title: Modification of percutaneous vertebroplasty for painful old osteoporotic vertebral compression fracture in the elderly: preliminary report.
abstract: OBJECTIVE
  To study the clinical efficacy of modified percutaneous vertebroplasty (PVP) in the treatment of painful old osteoporosis vertebral compression fractures (OVCF).
  
  
  METHODS
  From April 2007 to October 2009, 16 cases (23 vertebrae) of symptomic old OVCF were treated with a modified PVP. Before operation, all the patients were examined by standing anteroposterior and lateral X-Ray and MRI. The pain level of each patient was assessed before operation and 1 week, 6, 12 months after the operation using visual analogue scale (VAS) and Oswestry disability index (ODI). The middle line vertebral body height and local sagittal Cobb's angle were also measured.
  
  
  RESULTS
  Postoperative average VAS, Oswestry disability index (ODI), the local sagittal Cobb's angle decreased from 7.8, 72.3%, and 38.2° to 3.1, 26.8%, and 21.5° respectively before and after surgery (p<0.05). The mean midline vertebral height increased from 13.8mm to 26.6mm before and after surgery (p<0.05). There was no infection, nerve injury, pulmonary embolism, or death after operation.
  
  
  CONCLUSIONS
  The modified PVP can increase the space for bone cement filling and is good for the restoration of vertebral body height. It is an optimal procedure for the treatment of painful old OVCF.
authors.affiliation: Department of Spinal Surgery, The Second Hospital of Shandong University, 247 Beiyuan Road, Jinan Shandong, China.
authors.forename: Ma
authors.initials: M
authors.lastname: Shengzhong
authors.forename: Wu
authors.initials: W
authors.lastname: Dongjin
authors.forename: Wu
authors.initials: W
authors.lastname: Shiqing
authors.forename: Song
authors.initials: S
authors.lastname: Yang
authors.forename: Ren
authors.initials: R
authors.lastname: Peng
authors.forename: Ma
authors.initials: M
authors.lastname: Wanli
authors.forename: Gao
authors.initials: G
authors.lastname: Chunzheng
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001843:Bone Cements; D050815:Fractures, Compression / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications / Q000601:surgery; D010146:Pain / Q000601:surgery*; D010147:Pain Measurement; D011859:Radiography; D016103:Spinal Fractures / Q000601:surgery*; D016896:Treatment Outcome; D054854:Vertebroplasty / Q000379:methods*
chemical_list: D001843:Bone Cements