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Results for “SACROILIAC JOINT”

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At least 433 records · Page 24Linked to original sources
PubMed1992

Magnetic resonance imaging assessment of sacroiliac joint involvement in Gaucher's disease.

A young woman with Gaucher's disease experienced acute pain in her right sacroiliac (SI) joint. Although pelvic radiographs and computed tomographic scan showed no significant change in the right SI joint, magnetic resonance imaging demonstrated an area of high signal intensity in the iliac part of the right SI joint, and a periosseous collection of blood. This skeletal location is rarely reported in Gaucher's disease; the mechanism of bone crisis is still controversial and our case suggests the occurrence of a bone infarct.

Adult↗
PubMed1995

Use of immunohistologic and in situ hybridization techniques in the examination of sacroiliac joint biopsy specimens from patients with ankylosing spondylitis.

OBJECTIVE: To investigate mechanisms involved in inflammation and new bone formation in the sacroiliac (SI) joints of patients with ankylosing spondylitis (AS). PATIENTS AND METHODS: Computed tomography-assisted biopsy of the SI joint was performed in 5 patients with AS with a mean disease duration of 4.5 years and radiographic stage 2-3 disease. Immunohistologic studies were performed with the alkaline phosphatase-anti-alkaline phosphatase technique, and cytokine messenger RNA (mRNA) was detected by in situ hybridization. RESULTS: Dense cellular infiltrates with varying amounts of CD3+ cells (mean +/- SD 53.3 +/- 24.1%), CD4+ cells (29.7 +/- 17.6%), CD8+ cells (15.8 +/- 11.4%), CD14+ cells (23.6 +/- 16.9%), CD45RO+ cells (48.4 +/- 23.6%), and CD45RA+ cells (4.5 +/- 2.9%) were found in the synovial portion of the SI joints of all 5 patients. In these infiltrates a high amount of tumor necrosis factor alpha (TNF alpha) mRNA and, near the site of new bone formation, a lower amount of transforming growth factor beta (TGF beta) mRNA, were detected, while no message for interleukin-1 was found in the 3 patients examined by this technique. CONCLUSION: The presence of T cells and macrophages was demonstrated in cellular infiltrates in the SI joints of 5 patients with active AS. The finding of abundant TNF alpha message in these joints could have implications regarding potential immunotherapeutic approaches to this disease. TGF beta might be involved in new bone formation in AS.

Adult↗
PubMed1995

The use of color Doppler imaging for the assessment of sacroiliac joint stiffness: a study on embalmed human pelvises.

PURPOSE: The validity and reproducibility of an instrumented dynamic examination method to measure sacroiliac (SI) joint stiffness was tested in vitro. METHODS: Four embalmed human female pelvises were excitated by a pelvic vibrator. A color Doppler imaging (CDI) scanner was used to image the amplitude of vibrations at different sites of the pelvis. Vibrations were applied to the anterior superior iliac spines unilaterally and were received by CDI all over the ipsilateral SI region. Three different stability conditions were created in the SI joints: no intervention, screwed and ligaments cut. Test results were quantified by taking the minimum threshold levels of the bones. The relative difference of vibration intensity between ipsilateral ilium and sacrum at each stability condition is accepted as the stiffness level for the SI joint. RESULTS: Statistics showed high reproducibility and significant differences between the stability conditions. Dynamic testing based on the use of vibrations provides visible and quantifiable intra- and inter-individual differences between SI joint stiffnesses. CONCLUSIONS: This new method is objective and reproducible. Future in vivo application is promising since there are no technical and safety restrictions.

Aged↗
PubMed2000

Magnetic resonance imaging guided corticosteroid injection of the sacroiliac joints in patients with therapy resistant spondyloarthropathy: a pilot study.

OBJECTIVE: To evaluate magnetic resonance imaging (MRI) guided corticosteroid injections of inflamed sacroiliac (SI) joints in patients with spondyloarthropathy with therapy resistant sacroiliitis. METHODS: We performed 16 injections in 9 patients on an outpatient basis (6 men, 3 women, mean age at onset 24.7 +/- 7.5 yrs). All patients had MRI guided injection of 40 mg triamcinolone acetonide into SI joints using an open 0.2 Tesla unit. Before and 3 months after corticosteroid injection they underwent an MRI examination with a closed 1.5 Tesla unit. RESULTS: Seven of 9 patients reported subjective improvement that lasted at least a mean of 10.8 +/- 5.6 months. Subchondral bone marrow edema on fat suppressed images resolved in 8 patients after corticosteroid injection. CONCLUSION: MRI guided corticosteroid injection of SI joints appears to be an effective and safe procedure without exposure to radiation. It is a useful therapeutic modality, especially in young patients with severe isolated sacroiliitis.

Adolescent↗
PubMedDate not supplied

The sacroiliac joint: a review of anatomy and biomechanics with clinical implications.

OBJECTIVE: To examine the biomedical literature pertaining to the anatomy and biomechanics of the sacroiliac (SI) joint to update current concepts and treatment of SI joint dysfunctions. DATA COLLECTION: The biomedical literature was reviewed for articles containing information on the anatomy, mechanics, dysfunction and treatment of the SI articulation. Emphasis was placed on information published in the past decade. Textbooks and prior reviews were used to compare past and present information. RESULTS: The anatomy and mechanics of the SI joint and surrounding tissues are much more complex than taught in chiropractic colleges and technique systems. The motion of the joint is complex, involving simultaneous rotations of 3 degrees or less and translations of 2 mm or less in three dimensions. The axes of motion for the SI joint are not straightforward and are largely dependent upon the surface topography of the joints. Traditional chiropractic types of dysfunctions and displacements are oversimplified and specific SI joint adjustments have not been demonstrated to correct these displacements. The primary function of the integrated SI system is the transmission and dissipation of mechanical forces. History, physical examination and clinical diagnostic tests have failed to demonstrate predictive validity for true SI dysfunction. CONCLUSION: Treatment of the SI articulation is difficult and all known SI joint tests have questionable validity, with the exception of pain provocation tests. Clinical treatment should be aimed at improving the stability of the surrounding soft tissues and at reducing mechanical stresses and strains from poor posture or using orthotics to level the sacral base. Much more research is needed in the treatment of this area.

Biomechanical Phenomena↗
PubMed2005

Magnetic resonance imaging of the spine and the sacroiliac joints in ankylosing spondylitis and undifferentiated spondyloarthritis during treatment with etanercept.

OBJECTIVE: To assess the changes in inflammatory lesions of the spine and the sacroiliac (SI) joints as detected by magnetic resonance imaging (MRI) in patients with ankylosing spondylitis (AS) and undifferentiated spondyloarthritis (uSpA) with predominant axial symptoms during treatment with etanercept. METHODS: MRI of the spine and/or the SI joints of patients with active AS or axial uSpA was performed at baseline (TP0, n = 25), after 6 weeks (TP1, n = 20), and after 24 weeks of continuous treatment with etanercept (TP2, n = 12). T1 weighted spin echo pre -(T1), post-gadolinium (T1/Gd-DTPA) and short tau inversion recovery (STIR) MRI sequences were used to assess chronic and active spinal lesions using the scoring system ASspiMRI. Active and chronic SI lesions were assessed using a simple scoring system. RESULTS: By use of the definite STIR sequence, significant regression of spinal inflammation was already seen already after 6 weeks in the patients treated with etanercept (mean (SD) 11.2 (13.8) at TP0 v 6.8 (7.9) at TP1; p = 0.023) but not in patients treated with placebo. Continuous treatment with etanercept for 24 weeks reduced active spinal changes by 69% (p = 0.012). T1/Gd-DTPA sequences gave similar results. There was only a trend for a decrease of active inflammatory lesions of the SI joints. CONCLUSIONS: Etanercept treatment in patients with active AS and uSpA leads to regression of active inflammatory lesions of the spine as depicted by MRI. The potential role of etanercept on deceleration of chronic spinal changes needs further study.

Acute Disease↗