Utility of ODI after SIJF (Mao - Ortho Reivews 2018) | SI-BONE

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Utility of ODI after SIJF (Mao - Ortho Reivews 2018)

A consideration for the utility of the post-operative Oswestry Disability Index for measuring outcomes after sacroiliac joint fusion.

Mao G, Aldahak N, Kusyk D, Yeager M, Cook D, Cameron J, Cheng B, Oh M.
Orthop Rev (Pavia). 2018 Jun 14;10(2):7549. doi: 10.4081/or.2018.7549


Sacroiliac joint (SIJ) dysfunction and its surgical treatment remain a controversial topic in spine surgery. Determining success after SIJ fusion may be difficult due to preexisting back pain, lumbar fusion (LF), and functional disability. We examine the utility of Oswestry Disability Index (ODI) as a measure of clinical outcomes after minimally invasive SIJ fusion. A retrospective review of 24 patients with at least 12- months follow-up. Patients were divided into two groups based on presence of previous LF. Their post-operative ODI was compared with overall satisfaction, pain reduction, and return to work status. No difference in demographics was found in patients with and without prior LF with 92% of patients reporting lower post-operative pain and 96% being satisfied. Presence of LF did not show any statistically significant differences in pain or satisfaction. However, patient with prior LF reported lower ODI than those without LF at 1-year post-operatively (P=0.015). Postoperative ODI may give a falsely pessimistic impression of outcomes in SIJ fusion patients with prior LF, and its use and limitations should be carefully considered in future studies.

KEYWORDS: Oswestry Disability Index, sacroiliac joint fusion, minimally invasive surgery, outcomes

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