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Real-world utilisation and switching between Janus kinase inhibitors in Australian patients with rheumatoid arthritis in the OPAL dataset. Clin Exp Rheumatol 2024:20537. [PMID: 38757292 DOI: 10.55563/clinexprheumatol/n0kjax] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/11/2024] [Indexed: 05/18/2024]
Abstract
OBJECTIVES To describe use and treatment persistence for Janus kinase inhibitors (JAKi) in rheumatoid arthritis (RA) by line of therapy, and the mechanism of action for the drug switched to after JAKi discontinuation. METHODS This was a retrospective, observational analysis using the OPAL dataset, a large collection of deidentified electronic medical records from 112 rheumatologists around Australia. Adult patients with RA were included if they initiated tofacitinib (TOF), baricitinib (BARI) or upadacitinib (UPA) between 1 October 2015 and 30 September 2021. Data were summarised using descriptive statistics. Kaplan-Meier survival was used to analyse treatment persistence. RESULTS 5,900 patients initiated JAKi within the study window (TOF n=3,662, BARI n=1,875, UPA n=1,814). Median persistence was similar across JAKi within each line of therapy where there was sufficient follow-up, and almost 3 years for first-line: 34.9 months (95% CI 30.8, 40.7; n=1,408) for TOF, 33.6 months (95% CI 25.7, not reached; n=545) for BARI. While JAKi to JAKi switching occurred across all lines of therapy, switches to a tumour necrosis factor inhibitor (TNFi) were more frequent after first- or second-line JAKi. JAKi monotherapy use at baseline increased with line of therapy, and was highest at follow-up after switching to another JAKi. 'Lack of efficacy' was the most common reason for discontinuing JAKi. CONCLUSIONS In this large analysis of Australian real-world practice separated by line of therapy, treatment persistence for JAKi was high overall subject to differential follow-up, but declined in later lines. JAKi to JAKi switching was observed across all lines of therapy.
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Comparative effectiveness of etanercept originator and biosimilar for treating rheumatoid arthritis: implications for cost-savings. Intern Med J 2024; 54:795-801. [PMID: 38009675 DOI: 10.1111/imj.16296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 11/06/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND AND AIMS This study aimed to assess the comparative effectiveness of the etanercept (ETN) originator (Enbrel) and ETN biosimilar SB4 (Brenzys) as first-line treatment in patients with rheumatoid arthritis (RA), while also exploring the potential cost-savings associated with this approach in Australia. METHODS Clinical data were obtained from the Optimising Patient outcomes in rheumatoLogy Australian real-world data set. Adult patients with RA who had initiated treatment with the ETN originator or biosimilar as their first-recorded biologic or targeted synthetic disease-modifying antirheumatic drug between 1 April 2017 and 31 December 2020 were included. Treatment persistence was analysed using survival analysis. Cost-savings were estimated based on data reported by the Australian National Prescribing Service MedicineWise. RESULTS Propensity score matching followed by inverse probability of treatment weighting selected patients taking originator (n = 209) or biosimilar (n = 141) with similar baseline characteristics and eliminated small differences in baseline disease activity. The median time for 50% of the patients to stop treatment was 19.4 months (95% confidence interval [CI], 14.7-36.4 months) for the originator and 22.4 months (95% CI, 15.0-33.1 months) for the biosimilar (P = 0.95). As a result of pricing policies established by the Australian Government, introduction of the ETN biosimilar would have resulted in a cost-savings of over AU$9.5 million for 1 year of treatment for the patients reported in this study. CONCLUSION Treatment persistence using either ETN originator or biosimilar was similar. The cost of all brands of ETN markedly reduced upon listing of the ETN biosimilar, resulting in significant savings for the Australian Government.
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Concerns about the taxonomy, definition and coding of fibromyalgia syndrome in ICD-11: the potential for negative consequences for patient care and research. Clin Exp Rheumatol 2022; 40:1073-1075. [DOI: 10.55563/clinexprheumatol/3bt9qx] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022]
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Historical bioarcheological aspects of diffuse idiopathic skeletal hyperostosis in humans. Semin Arthritis Rheum 2021; 52:151942. [PMID: 34998578 DOI: 10.1016/j.semarthrit.2021.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/04/2021] [Accepted: 12/20/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE To identify diffuse idiopathic skeletal hyperostosis (DISH) in the human bioarcheological record to seek out temporal, geographic and dietary information to enhance better understanding of this common condition. MATERIALS AND METHODS A review of available literature was conducted. RESULTS DISH has been identified in hominin populations over millions of years, including several different human species. The distribution of DISH in ancient populations is diverse, both temporally and geographically. Where available, dietary intake of subjects with DISH, in contrast to those without DISH, suggests that metabolic factors associate with DISH. CONCLUSION DISH is a ubiquitous human disorder over the ages. Metabolic factors appear important in ancient populations of those with DISH.
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Using big data from real-world Australian rheumatology encounters to enhance clinical care and research. Clin Exp Rheumatol 2020; 38:874-880. [PMID: 31820719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/30/2019] [Indexed: 06/10/2023]
Abstract
OBJECTIVES OPAL (Optimising Patient outcomes in Australian rheumatoLogy) Rheumatology is an independent not for profit Australian clinical research organisation which is the custodian of one of the largest datasets of patients with rheumatic diseases in the world, containing real-world clinical data from more than >175,000 unique patients collected over more than 900,000 clinical consultations. We describe the evolution and outcomes of the OPAL dataset, with particular reference to the use of big data derived from real-world clinical encounters to enhance clinical care and research. METHODS De-identified data are regularly extracted and aggregated from the electronic medical records (EMR) of consenting patients treated by approximately 100 rheumatologists around Australia. The EMR shared by OPAL clinicians was specifically customised for rheumatology and collects comprehensive information on demographics, disease history, activity and severity, co-morbidities, pathology, and medication use. In addition, OPAL captures multifaceted outcomes data from the patient perspective through a novel electronic patient-reported outcome (ePRO) delivery system which allows for health-related quality of life measures to be matched with clinical indices. RESULTS Since inception in 2009, OPAL has produced 35 publications and abstracts. OPAL also provides real-world data to determine drug utilisation, efficacy and safety, elucidate the natural history of disease, highlight areas of unmet need, guide medical affairs and commercial strategy, and to support regulatory and reimbursement submissions. CONCLUSIONS The extensive, evolving and organic OPAL dataset reflects the complexities of clinical rheumatological practice. It provides unique opportunities to enhance clinical care and research.
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The Relation of Physical Comorbidity and Multimorbidity to Fibromyalgia, Widespread Pain, and Fibromyalgia-related Variables. J Rheumatol 2019; 47:624-631. [PMID: 31371651 DOI: 10.3899/jrheum.190149] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2019] [Indexed: 01/27/2023]
Abstract
OBJECTIVE To investigate the relation of physical (non-psychological) comorbidity and multimorbidity to quantitative measures of fibromyalgia (FM) and musculoskeletal pain. METHODS We studied 12,215 patients in a research databank with quantitative measures of FM-related variables (FMV) that included binary determinations of FM and widespread pain (WSP), and constituent variables of FM diagnosis that included the WSP index (WPI), the symptom severity score (SSS), and the polysymptomatic distress scale (PSD). We assessed self-reported comorbid conditions and covariates that included age, sex, body mass index, hypertension, smoking history, and total household income. We used nearest-neighbor matching and regression adjustment treatment effects models to measure the effect of comorbidities on FMV. RESULTS We found a positive association between FMV and the probability of having each comorbid condition. Patients with ≥ 1 comorbidities had PSD, WPI, and SSS increases of 3.0 (95% CI 2.7-3.3), 1.8 (95% CI 1.6-2.0), and 1.2 (95% CI 1.1-1.3) units, respectively, and an increase in FM prevalence from 20.4% to 32.6%. As the number of comorbid conditions present increased from 1 to 4 or more, PSD, WPI, SSS, and FM percent increased stepwise. For patients with ≥ 4 conditions, the predicted prevalence of FM was 55.2%. CONCLUSION FM and FMV are associated with an increase in the number of comorbidities, and the association can be measured quantitatively. However, the association of WSP and FM may be an effect of definitions of WSP and FM, because comorbidity increases are also present with subsyndromal levels of both conditions.
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Fibromyalgia has a high prevalence and impact in cardiac failure patients. Eur J Rheumatol 2017; 4:245-249. [PMID: 29308277 DOI: 10.5152/eurjrheum.2017.17026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 06/09/2017] [Indexed: 12/20/2022] Open
Abstract
Objective Chronic cardiac failure (CCF) shares several clinical features with fibromyalgia (FM), a syndrome of increased central sensitivity and musculoskeletal pain. FM frequently coexists with other chronic illness. Musculoskeletal pain is reported in patients with CCF; however, the prevalence and impact of FM in patients with CCF is not known. This research aims to assess the prevalence and effects of concurrent FM in patients with CCF and to identify other coexisting central sensitivity syndromes. Material and Methods In a cross-sectional study, demographic, clinical, and functional information was gathered from participants with CCF from public and private clinics. Cardiac failure severity was rated using the New York Heart Association (NYHA) scale. FM diagnosis was determined using 2011 American College of Rheumatology (ACR) criteria. The short-form 36 (SF-36) assessed overall health function. Results Of the 57 CCF participants (63.2% male, mean age 70.3 years), 22.8% (n=13) met FM diagnostic criteria. CCF patients with FM had poorer outcomes across multiple SF-36 domains (p<0.05), compared to those without, despite having comparable CCF severity. Those with FM were more likely to report other central sensitivity syndromes, especially temporomandibular joint dysfunction (mean Δ=23%, p<0.05), headache (mean Δ=28.8%, p<0.05), and irritable bladder (mean Δ=14%, p<0.05). Conclusion High prevalence of FM was found in patients with CCF. This was associated with increased likelihood of other comorbid central sensitivity syndromes and with poorer clinical outcomes. The recognition of coexisting FM in patients with CCF provides an important opportunity to improve health outcomes by managing FM-related symptoms, in addition to symptoms that relate specifically to CCF.
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Fibromyalgia onset has a high impact on work ability in Australians. Intern Med J 2017; 46:1069-74. [PMID: 27242134 DOI: 10.1111/imj.13135] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 05/16/2016] [Accepted: 05/26/2016] [Indexed: 01/30/2023]
Abstract
BACKGROUND Although the disabling effects of fibromyalgia (FM) are well recognised, there are no published data regarding the impact of FM on work ability in Australians. The impact of the development of FM symptoms on ability to work in Australians was explored in a pilot survey project. METHOD Members of the Fibromyalgia Support Network of Western Australia were invited to undertake an anonymous online survey. Information was gathered regarding demographics, symptom onset, the timing of diagnosis, employment status and changes in the ability to work. RESULTS Two hundred and eighty-seven responses were analysed. Of the respondents, 90.6% were female, with a mean age of 51.1 ± 10.6 years and had experienced symptoms between 2 and 20 years; 52.8% were diagnosed less than 5 years previously. Of the participants, 54.2% were working full time and 21.5% working part time at symptom onset; however, only 15.6% were currently working full time, with 44.8% not currently working at all. Because of FM, 24.3% stopped and 32.6% reduced paid work directly within 5 years of symptom development, with 15.3% ceasing and an additional 17.4% reducing work because of symptoms before diagnosis. Due to FM symptoms, 35.1% currently received financial support because they were unable to work. While 24.3% reported FM medication increased their ability to work, 20.8% reported it reduced their ability to work. CONCLUSION A community pilot survey of Australians with FM indicates a high impact on work ability. This occurs from symptom onset and often before diagnosis. Early diagnosis and intervention may provide a window of opportunity to prevent work disability in FM.
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Fibromyalgia remains a significant burden in rheumatoid arthritis patients in Australia. Int J Rheum Dis 2017; 21:639-646. [PMID: 28296177 DOI: 10.1111/1756-185x.13055] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
AIM High rates of fibromyalgia (FM) are reported in rheumatoid arthritis (RA) patients. Advances in RA management have occurred, but information regarding current significance of FM in RA is limited. This investigation estimated the prevalence and health effects of concomitant FM in Australian RA patients. METHODS Participants were recruited from Australian rheumatology clinics. Subjects were assessed using the 1990 and 2011 American College of Rheumatology (ACR) FM criteria and the polysymptomatic distress score (PDS) was calculated. A medical history and a clinical examination were recorded. RA Disease Activity Score of 28 joints - erythrocyte sedimentation rate (DAS-28 ESR), and the Short Form-36 survey (SF-36) were completed. RESULTS Of 117 RA patients, 33.3% (n = 39) met 1990 ACR FM criteria and 41.9% (n = 49) met 2011 ACR FM criteria. RA patients with comorbid FM had worse outcomes across all domains of health as defined by the SF-36 (P < 0.05). There was correlation between both physical and mental health outcomes and the PDS (P < 0.001). RA patients with FM on average took 1.18 extra ongoing prescribed medications (P < 0.05), despite comparable RA disease activity (DAS-28: 3.09 vs. 3.27, P = NS). Comorbid central sensitivity conditions were more common in patients with FM (P < 0.001). CONCLUSION FM continues to demonstrate a high prevalence in a population of RA patients. RA patients with FM have more symptoms of other chronic sensitivity syndromes in addition to FM. They have a lower quality of life outcome and higher medication use. This has important clinical implications in terms of diagnosis, response to therapy, prescribing choices and clinical outcomes.
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Abstract
The use of opioids for chronic pain has increased significantly due to a combination of the high patient burden of pain and the more widespread availability of a range of long-acting opioid preparations. This increased opioid use has translated into the care of many patients with fibromyalgia. The pain mechanism in fibromyalgia is complex but does not seem to involve disturbance of opioid analgesic functions. Hence, there is general concern about the harms in the absence of benefits of opioids in this setting. There is no evidence that pure opioids are effective in fibromyalgia but there is some evidence that opioids with additional actions on the norepinephrine-related pain modulatory pathways, such as tramadol, can be clinically useful in some patients. Novel actions of low-dose opioid antagonists may lead to better understanding of the role of opioid function in fibromyalgia.
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PTPN22 R620W minor allele is a genetic risk factor for giant cell arteritis. RMD Open 2016; 2:e000246. [PMID: 27110387 PMCID: PMC4838769 DOI: 10.1136/rmdopen-2016-000246] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 03/03/2016] [Accepted: 03/08/2016] [Indexed: 12/14/2022] Open
Abstract
Giant cell arteritis (GCA) is one of the commonest forms of vasculitis in the elderly, and may result in blindness and stroke. The pathogenesis of GCA is not understood, although environmental, infectious and genetic risk factors are implicated. One gene of interest is PTPN22, encoding lymphoid protein tyrosine phosphatase (Lyp), expressed exclusively in immune cells, which is proposed to be an ‘archetypal non-HLA autoimmunity gene’. The minor allele of a functional PTPN22 single nucleotide polymorphism (rs2476601, R620W), which disrupts an interaction motif in the protein, was originally reported to be associated with biopsy-proven GCA in Spanish patients, with supporting data from three replicate Northern European studies. Recently, this observation was extended with additional patients and controls, and studies encompassing European, Scandinavian, UK and American patients. The aim of our study was to determine the association between PTPN22 rs2476601 (R620W) and biopsy-proven GCA in an Australian case cohort.
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In Clinical Practice, the Term “Central Sensitivity Score” Is More Useful Than the Term “Polysymptomatic Distress Scale”: Comment on the Editorial by Wolfe. Arthritis Rheumatol 2015; 67:2553. [DOI: 10.1002/art.39213] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 05/12/2015] [Indexed: 11/06/2022]
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Stress modulates key psychological processes and characteristic symptoms in females with fibromyalgia. Clin Exp Rheumatol 2013; 31:S64-S71. [PMID: 24143887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 08/30/2013] [Indexed: 06/02/2023]
Abstract
OBJECTIVES To examine how stress interacts with psychological processes and key phenotypic symptom characteristics in females with fibromyalgia. METHODS Ninety-eight women with fibromyalgia, diagnosed according to ACR 1990 criteria, and 35 female healthy controls without pain were studied. Applied questionnaires included the following: Perceived Stress scale [PSS], Fibromyalgia Impact Questionnaire [FIQ], Perceived Control of Internal States (PCOIS), Mastery scale and the Profile of Mood States scale (POMS). RESULTS Perceived stress correlated significantly with the characteristic features of fibromyalgia including pain (p<0.05) and sleep change, fatigue and cognitive dysfunction (all p<0.001). Perceived stress correlated inversely with measures of control and positively with mood and neuroticism (all p<0.001). When controlling for stress, most of these variables were no longer significant, suggesting that stress impacts on the majority of variables associated with FM. CONCLUSIONS Stress in females with fibromyalgia associates with both key symptoms and a range of relevant psychological variables. Stress appears to have a major role in modulating several key 'up-stream' processes in fibromyalgia.
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Personality and fibromyalgia syndrome. Open Rheumatol J 2012; 6:273-85. [PMID: 23002409 PMCID: PMC3447191 DOI: 10.2174/1874312901206010273] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 07/29/2012] [Accepted: 08/02/2012] [Indexed: 11/22/2022] Open
Abstract
Objectives:
We aimed to review how personality characteristics contribute to the onset, maintenance or modulation of fibromyalgia. Method:
The databases Medline and PsychINFO were examined from 1967 to 2012 to identify studies that investigated associations between fibromyalgia and personality. Search terms included fibromyalgia and personality, trait psychology, characteristics and individual differences. Results:
Numerous studies indicate that patients with fibromyalgia experience psychological distress. Various instruments have been used to evaluate distress and related psychological domains, such as anxiety or depression, in fibromyalgia. In many cases, these same instruments have been used to study personality characteristics in fibromyalgia with a subsequent blurring of cause and effect between personality and psychological distress. In addition, the symptoms of fibromyalgia may change pre-illness personality characteristics themselves. These issues make it difficult to identify specific personality characteristics that might influence the fibromyalgia process. Despite this inherent problem with the methodologies used in the studies that make up this literature review, or perhaps because of it, we found no defined personality profile specific to fibromyalgia. However, many patients with fibromyalgia do show personality characteristics that facilitate psychological responses to stressful situations, such as catastrophising or poor coping techniques, and these in turn associate with mechanisms contributing to fibromyalgia. Conclusion:
No specific fibromyalgia personality is defined but it is proposed that personality is an important filter that modulates a person’s response to psychological stressors. Certain personalities may facilitate translation of these stressors to physiological responses driving the fibromyalgia mechanism.
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Clinical characteristics of 150 consecutive fibromyalgia patients attending an Australian public hospital clinic. Int J Rheum Dis 2012; 15:348-57. [PMID: 22898214 DOI: 10.1111/j.1756-185x.2012.01767.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AIM To describe clinical characteristics of fibromyalgia in an Australian population. METHOD Data was collected from 150 consecutive patients with clinical features of fibromyalgia seen in an Australian public hospital clinic. Demographic information and clinical characteristics were recorded. Significant correlations between clinical characteristics were identified, then used in multiple regression analyses to identify factors influencing outcome in physical function, pain, fatigue and sleep disturbance. Clinical features in groups who were or were not using different treatment strategies were compared. RESULTS Most patients were female and Caucasian. The majority reported a recognizable trigger factor and many had associated conditions, most commonly headache and irritable bowel syndrome. Physical function was significantly accounted for by pain levels (P = 0.001); pain score was significantly predicted by tenderness (P = 0.002) and physical function level (P = 0.001); fatigue levels were significantly influenced by age (P = 0.007) and sleep disturbance (P < 0.001), and sleep disturbance was significantly predicted by fatigue (P < 0.001). Just over one-third (34%) of patients were using fibromyalgia medications (low-dose tricyclic antidepressant, pregabalin or duloxetine); however, they had less anxiety (P = 0.006) and better reported physical function (P = 0.04) than those who were not. Less than half (43.6%) of the patients were regularly exercising; however, they had reduced overall illness impact scores (P = 0.004), better physical function (P = 0.01) and less fatigue (P = 0.03), anxiety (P = 0.02) and depressive features (P = 0.008) than non-exercisers. CONCLUSION Baseline clinical characteristics in this group were comparable to other study populations. The use of management modalities with proven benefit in fibromyalgia was limited; however, those patients who were engaged in regular exercise or using medication had better self-reported outcome measures than those who were not.
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Abstract
Fibromyalgia syndrome (FMS) is a chronic disorder of widespread pain with high personal and societal burdens. Although targeted pharmacotherapies have become available in recent years, it remains a challenging condition to treat. Despite no randomized controlled trials addressing the short- or long-term use of opioids in FMS, their use remains prevalent. In this article we discuss the role of opioids and other analgesics in the management of FMS, with particular focus on problems associated with their use. We review aspects of the pathophysiology of FMS and consider how specific factors may contribute to the lack of efficacy of opioids in this condition. Finally, we discuss drugs with combined opioid and anti-opioid action and their roles in FMS. There is insufficient evidence to recommend the routine use of opioids in FMS. As well as having a significant adverse effect profile, their inefficacy may be due to their inability to target the pathophysiologic processes involved in this central sensitization syndrome.
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Abstract
Musculoskeletal disorders often have associated pain, functional impairment and work disability, and, not surprisingly, are the most common reasons for utilizing healthcare resources. Rheumatoid arthritis (RA) and fibromyalgia (FM) are causes of musculoskeletal pain and disability. Research indicates that there is a widespread impact of RA and FM on physical, psychological and social factors in affected individuals, and thus, outcome measures that encompass multiple aspects of quality of life are needed. Generic measures of quality of life identify associations between physical conditions and mental health and highlight the need to address psychological functioning to ultimately improve the individuals’ quality of life.
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Fibromyalgia syndrome: which antidepressant drug should we choose. Curr Pharm Des 2006; 12:3-9. [PMID: 16454718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Fibromyalgia syndrome [FM] has core clinical features of widespread pain and widespread abnormal tenderness. The specific cause of the altered neurophysiology that underpins these clinical manifestations remains unclear. However, increased sensitisation of neural networks that relates to pain, as well as interacting mechanoreceptors, appear important targets for modulation by pharmacological agents. Further, many FM patients have emotional distress and some are depressed. Antidepressant agents have therapeutic benefits in FM. If depression is present antidepressant drugs will provide typical benefits to mood but not always to other key outcome measures, such as pain or tenderness. Selective serotonin receptor reuptake blockers are not as effective for overall FM improvement as drugs that block both serotonin and norepinephrine in a relatively balanced way. Thus tricyclic antidepressants will improve many important FM outcomes but are effective in only about 40 percent of individuals. Newer agents of this class, such as duloxetine and milnacipran, show improvement in key FM outcomes in about 60 percent of patients. Longer term studies will indicate the durability of these responses and the overall tolerance of the drugs. Any drug therapy will need to be integrated with appropriate education, exercise and attention to psychological modulatory factors to achieve best results.
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Models of adjustment to chronic illness: Using the example of rheumatoid arthritis. Clin Psychol Rev 2004; 24:461-88. [PMID: 15245831 DOI: 10.1016/j.cpr.2004.03.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2003] [Revised: 01/23/2004] [Accepted: 03/10/2004] [Indexed: 11/16/2022]
Abstract
There are a number of theoretical frameworks that attempt to explain how individuals may adjust to threats to health and serious physical illness. The three major paradigms that attempt to organize key components of health and adaptation to illness include the following: the biomedical model which emphasizes disease; psychological models of adaptation to illness; and biopsychosocial models with the latter two emphasizing health, functioning, and well-being. Each of these three major paradigms, including biomedical, psychosocial, and biopsychosocial frameworks, is discussed and critiqued in turn, and contributions and theoretical issues in terms of adjustment to chronic illness, particularly rheumatoid arthritis (RA), are highlighted. Furthermore, a biopsychosocial framework for conceptualizing adjustment to physical illness is proposed that incorporates elements from key existing biomedical and psychosocial models of adaptation to chronic physical health issues.
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Aminotransferase levels during treatment of rheumatoid arthritis with leflunomide in clinical practice. Ann Rheum Dis 2003; 62:379. [PMID: 12634251 PMCID: PMC1754493 DOI: 10.1136/ard.62.4.379] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
Fibromyalgia syndrome is common and variable in impact, with some patients having a milder and shorter duration of symptoms and others suffering significant and prolonged pain. Disability also varies. It is thought that the syndrome arises from a disordered neurophysiology that, through links to central control inputs, involves emotions, thoughts, and cognitions. Social and psychological sequelae contribute to and result from this process. The biopsychosocial model of disease epitomizes fibromyalgia. Although management may be difficult at times, and much needs to be done, the growing appreciation of strategies that use this described model and the knowledge of the potential reversibility of the syndrome are resulting in improved outcomes.
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Rheumatology. Med J Aust 2002; 176:41. [PMID: 11840944 DOI: 10.5694/j.1326-5377.2002.tb04274.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Longterm methotrexate use in rheumatoid arthritis: 12 year followup of 460 patients treated in community practice. J Rheumatol 2000; 27:1864-71. [PMID: 10955325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
OBJECTIVE To extend our observations on the longterm tolerability of methotrexate (MTX) and reasons for discontinuation in a cohort of 460 patients with rheumatoid arthritis (RA). METHODS We studied all patients with RA who started MTX before June 1986 and attended the community based private practices of 6 rheumatologists in Melbourne. Information to at least April 1, 1995, or within one year of death was updated from the patient's medical records to include MTX discontinuation and reasons for discontinuation. Addition of disease modifying antirheumatic drugs (DMARD) concomitant with MTX was noted. Survival analyses based upon life table methods were used with MTX discontinuation as the observable endpoint. Three different definitions of MTX discontinuation were used (1) according to whether the patient was taking the drug at last followup irrespective of any periods of temporary discontinuation; (2) MTX discontinuation for > 3 months considered to be a treatment endpoint; and (3) addition of concomitant DMARD considered to be only partial success of MTX (as a need for additional therapy to meet treatment goals). RESULTS At 12 years, 53% of patients were continuing to take MTX (irrespective of any periods of temporary discontinuation). If discontinuation of the drug for 3 or more months was considered a treatment termination then 38% were still taking the drug at 12 years, and if addition of concomitant DMARD was regarded as a treatment endpoint only 17% of patients were continuing MTX at 12 years. Withdrawal for gastrointestinal toxicity declined over time but the risk of other adverse effects appeared to persist over time. CONCLUSION MTX in RA is well tolerated over the longer term, with > 50% of patients starting MTX in a community based rheumatology private practice continuing to take it 12 years later. However, a substantial number of patients had 2nd line therapies added over this time. Monitoring for toxicity should continue throughout the course of therapy.
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Abstract
A growing body of research indicates that the stress system, and its interactions with the immune system, play a pivotal role in the aetiology and progression of rheumatoid arthritis (RA). The stress system has multiple levels and comprises physiological, psychological and environmental components. However, most investigations in RA that involve the stress system tend to focus on the interrelationships between neuroendocrine and immune function, and related disease activity, with little regard for the role of other aspects of stress system activation, including psychological variables. This is despite the fact that psychological stressors, and related psychological variables, are known to influence RA disease activity. This article aims to explore the multiple levels of stress system activation and how they may ultimately influence disease-related outcomes in RA. Some measurement issues of psychological stress will also be examined.
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The role of sex hormones in pain response. Pain 1999; 83:112-4. [PMID: 10577144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
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The safety and efficacy of cyclosporine (Neoral) in rheumatoid arthritis. J Rheumatol 1999; 26:2110-3. [PMID: 10529125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
OBJECTIVE To assess the safety and efficacy of cyclosporine (Neoral), its steroid sparing effect, and its usefulness in combination therapy with methotrexate (MTX) in the treatment of refractory rheumatoid arthritis (RA). METHODS All patients given cyclosporine for refractory RA over a 21 month period were included in an open, prospective study. Patients were reviewed initially fortnightly then monthly with clinical evaluation and serum creatinine. There were no restrictions on the use of other disease modifying agents, nonsteroidal antiinflammatory drugs, or corticosteroids. RESULTS Forty-six patients with severe RA were included in the study, 33 (72%) female and 13 (28%) male, with a mean age of 54.8 years (range 20-74). At the completion of the study 30 (65%) were still taking cyclosporine at a mean dose of 2.94 mg/kg/day for a mean duration of 10.5 months. Thirteen patients discontinued cyclosporine due to side effects, most commonly gastrointestinal, and 3 due to inefficacy. Thirty-seven of the 46 patients were taking prednisolone at the start of the study at a mean dose of 10.36 mg/day, which decreased to 7.068 mg/day at the end of the study (p < 0.001). Thirty patients used cyclosporine in combination with MTX. The mean dose of MTX decreased from 15.08 to 13.67 mg/wk (p = 0.02). The mean serum creatinine increased by 13% from 74 to 83.7 micromol/l. Patients who continued therapy had a shorter duration of disease, with a mean of 9.93 years compared to 15.73 years in those who stopped therapy (p = 0.004). CONCLUSION Cyclosporine (Neoral) was a safe and effective therapy in this population of patients with RA refractory to standard therapy. We observed a significant steroid sparing effect and have shown that combination therapy with MTX does not increase side effects and allows for a decrease in MTX dose. Renal function is not adversely affected if guidelines are followed.
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Adult-onset Still's disease: a concise review of clues to an important rare syndrome. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 1999; 29:98-9. [PMID: 10200827 DOI: 10.1111/j.1445-5994.1999.tb01602.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Three year follow-up of body composition changes in pre-menopausal women with systemic lupus erythematosus. Rheumatology (Oxford) 1999; 38:59-65. [PMID: 10334684 DOI: 10.1093/rheumatology/38.1.59] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES To measure the change in body composition in a pre-menopausal female systemic lupus erythematosus (SLE) population over 3 yr, and to identify predictors of change in body composition including the effects of disease-, corticosteroid (CS)- and patient-related variables. METHODS All 55 pre-menopausal females with SLE who participated in a cross-sectional study of body composition in 1994 were invited to undergo interview, examination, medical record review, and body composition assessment by dual-energy X-ray absorptiometry (DXA). RESULTS Twenty-eight subjects participated with a mean (S.E.M.) age of 34.4 (1.6) yr, duration of SLE of 6.8 (0.8) yr and mean (range) time to follow-up of 3.2 (2.9-3.4) yr. Seventeen subjects were exposed to CS during the study period with a mean (range) daily dose of prednisolone of 12.0 (2.8-22.9) mg. There was a significant increase in body mass index (BMI) (24.53+/-0.83 vs 25.37+/-1.04, P = 0.03) and fat-free mass (41.04+/-0.83 vs 41.53+/-0.92, P = 0.05) over the 3 yr period. Univariate analysis revealed that change in fat-free mass was significantly associated with change in total body bone mineral density (BMD) (P = 0.03). Stepwise multiple linear regression analysis revealed a significant independent association of disease activity with increases in both BMI (r2 = 0.41, P = 0.006) and fat mass (r2 = 0.39, P = 0.007), and of exercise and Modified Health Assessment Questionnaire with an increase in fat-free mass (r2 = 0.51, P = 0.007). Age at SLE diagnosis and smoking were significant independent predictors for loss of total body BMD, while CS duration was predictive of an increase in total body BMD (r2 = 0.80, P < 0.0001). CONCLUSION In this SLE population, disease activity was predictive of deleterious changes in body composition, including increases in BMI and fat mass. Patient-related variables were also important predictors of body composition change with exercise independently predicting an increase in fat-free mass, and smoking predictive of loss of total body BMD. In contrast, CS-related variables were not found to have harmful effects on body composition. Change in fat-free mass, and not fat mass, was predictive of change in total body BMD.
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The antiphospholipid antibody syndrome. AUSTRALIAN FAMILY PHYSICIAN 1998; 27:709-13. [PMID: 9735489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Recurrent miscarriages cause enormous distress and despair for sufferers. In a small number of patients this condition forms part of the antiphospholipid antibody syndrome. The anticardiolipin antibodies became quantifiable in 1983, which has meant that those suffering with this condition could be identified. OBJECTIVE This article reviews the current understanding of this condition and offers an approach for managing patients with various components of this syndrome. DISCUSSION The decision to screen for these antibodies is sometimes difficult as they can be presented in the normal population. However, by identifying the patient suffering with this condition, treatment can offered which may prevent a further miscarriage or a pregnant patient suffering a thromboembolic episode.
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Pregnancy outcome in systemic lupus erythematosus (SLE): a review of 54 cases. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 1998; 28:18-22. [PMID: 9544381 DOI: 10.1111/j.1445-5994.1998.tb04453.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
AIM To compare the pregnancy outcome, in particular gestational age and birth weight in women with systemic lupus erythematosus (SLE) diagnosed before and after pregnancy, and to review data on presence or absence of the antiphospholipid (aPL) antibody and flares of disease activity. METHOD Case histories were reviewed of women with a diagnosis of SLE and an obstetric event attending Monash Medical Centre (MMC) over an eight year period (1988-96). Fifty-four pregnancies in 28 women were studied, with 44 occurring after the diagnosis of SLE (Group 1) and ten prior to the diagnosis of SLE (Group 2). RESULTS In Group 1 there were 25 live births (63%) with 16 full term and nine premature deliveries, 12 spontaneous abortions, three foetal deaths in utero and four elective terminations. In Group 2 there were seven live births (70%), two spontaneous abortions and one foetal death in utero. The mean gestational age of live births was 35.8 weeks and 39.2 weeks respectively (p < 0.001). The mean birth weight of live births was 2448 g and 3030 g respectively (p < 0.023). a PL antibodies were positive in eight of 26 women tested with three live births and were negative in 18 of 26 women with 12 live births. Flares of disease activity occurred in 17 of 28 pregnancies. CONCLUSION Pregnancy in women with a predisposition to SLE have a high risk of an adverse outcome. Clinical disease confers an additional risk. The mean gestational age and birth weight were significantly less in women with established disease. Mild flares in disease activity resulted in a favourable outcome while renal flares had a worse outcome.
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Fibromyalgia syndrome: In reply. Med J Aust 1997. [DOI: 10.5694/j.1326-5377.1997.tb140063.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
Low dose pulse oral methotrexate (MTX) is a well established treatment for rheumatoid arthritis, and short term open studies have suggested beneficial effects of MTX in SLE. This study was designed to investigate MTX treatment maintenance rates in SLE using life table analysis, and to determine whether MTX use was associated with a dose reduction of concomitant steroid therapy. All SLE patients managed by physicians affiliated with a single centre were studied cross-sectionally. Information regarding disease variables and drug use were ascertained by interview and chart review. Drug therapy data including dates of treatment and indications for treatment were analysed using Kaplan-Keier life table methods. Among 101 subjects with SLE, 25 MTX treatment episodes were observed in 24 subjects. The period studied totalled 19766 patient-days, with a median (range) duration of observed MTX treatment of 14.4 (5.1-41.6) months. The median (range) initial and peak MTX doses with 7.5 (2.5-10)mg/wk and 10 (7.5-15) mg/week respectively. The principal indication for commencing methotrexate therapy was arthritis. Only two subjects terminated treatment for toxicity, with the most common reason for termination being remission. The cumulative probability of continuing treatment was 68% at 12 months and 61% at 24 months, or 75% and 71% respectively if cessations for remission were excluded. The median (interquartile range) monthly steroid intake during MTX therapy [279.4 (193.4-492.9)mg] was somewhat lower than during the 6 months prior to [298.1 (237.9-531.4)428.8)mg] MTX therapy, but this difference was not significant. A total of 36% of subjects reduced their steroid dose during MTX therapy, but this reduction was not significant. Treatment of SLE with MTX, predominantly for arthritis, was well tolerated over prolonged periods of observation. Toxicity of sufficient severity to lead to treatment termination was uncommon. A subset of subjects were able to reduce steroid intake during MTX therapy, but no overall reduction in steroid dose was observed.
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Rheumatology. 2. Fibromyalgia syndrome. Med J Aust 1996; 165:387-91. [PMID: 8890848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Advances in the understanding of neuroendocrine function in rheumatic disease. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 1996; 26:543-51. [PMID: 8873939 DOI: 10.1111/j.1445-5994.1996.tb00602.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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A database for fibromyalgia. Rheum Dis Clin North Am 1995; 21:527-57. [PMID: 7631042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
FMS is a complex condition mainly characterized by the presence of chronic pain. The nature of this complaint thus demands assessment in a hierarchal fashion of the various components of the pain system ranging from the nociceptor through to complex central pain-processing mechanisms. The condition is common and represents the most important defined chronic pain syndrome. Elucidation of the mechanisms and better management of FMS will result in improved knowledge of a whole range of related chronic pain syndromes. The database in FMS is necessarily large but does need to be focused according to the need of the person constructing the database and the need of the individual with FMS. As our understanding of FMS evolves, better ways of assessing the various dimensions of the problem will be devised. Perhaps the challenge we face is to bring all the parts together. In doing so, we may find there is a single essential component that links all the clinical features together, which correlates well with severity, disability and outcome, which is amenable to treatment programs, and which is measurable. The search for the soul of the "elephant" of FMS continues.
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Combination therapy with methotrexate and sulphasalazine in rheumatoid arthritis--tolerance of therapy. Ann Rheum Dis 1994; 53:703. [PMID: 7979588 PMCID: PMC1005442 DOI: 10.1136/ard.53.10.703-a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Altered heat pain thresholds and cerebral event-related potentials following painful CO2 laser stimulation in subjects with fibromyalgia syndrome. Pain 1994; 58:185-193. [PMID: 7816486 DOI: 10.1016/0304-3959(94)90198-8] [Citation(s) in RCA: 206] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A decrease in mechanical pressure pain thresholds, particularly over pre-designated tender points, is one of the defining characteristics of fibromyalgia syndrome (FS); however, changes in thermal pain sensitivity have not been investigated. The present study examined heat pain thresholds and cerebral event-related potentials following CO2 laser stimulation in 10 subjects with FS and 10 age-matched control volunteers. The results indicate that patients with FS exhibit a significant reduction in heat pain threshold when tested on the dorsal surface of the hand. In accordance with previous research, we also found a decrease in mechanical pain threshold over pre-designated tender points and at control sites as well as a significantly larger mechanically induced neurogenic flare response. These measures were highly correlated with thermal pain threshold even though different anatomical sites were stimulated. Hence, it seems likely that FS patients display a multimodal change in pain sensitivity which is generalized rather than anatomically restricted. Patients with FS also displayed a significant increase in the peak-to-peak amplitude of the cerebral potential evoked by CO2 laser stimulation at pain threshold intensity and 1.5 times pain threshold intensity. These findings suggest a greater activation of central nervous system (CNS) pathways following noxious input. Putative explanations for the increased CNS response are discussed, including mechanisms of peripheral nociceptor sensitization, altered CNS function and the role of psychological factors.
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Abstract
An intracytoplasmic immunofluorescence staining technique which allows the detection and quantification of anti-neutrophil cytoplasmic autoantibodies (ANCA) by flow cytometry is described. A polymorph neutrophil population from human peripheral blood was used in this study as indicator cells. These were fixed and permeabilized by paraformaldehyde, Tween 20 and saponin, to allow ANCA in the patients sera to reach their intracellular antigen targets. The numbers of indicator cells remained unaltered by the permeabilization protocol and no cell aggregation or loss of intracellular antigenicity was observed. An excellent agreement (91% (207/228)) between ANCA detection by immunofluorescence microscopy (IF) and flow cytometry was noted. Compared with IF assay, the flow cytometric method has a sensitivity of 93% (42/45) and a specificity of 90% (165/183). Although not able to discriminate between P-ANCA or C-ANCA, this flow cytometric method has the advantage of providing an objective, reproducible and quantitative measure of ANCA, which makes it an ideal technique for screening of patients sera for ANCA reactivities.
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Abstract
To study the effect of fibromyalgia syndrome (FS) on the expression of systemic lupus erythematosus (SLE) and on the measurement of disease activity, we performed a cross-sectional study of subjects with SLE. Eighty-seven subjects were studied and 22 (25.3%), all female, had FS (Yunus' criteria). Disease activity and organ system involvement were assessed using the systemic lupus activity measure (SLAM) and using 10 cm visual analogue scales (VAS) completed by both physician and patient. No significant difference between FS and non-FS groups in the objective measurement of disease activity was present, median (range) SLAM scores being 5 (0-18) and 6 (0-24), respectively (NS). Similarly, expression of SLE, as measured by the prevalence of specific organ system involvement, was similar in the two groups. In contrast the prevalence of glucocorticoid use, antibodies to DSDNA and fulfilling four ACR criteria was higher in the non-FS group. The rating of SLE disease activity was affected by concomitant FS. Physician and patient disease activity VAS correlated significantly with SLAM scores in non-FS subjects (P < 0.001, Spearman analysis), whereas in FS subjects, neither physician nor patient VAS correlated with SLAM scores. We conclude that FS is prevalent in individuals with SLE and does not affect disease expression but may interfere with the rating of disease activity.
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Fibromyalgia syndrome: assessment of the severity of the condition 2 years after diagnosis. J Rheumatol 1994; 21:523-9. [PMID: 8006897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE To review the outcome of patients with fibromyalgia syndrome (FMS) diagnosed and treated with minimal intervention in community rheumatology practice. METHODS Forty-four ambulant patients with FMS, first seen in a 2-month period and treated with a simple management program, were identified and reviewed 2 years after diagnosis. A variety of clinical and psychological features were assessed using standard techniques. RESULTS Forty-seven percent no longer fulfilled Smythe or ACR criteria for FMS. Remission was objectively identified in 24.2% of assessed patients. Significant differences in objective clinical signs, in symptoms, and in self-described disability were found between patients with and without FMS. Regular physical exercise, rather than drug or specific physical therapies, correlated highly with low FMS activity scores. Analysis of mood and coping strategies at the 2-year review showed low correlations with current FMS activity. CONCLUSION Community FMS has a better prognosis than the literature suggests. Simple intervention may be associated with good outcome in a significant number of patients with FMS.
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Single anticardiolipin measurement in the routine management of patients with systemic lupus erythematosus. J Rheumatol Suppl 1994; 21:91-3. [PMID: 8151597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
OBJECTIVE To examine the usefulness of a single measurement of anticardiolipin antibodies (aCL) in systemic lupus erythematosus (SLE) in routine clinical practice. METHODS All 127 patients with SLE currently followed by our rheumatology unit had an aCL measurement on routine clinic review. Their charts were then reviewed for specific disease manifestations. Basic statistical correlations of the aCL result and the specific disease manifestations were performed, and the clinical utility of the aCL test assessed using Bayesian analysis. RESULTS aCL was positive (> 2 SD) in 24% and was associated with recurrent fetal loss, thrombosis, cerebrovascular disease, livedo reticularis and digital infarcts. Bayesian analysis showed that a single positive aCL test increased the relative and absolute risk of all the above complications. The criterion of aCL positivity as > 15 units (2 SD) was associated with the highest relative risk. CONCLUSION A single positive aCL test in routine management of SLE is a useful predictor of important clinical events.
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Methotrexate therapy in rheumatoid arthritis: a life table review of 587 patients treated in community practice. J Rheumatol Suppl 1993; 20:639-44. [PMID: 8496857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
To determine whether methotrexate (MTX) maintains its effectiveness in rheumatoid arthritis (RA) in the setting of community based private rheumatology practice we used life table analysis to review the combined experience of a group of these practices. Of 587 patients with RA who started to take MTX, total termination rate at 70 months was 24.4% with most terminations prompted by drug toxicity. Older age (greater than 65 years) was associated with higher rates of toxicity. Treatment termination rates varied substantially between rheumatologists. We conclude that MTX therapy for RA is well tolerated and maintains effectiveness for at least 70 months.
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