title: Stereotactic guidance for navigated percutaneous sacroiliac joint fusion.
abstract: Arthrodesis of the sacroiliac joint (SIJ) for surgical treatment of SIJ dysfunction has regained interest among spine specialists. Current techniques described in the literature most often utilize intraoperative fluoroscopy to aid in implant placement; however, image guidance for SIJ fusion may allow for minimally invasive percutaneous instrumentation with more precise implant placement. In the following cases, we performed percutaneous stereotactic navigated sacroiliac instrumentation using O-arm®multidimensional surgical imaging with StealthStation®navigation (Medtronic, Inc. Minneapolis, MN). Patients were positioned prone and an image-guidance reference frame was placed contralateral to the surgical site. O-arm®integrated with StealthStation®allowed immediate auto-registration. The skin incision was planned with an image-guidance probe. An image-guided awl, drill and tap were utilized to choose a starting point and trajectory. Threaded titanium cage(s) packed with autograft and/or allograft were then placed. O-arm®image-guidance allowed for implant placement in the SIJ with a small skin incision. However, we could not track the cage depth position with our current system, and in one patient, the SIJ cage had to be revised secondary to the anterior breach of sacrum.
authors.affiliation: Department of Neurological Surgery, University of California-Davis Medical Center, Sacramento, California.
authors.forename: Darrin J
authors.initials: DJ
authors.lastname: Lee
authors.affiliation: Department of Neurological Surgery, Kyung-Hee Medical Center, Seoul, Korea.
authors.forename: Sung-Bum
authors.initials: SB
authors.lastname: Kim
authors.affiliation: Department of Neurological Surgery, University of California-Davis Medical Center, Sacramento, California.
authors.forename: Philip
authors.initials: P
authors.lastname: Rosenthal
authors.affiliation: Department of Neurological Surgery, University of California-Davis Medical Center, Sacramento, California.
authors.forename: Ripul R
authors.initials: RR
authors.lastname: Panchal
authors.affiliation: Department of Neurological Surgery, University of California-Davis Medical Center, Sacramento, California; kdkim@ucdavis.edu.
authors.forename: Kee D
authors.initials: KD
authors.lastname: Kim
keywords: arthrodesis; image guidance; sacroiliac joint; technique