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Abstract
Recently, the sacroiliac joint (SIJ) has gained increasing attention as a source of persistent or newly developed pain after lumbar/lumbosacral fusion. The underlying pathophysiology of SIJ pain may be increased mechanical load, iliac crest bone grafting, or a misdiagnosis of Preoperative SIJ syndrome. Imaging studies show more frequent degeneration of the SIJ in patients with lumbar/lumbosacral fusion than in patients without such fusion. Using injection tests, it has been shown that SIJ pain is the cause of persistent symptoms in a considerable number of patients after fusion surgery. Objectives: -Evaluation of the incidence of sacroiliac joint dysfunction after lumbar spine fixation-Proposing a protocol to manage cases of sacroiliac joint dysfunction after lumbar spine fixation