1Baudoin C,Fardellone P. Effect of sex and age on the ratio of cevical to trochanteric hip frature a meta analysis of 16 reports on 36, 451 cases [J] .Acta orthop scand, 1993, 64: 647.
2Stevens J ,Freeman PA, Nordin BEC ,etal. The ineidence of osteo porosis in the patients with femoral neck fracture[J]. J Bone and Joint Surg (Br), 1962, 44: 520.
3Wooton R, Brereton P J, Clark MB,et al. Fractured neck of femur in the elderly an attempt to idlentity patients at risk [J]. Clinicne Science, 1979, 57: 93-101.
4Bemben DA, Exercise interventions for osteoporosis prevention in postmenopausal women [J].J Okla state Med Assoe, 1999,92: 66--70.
6Hollmann MW, Durieux ME. Local Anesthetics and the Inflammatory Response:A New Therapeutic Indication? [J]. Anesthesiology,2000, 93(3) :858-875.
7Parker M J, Unwin SC, Handoll HH, et al. General versus spinal/epi- dural anaesthesia for surgery for hip fractures in adults [ J ]. Cochrane Database Syst Rev,2000,4:202-209.
8Borghi B, Laici C, Luorio S, et al. Epidural vs general anaesthesia[ J]. Minerva Anestesio1,2002,68 (4) : 171-177.
9Carli F,Mayo N,Klubien K,et al. Epidural Anelgesia Enhances Func- tional Exercise Capacity and Health-related Quality of Life after Colon- ic Surgery : Results of a Randomized Trial [ J ]. Anasthesiology, 2002, 97 (3) :540649.
10Fong HK, Sands LP, Leung JM. The role of posroperative analgesia in delirium and cognitive decline in elderly patients: a systematic review [ J]. Anesth Analg,2006,102 : 1255-1266.
