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  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...
• Walking the tightrope: Anaesthesia for fragile hearts and overactive glands in elderly hip surgery
  Ranganath Laxman Channappagoudar, Shilpa Shivananda
  Challenge Journal of Perioperative Medicine (2026) 4(1) 38-41
  Anesthetic management of elderly patients with ischemic heart disease, dilated cardiomyopathy with severe left ventricular dysfunction, and hyperthyroidism undergoing bipolar hemiarthroplasty presents unique challenges. Hyperthyroidism can exacerbate cardiac c...
• Retrospective evaluation of analgesia approaches in patients undergoing thoracic surgery over the last one year: A single-center study
  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...
• Perioperative complications in patients undergoing urological surgery with spinal anesthesia: A prospective, observational study
  Dilan Akyurt, Hija Yazıcıoğlu, Candan Haytural, Berna Demir, Ayşegül Özgök
  Challenge Journal of Perioperative Medicine (2024) 2(2) 30-35
  Background: Spinal anesthesia is widely used as the primary anesthesia method in urological surgeries, and this prospective observational study aimed to evaluate the associated complications.Materials and Method: Demographic data, procedures, and spinal anesth...
• Perioperative factors associated with severe early postoperative pain after single-level lumbar discectomy: A retrospective cohort study
  Erkan Bayram, Şükrü Çiftçi
  Challenge Journal of Perioperative Medicine (2026) 4(1) 15-20
  Background: Lumbar disc herniation is a frequent cause of radicular low back pain, and lumbar discectomy remains one of the most commonly performed spinal procedures when conservative treatment fails. Despite advances in surgical technique and perioperative ma...