Abstract:
OBJECTIVE:To test the hypothesis that high concentrations of extracellular inorganic pyrophosphate (PPi), which associate with increased cell synthesis and turnover in cartilage, may act as a marker for structural outcome in knee osteoarthritis (OA). METHOD:One hundred and thirty five consecutive patients referred to hospital with knee OA (59 men, 76 women; mean age 71 years, range 41-88) were followed prospectively for a median of 2.5 years (interquartile range 1.75-3.0). Synovial fluid (SF) aspirated at presentation (202 OA knees: 68 bilateral, 66 unilateral) was assessed for PPi content by radiometric assay. Knee radiographs at presentation and at final review were assessed for change in global (Kellgren) and individual features (narrowing, osteophyte, sclerosis, cyst, attrition) of OA. RESULTS:The median SF PPi level was 10.5 mumol (range 0.07-72.4). At baseline, high PPi was significantly associated with presence of calcium pyrophosphate crystals, chondrocalcinosis, and bone attrition. Radiographic change was observed in 164 knees. High PPi levels were negatively associated with change in Kellgren and Lawrence grade, further narrowing, and increase in osteophyte, but positively associated with development of attrition. In the 68 patients from whom bilateral data were obtained, there was correlation between right and left knees for PPi levels, all baseline radiographic scores, and changes in radiographic features. Multiple logistic regression analysis for PPi as a continuous variable (age, gender, and patient number included in model) showed a negative correlation with change in global Kellgren and Lawrence grade (odds ratio (OR) 0.97, 95% confidence interval (CI) 0.95 to 0.99) and a positive correlation with attrition (OR 1.04, 95% CI 1.02 to 1.07). CONCLUSION:High SF levels of PPi are associated with favourable radiographic outcome in terms of progressive change in Kellgren grade. Such elevated PPi levels, however, may inhibit new bone formation and remodelling in knee OA.
journal_name
Ann Rheum Disjournal_title
Annals of the rheumatic diseasesauthors
Doherty M,Belcher C,Regan M,Jones A,Ledingham Jdoi
10.1136/ard.55.7.432subject
Has Abstractpub_date
1996-07-01 00:00:00pages
432-6issue
7eissn
0003-4967issn
1468-2060journal_volume
55pub_type
杂志文章abstract::Twenty seven patients with primary or possible Sjögren's syndrome with neurological manifestations were compared immunologically with 21 patients with Sjögren's syndrome with an intact nervous system. Patients with Sjögren's syndrome were divided into seropositive and seronegative subgroups with respect to the occurre...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.51.4.506
更新日期:1992-04-01 00:00:00
abstract:BACKGROUND:Cancellous bone from patients with osteoarthritis (OA) has been reported to be undermineralised and that from patients with osteoporosis (OP) is more liable to fracture. Changes in the mineral component might be implicated in these processes. OBJECTIVES:To investigate the thermal stability and the mineral s...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.2004.021329
更新日期:2005-02-01 00:00:00
abstract::Patients who develop reactive arthritis after yersinia enteritis are characterised by high and persisting IgA-anti-yersinia antibodies. We have further analysed the humoral immune response to yersinia in this condition. Total concentrations of IgM, IgG, IgA, and secretory IgA in the serum and specific anti-yersinia an...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.45.7.561
更新日期:1986-07-01 00:00:00
abstract::It has been proposed that the process of hypoxic-reperfusion injury contributes to the persistence of synovitis in the inflamed human joint. The generation of pathological, exercise induced, intra-articular pressure leading to occlusion of the synovial microcirculation is central to this mechanism. However, acute trau...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.50.12.917
更新日期:1991-12-01 00:00:00
abstract:OBJECTIVE:To determine the circulating serum concentrations of nerve growth factor (NGF) and compare them with indices of disease activity in juvenile chronic arthritis. METHODS:NGF concentrations were evaluated with a two site immunoenzymatic assay (ELISA), in 17 children with systemic, 39 with polyarticular, and 24 ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.55.10.745
更新日期:1996-10-01 00:00:00
abstract::The relationship between the tensile properties of articular cartilage and age has been investigated in vitro in the human knee joint. Specimens orientated parallel to the articular surface were excised from the superficial and deep zones of the femoral condyles of knee joints of persons in the age range from 8 to 91 ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.41.5.508
更新日期:1982-10-01 00:00:00
abstract::Peritoneal serositis is not a widely recognised aspect of systemic lupus erythematosus (SLE). Indeed, ascites in SLE is said to occur only when complicated by the nephrotic syndrome, congestive cardiac failure, or hepatic cirrhosis. We describe two patients who developed ascites that could be attributed to none of the...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.44.11.778
更新日期:1985-11-01 00:00:00
abstract:OBJECTIVES:To determine the one year period prevalence of falls by age and sex in patients with rheumatoid arthritis and the influence of concurrent medical treatment and disability on the occurrence of falls in this group. METHODS:A consecutive series of rheumatoid patients aged 35 years and over, attending hospital ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.2004.031195
更新日期:2005-11-01 00:00:00
abstract::A patient with systemic lupus erythematosus was first diagnosed after she had developed the Budd-Chiari syndrome. We believe that the Budd-Chiari syndrome was part of her tendency for thrombosis, induced by the presence of a lupus anticoagulant. The association between enhanced thrombosis and the lupus anticoagulant i...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.45.5.435
更新日期:1986-05-01 00:00:00
abstract:OBJECTIVE:To assess the safety and effectiveness of imatinib mesylate in the treatment of diffuse cutaneous systemic sclerosis (dcSSc). METHODS:In this phase IIa, open-label, single-arm clinical trial, 30 patients with dcSSc were treated with imatinib 400 mg daily. Patients were monitored monthly for safety assessment...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.2010.143974
更新日期:2011-06-01 00:00:00
abstract:OBJECTIVE:To assess how socioeconomic deprivation influences the presentation, treatment, and outcome of patients with rheumatoid arthritis (RA). METHODS:Three year follow up of 869 consecutive patients with RA from nine hospital rheumatology clinics, with patients categorised by the Carstairs deprivation score of the...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.59.10.794
更新日期:2000-10-01 00:00:00
abstract:OBJECTIVES:Hyperplasia of synovial fibroblasts, infiltration with lymphocytes and tissue hypoxia are major characteristics of rheumatoid arthritis (RA). Extensive data support a key role for toll-like receptors (TLRs) in RA. Little is known regarding the impact of hypoxia on TLR-induced inflammation in RA. The aim of t...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/annrheumdis-2012-202444
更新日期:2014-05-01 00:00:00
abstract::While rheumatoid-factor-producing haemolytic plaque-forming cells (RF--PFC) of the human peripheral blood were easily inhibited by cycloheximide, mouse spleen cells immune to sheep red cells (anti-SRC PFC) were inhibited only after prolonged preincubation in the drug. The RF--PFC were easily inhibited by propranolol, ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.38.3.237
更新日期:1979-06-01 00:00:00
abstract:OBJECTIVES:To report the results of a pilot study using rituximab combined with Peg-interferon (IFN) alpha2b-ribavirin in severe refractory hepatitis C virus (HCV) related mixed cryoglobulinaemia (MC) vasculitis. METHODS:Sixteen consecutive patients with severe HCV-MC vasculitis that were resistant (n = 11) or relapse...
journal_title:Annals of the rheumatic diseases
pub_type: 临床试验,杂志文章
doi:10.1136/ard.2007.081653
更新日期:2008-10-01 00:00:00
abstract::A 21-year-old woman developed persistent polyarthritis indistinguishable from rheumatoid arthritis after rubella. The arthritis persisted for approximately 30 months and was associated with high levels of antibody to rubella virus and with rheumatoid factor. The antibody titres declined pari passu with clinical improv...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.37.3.266
更新日期:1978-06-01 00:00:00
abstract:OBJECTIVE:To elucidate factors involved in the arthritogenicity of bacterial cell walls. METHODS:For characterisation of an arthritogenic Eubacterium aerofaciens cell wall, peptidoglycan-polysaccharide (PG-PS) polymers were isolated by removing cell wall associated proteins (CWPs), PG and PS moieties were separated, a...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.60.3.269
更新日期:2001-03-01 00:00:00
abstract:OBJECTIVES:Infectious agents like parvovirus have been implicated as exogenous factors that could trigger onset of systemic lupus erythematosus (SLE). A number of case reports describing a SLE-like presentation of acute human parvovirus B19 infection have been published, but no systematic investigation of the actual se...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.59.1.64
更新日期:2000-01-01 00:00:00
abstract::Dense, granular immunoglobulin deposits have been identified at the epidermo-dermal junction in 4 out of 10 patients who developed toxic reactions to D-penicillamine therapy for rheumatoid arthritis. Three of 4 patients developing a lupus-like syndrome while on penicillamine had similar findings on skin biopsy. Serum ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.38.4.344
更新日期:1979-08-01 00:00:00
abstract:OBJECTIVE:To define the role of ultrasound (US) for the assessment of patients with rheumatoid arthritis (RA) in clinical remission, including joint and tendon evaluation. METHODS:A multicentre longitudinal study has been promoted by the US Study Group of the Italian Society for Rheumatology. 25 Italian centres partic...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章,多中心研究
doi:10.1136/annrheumdis-2018-213217
更新日期:2018-09-01 00:00:00
abstract:OBJECTIVE:To further explore deiodinase iodothyronine type 2 (DIO2) as a therapeutic target in osteoarthritis (OA) by studying the effects of forced mechanical loading on in vivo joint cartilage tissue homeostasis and the modulating effect herein of Dio2 deficiency. METHODS:Wild-type and C57BL/6-Dio2(-/-) -mice were s...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/annrheumdis-2014-206608
更新日期:2016-03-01 00:00:00
abstract::The regression of small rheumatoid nodules was noted in four patients after starting sulphasalazine therapy. This coincided with an improvement in synovitis and also falls in erythrocyte sedimentation rate (ESR) and C reactive protein (CRP). The relation between the nodule regression and the sulphasalazine therapy is ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.46.3.244
更新日期:1987-03-01 00:00:00
abstract::An 85 year old man with a longstanding history of non-tophaceous gout developed a single large tophus, unassociated with inflammation, on his paretic leg over a six week period following an acute hemiplegia. The rapidity of tophus formation, its localisation to the paretic limb, and the apparent blunting of the acute ...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.52.4.308
更新日期:1993-04-01 00:00:00
abstract:OBJECTIVES:The recombinant zoster vaccine (RZV) containing a strong non-aluminium adjuvant is associated with increased risk of gout flares, presumably via NLRP3 inflammasome activation. We tested the possibility that other vaccines may also be associated with gout flares. METHODS:We conducted an online case-crossover...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/annrheumdis-2019-215724
更新日期:2019-11-01 00:00:00
abstract:BACKGROUND:Rice bodies can occur in the joints in many rheumatic conditions, but they are most common in rheumatoid arthritis. They are generally believed to occur rarely in patients with osteoarthritis, but one study reported rice bodies with apatite crystals. OBJECTIVE:To report on a series of joint fluids with rice...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.61.5.387
更新日期:2002-05-01 00:00:00
abstract:OBJECTIVE:To identify predictors of radiographic progression in a 2-year randomised, double-blind, clinical study (CIMESTRA) of patients with early rheumatoid arthritis (RA). METHODS:Patients with early RA (n = 130) were treated with methotrexate, intra-articular betamethasone and ciclosporin/placebo-ciclosporin. Base...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1136/ard.2008.088245
更新日期:2009-03-01 00:00:00
abstract:OBJECTIVE:To determine whether the heterogeneous clinical response to tumour necrosis factor (TNF)alpha blocking therapy in rheumatoid arthritis (RA) can be predicted by TNFalpha expression in the synovium before initiation of treatment. METHODS:Prior to initiation of infliximab treatment, arthroscopic synovial tissue...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.2007.080440
更新日期:2008-08-01 00:00:00
abstract:OBJECTIVES:To evaluate the rate of tuberculosis (TB) in biologic users for rheumatic diseases in South Africa, the effectiveness of our latent TB infection (LTBI) programme, risk factors and outcome. METHODS:TB cases were collected from the South African Biologics Registry (SABIO), rheumatologists and pharmaceutical c...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/annrheumdis-2019-216128
更新日期:2020-02-01 00:00:00
abstract:OBJECTIVE:Genetic variation at the type II deiodinase (D2) gene (DIO2) was previously identified as osteoarthritis (OA) risk factor. To investigate mechanisms possibly underlying this association, we assessed D2 protein in healthy and OA-affected cartilage and investigated allelic balance of the OA risk polymorphism rs...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/annrheumdis-2011-200981
更新日期:2012-07-01 00:00:00
abstract:BACKGROUND:Antibodies directed against citrullinated proteins (eg anti-cyclic citrullinated peptide (CCP)) have excellent diagnostic and good prognostic potential for rheumatoid arthritis. Type 1 autoimmune hepatitis (AIH-1) is a chronic liver disease characterised by a variety of serum autoantibodies. Recently, in a l...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.2006.058933
更新日期:2007-04-01 00:00:00
abstract:OBJECTIVES:To determine the probability of drug continuation in a large cohort of methotrexate treated rheumatoid arthritis (RA) patients, the reasons for discontinuation of methotrexate, the overall survival of the members of this cohort, and the causes of death in these patients. METHODS:Yearly follow up was conduct...
journal_title:Annals of the rheumatic diseases
pub_type: 杂志文章
doi:10.1136/ard.54.9.708
更新日期:1995-09-01 00:00:00