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To evaluate the characteristics of the spinopelvic parameters on radiography in patients with sacroiliac joint pain (SIJP). Two hundred fifty patients were included and divided into the SIJP group (those diagnosed with SIJP based on physical findings and response to analgesic periarticular injections; n = 53) and the non-SIJP group (those with low back pain [LBP] because of other reasons; n = 197). We compared their demographic characteristics and spinopelvic parameters using radiography. All differences found in the patients' demographic characteristics and spinopelvic parameters were analyzed. More female participants experienced SIJP than male participants (P = 0.0179). Univariate analyses revealed significant differences in pelvic incidence (PI) (P = 0.0122), sacral slope (SS) (P = 0.0034), and lumbar lordosis (LL) (P = 0.0078) between the groups. The detection powers for PI, SS, and LL were 0.71, 0.84, and 0.66, respectively. Logistic regression analyses, after adjustment for age and sex, revealed significant differences in PI (P = 0.0308) and SS (P = 0.0153) between the groups, with odds ratios of 1.03 and 1.05, respectively. More female participants experienced SIJP than male participants. Higher PI and SS values were related to SIJP among LBP patients.

Objective: The symptoms of sacroiliac joint (SIJ) disorders are usually detected in the buttock and groin, and occasionally referred to the thigh and leg. However, lumbar disorders also cause symptoms in these same body regions. The presence of a characteristic, symptomatic pattern in the legs would be useful for diagnosing SIJ disorders. This study aimed to identify specific leg symptoms in patients with SIJ pain originating from the posterior sacroiliac ligament and determine the rate of occurrence of these symptoms., Patients and Methods: The source population consisted of 365 consecutive patients from February 2005 to December 2007. One hundred patients were diagnosed with SIJ pain by a periarticular SIJ injection (42 males and 58 females, average age 46 years, age range, 18-75 years). A leg symptom map was made by subtracting the symptoms after a periarticular SIJ injection from the initial symptoms, and evaluating the rate of each individual symptom by area., Results: Ninety-four patients reported pain at or around the posterior-superior iliac spine (PSIS). Leg symptoms comprised pain and a numbness/tingling sensation; ≥60% of the patients had these symptoms. Pain was mainly detected in the back, buttock, groin, and thigh areas, while numbness/tingling was mainly detected in the lateral to posterior thigh and back of the calf., Conclusions: Leg symptoms associated with SIJ pain originating from the posterior sacroiliac ligament include both pain and numbness, which do not usually correspond to the dermatome. These leg symptoms in addition to pain around the PSIS may indicate SIJ disorders., (Copyright © 2017 Elsevier B.V. All rights reserved.)

Purpose: The sacroiliac joint (SIJ) may be a cause of sciatica. The aim of this study was to assess which treatment is successful for SIJ-related back and leg pain., Methods: Using a single-blinded randomised trial, we assessed the short-term therapeutic efficacy of physiotherapy, manual therapy, and intra-articular injection with local corticosteroids in the SIJ in 51 patients with SIJ-related leg pain. The effect of the treatment was evaluated after 6 and 12 weeks., Results: Of the 51 patients, 25 (56 %) were successfully treated. Physiotherapy was successful in 3 out of 15 patients (20 %), manual therapy in 13 of the 18 (72 %), and intra-articular injection in 9 of 18 (50 %) patients (p = 0.01). Manual therapy had a significantly better success rate than physiotherapy (p = 0.003)., Conclusion: In this small single-blinded prospective study, manual therapy appeared to be the choice of treatment for patients with SIJ-related leg pain. A second choice of treatment to be considered is an intra-articular injection.

The sacroiliac joint (SIJ) is a common source of low back pain. The most appropriate method of confirming SIJ pain is to inject local anesthesia into the joint to find out if the pain decreases. Unfortunately, although the SIJ is a large joint, it can be difficult to enter due to the complex nature of the joint and variations in anatomy. In my experience a double needle technique for sacroiliac joint injection can increase the chances of accurate injection into the SIJ in difficult cases. After obtaining appropriate fluoroscopic images, the tip of the needle is advanced into the SIJ. Once the tip of the needle is correctly placed, its position is checked under continuous fluoroscopy while moving the C-arm in the right and left oblique directions (dynamic fluoroscopy). On dynamic fluoroscopy the tip of the needle should remain within the joint line and not appear to be on the bone. If the tip of the needle appears to be on the bone a new joint line will need to be identified (the most translucent area through the joint) by dynamic fluoroscopy and another needle advanced into the newly identified joint line. Dynamic fluoroscopy is repeated again to confirm that the tip of the second needle remains within the joint line. Once both needles are in place contrast dye is injected through the needle that is most likely to be in the SIJ. If the contrast dye spread is not satisfactory then it is injected through the other needle. I have used this technique in 10 patients and found it very helpful in accurately performing SIJ injection which can at times be challenging.

We report a case of acute sacroiliitis with severe disability after only 3 weeks of isotretinoin therapy with graduate reduction of pain, limitation and muscle incompetence after discontinuation of the drug and ACTH-depo injection and Ethodolac therapy. Naranjo probability scale indicated a probable relationship between isotretinoin therapy and bilateral sacroiliitis. We discussed possible mechanisms of sacroiliitis and disability due to isotretinoin treatment.

Objective: To determine the physiologic effectiveness of multi-site, multi-depth sacral lateral branch injections., Design: Double-blind, randomized, placebo-controlled study., Setting: Outpatient pain management center., Patients: Twenty asymptomatic volunteers., Background: The dorsal innervation to the sacroiliac joint (SIJ) is from the L5 dorsal ramus and the S1-3 lateral branches. Multi-site, multi-depth lateral branch blocks were developed to compensate for the complex regional anatomy that limited the effectiveness of single-site, single-depth lateral branch injections., Interventions: Bilateral multi-site, multi-depth lateral branch green dye injections and subsequent dissection on two cadavers revealed a 91% accuracy with this technique. Session 1: 20 asymptomatic subjects had a 25-g spinal needle probe their interosseous (IO) and dorsal sacroiliac (DSI) ligaments. The inferior dorsal SIJ was entered and capsular distension with contrast medium was performed. Discomfort had to occur with each provocation maneuver and a contained arthrogram was necessary to continue in the study. Session 2: 1 week later; computer randomized, double-blind multi-site, multi-depth lateral branch blocks injections were performed. Ten subjects received active (bupivicaine 0.75%) and 10 subjects received sham (normal saline) multi-site, multi-depth lateral branch injections. Thirty minutes later, provocation testing was repeated with identical methodology used in session 1., Outcome Measures: Presence or absence of pain for ligamentous probing and SIJ capsular distension., Results: Seventy percent of the active group had an insensate IO and DSI ligaments, and inferior dorsal SIJ vs 0-10% of the sham group. Twenty percent of the active vs 10% of the sham group did not feel repeat capsular distension. Six of seven subjects (86%) retained the ability to feel repeat capsular distension despite an insensate dorsal SIJ complex., Conclusion: Multi-site, multi-depth lateral branch blocks are physiologically effective at a rate of 70%. Multi-site, multi-depth lateral branch blocks do not effectively block the intra-articular portion of the SIJ. There is physiological evidence that the intra-articular portion of the SIJ is innervated from both ventral and dorsal sources. Comparative multi-site, multi-depth lateral branch blocks should be considered a potentially valuable tool to diagnose extra-articular SIJ pain and determine if lateral branch radiofrequency neurotomy may assist one with SIJ pain.

Study Design: Prospective case series., Objective: The study aimed to investigate the therapeutic efficacy of sacroiliac joint (SIJ) blocks with triamcinolone acetonide in patients with SIJ pain without spondyloarthropathy., Summary of Background Data: Numerous studies have demonstrated that SIJ blocks with corticosteroid/anesthetic provide long-term pain relief in seronegative spondyloarthropathy. However, only one report on SIJ dysfunction patients without spondyloarthropathy shows promising results., Methods: We conducted a prospective observational study of patients at a University Spine Center from March 2005 to May 2006. The above mentioned SIJ blocks were performed in 150 patients, and dual SIJ blocks confirmed SIJ pain in 39 patients (26%)., Results: Twenty-six patients (66.7%) experienced significant pain reduction for more than 6 weeks; the overall mean duration of pain reduction in these responders was 36.8 +/- 9.9 weeks. SIJ blocks were ineffective in 13 patients (33.3%); the mean duration of pain reduction in these patients was 4.4 +/- 1.8 weeks. Univariate analysis revealed that treatment failure was significantly associated with a history of lumbar/lumbosacral fusion (P = 0.03)., Conclusion: SIJ blocks with triamcinolone acetonide are beneficial for some patients with SIJ pain without spondyloarthropathy. The SIJ blocks showed a long-lasting efficacy in two-thirds of the patients; however, the duration of its efficacy was shorter in patients with a history of lumbar/lumbosacral fusion. These findings suggest the need for further studies.

The sacroiliac joint (SIJ) can cause pain after lumbosacral fusion. Diagnosis requires >75% relief after local anesthetic SIJ injection. This study is a retrospective review of patients with low back pain after lumbosacral fusion who had SIJ injections. Percentage and duration of pain relief were noted. Results are as follows: there were 34 patients; 8 fused at L5-S1, 14 fused at L4-S1, and 12 had multilevel fusions. Twenty had >75% relief within 45 minutes, and 11 had prolonged relief. Six had relief >20% but <75%, and one had prolonged relief. Eight never improved. Eight had posterior iliac crest bone harvested, and there was no correlation between donor side and pain side. In 34 patients with low back pain after lumbosacral fusion, SIJ was the cause of pain in 32% and possibly the cause in 29%. This is the first detailed description of this problem.