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Spine J. 2012 Oct;12(10):940-8. doi: 10.1016/j.spinee.2012.10.026.

Minimally invasive presacral retrieval of a failed AxiaLIF rod implant: technical note and illustrative cases.

Author information

1
Department of Neurological Surgery, The Neurological Institute, University Hospitals Case Medical Center, 11100 Euclid Ave., HAN 5042, Cleveland, OH 44106, USA.

Abstract

BACKGROUND CONTEXT:

There are few reported cases of failed axial lumbar interbody fusion (AxiaLIF) in the existing neurosurgical literature, and an anecdotal case of open paramedian retroperitoneal approach to L5-S1 level for retrieval of AxiaLIF rod has been published.

PURPOSE:

The object of this study is to illustrate a minimally invasive presacral rod retrieval technique in cases with failed AxiaLIF causing lumbosacral instability.

STUDY DESIGN/SETTING:

Retrospective case series.

METHODS:

A retrospective analysis of the initial 26 cases of AxiaLIF done at our institution was performed; two cases of failed AxiaLIF that required rod removal were identified for detailed study. Available literature on the minimally invasive presacral techniques for rod retrieval was researched, and the use of a novel rod retrieval device with an expanding hex tip is discussed.

RESULTS:

Using a minimally invasive presacral approach through the previous surgical corridor, the authors were able to retrieve the AxiaLIF rod implant and then proceed with an alternative fusion technique. Both patients improved clinically and radiographically after revision. Removal of the presacral rod was not associated with vascular or bowel complications and required minimal operating room time with minimal blood loss.

CONCLUSIONS:

To the authors' knowledge, this is the first report demonstrating the safety and efficacy of minimally invasive presacral approach for removal of AxiaLIF rods in patients with failed AxiaLIF. As the AxiaLIF procedure is rapidly gaining acceptance among spine surgeons, we can expect to see increasing numbers of failed procedures as well. Understanding options for revision strategies is important for surgeons considering the use of this technique.

PMID:
23199822
DOI:
10.1016/j.spinee.2012.10.026
[Indexed for MEDLINE]

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