3Dhir S, Ganapathy S, Lindsay P, et al. Case report: ropivacaine neurotoxicity at clinical doses in interscalene brachial plexus block. Can J Anaesth,2007,54(11) :912-916.
4Manuel T,Julia'n A, Joaqul'n C, et al. The effects of three different approaches on the onset time of sciatic nerve blocks with 0. 75 % ropivacaine. Anesth Analg,2004,98(1) :242-247.
5Asao Y, Higuehi T, Tshimoda Y, et al. Combined paravertebral lumbar plexus sciatic nerve block for reduction of hip fracture in four patients with severe heart failure. Masui, 2005,54(6):648-652.
6Taboada M,Aatanassoff P, Rodriguez J,et al. Plantar flexion seems more reliable than dorsinflexion with labat's sciatic nerve block: a prospective, randomized comparison. Anesth Analg, 2005,100(1) : 250-254.
8Casati A, Fanelli G, Magistris L, et al. Minimum local anesthetic volume blocking the femoral nerve in 50% of eases. A double-blinded comparison between 0.5% ropivacaine and 0. 5% bupivaeaine. Anesth Analg,2001 ;92(1) :205-208.
9Casati A, Baciarello M, Di Cianni S,et al. Effects of ultrasound guidance on the minimum effective anaesthetic volume required to block the femoral nerve. Br J Anaesth,2007,98(6) :823-827.
10Ilfeld BM, Loland VJ, Gerancher JC, et al. The effects of varying local anesthetic concentration and volume on continuous popliteal sciatic nerve blocks: a dual-center, randomized, controlled study. Anesth Analg, 2008 ; 107 (2) : 701-707.
4Martyr JW, Clark MX. Hypotension in elderly patients undergoing spinal anaesthesia for repair of fractured neck of femur. A comparison of two different spinal solutions. Anaesth Intensive Care, 2001,29(5):501-505.
5Marhofer P, Oism tt Her C, Faryniak B, et al. Three-in-one bleeks with ropivacaine: evaluation of sensory onset time and quality of sensory block. Anesth Analg, 2000,90( 1 ) : 125-128.