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Relationship of surgical accuracy and clinical outcomes in Charitè lumbar disc replacement.

Jones, CW; Smitham, P; Walsh, WR; (2012) Relationship of surgical accuracy and clinical outcomes in Charitè lumbar disc replacement. Orthop Surg , 4 (3) pp. 145-155. 10.1111/j.1757-7861.2012.00191.x.

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Abstract

OBJECTIVE: To retrospectively assess the clinical and functional outcomes of a group of patients receiving Charitè lumbar disc replacement and to compare those outcomes to the corresponding surgical technical accuracy. METHODS: A retrospective study of all patients treated over a 3-year period was undertaken. Objective pain scores were quantified from 1 to 10. Short Form 36-Health Survey (SF-36v2) scores were compared to Australian population norms. Surgical placements were radiographically classified. Heterotopic ossification, disc height restoration and angle-defined instability were assessed using established protocols. RESULTS: Twenty-five patients were identified with three patients lost to follow-up. Average follow-up was 34 months. Ideal surgical placement was achieved in five (33%) single-level and three (37.5%) dual-level disc replacements. Sub-optimal surgical placement was seen in nine (60%) single-level and five (62.5%) dual-level disc replacements. Poor surgical placement was observed in a single-level disc replacement. All patients demonstrated a reduction in objective pain score (P < 0.05). SF-36v2 outcomes were superior in single-level compared to dual-level and ideal compared to sub-optimal replacements (P < 0.05). CONCLUSION: The hypothesis that ideal surgical placements are associated with improved clinical and functional outcomes in total lumbar disc replacement was confirmed.

Type: Article
Title: Relationship of surgical accuracy and clinical outcomes in Charitè lumbar disc replacement.
Location: Australia
DOI: 10.1111/j.1757-7861.2012.00191.x
Keywords: Adult, Female, Follow-Up Studies, Humans, Lumbar Vertebrae, Male, Middle Aged, Radiography, Retrospective Studies, Total Disc Replacement, Treatment Outcome
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Targeted Intervention
URI: http://discovery.ucl.ac.uk/id/eprint/1377057
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