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At least 289 records · Page 16Linked to original sources
PubMed1990

Relation between form and function in the sacroiliac joint. Part I: Clinical anatomical aspects.

Observations on sectioned and opened preparations of human sacroiliac joints (SI joints) show the presence of cartilage-covered ridges and depressions, which are complementary on the auricular surfaces. These macroscopically visible features of the joints, which become visible relatively early in life, are more pronounced in men than in women. This type of roughening, as well as that by increased coarseness of the auricular surface, is viewed as a nonpathologic adaptation to the forces exerted at the SI joints, leading to increased stability. Differences between men and women may be attributed to childbearing and to a difference in the center of gravity. It is emphasized that intra-articular ridges and depressions can be misinterpreted roentgenologically as osteophytes.

Adult↗
PubMed1985

Intertester reliability for selected clinical tests of the sacroiliac joint.

The purpose of this study was to examine the intertester reliability of 13 tests for sacroiliac joint (SIJ) dysfunction. Eight therapists examined 17 patients in two clinical settings. In each case, two therapists independently examined the patients and obtained results on all 13 of the SIJ tests. Patients with lumbosacral pain and unilateral lower extremity symptoms of a duration less than one year were examined. All the therapists had specialized in orthopedic physical therapy and had been trained in SIJ examination. Reliability was poor; 11 of the 13 tests resulted in less than 70% agreement. The two tests that relied solely on subjective patient response and imparted no information on SIJ position or mobility were within a range of 70% to 90% agreement. Our findings suggest the necessity of reviewing examination methods for the SIJ and improving reliability of clinical testing of this joint.

Adult↗
PubMed1988

Tuberculosis of the sacroiliac joint: clinical features, outcome, and evaluation of closed needle biopsy in 11 consecutive cases.

Sacroiliac joint (SIJ) involvement has been reported in up to 9.7 percent of patients with skeletal tuberculosis. Lack of awareness of this now uncommon form of infection often leads to diagnostic delay and increased morbidity. Eleven consecutive cases of SIJ tuberculosis are reported; clinical and radiologic features, diagnosis, treatment, and outcome are discussed. Buttock pain was the presenting complaint in all patients. However, radicular pain in the lower back (seven patients) or lower limb (10 patients) was common and in one patient precipitated an unnecessary surgical intervention. SIJ tuberculosis is frequently an isolated phenomenon. Therefore, direct sampling of the SIJ is necessary to establish the diagnosis. The recently described technique of closed needle biopsy of the SIJ was employed in all 11 patients and established the diagnosis in nine of the 11.

Antitubercular Agents↗
PubMed2003

[Morphologic analysis of Japanese adult sacroiliac joint using computed tomographic images].

PURPOSE: To study the relationship of angles in adult sacroiliac joints (SJ) with laterality, age, gender, degeneration, childbearing in different locations. METHODS: The study was performed in 92 healthy Japanese adult volunteers (46 males and 46 females, aged 21 approximately 86 years) who had no low back complaints. Axial computed tomographic (CT) images were obtained using an X-VIGOR apparatus (Toshiba Medical Inc. Japan). The angle measurements were taken directly using soft NIH Image 1.61 (Scion Inc. USA). We examined possible factors. Statistical evaluation was calculated using t-test by soft SPSS (SPSS Inc. Japan). RESULTS: Our findings indicated that SJ angles had no relationships with laterality, gender. But from upper part to lower part, the average of SJ angle was 7.61 degrees +/-8.7 degrees, 5.16 degrees +/-7.3 degrees, -0.85 degrees +/-7.3 degrees respectively in the left and 6.56 degrees +/-9.4 degrees, 4.10 degrees +/-7.2 degrees, -2.30 degrees +/-7.0 degrees in the right. The difference is significant between lower part and upper-middle part (P<0.05). CONCLUSION: Our results provided new anatomic and morphological data for better understandings of SJ in the clinic work.

Adult↗
PubMed1998

EMG recordings of abdominal and back muscles in various standing postures: validation of a biomechanical model on sacroiliac joint stability.

In a biomechanical model we described that for stability of the flat sacroiliac joints (SIJ) muscle forces are required which press the sacrum between the two hip bones (self-bracing). Shear loading of these joints is caused by gravity and longitudinally oriented muscles. Protection against shearing can come from transversely oriented muscles like the internal oblique (OI) abdominal muscles. For validation we used standing postures with significantly more or less OI activity compared to activity in a standardized erect standing reference posture. OI activity decreased significantly when (a) resting on one leg (the contralateral), as can be observed at bus stops, (b) tilting the pelvic backward and (c) applying a pelvic belt. We explain this decrease of OI activity by, respectively, decrease of gravity load, decrease of load from the psoas major muscles, and a substitute of self-bracing. The outcome of this study is in line with the biomechanical model on SIJ stability. Clinical relevance of this study regards aspecific low back pain and is found in the effect of the use of a pelvic belt, of a trunk position as adopted when wearing a small rucksack and of the benefit of exercising trunk muscles in extension and torsion.

Abdominal Muscles↗
PubMed1999

Sacroiliac joint tuberculosis. Classification and treatment.

The authors treated 16 patients with tuberculosis of the sacroiliac joint. Twelve were treated surgically and four were treated conservatively. The clinical symptoms were buttock and low back pain in all patients, and most had difficulty walking (68.6%) and had radicular pain in their lower limbs (50%). Of the 16 patients, four (15%) had associated tuberculous spondylitis, six (37.5%) had an abscess in the gluteal region, and two (12.5%) had an abscess in the inguinal region. The diagnosis was proven by pathologic specimen in 12 patients and by clinical symptoms, laboratory data, and radiologic findings in the remaining four patients. The authors classified tuberculous sacroiliitis into four types based on the clinical and radiologic findings. Types 1 and 2 were treated conservatively with chemotherapy alone, whereas Types 3 and 4 were treated with surgery and chemotherapy. Healing occurred and was evident in patients who had curettage and arthrodesis (Types 3 and 4) at a mean of 20.8 months, which was comparable with healing in the patients who had chemotherapy alone that occurred at a mean of 23.5 months (Types 1 and 2). The authors suggest that the new classification will be helpful in determining the therapeutic plan of tuberculous sacroiliitis.

Adolescent↗
PubMed2006

A multitest regimen of pain provocation tests as an aid to reduce unnecessary minimally invasive sacroiliac joint procedures.

OBJECTIVE: To compare the diagnostic accuracy of a multitest regimen of 5 sacroiliac joint (SIJ) pain provocation tests with fluoroscopically controlled double SIJ blocks using a short- and long-acting local anesthetic in order to reduce the exposure of patients to unnecessary invasive SIJ procedures. DESIGN: Prospective, observational study. SETTING: Hospital setting. PARTICIPANTS: Sixty patients with chronic low back pain. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Visual analog scale score and receiver operating characteristic (ROC) curve. RESULTS: Twenty-seven patients responded positively to the blocks, of whom 23 were found positive after the multitest regimen and 4 were negative. For the nonresponders (n=33), these figures were 7 positive and 26 negative. The calculated sensitivity and specificity were .85 (95% confidence interval [CI], .72-.99) and .79 (95% CI, .65-.93), respectively. Positive and negative predictive values were .77 (95% CI, .62-.92) and .87 (95% CI, .74-.99), respectively. The positive likelihood ratio was 4.02 (95% CI, 2.04-7.89); the negative likelihood ratio was .19 (95% CI, .07-.47). The area under the ROC curve was .799. CONCLUSIONS: The test regimen with 3 or more positive tests is indicative of SIJ pain. It can be used in early clinical decision making to reduce the number of unnecessary minimally invasive diagnostic SIJ procedures.

Adult↗
PubMed1982

Sacroiliac joint uptake ratios in inflammatory bowel disease: relationship to back pain and to activity of bowel disease.

Sacroiliac uptake ratios based on 99Tcm methylene diphosphonate images were calculated in 14 patients with ankylosing spondylitis, 23 patients with non-specific backache, 33 patients with inflammatory bowel disease (ulcerative colitis 19, Crohn's disease 14) and 33 control subjects. Twenty-eight of the control subjects were patients referred from a breast cancer clinic. In the control subjects, and in 20 patients with inflammatory bowel disease who did not have back pain, sacroiliac ratios decreased significantly with increasing age (p less than 0.001 and p less than 0.01 respectively). Sacroiliac uptake ratios were significantly higher in ankylosing spondylitis than in patients with non-specific backache. Seven of the 14 patients with ankylosing spondylitis had higher sacroiliac ratios than any recorded in the control subjects. Eleven patients with inflammatory bowel disease had abnormally high sacroiliac uptake ratios; ten of these patients had back pain. Increased sacroiliac joint uptake in such patients may reflect early sacroiliitis. No relationship was detected between sacroiliac uptake and the activity of the bowel disease. Sacroiliac uptake ratios were significantly higher in the inflammatory bowel disease patients suffering from back pain than in age and sex matched patients with (a) inflammatory bowel disease but no back pain or (b) non-specific backache.

Adult↗
PubMed1992

Corticosteroid injection of the sacroiliac joint in patients with seronegative spondylarthropathy.

OBJECTIVE: We report our experience with the use of corticosteroid injections into the sacroiliac joint in the treatment of patients with seronegative spondylarthropathy. METHODS: We performed 42 injections, constituting 24 procedures in 22 patients (2 patients had the procedure performed twice). RESULTS: The response was considered very good or good in 19 of 24 procedures (79.2%) and 34 of 42 joints (81%). Improvement persisted in 14 patients after a mean +/- SD followup time of 9.6 +/- 4.2 months. CONCLUSION: This technique appears to be safe, easy to apply into ambulatory patients, and quite effective.

Adolescent↗
PubMed2001

On biomechanical properties of the sacroiliac joint in purebred dogs.

Relative to the Yorkshire Terriers and Maltese dogs the mean expected sacroiliac joint load was calculated to be 1.4-1.6 times higher in other small breeds and 1.7-2.7 times higher in large breeds. The statistically significantly different (p < 0.01, p < 0.001) and mechanically less efficient inclination angles of the wings of the sacrum in adult large breeds (especially German Shepherd Dogs) suggest even higher forces acting on their sacroiliac ligaments. Unlike the case in small breeds, the sacral auricular surface was concave in large dogs to improve interlocking between sacrum and ilium and to reduce craniocaudal translation. An additional ossification center forming the ventral aspect of the transverse process of the second sacral vertebra was present in large breeds, occasionally in midsized and small, but never in toy breeds. This and the relationship between age and inclination angles of the wings of the sacrum in juvenile specimens indicate an affection of the three-dimensional modeling of the wings of the sacrum by formative stimuli such as body weight and locomotion.

Aging↗
PubMed2003

Pain associated with the sacroiliac joint region: a clinical study of 74 horses.

REASONS FOR PERFORMING STUDY: There has been no large study of horses with suspected sacroiliac (SI) joint region pain in which the clinical diagnosis has been supported by either abnormal radiopharmaceutical activity in the SI joint region or by periarticular infiltration of local anaesthetic solution. OBJECTIVES: To describe the clinical features of horses with SI joint region pain, to document the age, breed, sex, discipline, size and conformation of affected horses and to compare these with the author's (SD) normal case population and to document the results of infiltration of local anaesthetic solution around the SI joint region. METHODS: Horses were selected for inclusion in the study based upon the exclusion of other causes of lameness or poor performance, together with clinical signs suggestive of SI joint pain and abnormal radiopharmaceutical activity in the SI joint region and/or a positive response to periarticular infiltration of local anaesthetic solution. RESULTS: Sacroiliac joint region disease was identified in 74 horses between November 1997 and March 2002. Dressage and showjumping horses appeared to be at particular risk (P < 0.001). Affected horses were generally slightly older than the normal clinic population (P < 0.0001), taller at the withers (P < 0.0001) and of greater bodyweight (P < 0.01). There was a significant effect of breed (P < 0.001), with a substantially higher proportion of Warmblood horses (51%) in the SI pain group compared to the normal clinic population (29%). There was no correlation between conformation and the presence of SI joint region pain. The tubera sacrale appeared grossly symmetrical in most (95%) horses. Poor development of the epaxial muscles in the thoracolumbar region and asymmetry of the hindquarter musculature were common. Twenty-six horses (35%) showed restricted flexibility of the thoracolumbar region and 10 (16%) had an exaggerated response to pressure applied over the tubera sacrale. Fourteen horses (19%) were reluctant to stand on one hindlimb for prolonged periods. The majority of horses (75%) had a straight hindlimb flight and only 18% moved closely behind or plaited. In all horses restricted hindlimb impulsion was the predominant feature; invariably this was most obvious when the horse was ridden. Stiffness, unwillingness to work on the bit and poor quality canter were common. Sacroiliac joint region pain was seen alone (47%), or in conjunction with thoracolumbar pain (16%), hindlimb lameness (20%), forelimb lameness (7%) or a combination of problems (10%). Seventy-three horses (99%) had abnormalities of the SI joint region identified using nuclear scintigraphy. Infiltration of local anaesthetic solution around the SI joint region produced profound improvement in gait in all 34 horses in which it was performed. CONCLUSIONS AND POTENTIAL RELEVANCE: Careful clinical examination combined with scintigraphic evaluation of the SI joint region and local analgesia can enable a more definitive diagnosis of SI joint region pain than has previously been possible.

Age Factors↗
PubMed1983

The radiographic diagnosis of sacroiliitis. A comparison of different views with computed tomograms of the sacroiliac joint.

Conventional radiography is the standard method of objectively identifying sacroiliitis. Single views of the sacroiliac joints can be unequivocally interpreted in 70-80% of patients with low back pain. A series of views usually correctly resolves the ambiguity in the remaining 20-30% of patients (67% correct). Computed tomography will be helpful in the few patients in whom a series of views produces equivocal interpretation.

Arthritis↗
PubMed1999

Three pathways between the sacroiliac joint and neural structures.

BACKGROUND AND PURPOSE: Despite ongoing clinical suspicion regarding the relationship between sacroiliac joint (SIJ) dysfunction and lower extremity symptoms, there is a paucity of scientific literature addressing this topic. The purpose of this study was to describe patterns of contrast extravasation during SIJ arthrography and postarthrography CT in patients with lower back pain and to determine whether there are pathways of communication between the SIJ and nearby neural structures. METHODS: Fluoroscopically guided SIJ arthrography was performed on 76 SIJs. After the injection of contrast medium, anteroposterior, lateral, and oblique radiographs as well as 5-mm contiguous axial and direct coronal CT images were obtained. Contrast extravasation patterns were recorded for each joint. These observations included a search for contrast extravasation from the SIJ that contacted nearby lumbosacral nerve roots or structures of the plexus. RESULTS: Sixty-one percent of all joints studied revealed one of five contrast extravasation patterns. Three of these observed patterns show a pathway of communication between the SIJ and nearby neural structures. These included posterior extravasation into the dorsal sacral foramina, superior recess extravasation at the sacral alar level to the fifth lumbar epiradicular sheath, and ventral extravasation to the lumbosacral plexus. CONCLUSION: Three pathways between the SIJ and neural structures exist.

Adult↗
PubMed1999

Sacroiliac joint innervation and pain.

The present paper reviews current knowledge on the innervation of the human sacroiliac joint (SIJ). We conclude, based on a recent anatomic study on adult cadavers, with fetal correlation, that the joint is predominantly, if not entirely, innervated by sacral dorsal rami. This conclusion is in agreement with patterns of referred pain reported by asymptomatic volunteers upon direct SIJ capsular stimulation and with a reduction in pain in patients treated for (presumptive) SIJ pain by injection of an anesthetic into the SIJ. We also present preliminary data suggesting that the periarticular tissues of the SIJ, like those of other synovial joints, contain mechanoreceptors and nociceptors that function to inform the central nervous system about the state of the joint.

Adult↗
PubMed2004

Stabilization of the sacroiliac joint in vivo: verification of muscular contribution to force closure of the pelvis.

A model of sacroiliac joint (SIJ) function postulates that SIJ shear is prevented by friction, dynamically influenced by muscle force and ligament tension. Thus, SIJ stability can be accommodated to specific loading situations. The purpose of this study was to examine, in vivo, whether muscles contribute to force closure of the SIJ. SIJ stiffness was measured using a verified method combining color Doppler imaging with induced oscillation of the ilium relative to the sacrum in six healthy women. SIJ stiffness was measured both in a relaxed situation and during isometric voluntary contractions (electromyographically recorded). The biceps femoris, gluteus maximus, erector spinae, and contralateral latissimus dorsi were included in this study. Results were statistically analyzed. The study showed that SIJ stiffness significantly increased when the individual muscles were activated. This held especially true for activation of the erector spinae, the biceps femoris and the gluteus maximus muscles. During some tests significant co-contraction of other muscles occurred. The finding that SIJ stiffness increased even with slight muscle activity supports the notion that effectiveness of load transfer from spine to legs is improved when muscle forces actively compress the SIJ, preventing shear. When joints are manually tested, the influence of muscle activation patterns must be considered, since both inter- and intra-tester reliability of the test can be affected by muscle activity. In this respect, the relation between emotional states, muscle activity and joint stiffness deserves further exploration.

Adolescent↗
PubMed1992

Bilateral sacroiliac joint fracture-dislocation requiring late coccygectomy: a case report.

Associated injuries often prevent aggressive management of bilateral sacroiliac fracture-dislocations, although excellent results have been reported with nonsurgical treatment. We report a case of bilateral sacroiliac joint fracture-dislocation in a patient with multiple injuries which was managed with the placement of an external fixation frame. This patient developed a prominent and painful coccyx and ultimately required a coccygectomy. The excellent final result demonstrates the therapeutic role of coccygectomy as a late treatment for this injury.

Accidents, Occupational↗