Meta-analysis 8 研究, 518 例
Co-load 159/268 (59.3%)
Pre-load 156/250 (62.4%)
Banerjee A. Can J Anesth 2010; 57: 24-31
‘‘Although fluid preloading reduces the frequency of maternal hypotension, initiation of spinal anesthesia should not be delayed to administer a fixed volume of intravenous fluid.’’
American Society of Anesthesiologists Task Force on Obstetric Anesthesia. Practice guidelines for obstetric anesthesia: an updated report by the American Society of Anesthesiologists Task Force on Obstetric Anesthesia.
Anesthesiology 2007; 106: 843