Crystalloids vs. colloids for fluid optimization in patients undergoing brain tumour surgery
Background. This randomised, double-blinded, single-centre study prospectively investigated the impact of goal directed therapy and fluid optimization with crystalloids or colloids on perioperative complications in patients undergoing brain tumour surgery. Main aim of the study was to investigate the impact of fluid type on postoperative complications.
Patients and methods. 80 patients were allocated into two equal groups to be optimised with either crystalloids (n=40) or colloids (n=40). Invasive hemodynamic monitoring was used to adjust and maintain mean arterial pressure and cerebral oxygenation within the baseline values (± 20%) and stroke volume variation (SVV) ≤ 10%. Postoperative complications from different organ systems were monitored during the first 15 days after surgery. Hospital stay was also recorded.
Results. Crystalloid group received significantly more fluids (p = 0.003) and phenylephrine (p = 0.02) compared to colloid group.
This did not have any significant impact on perioperative complications and hospital stay, since no differences between groups were observed.
Conclusions.Either crystalloids or colloids could be used for fluid optimization in brain tumour surgery. If protocolised perioperative haemodynamic management is used, the type of fluid does not have significant impact on the outcome.
Key words: brain tumour surgery, fluid optimization, haemodynamic management
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