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Surgical treatment of the osteoporotic spine with bone cement-injectable cannulated pedicle screw fixation: technical description and preliminary application in 43 patients
Dai, Fei; Liu, Yaoyao; Zhang, Fei; Sun, Dong; Luo, Fei; Zhang, Zehua; Xu, Jianzhong.
  • Dai, Fei; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Liu, Yaoyao; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Zhang, Fei; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Sun, Dong; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Luo, Fei; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Zhang, Zehua; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
  • Xu, Jianzhong; The Third Military Medical University. Department of Orthopaedics. National & Regional United Engineering Laboratory of Tissue Engineering. Southwest Hospital. Chongqing. CN
Clinics ; 70(2): 114-119, 2/2015. tab, graf
Article in English | LILACS | ID: lil-741426
ABSTRACT

OBJECTIVES:

To describe a new approach for the application of polymethylmethacrylate augmentation of bone cement-injectable cannulated pedicle screws.

METHODS:

Between June 2010 and February 2013, 43 patients with degenerative spinal disease and osteoporosis (T-score <-2.5) underwent lumbar fusion using cement-injectable cannulated pedicle screws. Clinical outcomes were evaluated using a Visual Analog Scale and the Oswestry Disability Index. Patients were given radiographic follow-up examinations after 3, 6, and 12 months and once per year thereafter.

RESULTS:

All patients were followed for a mean of 15.7±5.6 months (range, 6 to 35 months). The Visual Analog Scale and Oswestry Disability Index scores showed a significant reduction in back pain (p = 0.018) and an improvement in lower extremity function (p = 0.025) in patients who underwent lumbar fusion using the novel screw. Intraoperative cement leakage occurred in four patients, but no neurological complications were observed. Radiological observation indicated no loosening or pulling out of the novel screw, and bone fusion was excellent.

CONCLUSIONS:

The described polymethylmethacrylate augmentation technique using bone cement-injectable cannulated pedicle screws can reduce pain and improve spinal dysfunction in osteoporotic patients undergoing osteoporotic spine surgery. .
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Full text: Available Index: LILACS (Americas) Main subject: Salmonella typhi / Ciprofloxacin / Anti-Bacterial Agents Country/Region as subject: Asia Language: English Journal: Clinics Journal subject: Medicine Year: 2015 Type: Article Affiliation country: China Institution/Affiliation country: The Third Military Medical University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Salmonella typhi / Ciprofloxacin / Anti-Bacterial Agents Country/Region as subject: Asia Language: English Journal: Clinics Journal subject: Medicine Year: 2015 Type: Article Affiliation country: China Institution/Affiliation country: The Third Military Medical University/CN