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  • Küçük Resim
    Öğe
    Diagnostic errors in computed tomography outsourcing: Analysis of a single center
    (2019) Karavas, Erdal; Hirik, Erkan
    Aim: The reporting of medical imaging with outsourcing is used by many hospitals in Turkey. The aim of this study was to evaluate outsourced computed tomography (CT) reports and determine any errors made. Material and Methods: The study was planned with a prospective design. The reports of the CT tests taken during 2017 by an outsourced company of 35 randomly selected patients were compared. In the comparison, findings which could lead to a change in diagnosis and treatment were labelled as “significant” and findings which would not lead to a change in diagnosis and treatment were labelled as “non-significant”. Findings reported in the study comparison but not mentioned or written incorrectly in the outsourced company report were classified as “absence” and any finding that was written but not present was labelled as “extra”. Results: The study included the examsimages and reports of 35 patients, comprising 18 (51.4%) males and 17 (48.6%) females with a mean age of 49.37± 23.66 years. A major error was found in 27 (77%) cases. No statistically significant difference was determined in the significant, non-significant, absent and extra data according to patient age (p>0.05). Conclusion: There should be an implementation of regulations for clinicians to be able to re-use the diagnostic algorithm. Residential employment of radiologists should be encouraged rather than outsourcing.
  • Küçük Resim Yok
    Öğe
    Evaluation of the effect of 9.5/11.5-fr ureteral access sheath use on acute kidney injury with the myo-inositol oxygenase biomarker in patients undergoing retrograde intrarenal surgery: a prospective, randomized, and controlled study
    (Taylor & Francis Ltd, 2024) Turan, Abdullah; Hirik, Erkan; Erdogan, Abdullah; Altun, Abdulsemet; Mertoglu, Cuma; Sam, Emre; Atar, Muhittin
    IntroductionWe aimed to investigate whether a low intrarenal pressure provided by ureteral access sheath (UAS) use had a positive effect on the prevention of acute kidney injury through the evaluation of the myo-inositol oxygenase (MIOX).Material and methodsThe patients were divided into two groups according to whether a 9.5/11.5-Fr UAS was used during retrograde intrarenal surgery (RIRS): UAS group and non-UAS group. RIRS was performed under gravity irrigation and manual pumping was not used. For the measurement of MIOX, 5 cc blood samples were taken from the patients preoperatively and four hours postoperatively.ResultsOperation time and hospital stay were significantly longer in the UAS group. The mean preoperative and postoperative MIOX values were 0.77 +/- 0.36 ng/ml and 0.74 +/- 0.38 ng/ml, respectively, in the UAS group, and 0.74 +/- 0.31 ng/ml and 0.83 +/- 0.40 ng/ml, respectively, in the non-UAS group. The mean MIOX change was -0.29 +/- 0.36 in the UAS group and 0.08 +/- 0.44 in the non-UAS group, indicating no significant difference between the groups.ConclusionEven if UAS is not used, significant acute kidney injury is not observed under gravity irrigation and therefore, if we avoid manual pumping, the intrarenal pressure remains low, thus potentially rendering the use of 9,5/11,5-Fr UAS unnecessary.