RESEARCH ARTICLE


Outcome of Percutaneous Sacroiliac Joint Fixation with Porous Plasma-Coated Triangular Titanium Implants: An Independent Review



Jong T Kim 1, Leonard M Rudolf 2, John A Glaser*, 1
1 Medical University of South Carolina, Department of Orthopaedic Surgery, Charleston, SC, USA
2 Alice Peck Day Hosp, Lebanon, NH, USA


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© Kim et al.; Licensee Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.5/) which permits unrestrictive use, distribution, and reproduction in any medium, provided the original work is properly cited.

* Address correspondence to this author at the 96 Jonathan Lucas Street, Suite 708, Charleston, SC 29425, USA; Tel: 843-792-0810; Fax: 843-792-3674; E-mail: glaserja@musc.edu


Abstract

Design:

Independent retrospective review of a single surgeon’s experience with a new technique of SI fixation.

Objective:

Examine results of percutaneous fixation of the SI joint with porous coated triangular titanium implants.

Background:

Diagnosis and treatment of a dysfunctional sacroiliac joint is challenging as well as controversial. Recently, percutaneous stabilization techniques have been implemented for fixation. There is minimal literature published on this technique.

Methods:

Charts, radiographs, and CT scans of 31 patients operated on by a single surgeon were de-identified and randomized and then reviewed by investigators not involved with the care of the patients. Reviewers had no relationship with the implant manufacturer at the time of the review. Outcome Measures: intraoperative and postoperative complication, EBL, hospital stays, postoperative image location and number of lucent implants, ingrowth into implants, and bone across SI joint.

Results:

27 patients expressed satisfaction, 4 patients did not. Pain relief was noted to be Complete (16 patients), Excellent (5 patients), Good (9 patients), and Fair (1 patients). Four patients had postoperative complications. These were infected hematoma (2), L5 nerve root irritation (1), and L5-S1 discitis (1). One patient required revision. On 6 month postop CT scan, 18/19 patients had radiographic evidence of bone ingrowth and bone into or across the SI joint was evident in 8/19 patients. Lucency was noted around at least one implant in 5/19 patients.

Conclusions:

Results are promising for the use of this novel implant for a carefully selected group of patients with disabling SI dysfunction.

Keywords: Back pain, degenerative sacro iliitis, minimally invasive surgery, percutaneous surgery, sacro iliac disruption, sacro iliac surgery, technological advances.