Intralesional curettage, use of phenol, and reconstruction with allograft, gel foam, and cement (the sandwich technique) for GCT of bone achieved good functional outcome and a low recurrence rate.
Background:There is a lack of a classification system providing uniformity in description and guiding management decisions for kyphotic spinal deformities. We developed such a classification based on column deficiency, flexibility of disc spaces, curve magnitude, and correlation with the corrective osteotomy required.Methods:A classification was developed based on analysis of 180 patients with thoracolumbar kyphosis requiring osteotomy. The deformity was classified as Type I if the anterior and posterior columns were intact (IA indicated mobile disc spaces and IB, ankylosed segments). Type II indicated deficiency of only 1 column (IIA = anterior column and IIB = posterior column). Type III indicated deficiency of both columns (IIIA = kyphosis of ≤60°, IIIB = kyphosis of >60°, and IIIC = buckling collapse). A prospective analysis of 76 patients was performed to determine interobserver variability and the ability of the classification to guide selection of osteotomies of increasing complexity, including the Ponte osteotomy, pedicle subtraction osteotomy, disc bone osteotomy, single vertebrectomy, multiple vertebrectomies, and anterior in situ strut fusion procedure.Results:The mean age of the 76 patients was 21.2 years, the mean kyphosis was 69.9° (range, 26° to 120°), and the mean follow-up duration was 30 months. Six deformities were classified as IA, 5 as IB, 5 as IIA, 2 as IIB, 13 as IIIA, 35 as IIIB, and 10 as IIIC. Four surgeons classifying the deformities had a high agreement rate (kappa = 0.83), with the highest agreement for Types IA, IB, and IIIB. A correlation between the type of deformity and the osteotomy performed demonstrated that the classification could indicate the type of osteotomy required. All 18 patients with Type-I or II kyphosis were treated with Ponte, pedicle subtraction, or disc bone osteotomy. Forty-three (90%) of the 48 patients with Type IIIA or IIIB underwent vertebrectomy (single in 27 [56%] and multiple in 16 [33%]), and only 5 (10%) underwent disc bone osteotomy. Seven of the 10 patients with Type-IIIC kyphosis were treated with multiple vertebrectomies, with 5 of them needing preoperative halo gravity traction; the other 3 patients underwent an anterior in situ strut fusion procedure.Conclusions:The proposed classification based on the morphology of column deficiency, flexibility, and curve magnitude demonstrated a high interobserver agreement and ability to guide selection of the appropriate osteotomy.Clinical Relevance:A novel classification system for kyphosis based on spinal column deficiency, flexibility of disc spaces, and curve magnitude would bring uniformity in management and help guide surgeons in the choice of the appropriate corrective osteotomy.
Study DesignRetrospective case series.PurposeTo assess safety and efficacy of single stage, posterior stabilisation and anterior cage reconstruction through the transforaminal or lateral extra-cavitary route for Andersson lesions.Overview of LiteraturePseudoarthrosis in ankylosing spondylitis (Andersson lesion, AL) can cause progressive kyphosis and neurological deficit. Management involves early recognition and surgical stabilisation in patients with instability. However, the need and safety of anterior reconstruction of the vertebral body defect remains unclear.MethodsTwenty consecutive patients with AL whom presented with instability back pain and or neurological deficit were managed by single stage posterior approach with long segment pedicle screw fixation and anterior vertebral reconstruction. Radiological evaluation included- the regional kyphotic angle, measurement of anterior defect in computed tomography (CT) scan and the spinal cord status in magnetic resonance imaging. Radiological outcomes were assessed for fusion and kyphosis correction. Functional outcomes were assessed with visual analogue scale (VAS), ankylosing spondylitis quality of life (ASQoL) and Oswestry disability index (ODI).ResultsThe mean age of the patients was 50.1 years (male, 18; female, 2). The levels affected include thoracolumbar (n=12), lower thoracic (n=5) and lumbar (n=3) regions. The mean level of fixation was 6.2±2.4 vertebrae. The mean anterior column defect was 1.6±0.6 cm. The mean surgical duration, blood loss and hospital stay were 112 minutes, 452 mL and 6.2 days, respectively. The mean followup was 2.1 years. At final follow up, VAS for back pain improved from 8.2 to 2.4 while ODI improved from 62.7 to 18.5 (p <0.05) and ASQoL improved from 14.3±2.08 to 7.90±1.48 (p <0.05). All patients had achieved radiological union at a mean 7.2±4.6 months. The mean regional kyphotic angle was 27° preoperatively, 16.7° postoperatively and 18.1° at the final follow-up.ConclusionsPosterior stabilisation and anterior reconstruction with cage through an all-posterior approach is safe and can achieve good results in Andersson lesions.
Background:The incidence of acetabular fractures in India has increased over the past years but so has the operating skills of pelvi-acetabular trauma surgeons. The outcomes of surgical management need to be assessed so as to be able to devise proper treatment plan and execute the same during and after surgery, which in turn requires assessment of quality of life indices as well as functional scores. While there are studies assessing Harris Hip scores (HHS) and world health organization quality of life BREF (WHOQOL BREF) in the western population there is no study which assesses the same in Indian population. We designed this study to evaluate and define reference values for use of WHOQOL BREF Hindi scores in QOL Assessment in patients with acetabular fractures and to assess the relationship between it and HHS.Materials and Methods:118 patients with acetabular fractures who were treated surgically were included in this retrospective study. Assessment of reduction quality (Matta's radiological criteria), clinical outcome (HHS) and functional outcome (WHOQOL-BREF score) were done. The affect of age, gender, fracture displacement, hip dislocation, delay in surgery and associated injury on the clinical and functional outcome was evaluated.Results:The mean HHS was 90.65 (42–100) which showed an overall good to excellent outcome in 78.8% cases. WHOQOL-BREF Hindi score of domain-one was 63.06 ± 20.31 (13–94), of domain-two was 58.22 ± 19.57 (13–100), of domain-three was 70.49 ± 17.92 (13–100) and of domain-four was 64.48 ± 18.46 (13–100), which showed significant functional deficit in domain-one (P = 0.0001) and domain-two (P = 0.0001) but not in domain-three (P = 0.458) and domain-four (P = 0.722) when compared to score of general healthy population. The domain scores of general population norms were achieved in 59.3%, 61.9%, 69.5% and 66.1% cases in domain one, two, three and four respectively.Conclusions:Based on these results one can conclude that WHOQOL-Hindi questionnaire is good enough for assessment of QOL in addition to clinical measures in acetabular fracture patients.
This report highlights a very rare complication of chance fracture pattern injury in the clinical scenario of fluorosis. A hyperostotic stiff spine, poor quality of bone and extension of pedicle screw tracts to anterior cortex during primary surgery may have resulted in the occurrence of this rare complication.
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