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ORIGINAL ARTICLE
Year : 2019  |  Volume : 14  |  Issue : 4  |  Page : 1207-1213

Clinico-radiological efficacy of posterior instrumentation, decompression, and transpedicular bone grafting in osteoporotic burst fracture associated with neurological deficit


Bombay Hospital and Medical Research Centre, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Sanyam Jain
Bombay Hospital and Medical Research Centre, Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ajns.AJNS_95_19

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Objective: The aim of this study is to evaluate clinico-radiological outcomes of posterior surgery (decompression + instrumentation + transpedicular bone graft) in osteoporotic burst fracture associated with neurological deficit [OFND]. Materials and Methods: Forty patients with neurological deficit due to delayed osteoporotic vertebral collapse managed by posterior surgery (decompression + instrumentation + transpedicular bone graft) with minimum 2 years follow-up were included in the study. Approval from the Institutional Review Board was taken. Demographic data (age, sex, mode of injury, and the severity of osteoporosis); clinical parameters (Visual Analog Score [VAS], Oswestry Disability Index [ODI], Frankel grade), radiological parameters (local kyphosis), and surgical variables (blood loss, surgery duration, and intraoperative events) were recorded. Neurological worsening/improvement, complications, and implant failures were noted. Results: Significant improvement was noted in VAS (preoperative 8.20 ± 0.65/postoperative 4.1 ± 0.64) and ODI (preoperative 76.54 ± 6.96/postoperative 30.5 ± 6.56). Complete neurological recovery was noted in 37 patients (Frankel Grade E), three patients remained nonambulatory (Frankel Grade C). Significant improvement was noted in local kyphosis angle (preoperative = 21.80 ± 2.70; postoperative 11.40 ± 1.80), with 10% loss of correction (2.5 ± 0.90) at final follow-up. Symptomatic implant failure was noted in two patients and proximal junctional failure in one patient requiring an extension of fixation. Conclusions: OFND can be managed with a single posterior-only surgery with significant improvement in neurology and functional scores of patients. Aggressive kyphosis correction is often not required and optimal correction of kyphosis is noticed due to prone-positioning alone. Transpedicular grafting is safe and simple alternative to cement augmentation or anterior surgery for collapsed vertebrae.


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