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ORIGINAL ARTICLE
Year : 2019  |  Volume : 11  |  Issue : 1  |  Page : 44-48

Assessment of spinal arthrodesis in dorsolumbar spine trauma using hydroxyapatite, tricalcium phosphate, and 60% hydroxyapatite + 40% tricalcium phosphate: A comparative study


1 Department of Orthopaedic Surgery, Burdwan Medical College Hospital, Burdwan, West Bengal, India
2 Department of Orthopaedic Surgery, Nil Ratan Sircar Medical College and Hospital, Kolkata, West Bengal, India
3 Department of Endocrinology, IPGMER, Kolkata, West Bengal, India

Correspondence Address:
Dr. Kiran Kumar Mukhopadhyay
Department of Orthopaedic Surgery, Nil Ratan Sircar Medical College and Hospital, 138 A.J.C. Bose Road, Kolkata - 700 014, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jotr.jotr_13_19

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Study Design: Open level experimental design. Purpose: Ceramics are effective, safe, and good alternatives of iliac crest autograft for spinal fusion. There were not enough study available to compare among ceramics for fusion in spinal surgery. Our aim was comparative assessment of posterolateral spinal arthrodesis radiologically and clinically in dorsolumbar spine trauma using hydroxyapatite (HA), tricalcium phosphate (TCP), and 60% HA + 40% TCP. Overview of Literature: Surgical management of thoracolumbar spine injury has encouraged early rehabilitation and avoided adverse effects of prolonged recumbency. Instrumentation enhanced spinal fusion which was the main technique of spinal stabilization. Although iliac crest autograft is the gold standard for spinal fusion,the procedure is not devoid of major and minor complications. A variety of ceramics are available as good alternatives for spinal arthrodesis. There are not any studies in the literature comparing spinal fusion rate among commonly used ceramics. Materials and Methods: Patients having Thoraco Lumbar Injury Classification and Severity score ≥4 underwent pedicle screw fixation and decompression (if required). We applied chips of HA, TCP, or 60% HA + 40% TCP for fusion. At 12-month follow-up, computed tomography scan of involved spine was done to assess posterolateral fusion by Lenke classification. Clinical follow-up was done evaluating pain status (visual analog scale). Mean follow-up duration was 27.8 months. Radiological and clinical parameters were compared among three groups. Results: A total of 45 patients (16 received HA, 15 received TCP, and 14 received [60%HA + 40%TCP]) were analyzed. About 28.88% of total patients had Lenke Grade A fusion and 51.11% had Grade B, but no statistically significant difference (P = 0.09) among three groups. Although reduction of pain score occurred individually in all three groups,no significant difference (P = 0.3)was noted among three groups. Conclusions: There was no statistically significant difference in fusion rate and change in pain perception with applied ceramics (HA/TCP/[60%HA + 40%TCP]).


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