Anaesthetic requirement and stress hormone responses in patients undergoing lumbar spine surgery: Anterior vs. posterior approach

  • K.Y. Y
  • M.K. L
  • C.W. J
 et al. 
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Background: The intensity of nociceptive stimuli reflects the severity of tissue injury. The anaesthetic requirement and stress hormonal responses were determined to learn whether they differ according to different surgical approaches (anterior vs. posterior) during the spinal surgery. Methods: Patients undergoing lumbar spine surgery without neurological deficits were divided into two groups: one having posterior (n=13) and the other having anterior fusion (n=13). The end-tidal sevoflurane concentrations (ETSEVO) required to maintain the bispectral index score at 40-50 were determined. Mean arterial pressure (MAP), heart rate (HR), central venous pressure (CVP), serum osmolality and plasma concentrations of catecholamines, cortisol and vasopressin (AVP) were measured. Results: There were no differences in MAP, HR, CVP and serum osmolality between the groups. ETSEVO was higher in the anterior than in the posterior group (P

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  • Yoo K.Y.

  • Lee M.K.

  • Jeong C.W.

  • Kim S.J.

  • Jeong S.T.

  • Shin M.H.

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