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At least 1,279 records · Page 71Linked to original sources
PubMed2006

Imaging in ankylosing spondylitis.

The introduction of symptomatically highly effective anti-tumour necrosis factor alpha therapies for ankylosing spondylitis (AS) has generated interest in the use of imaging to evaluate the potential structure-modifying properties of these agents. Several approaches have been developed to score the plain radiographic abnormalities in AS. Of these, the modified Stoke AS Spinal Score is the most responsive to change, although responsiveness is limited and requires a minimum of 2 years before significant change becomes apparent in patients on standard therapies. Magnetic resonance imaging (MRI) is the most sensitive imaging abnormality, and the advent of fat-suppression imaging allows detection of bone marrow inflammation in the sacroiliac joints as one of the earliest abnormalities in AS. Limited studies have shown that spinal inflammation can be scored reliably using either a system that evaluates the entire spine or a system that limits evaluation to only the most severely affected spinal segments. Both methods also demonstrate excellent responsiveness. The prognostic significance of acute changes on MRI remains unclear. Reliable approaches to the evaluation of chronic changes are yet to be developed. MRI represents a major advance in the diagnostic evaluation of AS.

Humans↗
PubMed2005

Chronic intestinal inflammation and seronegative spondyloarthropathy in children.

BACKGROUND: Spondyloarthropathy in adults has been shown to be associated with either clinical or subclinical intestinal inflammation, however this association has rarely been described in children. AIM: To report paediatric patients primarily referred to a paediatric gastroenterology centre for suspected inflammatory bowel disease and found to be affected by a seronegative spondyloarthropathy. Intestinal inflammatory lesions and rheumatological features have been described in them. SUBJECTS: During a 18-month period, 129 children were referred because of symptoms and signs suggesting an inflammatory bowel disease; 31 of them (range age: 5-17 years) were selected because they also had signs of axial and/or peripheral arthropathy and form the basis of our study. METHODS: The investigated patients underwent ileo-colonoscopy with biopsy and rheumatological assessment that also included X-ray and magnetic resonance imaging of the sacroiliac joints. RESULTS: Only seven children had a classical inflammatory bowel disease (four had ulcerative colitis, three had Crohn's disease), 12 had an indeterminate colitis, 12 a lymphoid nodular hyperplasia of the distal ileum as main feature. In the latter two groups, endoscopy and histology revealed an intestinal inflammation of chronic type distinct from the classical pattern found in inflammatory bowel disease. All were HLA B27 negative and fulfilled the European Spondyloarthropathy Study Group criteria for spondyloarthropathy (except five children classified as undifferentiated spondyloarthropathy). CONCLUSIONS: In a group of children primarily investigated for suspected inflammatory bowel disease and also presenting a seronegative spondyloarthropathy we have described both intestinal and rheumatological features. The majority of them exhibited either an indeterminate colitis or a lymphoid nodular hyperplasia of the distal ileum as main feature. These patients may be a population at risk of developing a full inflammatory bowel disease phenotype.

Adolescent↗
PubMed2004

Osteosarcoma of the pelvis.

AIMS: To describe the outcomes of a large number of patients with pelvic osteosarcoma, and to define the guidelines for appropriate treatment. METHODS: We reviewed 60 consecutive patients with primary pelvic high-grade osteosarcoma. The tumour involved the whole hemipelvis in 15 cases, while the most common location was the iliac wing in 29 cases (48.3%): 25 of these adjacent to or passing the sacroiliac joint. RESULTS: Thirty patients underwent surgery; there were 16 hindquarter amputations and 14 internal hemipelvectomies. All the patients who presented with metastasis died of their disease. In 18 cases wide margins were achieved, however, eight patients experienced local recurrence. Of the series, only eight patients are still alive. CONCLUSION: The use of intense chemotherapy and surgical wide margin, hardly seems to achieve local control, however, tumour necrosis was correlated with positive prognosis. When internal hemipelvectomy it is not safe enough, amputation must be considered, particularly for cases with sacrifice of the sciatic nerve roots or for older patients where a shorter surgical procedure can be less risky.

Adolescent↗
PubMed2005

Dose-volume analysis of predictors for chronic rectal toxicity after treatment of prostate cancer with adaptive image-guided radiotherapy.

PURPOSE: We analyzed our experience treating localized prostate cancer with image-guided off-line correction with adaptive high-dose radiotherapy (ART) in our Phase II dose escalation study to identify factors predictive of chronic rectal toxicity. MATERIALS AND METHODS: From 1999-2002, 331 patients with clinical stage T1-T3N0M0 prostate cancer were prospectively treated in our Phase II 3D conformal dose escalation ART study to a median dose of 75.6 Gy (range, 63.0-79.2 Gy), minimum dose to confidence limited-planning target volume (cl-PTV) in 1.8 Gy fractions (median isocenter dose = 79.7 Gy). Seventy-four patients (22%) also received neoadjuvant/adjuvant androgen deprivation therapy. A patient-specific cl-PTV was constructed using 5 computed tomography scans and 4 sets of electronic portal images by applying an adaptive process to assure target accuracy and minimize PTV margin. For each case, the rectum (rectal solid) was contoured from the sacroiliac joints or rectosigmoid junction (whichever was higher) to the anal verge or ischial tuberosities (whichever was lower), with a median volume of 81.2 cc. The rectal wall was defined using the rectal solid with an individualized 3-mm wall thickness (median volume = 29.8 cc). Rectal wall dose-volume histogram was used to determine the prescribed dose. Toxicity was quantified using the National Cancer Institute Common Toxicity Criteria 2.0. Multiple dose-volume endpoints were evaluated for their association with chronic rectal toxicity. RESULTS: Median follow-up was 1.6 years. Thirty-four patients (crude rate = 10.3%) experienced Grade 2 chronic rectal toxicity at a median interval of 1.1 years. Nine patients (crude rate = 2.7%) experienced Grade > or =3 chronic rectal toxicity (1 was Grade 4) at a median interval of 1.2 years. The 3-year rates of Grade > or =2 and Grade > or =3 chronic rectal toxicity were 20% and 4%, respectively. Acute toxicity predicted for chronic: Acute Grade 2-3 rectal toxicity (p < 0.001) including any acute rectal Grade 2-3 tenesmus (p = 0.02) and pain (p = 0.008) were significant predictors of chronic Grade > or =2 rectal toxicity. Any acute rectal toxicity (p = 0.001), any acute tenesmus (p = 0.03), and any acute diarrhea (p < 0.001) were also found to be predictive for chronic toxicity, as continuous variables. Dose-volume histogram predicted for chronic toxicity: Rectal wall absolute and relative V50, V60, V66.6, V70, and V72 and rectal solid relative V60-V72 were significantly associated with chronic Grade > or =2 rectal toxicity both as categorical and continuous variables (t test, linear regression) and when divided into subgroups (chi-square table). The chronic rectal toxicity Grade > or =2 risk was 9%, 18%, and 25% for the rectal wall relative V70 <15%, 25%-40%, and >40% respectively. The volume of rectum or rectal wall radiated to > or =50 Gy was a strong predictor for chronic rectal toxicity. Nonpredictive factors: Rectal solid/wall absolute or relative volumes irradiated to < or =40 Gy, dose level, and use of androgen deprivation were not found predictive. CONCLUSIONS: In our ART dose escalation study, rectal wall or rectum relative > or =V50 are closely predictive for chronic rectal toxicity. If rectal dose-volume histogram constraints are used to select the dose level, the risk of chronic rectal toxicity will reflect the risk of toxicity of the selected constraint rather than the dose selected as found in our study using an adaptive process. To select the prescribed dose, different dose-volume histogram constraints may be used including the rectal wall V70. Patients experiencing acute rectal toxicity are more likely to experience chronic toxicity.

Acute Disease↗
PubMed2006

Minimally invasive ilioinguinal approach to the acetabulum.

The classic ilioinguinal approach is a gold standard in acetabular surgery. We developed a modification, a minimally invasive method that entails a median lower abdominal approach with extraperitoneal dissection and exposure of the pubic symphysis. The second incision is lateral, next to the iliac crest. This allows an easy, safe and quick exposure of the anterior iliac ring as well as easy access to the posterior column and wall towards the sacroiliac joint. The iliac vessels and nerves are thereby protected, and no preparation of neurovascular structures is required. The technique was applied in 23 clinical cases and compared with the classic ilioinguinal approach in 9 similar cases over the same period.

Acetabulum↗
PubMed2005

Chronic osteomyelitis of the metacarpals. Report of a case.

UNLABELLED: Chronic osteomyelitis of the hand is uncommon and affects the metacarpals in only 3% of cases. We report a case of chronic osteomyelitis involving two metacarpals, and we present a review of the relevant literature. CASE-REPORT: A 41-year-old man with a 5-year history of psoriatic arthritis was admitted for a swelling over the dorsum of the left hand. At admission, he was in good general health and had no fever. In addition to the swelling, he had synovitis of the right ankle and psoriasis over the hands and elbows. The spine and sacroiliac joints were normal to physical examination. The erythrocyte sedimentation rate was 110 mm/h, the C-reactive protein level was 48 mg/l, and the leukocyte count was 9600/mm3. A radiograph of the hands disclosed a bone-within-bone image in the second and third metacarpals of the left hand and arthritis of the left carpal joints. A fluid collection over the dorsum of the left hand was visualized by ultrasonography. Aspiration recovered serous fluid that contained no organisms by microscopic examination or culture. Investigations for tuberculosis and a serological test for HIV infection were negative. Computed tomography showed a florid periosteal reaction encasing the diaphyses of the second and third metacarpals and enclosing bony sequestra; abnormal carpal bone architecture and thickening of the soft tissues related to joint effusions were seen also. The diagnosis was chronic osteomyelitis of the metacarpals. Two antimicrobials active against staphylococci were given and the bony sequestra were removed surgically. Histological examination of the operative specimens showed nonspecific osteitis. After 3 months of treatment, the outcome was favorable. CONCLUSION: Chronic osteomyelitis of the metacarpals is exceedingly rare but results in severe functional incapacitation and major social and economic burdens. Our case illustrates an unusual pattern with involvement of two metacarpals in the same hand. An early diagnosis followed by prompt treatment increases the likelihood of a favorable outcome.

Anti-Bacterial Agents↗
PubMed2006

Imaging study scores for ankylosing spondylitis.

Scoring systems have been developed for radiographs and magnetic resonance imaging (MRI) in patients with ankylosing spondylitis (AS). Radiographic scores focus on chronic structural alterations, which occur slowly and show little sensitivity to change in the short-term. Recent clinical studies used the modified Stoke ankylosing spondylitis spine score (mSASSS), which evaluates the cervical and lumbar spine. TNF antagonists were found to modify the mSASSS, indirectly supporting a structural effect of these agents. MRI using specific sequences is a potent tool for evaluating inflammation, most notably at the spine. MRI has proved sensitive to change in patients taking TNF antagonists. An outcome measures in rheumatology clinical trials (OMERACT) task force is working on standardizing MRI scores for the spine and sacroiliac joints.

Arthrography↗
PubMed2006

Reversible pelvic asymmetry: an overlooked syndrome manifesting as scoliosis, apparent leg-length difference, and neurologic symptoms.

OBJECTIVE: The objective of this study was to investigate the occurrence of pelvic asymmetry in neurologic patients with symptoms not explained by their neurologic diagnosis. METHODS: We analyzed 150 consecutive neurologic patients referred to physiatric consultation based on their clinical examination findings. RESULTS: We observed pelvic asymmetry associated with either C-type or S-type scoliosis and apparent leg-length difference in 87% of the patients. Symmetry could be reestablished by all patients, although 15% showed immediate or imminent relapse. Maintenance of symmetry showed a highly significant (P < .001) correlation with improvement in functional ability and reduction of pain as evaluated during the last visit to the physiatrist. In the follow-up questionnaire, 78% of the patients reported improvement in functional ability and reduced pain. CONCLUSIONS: Our results support the view that leg-length difference and scoliosis may be more often of reversible nature than previously considered. Acquired postural asymmetry of the sacroiliac joint may be a neglected cause of several neurologic and other pain-related symptoms that can be relieved by a simple and safe treatment.

Biomechanical Phenomena↗
PubMed2004

Deforming chondrosarcoma of the fingers secondary to a long-term enchondromatosis of 28 years.

Enchondromatosis of the hand in the context of the Oilier disease is an infrequent pathologie associated with a high rate of malignancy. In this work, we present a case with multiple enchondromas affecting mainly the fourth and fifth rays of the hand, and with multiple ipsilateral lesions in the foot, sacroiliac joint and iliac bone. This patient is, in addition, an unusual case for a long-term progression (28 years), serious deforming appearance and for the double malignant degeneration to chondrosarcoma of the affected fingers. Clinical features, tumor factors, criterion of diagnosis and prognosis, surgical strategy and follow-up evaluation are analysed, as well as a review of the literature.

Bone Neoplasms↗
PubMed2006

The active straight leg raising test (ASLR) in pregnant women: differences in muscle activity and force between patients and healthy subjects.

Pregnancy-related low back and pelvic pain (PLBP) is a frequent complication of pregnancy. Although pathological mechanisms underlying PLBP are obscure, dysfunction of the sacroiliac joints (SI-joints) seems to play an important role. A cross-sectional study was performed on 24 pregnant women with and without PLBP. The objective was to determine muscle activation patterns of trunk and leg muscles during the active straight leg raising test (ASLR) and static hip flexion, and to determine maximal hip flexion force at 0 and 20 cm leg raise height. Moreover, the effort to raise the leg was scored. The measurements resulted in several significant differences between the patients and healthy controls; among others (a) patients scored subjectively more effort during ASLR, (b) at both 0 and 20 cm leg raise height patients had less hip flexion force, and (c) patients developed more muscle activity during ASLR. Since pregnant women with PLBP developed a higher muscle activity during ASLR with a significantly lower output at 0 and 20 cm than healthy pregnant women, it could be proposed that the ASLR demonstrates a disturbed load transfer across the SI-joints in this population.

Abdominal Muscles↗
PubMedDate not supplied

Piriformis syndrome in a patient after cesarean section under spinal anesthesia.

OBJECTIVES: The diagnosis, pathogenesis, and treatment of piriformis syndrome as a cause of persistent buttock and hip pain after spinal anesthesia are presented in this case report. CASE REPORT: A 29-year-old woman presented 5 days after cesarean delivery with sudden onset of pain in the left buttock and left hip radiating to the posterior knee with fever. She was subsequently diagnosed with piriformis syndrome. CONCLUSIONS: Back pain with radiation into the buttocks after spinal anesthesia is frequently attributed to the spinal procedure itself. However, prolonged sitting and weight bearing in the upright position after cesarean delivery can cause sciatic nerve compression at the sacroiliac joint with concomitant irritation, inflammation, and spasm of the piriformis muscle. Piriformis syndrome is frequently underdiagnosed in the obstetric population. Because the diagnosis of piriformis syndrome is based mainly on clinical signs and symptoms, the clinician must have a high index of suspicion.

Adult↗
PubMed2005

[Spondylarthropathies and anti-TNFalpha drugs].

PURPOSE: Spondylarthropathies are a heterogeneous group of disorders including ankylosing spondylitis, psoriatic arthritis, reactive arthritis, arthritis associated with inflammatory bowel disease, and undifferentiated spondylarthropathies. These diseases are characterised by inflammation in the spine, sacroiliac joints, entheses, peripheral joints, and a strong association with HLA-B27; they may cause severe destruction and/or ankylosis in a minority of patients. Conventional treatment includes non steroidal anti-inflammatory drugs, corticosteroid injections, and DMARDs such as sulfasalazine in patients with peripheral arthritis. TNFalpha appears as an important actor in the pathogenesis of spondylarthropathies. METHOD AND RESULTS: Among the anti-TNFalpha drugs, etanercept and infliximab have proved to be effective in the symptomatic treatment of ankylosing spondylitis and psoriatic arthritis. A clinical relapse was observed within a few weeks after treatment discontinuation in a majority of patients. Potential beneficial effects on the destructive and/or ankylosing evolution remains to be confirmed. CONCLUSIONS: Patients with active, severe and refractory spondylarthropathies are potential candidates for treatment with anti-TNFalpha drugs. Taking into account not only the efficacy but also the side effects, with rare but potentially severe complications such as tuberculosis or other opportunistic infections, and the relatively high cost of these drugs, preliminary criteria for the initiation, monitoring and discontinuation of these drugs in the treatment of spondylarthropathies were proposed. Long-term follow-up in large populations of patients with spondylarthropathies is necessary to better define the benefit/risk/cost ratio of anti-TNFalpha drugs.

Adrenal Cortex Hormones↗
PubMed2006

Ankylosing spondylitis: a contemporary perspective on diagnosis and treatment.

OBJECTIVES: In recent years, great progress has been made in the development of diagnostic tools, therapeutic approaches, and validated outcome measures in the understanding of the pathogenesis of ankylosing spondylitis (AS). The purpose of this review was to summarize these developments. METHODS: We performed a PubMed search for the period 1978 to 2005, using the keyword, "ankylosing spondylitis," resulting in a total of 4878 publications, including 778 reviews. Articles were then selected based on their discussion of recent diagnostic tools and new treatment approaches in the pathogenesis of AS, leading to a final total of 104 articles. RESULTS: In recent years, there have been 2 major developments in the management of AS that make earlier diagnosis possible and offer the hope of alleviating pain and preventing structural changes that result in loss of function. These developments include the use of magnetic resonance imaging to visualize the inflammatory changes in the sacroiliac joint and the axial spine, and the demonstration that tumor necrosis factor blocking agents are highly efficacious in reducing spinal inflammation and possibly in slowing radiographic progression. CONCLUSIONS: There have been major advances in both the diagnostic tools and the therapeutic regimens available for patients with AS.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed1998

Low back pain caused by a duodenal ulcer.

The common diagnoses in low back pain are lumbar strain, lumbosacral radiculopathy, osteoarthritis, degenerative disc disease, spinal stenosis, and sacroiliac joint dysfunction. Unusual causes of low back pain that have been previously identified include abdominal aortic aneurysms, pelvic neoplasms, and retroperitoneal hemorrhages. This report describes a case of back pain that was apparently caused by a duodenal ulcer. A 54-year-old man with no significant medical history presented with a complaint of mid to low back pain (T10-L2), which was diagnosed as joint dysfunction. A comprehensive treatment program was prescribed and the patient was instructed to return to clinic in 4 weeks. Three weeks later, he experienced a syncopal episode followed by coffee ground emesis. He immediately sought medical attention at an emergency room, where he was admitted to the hospital with a diagnosis of upper gastrointestinal bleed. Esophagogastroduodenoscopy showed a large duodenal ulcer, and the patient underwent vagotomy and pyloroplasty. He returned to his physiatrist's office 3 weeks after hospital discharge with minimal back pain. The cause of the back pain proved to be referred visceral pain from his duodenal ulcer. This case is presented to reemphasize the need to include the uncommon phenomena in the differential diagnosis of low back pain.

Duodenal Ulcer↗
PubMedDate not supplied

Lumbosacral nerve root avulsion.

Lumbosacral nerve root avulsion is a rare clinical entity. Since the first description in 1955, only 35 cases have been reported. It is often associated with pelvic fractures and may be missed in the initial clinical examination as these patients usually present with multiple injuries. We present three such cases with clinical and radiological findings. These patients were involved in road traffic accidents. Two had fractures of the sacroiliac joint with diastasis of the symphysis pubis (Tile type C 1.2) and one had fractures of the public rami (Tile type B 2.1). All three had various degrees of sensory and motor deficit of the lower limbs. Lumbar myelogram shows characteristic pseudomeningoceles in the affected lumboscral region. Magnetic resonance (MR) imaging provides an additional non-invasive modality to diagnose this condition.

Accidents, Traffic↗
PubMed1988

Treatment of lower ureteral calculi with extracorporeal shock wave lithotripsy.

A group of 70 patients presenting with stones in the lower third of the ureter was treated with extracorporeal shock wave lithotripsy using a Dornier HM3 lithotriptor. For adequate radiological stone visualization a sitting position was used in 68 patients, while 2 with calculi overlying the sacroiliac joint required placement in the prone position. All but 1 patient had additional endoscopic maneuvers before treatment, consisting of the passage of a Zeiss sling around the stone in 40 and, when this was not possible, a ureteral stent in 29. The over-all success rate was 94.2 per cent (66 of 70 patients) with 3 patients having retained fragments and 1 requiring an open operation. The combination of new positioning techniques and relatively simple endoscopic maneuvers makes treatment of lower ureteral stones feasible and safe with the Dornier lithotriptor.

Adult↗
PubMed1988

Extracorporeal shock wave lithotripsy in the prone position: treatment of stones in the distal ureter or anomalous kidney.

A total of 15 patients underwent ESWL using the Dornier HM3 lithotriptor with the patient in the prone position. The stones were in the distal ureter over the sacroiliac joint in 10 patients, 8 of whom had undergone unsuccessful ureteroscopic manipulation. Two patients had horseshoe kidneys with stones that were too anterior to permit accurate targeting with the patient in the standard supine position. One patient had a solitary stone in a pelvic kidney and 1 had an obstructing ureteropelvic junction stone in a crossed ectopic kidney. The final patient had a reconstructed lower urinary tract with a stone at 1 of the ureterointestinal anastomoses. Excellent pulverization was achieved in all patients after only 1 prone ESWL treatment. One patient required temporary percutaneous nephrostomy after ESWL and 1 may require retrograde manipulation of fragments at the ureterovesical junction. No patient had melena, and other than temporary ileus in 1 patient who had concurrent supine ESWL of renal calculi, no gastrointestinal complications were seen. All but 1 patient were free of stones 1 month after prone ESWL. Prone ESWL prevents blockage of shock wave energy by the bony pelvis, because the shock waves enter anteriorly and exit posteriorly. ESWL with the patient in the prone position is a safe and effective treatment of calculi in the distal ureter or anomalous kidney.

Adult↗
PubMed1998

Follow-up of patients with low back pain during pregnancy.

OBJECTIVE: To identify the long-term risk for low back pain among women with previous severe low back pain during pregnancy. METHODS: In a previous prospective study, 79 pregnant women developed low back pain severe enough to require sick leave. Twelve years later a questionnaire was sent to 62 of these women and 84 controls who did not develop severe low back pain during pregnancy. The questionnaire asked about occupation, low back pain in general and during later pregnancies, and sick leave due to low back pain. There were also questions regarding use of oral contraceptives and its possible relation to low back pain. RESULTS: The response rate was 84% in the back pain group and 80% among controls. The two groups were similar according to the percentage of women having had another pregnancy (33 of 52 [63%] versus 39 of 67 [58%]) but ten (19%) of the women with previous low back pain stated they had refrained from another pregnancy because of their fear of low back pain compared with only one control. Almost all women (31 of 33) with previous severe low back pain experienced the same symptoms in a subsequent pregnancy, compared with 17 of 39 (44%) controls. Even when they were not pregnant, women with previous low back pain suffered more often and used more sick leave due to low back pain (44 of 52 versus 43 of 67, chi2 = 5.68, P < .05). The location (sacroiliac joint or lumbar affection) of the previous low back pain did not affect the long-term prognosis. In a logistic regression model, previous low back pain during pregnancy was the only independent risk factor for low back pain during a subsequent pregnancy, whereas an occupation involving physical demand did not affect the results. However, together with previous low back pain during pregnancy, heavy occupation increased the risk for current nonpregnant low back pain. CONCLUSION: Women with severe low back pain during pregnancy have an extremely high risk for experiencing a new episode of severe low back pain during another pregnancy and when not pregnant.

Adult↗