1Tadokoro K, Miyamoto H, Sumi M, et al. The prognosis of conservative treatments for lumbar spinal stenosis: analysis of patients over 70 years of age[J]. Spine, 2005, 30(21 ) :2458 -2463.
2Johnsson KE, Ros~n I, Ud6n A. The natural course of lumbar spinal stenosis[J]. Clin Orthop Relat Res, 1992, (279):82-86.
3Amundsen T, Weber H, Nordal H J, et al. Lumbar spinal stenosis: conservative or surgical management?: A prospective 10 - year study[ J]. Spine, 2000, 25 ( 11 ) : 1424 - 1435.
4Cassinelli EH, Eubanks J, Vogt M, et al. Risk factors for the development of perioperative complications in elderly patients undergoing lumbar decompression and arthrodesis for spinal stenosis. An analysis of 166 patients [ J ]. Spine, 2007, 32 (2) :230 - 235.
5Li G, Patil CG, Lad SP,et al. Effects of age and comorbidities on complication rates and adverse outcomes after lumbar laminectomy in elderly patients[ J]. Spine, 2008, 33 (11 ) :1250 -1255.
6Carreon LY, Puno RM, Dimar JR 2nd, et al. Perioperative complications of posterior lumbar decompression and arthrodesis in olderadults[J]. J Bone Joint Surg Am, 2003, 85 - A(11): 2089 - 2092.
7Johnsson KE, Willner S, Johnsson K. Postoperative instability after decompression for lumbar spinal stenosis [ J ]. Spine, 1986, 11 (2) :107 -110.
8Yone K, Sakou T, Kawauchi Y, et al. Indication of fusion for lumbar sSpinal Sstenosis in elderly patients and its significance [J]. Spine, 1996, 21(2):242 -248.
