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Salvage technique of posterior iliac bolt placement in long-segment spinal constructs with a previous posterior iliac crest harvest: technical note.

Lippman CR, Salehi SA, Liu JC, Ondra SL

Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.

OBJECTIVE AND IMPORTANCE: Fusion between the lumbar spine and sacrum has been used to treat deformity, degenerative disease, trauma, and tumor. These constructs have a higher failure rate when a long construct is designed, in patients with poor bone quality, and in patients with previous irradiation or with significant osteoporosis. CLINICAL PRESENTATION: Extending the construct to the pelvis has been shown to increase the fusion rate of these patients and to reduce the risk of hardware failure before fusion has occurred. INTERVENTION: We extend the constructs with the use of iliac bolts placed within the posterior iliac crests. Placement of these bolts can be challenging after the posterior iliac crest has been harvested for autologous bone in a previous operation. CONCLUSION: The purpose of this technical note is to describe our salvage technique of iliac bolt placement as an adjunct to lumbar-sacral fusions in a previously harvested iliac crest.

Published 7 February 2006 in Neurosurgery, 58(1): ONS-E178; discussion ONS-E178.
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