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Scand J Surg. 2012;101(1):66-71.

Posterolateral spondylodesis using bioactive glass S53P4 and autogenous bone in instrumented unstable lumbar spine burst fractures. A prospective 10-year follow-up study.

Author information

1
Department of Orthopaedic Surgery and Traumatology, Turku University Hospital, University of Turku, Turku, Finland. juho.rantakokko@tyks.fi

Abstract

BACKGROUND AND AIMS:

A prospective long-term follow-up study of bioactive glass (BAG)-S53P4 and autogenous bone (AB) used as bone graft substitutes for posterolateral spondylodesis in treatment of unstable lumbar spine burst fractures during 1996-1998 was conducted.

MATERIAL AND METHODS:

The lumbar fractures were fixed using posterior USS instrumentation. BAG was implanted on the left side of the fusion-bed and AB on the right side. The operative outcome was evaluated on X-rays and CT scans, and a clinical examination was also performed.

RESULTS:

The Oswestry score was excellent, and the mean pain score 1. The mean compression rate of the injured vertebral body was 25%. A solid bony fusion was seen on CT scans on the AB side in all patients and on the BAG side in five patients, and a partial fusion in five patients, resulting in a total fusion-rate of 71% of all fused segments in the BAG group.

CONCLUSIONS:

Our long-term results show that BAG-S54P4 bone graft material is safe to be used as a bone graft extender in spine surgery.

PMID:
22414472
DOI:
10.1177/145749691210100113
[Indexed for MEDLINE]

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