JOURNAL OF INTERNATIONAL ADVANCED OTOLOGY, vol.7, no.2, pp.225-233, 2011 (SCI-Expanded)
Background: We aimed to compare the effects of controlled hypotension with dexmedetomidine or alfentanil on hemodynamic parameters, surgeon satisfaction and bleeding in surgical field under N2O-free low-flow sevoflurane anesthesia in patients undergoing middle ear surgery.