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  Mehmet Akif Yilmaz, Nuray Uzun, Elif Oral Ahiskalioglu, Ali Bilal Ulas
  Challenge Journal of Perioperative Medicine (2025) 3(1) 1-7
  Objective: Providing adequate analgesia after thoracic surgery plays an important role in preventing pulmonary complications while accelerating postoperative recovery. This study aimed to retrospectively evaluate the effectiveness of analgesia approaches appli...
• Prediction of postoperative acute kidney injury after cardiopulmonary bypass cardiac surgery: The role of preoperative inflammatory indices and intraoperative perfusion stress
  Mehmet Akif Yilmaz, Mehmet Zubeyir Guney, Nuray Uzun, Hasan Emre Kivanc, Ebubekir Sonmez, Muhammed Enes Aydin
  Challenge Journal of Perioperative Medicine (2026) 4(1) 21-31
  Background: Postoperative acute kidney injury is a frequent complication after cardiac surgery performed with cardiopulmonary bypass and is closely associated with increased mortality. This study aimed to evaluate the predictive value of preoperative renal fun...
• Awake laparoscopic cholecystectomy under thoracal segmental spinal anesthesia and intermediate cervical plexus block: A case series
  Nezir Yilmaz, Yunus Bozok
  Challenge Journal of Perioperative Medicine (2025) 3(2) 58-61
  Laparoscopic cholecystectomy (LC) is the preferred approach for treating gallstone disease because of its minimally invasive characteristics. However, factors such as increased intra-abdominal pressure, pneumoperitoneum, and positional changes present signific...
• Early detection of acute kidney injury in critically ill burn patients: Evaluating the predictive role of serum and urinary NGAL
  Izzet Alatli, Buket Kocaman Akbay
  Challenge Journal of Perioperative Medicine (2025) 3(1) 8-13
  Background: Early detection of acute kidney injury (AKI) in critically ill burn patients is crucial for improving outcomes. Neutrophil gelatinase-associated lipocalin (NGAL) has emerged as a promising biomarker for early AKI detection. This study aimed to eval...
• Tonsillectomy in a pediatric patient with propionic acidemia: Anesthesia management and potential perioperative challenges
  Mehmet Akif Yilmaz, Gokhan Tekin, Berivan Bozan, Mirac Selcen Ozkal Yalin, Nuray Uzun, Muhammed Enes Aydin
  Challenge Journal of Perioperative Medicine (2025) 3(2) 62-64
  Propionic acidemia (PA) is a rare metabolic disorder caused by a deficiency in the propionyl-CoA carboxylase enzyme, leading to the accumulation of toxic metabolites. Surgical procedures pose a risk of metabolic decompensation in patients with PA, requiring ca...