimetric outcomes between the HT-FB and VMAT-DIBH techniques, focusing on target coverage and the preservation of surrounding healthy tissues.
  • Results indicated that while both methods effectively covered the treatment target, HT-FB offered superior protection for the left lung and LAD, although it requires careful assessment of doses to the contralateral breast and lung.
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  • The study introduces a new platform that enhances the discovery of optical biosensors, enabling faster and more efficient development through genetically encodable fluorogenic amino acids (FgAAs).
  • The engineered nanosensors can detect specific proteins and small molecules with significant increases in fluorescence and fast response times, which are beneficial for real-time diagnostics and live-cell imaging.
  • This advanced system allows for rapid testing of numerous sensor candidates, improving sensitivity for detecting SARS-CoV-2 antigens and has the potential for broader applications in modifying proteins with unique functionalities.
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Background: Various virtual goniometers have been used for photographic measurements. However, there is no single method that is both reliable and valid for measuring the forearm, wrist, and finger joints.

Purpose: This study aimed to investigate the criterion validity and intra- and inter-rater reliability of a virtual goniometer for assessing forearm, wrist, and finger joints using screenshots from video recordings and to calculate the standard error of measurement (SEM) and minimum detectable change (MDC).

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  • Matrix metalloproteinases (MMPs) play a key role in the remodeling and defense of dental pulp, but research on their function in primary teeth is limited, indicating a need for further studies on their contributions and the effectiveness of Biodentine as a pulpotomy material.
  • The study aims to compare the expression levels of MMP-2, MMP-8, and MMP-9 in reversible vs irreversible pulpitis cases, and to evaluate the clinical success of Mineral Trioxide Aggregate (MTA) and Biodentine in pulpotomy treatments for primary molars.
  • In a randomized controlled trial involving 63 primary molars, significant elevations in MMP-2 and MMP-9 levels were observed, which may
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  • - A 70-year-old man with atypical progressive supranuclear palsy (PSP) experienced symptoms like gait ataxia, vertical gaze palsy, rigidity, and cognitive issues, with worsening upper motor signs over time.
  • - Autopsy findings revealed significant neuronal loss and gliosis in critical brain areas, including the motor cortex and basal ganglia, along with the presence of tufted astrocytes and neurofibrillary tangles.
  • - The case exhibited features of both PSP with prominent cerebellar ataxia (PSP-C) and PSP-primary lateral sclerosis (PSP-PLS), highlighting the complexity of the disease.
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