Abdurrahman Tünay

Regional thoracic dose assessment and experimental TLD dosimetry during CT-guided radiofrequency pulmonary tumor ablation

D. Tunçman Kayaokay, Murat Özoğul, Eren Özgür, Abdurrahman Tünay et autres

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Point-based TLD dosimetry during CT-guided cervical vertebral biopsy: Absorbed dose, scatter radiation, and protection optimization

Fahrettin Fatih Kesmezacar, Abdullah Soydan Mahmutoğlu, Eren Özgür, Abdurrahman Tünay et autres

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Evaluation of Myocardial Functions Following Bariatric Surgery-Short Term Results

Hasan Okmen, Didem Melis Öztaş, Saadet Sukri, Fatih Dal et autres

The present pilot study included obese 21 patients (13 females and 8 males; mean age: 33.2 ± 11.0 years) who underwent bariatric surgery between December 2021 and June 2022. Echocardiographic evaluations and brain natriuretic peptide measurements were performed preoperatively and 3 months …

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Factors Determining Admission to the Intensive Care Unit After Urologic Cancer Surgery and Clinical Outcomes

Özlem Ateşal, Abdurrahman Tünay

Introduction: This study aimed to identify the factors associated with postoperative intensive care unit (ICU) admission and to evaluate short-term clinical outcomes in patients undergoing surgery for urological malignancies.Methods: This retrospective observational study included 75 patients admitted to the ICU following elective …

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Organ Dose Assessment in Radiological Central Venous Port Procedures: An Experimental Phantom-Based Study

Mehmet Toptaş, Abdurrahman Tünay, Özlem Ateşal, D. Tunçman Kayaokay et autres

This study aimed to quantitatively evaluate radiation doses delivered to radiosensitive thoracic and cervical organs during fluoroscopy-guided central venous port (CVP) catheter placement using a standardized experimental setup to identify the most exposed anatomical regions. An Alderson Rando anthropomorphic phantom equipped with …

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Serum osmolarity as a predictor of mortality in ICU COVID-19 patients: a retrospective analysis

Mehmet Toptaş, Özlem Dikme, Özgür Dikme, Abdurrahman Tünay et autres

Background: Serum osmolarity, reflecting fluid and electrolyte balance, may serve as a prognostic marker in critically ill patients, but its role in COVID-19 is not well established. This study evaluated the association between admission serum osmolarity and in-hospital mortality in critically ill …

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The Relationship Between BMI, Postoperative Pain Outcomes, and Patient Satisfaction in Patients Undergoing Infraclavicular Brachial Plexus Block

Gül Çakmak, Enes Eyyupkoca, Abdurrahman Tünay, Mehmet Koseoglu et autres

Objective: Obesity may influence postoperative pain and patient-reported outcomes after regional anesthesia through mechanisms beyond technical block success.This study evaluated the association between body mass index (BMI) categories and perioperative outcomes following ultrasound-guided infraclavicular brachial plexus block for upper extremity surgery.Methods: This …

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The Relationship Between CRP/Albumin Ratio and In-Hospital Mortality in Intensive Care Patients: A Retrospective Observational Study

Gül Çakmak, Abdurrahman Tünay

Introduction: Accurate prognostic assessment in intensive care units (ICUs) is crucial for early risk stratification and efficient resource allocation. The C-reactive protein to albumin ratio (CAR) has recently gained attention as a composite biomarker that reflects both systemic inflammation and nutritional status. …

Comparison of Ultrasound-Guided Pericapsular Nerve Group Block Versus Intravenous Ketamine for Positional Pain Management Before Spinal Anesthesia in Patients Who Underwent Hip Fracture Surgery: A Randomized Controlled Trial

Gül Çakmak, Bahadır Çiftçi, Ayşe Vahapoğlu, Abdurrahman Tünay et autres

BACKGROUND Hip fractures are a common problem among the elderly, leading to significant morbidity, mortality, and complications related to pain management. Effective analgesia is crucial to optimize positioning during spinal anesthesia and reduce postoperative pain. This study aimed to compare the efficacy …

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Regression analysis for intensive care unit (ICU) admission prediction in elderly patients with acute appendicitis

Abdurrahman Tünay

BACKGROUND: Acute appendicitis in the elderly often presents with atypical symptoms and is frequently complicated at diagnosis, potentially requiring intensive care unit (ICU) admission. Early risk identification is essential for effective triage. Hematologic biomarkers may provide rapid, accessible tools for predicting disease …

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INCIDENCE AND PREDICTORS OF MYOCARDIAL INJURY AFTER NONCARDIAC SURGERY: A RETROSPECTIVE COHORT ANALYSIS FROM A TERTIARY CENTRE

Gül Çakmak, Abdurrahman Tünay, Sevim Baltalı

Objective: Myocardial injury after noncardiac surgery (MINS) is a prevalent and frequently underdiagnosed perioperative complication, characterised by elevated cardiac troponin levels in the absence of overt ischaemic symptoms. It is strongly associated with increased morbidity and mortality. This study aimed to deter …

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Radiation dose assessment to abdominal and pelvic organs in fluoroscopy-guided lumbar epidural steroid injections: A phantom-based analysis

Abdurrahman Tünay, Mehmet Toptaş, Fahrettin Fatih Kesmezacar, Osman Günay et autres

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