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Effects of low-flow sevoflurane anesthesia on renal function in low birth weight infants.

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  • معلومة اضافية
    • الموضوع:
      CHINA
    • نبذة مختصرة :
      Background: Low-flow sevoflurane anesthesia has been shown to influence renal function in rats, but not in adult humans. Presently, no study has assessed the effects of sevoflurane on renal function in low birth weight infants. Our aim was to study the renal function in low birth weight infants undergoing surgery with low-flow sevoflurane anesthesia. Methods: Forty infants graded as American Society of Anesthesiologists (ASA) grade I or II undergoing abdominal surgery were selected. After the induction of anesthesia, they received sevoflurane semi-closed inhalation anesthesia with an oxygen flow rate of 1 L/minute. According to patient vital signs, in-tidal sevoflurane concentration was maintained at 2.5%-4.0%. Peripheral vein blood samples and urine specimens were obtained before surgery (T0), at the end of surgery (T1), and 24 (T2), 48 (T3), and 72 hours (T4) after surgery. Serum creatinine (Cr), blood urea nitrogen (BUN), urinary retinol binding protein (RBP), and β-N-acetyl-glucosaminidase (NAG) levels were determined at these time points. Also, a temperature probe was inserted into the center of a soda lime canister and temperature readings were obtained. Results: There were no significant differences in Cr and BUN before and after surgery (P > 0.05). However, RBP and NAG levels increased after surgery (P < 0.05), but returned to preoperative levels 72 hours (T4) after surgery. The highest soda lime temperature was 37.3 ± 3.1 °C. Conclusions: Low-flow sevoflurane semi-closed inhalation anesthesia has no significant effect on the renal function of low birth weight infants. [ABSTRACT FROM AUTHOR]
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