Abstract
BackgroundSacroiliac joint (SI) pain is an often-overlooked cause of low back pain due, in part, to lack of specific findings on radiographs and symptoms mimicking other back-related disorders. We report our experience with minimally invasive (MIS) SI joint arthrodesis using a series of triangular, titanium plasma spray (TPS) coated implants in patients refractory to conservative care.MethodsWe report outcomes from 18 patients with 12 months of postoperative follow-up.Demographics, complications, and clinical outcomes using visual analog scale (VAS) for pain, Oswestry Disability Index (ODI) for back function and SF-12 for quality of life were collected preoperatively and at 3, 6 and 12 months post-operatively.ResultsMean age was 64 years and 67% of patients were female. There were no intraoperative complications and one explant at three months for malposition.All patient-reported outcomes showed both clinically and statistically significant improvement at 12 months (p < 0.001 for each of the following): VAS improved by 6.6 points, ODI scores improved by −37.5 points. One year SF-12 physical and mental component (PCS, MCS) scores approximated population normal scores for both physical and mental functioning. Patient satisfaction with outcomes was high at 95%; 89% said would have the same surgery again.ConclusionsMIS SI joint fusion using a series of triangular porous TPS coated titanium implants is a safe and effective procedure for patients with SI joint disorders who have failed conservative care.
Highlights
Sacroiliac joint (SI) pain is an often-overlooked cause of low back pain due, in part, to lack of specific findings on radiographs and symptoms mimicking other back-related disorders
Sacroiliac (SI) joint pain is an often-overlooked cause of low back pain
This may be due in part to the lack of visible abnormalities on plain radiographs and the fact that SI joint pain may mimic hip, lumbar radicular disorders or pain of discogenic origin [1,2]
Summary
Sacroiliac joint (SI) pain is an often-overlooked cause of low back pain due, in part, to lack of specific findings on radiographs and symptoms mimicking other back-related disorders. We report our experience with minimally invasive (MIS) SI joint arthrodesis using a series of triangular, titanium plasma spray (TPS) coated implants in patients refractory to conservative care. Sacroiliac (SI) joint pain is an often-overlooked cause of low back pain. This may be due in part to the lack of visible abnormalities on plain radiographs and the fact that SI joint pain may mimic hip, lumbar radicular disorders or pain of discogenic origin [1,2]. We report safety and effectiveness outcomes of patients undergoing MIS SI joint fusion with a series of triangular titanium, porous TPS coated implants (iFuse Implant System, SI-BONE, Inc., San Jose, CA) in a single surgeon’s private practice
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