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J Korean Soc Spine Surg. 1999 May;6(1):65-72. Korean. Original Article.
Kim WJ , Suk SI , Kim JH , Lee SM , Lee CS , Hwang CH .
Seoul Spine Institute Inje University Sanggye Paik Hospital, Korea. Frangie@unitel.co.kr
Abstract

STUDY DESIGN: A retrospective study. OBJECTIVES: To determine the necessity of autogenous iliac grafting in selective thoracic fusion with segmental pedicle screw fixation in AIS SUMMARY OF BACKGROUND DATA: Though autografting is the gold standard for scoliosis surgeries, the frequency of complications makes this procedure a problem. In AIS patients subject to selective thoracic fusion, segmental pedicle screw instrumentation enabling a rigid fixation may offer satisfactory fusion with mixed graft of local bone and allograft, negating the need of autogenous cancellous grafting. METHODS: Fifty-eight AIS patients subjected to selective thoracic fusion by segmental pedicle screw fixation were analyzed. Group I consisted of 29 patients with autogenous iliac cancellous graft. Group II consisted of 29 cases with mixed graft of local bone and commercial allograft. The results were graded into union, probable union, probable nonunion and nonunion by the clinical results and radiological results after minimum follow up of 1 year. RESULTS: In group I, the fusion status was union in 21 and probable union in 8 patients with no probable nonunion or nonunions. In Group II, the fusion status was union in 13 and probable union in 16 cases with no probable nonunion or nonunions. There was no significant difference in results between two groups CONCLUSIONS: In AIS patients subject to selective thoracic fusion by segmental pedicle screw fixation, local bone and allograft mixed graft may be used as an alternative to autogenous iliac bone

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