Updating the American College of Rheumatology revised criteria for the classification of systemic lupus erythematosus.
TL;DR: In 1992, Piette and colleagues suggested that the ACR revised criteria be reevaluated in light of the above discoveries, and the presence and clinical associations or antiphospholipid antibodies in patients with SLE was suggested.
Abstract: In 1982, the Diagnostic and Therapeutic Criteria Committee of the American College of Rheumatology (ACR)published revised criteria for the classification of systemiclupus erythematosus (SLE) (1). During the ensuing decade several investigators, including Drs. Graham Hughes and Donato Alarcon-Segovia, among others, have described the presence and clinical associations or antiphospholipid antibodies in patients with SLE, as well as the occurrence of theprimary antiphospholipid syndrome (2-5). In 1992, Piette and colleagues suggested that the ACR revised criteria be reevaluated in light of the above discoveries (6).
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TL;DR: Global gene expression profiling of peripheral blood mononuclear cells is used to identify distinct patterns of gene expression that distinguish most SLE patients from healthy controls, and identify a subgroup of patients who may benefit from therapies targeting the IFN pathway.
Abstract: Systemic lupus erythematosus (SLE) is a complex, inflammatory autoimmune disease that affects multiple organ systems. We used global gene expression profiling of peripheral blood mononuclear cells to identify distinct patterns of gene expression that distinguish most SLE patients from healthy controls. Strikingly, about half of the patients studied showed dysregulated expression of genes in the IFN pathway. Furthermore, this IFN gene expression “signature” served as a marker for more severe disease involving the kidneys, hematopoetic cells, and/or the central nervous system. These results provide insights into the genetic pathways underlying SLE, and identify a subgroup of patients who may benefit from therapies targeting the IFN pathway.
2,075 citations
University of California, Los Angeles1, University of Palermo2, Lille University of Science and Technology3, National and Kapodistrian University of Athens4, University of Alcalá5, Icahn School of Medicine at Mount Sinai6, University of Duisburg-Essen7, Pennsylvania State University8, University of Adelaide9, Pfizer10, University of Pittsburgh11
TL;DR: It is the view of the AES Task Force on the Phenotype of PCOS that there should be acceptance of the original 1990 National Institutes of Health criteria with some modifications, taking into consideration the concerns expressed in the proceedings of the 2003 Rotterdam conference.
Abstract: Objective: The Androgen Excess Society (AES) charged a task force to review all available data and recommend an evidence-based definition for polycystic ovary syndrome (PCOS), whether already in use or not, to guide clinical diagnosis and future research. Participants: Participants included expert investigators in the field. Evidence: Based on a systematic review of the published peer-reviewed medical literature, by querying MEDLINE databases, we tried to identify studies evaluating the epidemiology or phenotypic aspects of PCOS. Consensus Process: The task force drafted the initial report, following a consensus process via electronic communication, which was then reviewed and critiqued by the AES Board of Directors. No section was finalized until all members were satisfied with the contents and minority opinions noted. Statements that were not supported by peer-reviewed evidence were not included. Conclusions: Based on the available data, it is the view of the AES Task Force on the Phenotype of PCOS that...
1,877 citations
Harvard University1, McGill University2, University of Birmingham3, University College London4, University of Alabama at Birmingham5, McMaster University6, Dalhousie University7, Anschutz Medical Campus8, Mount Sinai St. Luke's and Mount Sinai Roosevelt9, Hospital for Special Surgery10, University of Michigan11, Detroit Receiving Hospital12, Johns Hopkins University13, Virginia Commonwealth University14, University of Texas at San Antonio15, University of Kiel16, Royal Stoke University Hospital17, University of British Columbia18, Henry Ford Health System19, University of California, Los Angeles20
TL;DR: The American College of Rheumatology Nomenclature for NPSLE provides case definitions for 19 neuropsychiatric syndromes seen in SLE, with reporting standards and recommendations for laboratory and imaging tests.
Abstract: OBJECTIVE
To develop a standardized nomenclature system for the neuropsychiatric syndromes of systemic lupus erythematosus (NPSLE).
METHODS
An international, multidisciplinary committee representing rheumatology, neurology, psychiatry, neuropsychology, and hematology developed case definitions, reporting standards, and diagnostic testing recommendations. Before and after the meeting, clinician committee members assigned diagnoses to sets of vignettes randomly generated from a pool of 108 NPSLE patients. To assess whether the nomenclature system improved diagnostic agreement, a consensus index was developed and pre- and postmeeting scores were compared by t-tests.
RESULTS
Case definitions including diagnostic criteria, important exclusions, and methods of ascertainment were developed for 19 NPSLE syndromes. Recommendations for standard reporting requirements, minimum laboratory evaluation, and imaging techniques were formulated. A short neuropsychological test battery for the diagnosis of cognitive deficits was proposed. In the postmeeting exercise, a statistically significant improvement in diagnostic agreement was observed.
CONCLUSION
The American College of Rheumatology (ACR) Nomenclature for NPSLE provides case definitions for 19 neuropsychiatric syndromes seen in SLE, with reporting standards and recommendations for laboratory and imaging tests. It is intended to facilitate and enhance clinical research, particularly multicenter studies, and reporting. In clinical settings, consultation with other specialists may be required. It should be useful for didactic purposes but should not be used uncritically or as a substitute for a clinical diagnosis. The complete case definitions are available on the ACR World Wide Web site: http://www.rheumatology .org/ar/ar.html.
1,830 citations
TL;DR: It is the view of the AE-PCOS Society Task Force that PCOS should be defined by the presence of hyperandrogenism, ovarian dysfunction, and/or polycystic ovaries, and the exclusion of related disorders.
1,678 citations
Cites background from "Updating the American College of Rh..."
...Witness the efforts to define fibromyalgia (18, 19), chronic fatigue syndrome (19, 20), irritable bowel syndrome (21), systemic lupus erythematosus (22, 23), antiphospholipid syndrome (24), and metabolic syndrome (25– 27)....
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TL;DR: The efficacy and safety of the fully human monoclonal antibody belimumab (BLyS-specific inhibitor) was assessed in patients with active systemic lupus erythematosus in a multicentre phase 3 study done in Latin America, Asia-Pacific, and eastern Europe.
1,567 citations
References
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TL;DR: The 1971 preliminary criteria for the classification of systemic lupus erythematosus (SLE) were revised and updated to incorporate new immunologic knowledge and improve disease classification and showed gains in sensitivity and specificity.
Abstract: The 1971 preliminary criteria for the classification of systemic lupus erythematosus (SLE) were revised and updated to incorporate new immunologic knowledge and improve disease classification. The 1982 revised criteria include fluorescence antinuclear antibody and antibody to native DNA and Sm antigen. Some criteria involving the same organ systems were aggregated into single criteria. Raynaud's phenomenon and alopecia were not included in the 1982 revised criteria because of low sensitivity and specificity. The new criteria were 96% sensitive and 96% specific when tested with SLE and control patient data gathered from 18 participating clinics. When compared with the 1971 criteria, the 1982 revised criteria showed gains in sensitivity and specificity.
14,272 citations
TL;DR: A new solid-phase radioimmunoassay for the detection of anticardiolipin antibodies is 200-400 times more sensitive than the precipitation method used in the Venereal Disease Reference Laboratory test and appears to have predictive value for thrombosis in SLE and related disorders.
1,324 citations
1,239 citations
TL;DR: The group of patients presented appears to be closely related, but distinctly separate from SLE, with a history of deep vein thromboses and a family history of SLE or a familial clotting tendency in a minority.
972 citations
Journal Article•
TL;DR: This study shows that properly performed ELISA or SRIA assays can be used to provide an accurate, reproducible, and quantitative measure of IgG and IgM aCL concentration in serum samples.
Abstract: Thirty laboratories from institutions in Britain, France, Italy, The Netherlands, New Zealand, Sweden and the USA participated in a workshop to evaluate the anti-cardiolipin (aCL) test. Participants were asked to measure IgG and IgM aCL in seven samples on each of three separate days. The seven samples were prepared so that IgG and IgM aCL concentrations were known before distribution. Twenty-three of 30 laboratories measuring IgG aCL had significant regression slopes (P less than 0.001) when optical absorbance readings or counts per minute were compared with IgG aCL concentration. Twenty-four of 28 laboratories measuring IgM aCL had significant regression slopes (P less than 0.001). Coefficient of determination (R2) ranged from 81.1% to 98.7% for laboratories with valid IgG aCL assays and from 48.0% to 96.7% for valid IgM aCL assays. Valid assays had in common the use of 10% fetal calf or 10% adult bovine serum in PBS. Assays that were not valid had in common the use of PBS, PBS-Tween, or 0.3% gelatin as diluents. All laboratories with valid assays defined samples with high and moderate aCL levels as positive but there was no consensus about low positive samples. This study shows that properly performed ELISA or SRIA assays can be used to provide an accurate, reproducible, and quantitative measure of IgG and IgM aCL concentration in serum samples.
707 citations