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    Öğe
    The decrease in erythrocyte sedimentation rate related to general anesthesia
    (Ios Press, 2006) Çağlayan, Osman; Büyükkoçak, Ünase; Kara, Fatma Karaca; Sert, Özgür
    The aim of this study was to investigate whether general anesthetic agents change erythrocyte sedimentation rate (ESR) affecting erythrocytes' shape and membrane structure in routine clinical dose manner. Forty patients (23 female and 17 male) undergoing elective surgery were included to the study. Blood samples were obtained just before induction of the anesthesia and 10 minutes after endotracheal intubation. The ESR was measured using Test-1 ESR analyzer. ESR values of the second blood samples were significantly lower than the first values (p < 0.001). At the beginning, the ESR was 18.1 +/- 11.5 mm/h, and then it decreased to 13.1 +/- 9.3 at 10th minutes. Our results indicated that anesthetic agents affected the ESR. No increase was observed in the second ESR values which were equal to, or less than the first values. General anesthesia may lead to this decrease changing electrolyte balance of erythrocyte, affecting ligands of agglomerins in membrane directly and indirectly, or changing discoid shape of erythrocyte.
  • Küçük Resim
    Öğe
    The effects of the non-volatile anaesthetic agents, propofol and thiopental, on erythrocyte sedimentation rate
    (Taylor & Francis As, 2007) Cağlayan, Osman; Büyükkoçak, Ünase; Kara, Fatma Karaca; Sert, Özgür
    Objectives. The reduction of erythrocyte sedimentation rate (ESR) induced by general anaesthesia was demonstrated in our previous study. The purpose of the present study was to investigate whether the type of induction agent (propofol or thiopental) used for general anaesthesia had any effects on ESR. Methods. Sixty-four patients (ASA Physical Status Classification, I-II) scheduled for elective surgery under general anaesthesia were randomly assigned into two groups. In Group I, propofol and in Group II, thiopental were used as induction agents. Two blood samples were obtained before induction and 10 minutes after endotracheal intubation for ESR measurements. Results. The ESR values of the second samples from both groups were significantly lower than the values of the first samples, but there were no statistically significant differences in ESR values between the values of the two groups. Conclusion. The results showed that general anaesthesia decreased ESR values regardless of the type of agents being used for induction of anaesthesia. The reason might be related to other drugs used in both groups, or to a common effector mechanism of the two induction agents. The underlying mechanism needs to be investigated.