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Kul Cinar O, Papadopoulou C, Pilkington CA. Treatment of Calcinosis in Juvenile Dermatomyositis. Curr Rheumatol Rep 2021; 23:13. [PMID: 33555459 DOI: 10.1007/s11926-020-00974-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE OF REVIEW Juvenile dermatomyositis (JDM) is a rare autoimmune disease characterised by muscle and skin involvement. Calcinosis is a debilitating complication of JDM which is difficult to treat and may cause long-term morbidity. The purpose of this review is to provide an update for the treatment of JDM-associated calcinosis based on previously published studies. RECENT FINDINGS Evidence-based studies are lacking for the management of calcinosis, and current treatment modalities have been largely based on case reports, case series, cohort studies, limited controlled studies and anecdotal clinical experience. The use of early aggressive therapy for resistant cases is strongly suggested to halt persistent disease activity which may help in reducing steroid use and their associated complications. Recent insights into disease pathogenesis, myositis-specific antibodies and genetic associations have led to identification of novel therapeutic targets such as Janus kinase (JAK) 1/2. Different treatment regimens with variable outcomes are in use for the treatment of refractory calcinosis; nevertheless, the level of evidence is not sufficient to propose specific guidelines. Recently, JAK 1/2 inhibitors have shown to be effective as an emerging therapeutic option highlighting that translational and clinical research is crucial to develop targeted treatment for JDM-associated calcinosis.
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Affiliation(s)
- Ovgu Kul Cinar
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK. .,Division of Infection and Immunity, University College London, London, WC1E 6BT, UK.
| | - Charalampia Papadopoulou
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK.,Infection, Inflammation and Rheumatology Section, University College London Great Ormond Street Institute of Child Health, London, WC1N 1EH, UK
| | - Clarissa A Pilkington
- Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK.,NIHR Biomedical Research Centre, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
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Kobayashi I, Akioka S, Kobayashi N, Iwata N, Takezaki S, Nakaseko H, Sato S, Nishida Y, Nozawa T, Yamasaki Y, Yamazaki K, Arai S, Nishino I, Mori M. Clinical practice guidance for juvenile dermatomyositis (JDM) 2018-Update. Mod Rheumatol 2020; 30:411-423. [PMID: 31955618 DOI: 10.1080/14397595.2020.1718866] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Juvenile dermatomyositis is the most common type of juvenile idiopathic inflammatory myopathy mainly affecting the skin and proximal muscles. We have published the Japanese version of 'Clinical practice guidance for juvenile dermatomyositis (JDM) 2018 'consisting of a review of articles in the field and evidence-informed consensus-based experts' opinion on the treatment strategy in collaboration with The Pediatric Rheumatology Association of Japan and The Japan College of Rheumatology under the financial support by 'Research on rare and intractable diseases, Health and Labor Sciences Research Grants'. This article is a digest version of the Japanese guidance.
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Affiliation(s)
- Ichiro Kobayashi
- Center for Pediatric Allergy and Rheumatology, KKR Sapporo Medical Center, Sapporo, Japan
| | - Shinji Akioka
- Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Norimoto Kobayashi
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Naomi Iwata
- Department of Infection and Immunology, Aichi Children's Health and Medical Center, Obu, Japan
| | | | - Haruna Nakaseko
- Department of Infection and Immunology, Aichi Children's Health and Medical Center, Obu, Japan
| | - Satoshi Sato
- Division of Infectious Disease and Immunology, Saitama Children's Medical Center, Omiya, Japan
| | - Yutaka Nishida
- Department of Pediatrics, School of Medicine, Gunma University, Maebashi, Japan
| | - Tomo Nozawa
- Department of Pediatrics, School of Medicine, Yokohama City University, Yokohama, Japan
| | - Yuichi Yamasaki
- Department of Pediatrics, Kagoshima University Hospital, Kagoshima, Japan
| | - Kazuko Yamazaki
- Department of Pediatrics, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan
| | - Satoru Arai
- Department of Dermatology, St. Luke's International Hospital, Tokyo, Japan
| | - Ichizo Nishino
- Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Masaaki Mori
- Lifetime Clinical Immunology, Tokyo Medical and Dental University, Tokyo, Japan
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Spencer CH, Rouster-Stevens K, Gewanter H, Syverson G, Modica R, Schmidt K, Emery H, Wallace C, Grevich S, Nanda K, Zhao YD, Shenoi S, Tarvin S, Hong S, Lindsley C, Weiss JE, Passo M, Ede K, Brown A, Ardalan K, Bernal W, Stoll ML, Lang B, Carrasco R, Agaiar C, Feller L, Bukulmez H, Vehe R, Kim H, Schmeling H, Gerstbacher D, Hoeltzel M, Eberhard B, Sundel R, Kim S, Huber AM, Patwardhan A. Biologic therapies for refractory juvenile dermatomyositis: five years of experience of the Childhood Arthritis and Rheumatology Research Alliance in North America. Pediatr Rheumatol Online J 2017; 15:50. [PMID: 28610606 PMCID: PMC5470177 DOI: 10.1186/s12969-017-0174-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 05/17/2017] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND The prognosis of children with juvenile dermatomyositis (JDM) has improved remarkably since the 1960's with the use of corticosteroid and immunosuppressive therapy. Yet there remain a minority of children who have refractory disease. Since 2003 the sporadic use of biologics (genetically-engineered proteins that usually are derived from human genes) for inflammatory myositis has been reported. In 2011-2016 we investigated our collective experience of biologics in JDM through the Childhood Arthritis and Rheumatology Research Alliance (CARRA). METHODS The JDM biologic study group developed a survey on the CARRA member experience using biologics for Juvenile DM utilizing Delphi consensus methods in 2011-2012. The survey was completed online by the CARRA members interested in JDM in 2012. A second survey was similarly developed that provided more opportunity to describe their experiences with biologics in JDM in detail and was completed by CARRA members in Feb 2013. During three CARRA meetings in 2013-2015, nominal group techniques were used for achieving consensus on the current choices of biologic drugs. A final survey was performed at the 2016 CARRA meeting. RESULTS One hundred and five of a potential 231 pediatric rheumatologists (42%) responded to the first survey in 2012. Thirty-five of 90 had never used a biologic for Juvenile DM at that time. Fifty-five of 91 (denominators vary) had used biologics for JDM in their practice with 32%, 5%, and 4% using rituximab, etanercept, and infliximab, respectively, and 17% having used more than one of the three drugs. Ten percent used a biologic as monotherapy, 19% a biologic in combination with methotrexate (mtx), 52% a biologic in combination with mtx and corticosteroids, 42% a combination of a biologic, mtx, corticosteroids (steroids), and an immunosuppressive drug, and 43% a combination of a biologic, IVIG and mtx. The results of the second survey supported these findings in considerably more detail with multiple combinations of drugs used with biologics and supported the use of rituximab, abatacept, anti-TNFα drugs, and tocilizumab in that order. One hundred percent recommended that CARRA continue studying biologics for JDM. The CARRA meeting survey in 2016 again supported the study and use of these four biologic drug groups. CONCLUSIONS Our CARRA JDM biologic work group developed and performed three surveys demonstrating that pediatric rheumatologists in North America have been using multiple biologics for refractory JDM in numerous scenarios from 2011 to 2016. These survey results and our consensus meetings determined our choice of four biologic therapies (rituximab, abatacept, tocilizumab and anti-TNFα drugs) to consider for refractory JDM treatment when indicated and to evaluate for comparative effectiveness and safety in the future. Significance and Innovations This is the first report that provides a substantial clinical experience of a large group of pediatric rheumatologists with biologics for refractory JDM over five years. This experience with biologic therapies for refractory JDM may aid pediatric rheumatologists in the current treatment of these children and form a basis for further clinical research into the comparative effectiveness and safety of biologics for refractory JDM.
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Affiliation(s)
- CH Spencer
- 0000 0004 0392 3476grid.240344.5Nationwide Children’s Hospital and Ohio State University, Columbus, OH USA
| | - K Rouster-Stevens
- 0000 0001 0941 6502grid.189967.8Emory University School of Medicine, Atlanta, GA USA
| | - H Gewanter
- Pediatric and Adolescent Health Partners, Richmond, VA USA
| | - G Syverson
- 0000 0001 2167 3675grid.14003.36University of Wisconsin-Madison, Madison, WI USA
| | - R Modica
- 0000 0004 1936 8091grid.15276.37University of Florida, Gainesville, FL USA
| | - K Schmidt
- 0000 0001 2113 1622grid.266623.5University of Louisville, Louisville, KY USA
| | - H Emery
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - C Wallace
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - S Grevich
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - K Nanda
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - YD Zhao
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - S Shenoi
- 0000000122986657grid.34477.33Seattle Children’s Hospital, University of Washington, Seattle, WA USA
| | - S Tarvin
- Riley Hospital for Children, Indiana University Medical Center, Indianapolis, IN India
| | - S Hong
- grid.412984.2University of Iowa Health Care, Iowa City, IA USA
| | - C Lindsley
- 0000 0001 2177 6375grid.412016.0University of Kansas Medical Center, Kansas City, KS USA
| | - JE Weiss
- 0000 0004 0407 6328grid.239835.6Sanzari Children’s Hospital, Hackensack University Medical Center, Hackensack, NJ USA
| | - M Passo
- 0000 0000 9075 106Xgrid.254567.7University of South Carolina, Charleston, SC USA
| | - K Ede
- 0000 0001 0381 0779grid.417276.1Phoenix Children’s Hospital, Phoenix, AZ USA
| | - A Brown
- 0000 0001 2200 2638grid.416975.8Texas Children’s Hospital, Houston, TX USA
| | - K Ardalan
- 0000 0004 0388 2248grid.413808.6Lurie Children’s Hospital, Chicago, IL USA
| | - W Bernal
- 0000 0001 2297 6811grid.266102.1University of California, San Francisco, San Francisco, CA USA
| | - ML Stoll
- 0000000106344187grid.265892.2University of Alabama at Birmingham, Birmingham, AL USA
| | - B Lang
- 0000 0004 1936 8200grid.55602.34WK Health Center and Dalhousie University, Halifax, NS Canada
| | - R Carrasco
- Dell Children’s Hospital, Austin, TX USA
| | - C Agaiar
- Children’s Hospital of The Kings Daughter, Norfolk, VA USA
| | - L Feller
- Inland Rheumatology, Waterville, ME USA
| | - H Bukulmez
- 0000 0001 0035 4528grid.411931.fMetro Health Medical Center and Case Western Reserve University, Cleveland, OH USA
| | - R Vehe
- 0000000419368657grid.17635.36University of Minnesota, Minneapolis, MN USA
| | - H Kim
- 0000 0001 2237 2479grid.420086.8National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD USA
| | - H Schmeling
- 0000 0004 1936 7697grid.22072.35Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, AB Canada
| | - D Gerstbacher
- 0000000419368956grid.168010.eLucille Packard Children’s Hospital, Stanford University, Stanford, CA USA
| | - M Hoeltzel
- 0000000086837370grid.214458.eMott Children’s Hospital, University of Michigan, Ann Arbor, MI USA
| | - B Eberhard
- grid.415338.8Cohen Children’s Medical Center of New York, New york, USA
| | - R Sundel
- 0000 0004 0378 8438grid.2515.3Boston Children’s Hospital and Harvard Medical School, Boston, MA USA
| | - S Kim
- 0000 0001 2297 6811grid.266102.1University of California, San Francisco, San Francisco, CA USA
| | - AM Huber
- 0000 0004 1936 8200grid.55602.34WK Health Center and Dalhousie University, Halifax, NS Canada
| | - A Patwardhan
- 0000 0001 2162 3504grid.134936.aSchool of Medicine, University of Missouri, Columbia, MO USA
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Comparative Long-Term Evaluation of Patients With Juvenile Inflammatory Myopathies. J Clin Neuromuscul Dis 2016; 18:21-7. [PMID: 27552385 DOI: 10.1097/cnd.0000000000000131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES We conducted a retrospective study analyzing the clinical features, laboratory findings, demographics, and long-term prognoses of patients with juvenile inflammatory myopathies to determine possible predictors indicating the use of aggressive immunotherapy and the response to and complications of treatment. METHODS The medical records of 41 patients with juvenile inflammatory myopathies seen at University of Tennessee-affiliated hospitals in Memphis from 1969 to 2008 were evaluated. Patients' clinical characteristics, laboratory studies, muscle biopsies, and electromyography were reviewed. All patients were treated with prednisone initially; additionally, 14 patients received varying combinations of other immunosuppressant therapies. RESULTS Seventy-three percent of the patients experienced remission. Patients in the group that did not go into remission had specific characteristics at onset: they were comparatively older and had more severe rashes, contractures, arthritis, and systemic involvement. Also, patients with positive autoantibodies (antinuclear antibody, rheumatoid arthritis factor) had better outcomes. CONCLUSIONS Juvenile inflammatory myopathies have relatively good prognoses. Initial presentation at advanced age or with severe rash, systemic vasculopathies, anemia, or arthritis portends refractory disease; in these patients, second- and third-line therapies improve outcome.
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Abstract
PURPOSE OF REVIEW Ongoing research continues to advance our understanding of the juvenile idiopathic inflammatory myopathies (JIIMs). We review the recent contributions from the published literature about the classification, pathogenesis, assessment, and treatment of JIIMs in basic and translational science and clinical research in 2013 through early 2014. RECENT FINDINGS Large registries, such as the Childhood Arthritis and Rheumatology Research Alliance registry, are conducting trials to enhance our understanding of JIIMs. Ultraviolet radiation exposure 1 month prior to juvenile dermatomyositis (JDM) may trigger the onset of disease. Myositis-specific autoantibodies define clinical phenotypes in JIIMs. MRI is useful in diagnosing JDM and may be used as a disease assessment tool. Type 1 interferon genes and proteins are increasing in use as disease assessment tools, but larger, prospective, validation studies are needed. Moderate-to-intense physical activity is effective in increasing the aerobic capacity of JDM patients in remission. New criteria developed by the Paediatric Rheumatology International Trials Organization for classifying inactive disease in JDM have practical applicability to the current clinical practice and clinical trials as even after 16.8 years of symptom onset, over half of JDM patients still have active disease. SUMMARY There has been significant progress in understanding the clinical characteristics, diagnostic workup, treatment, disease assessment, and prognosis of JIIM patients, but more prospective treatment trials are needed, especially in light of the paucity of the current biologic treatment agents available.
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Singh S, Suri D, Aulakh R, Gupta A, Rawat A, Kumar RM. Mortality in children with juvenile dermatomyositis: two decades of experience from a single tertiary care centre in North India. Clin Rheumatol 2014; 33:1675-9. [PMID: 25053380 DOI: 10.1007/s10067-014-2747-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 05/26/2014] [Accepted: 07/12/2014] [Indexed: 10/25/2022]
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Robinson AB, Hoeltzel MF, Wahezi DM, Becker ML, Kessler EA, Schmeling H, Carrasco R, Huber AM, Feldman BM, Reed AM. Clinical characteristics of children with juvenile dermatomyositis: the Childhood Arthritis and Rheumatology Research Alliance Registry. Arthritis Care Res (Hoboken) 2014; 66:404-10. [PMID: 23983017 DOI: 10.1002/acr.22142] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Accepted: 08/13/2013] [Indexed: 01/16/2023]
Abstract
OBJECTIVE To investigate aspects of juvenile dermatomyositis (DM), including disease characteristics and treatment, through a national multicenter registry. METHODS Subjects meeting the modified Bohan and Peter criteria for definite juvenile DM were analyzed from the cross-sectional Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry between 2010 and 2012 from 55 US pediatric rheumatology centers. Demographics, disease characteristics, diagnostic assessments, and medication exposure data were collected at enrollment. RESULTS A total of 384 subjects met the criteria for analysis. At enrollment, the median Childhood Myositis Assessment Scale score was 51 (interquartile range [IQR] 46-52), the median Childhood Health Assessment Questionnaire score was 0 (IQR 0-0.5), and the median physician and subject global assessment scores were 1 (IQR 0-2) and 1 (IQR 0-3), respectively, out of a maximum of 10. Of the diagnostic assessments, magnetic resonance imaging was more likely than electromyography or muscle biopsy to show abnormalities. A total of 329 subjects had ≥2 diagnostic studies performed, and >34% of these subjects reported ≥1 negative study. Ninety-five percent had been treated with corticosteroids and 92% with methotrexate, suggesting that these medications were almost universally prescribed for juvenile DM in the US. CONCLUSION In 2 years, the ongoing CARRA Registry has collected clinical data on 384 children with juvenile DM and has the potential to become one of the largest juvenile DM cohorts in the world. More research is needed about prognostic factors in juvenile DM, and differences in therapy based on manifestations of disease need to be explored by practitioners. This registry provides the infrastructure needed to advance clinical and translational research and represents a major step toward improving outcomes of children with juvenile DM.
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Lorenzoni PJ, Scola RH, Kay CSK, Prevedello PG, Espíndola G, Werneck LC. Idiopathic inflammatory myopathies in childhood: a brief review of 27 cases. Pediatr Neurol 2011; 45:17-22. [PMID: 21723454 DOI: 10.1016/j.pediatrneurol.2011.01.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Revised: 11/24/2010] [Accepted: 01/24/2011] [Indexed: 11/29/2022]
Abstract
The most common idiopathic inflammatory myopathies in children include juvenile dermatomyositis, juvenile polymyositis, and myositis associated with another autoimmune disease (overlap myositis). Idiopathic inflammatory myopathies manifest different characteristics affecting children. Only a few investigations of childhood idiopathic inflammatory myopathies were reported, involving 27 patients. In addition, clinical findings, serum muscular enzyme levels, results of electromyography studies, muscle biopsy features, and treatment responses were studied. Seventeen female and 10 male were classified as exhibiting juvenile dermatomyositis (n = 19), juvenile polymyositis (n = 6), or overlap myositis (n = 2). Overlap myositis was associated with systemic sclerosis and systemic erythematous lupus. The mean age at onset was 6.1 years for juvenile dermatomyositis, 4.9 years for juvenile polymyositis, and 8.5 years for overlap myositis. The most common signs included proximal weakness and myalgia. The serum creatine kinase level was increased in 48.2% of patients. An electromyography study revealed myopathic features in 85% of patients. Muscle biopsies led to observations of inflammatory infiltrates with preferential perivascular involvement in the juvenile dermatomyositis group, and endomysial involvement in the juvenile polymyositis group. Fiber atrophy was predominantly perifascicular in the juvenile dermatomyositis group. Treatment with prednisone improved the findings in 81.5% of children.
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Affiliation(s)
- Paulo José Lorenzoni
- Neuromuscular Disorders Unit, Division of Neurology, Department of Internal Medicine, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, PR, Brazil
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Huber A, Feldman BM. Long-term outcomes in juvenile dermatomyositis: How did we get here and where are we going? Curr Rheumatol Rep 2005; 7:441-6. [PMID: 16303103 DOI: 10.1007/s11926-005-0048-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Juvenile dermatomyositis (JDM) affects two to four children per million. Prior to treatment with corticosteroids, JDM had a high mortality rate (> 30%) and left 50% of those who survived with serious permanent impairments. After the introduction of corticosteroids, mortality rapidly dropped to less than 10%, and is currently reported to be less than 2% to 3%. Because most children now survive this illness, there is greater interest in long term outcomes. However, review of the literature shows while much is known about mortality, relatively little is known about long term outcomes such as physical function, quality of life, pain, educational and vocational achievement, patient satisfaction, and ongoing disease activity. Furthermore, the literature that has been published has not typically used the same outcomes making comparisons across studies difficult. Current efforts to identify key outcomes and validate measures for those outcomes will allow researchers in the future to provide this much needed information.
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Affiliation(s)
- Adam Huber
- Division of Pediatric Rheumatology, IWK Health Centre, Halifax, Nova Scotia, Canada.
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Abstract
The care and study of children with rheumatic diseases began slowly in the 19th century, with the most attention centered on rheumatic fever. Other rheumatic diseases of children received little attention until the 1940s. Rheumatic diseases taken together remain a significant cause of chronic illness in children throughout the world. A number of other conditions that masquerade as rheumatic diseases in children also demand recognition and management. Although ultimate causes and cures of childhood rheumatic diseases remain elusive, advances in therapy have improved the outlook for affected children, and advances in biomedical research are adding to our basic understanding of the disease process involved. Pediatric rheumatology has become a well-organized, although underpopulated, specialty that enhances recognition and care of affected children and contributes to basic research knowledge in infectious disease, immunology, and genetics. This review focuses most prominently on the early history of pediatric rheumatology and its development as a specialty. The recent burgeoning of new biomedical science and new means of treatment will be better told in the historical perspective of years to come.
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Affiliation(s)
- Jane G Schaller
- International Pediatric Association, Tufts University School of Medicine, Boston, Massachusetts 02111, USA.
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Zipitis CS, Baildam EM, Ramanan AV. Treatment approaches to juvenile dermatomyositis. Expert Opin Pharmacother 2004; 5:1509-15. [PMID: 15212601 DOI: 10.1517/14656566.5.7.1509] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Juvenile dermatomyositis (JDM) is a rare disease of childhood with significant morbidity. Although the mortality and morbidity has improved over recent decades, it is still a chronic disease for a significant proportion of children with JDM. There is a paucity of controlled trials in both adult and juvenile dermatomyositis. In this article, the different therapeutic agents used in clinical practice are outlined. Furthermore, our approach to the treatment of JDM with methotrexate and aggressively tapered steroids in an algorithmic fashion, is discussed.
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Affiliation(s)
- C S Zipitis
- Royal Manchester Children's Hospital, Department of Paediatric Rheumatology, Charlestown Road, Manchester, M7 9AA, UK.
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12
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Abstract
Dermatomyositis is a rare inflammatory myopathy with characteristic skin manifestations and muscular weakness. The disease can be categorized as adult idiopathic, juvenile, or amyopathic dermatomyositis as well as that associated with a connective tissue disease or a malignancy. Immunologic factors are most likely involved in the pathogenesis of the disease; however, genetic and environmental issues may also play important roles. Treatment with immunosuppressive agents has proved successful in the majority of patients, although significant morbidity still occurs.
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Affiliation(s)
- S O Kovacs
- Laser and Skin Surgery Center of New York, New York, USA
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13
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Abstract
OBJECTIVE To review the experience with high-dose intravenous pulse methylprednisolone (IVMP) therapy in patients with juvenile dermatomyositis (JDM) in our institution. STUDY DESIGN We reviewed the charts of seven consecutive patients (four female subjects; three male subjects; age 3 to 18 years (mean age 8 years) treated for JDM between 1989 and 1992. RESULTS All patients met the criteria of Bohan and Peter for JDM and were treated within 3 months of onset of weakness. All received initial treatment with IVMP, 30 mg/kg per day for 3 days, administered weekly for between 1 and 4 weeks. Treatment with orally administered prednisone was required because of deteriorating muscle strength and persistent elevation of creatine kinase activity despite IVMP in five patients, increased skin vasculitis in one patient, and elevated creatine kinase activity with no improvement in strength in one patient. CONCLUSION We conclude that muscle strength in patients with JDM may deteriorate during pulse IVMP therapy when this is used alone as initial treatment, even early in the course of the illness. We recommend either conventional high doses of orally administered corticosteroids or IVMP with oral corticosteroid therapy as initial treatment of JDM.
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Affiliation(s)
- B Lang
- Department of Pediatrics, Izaak Walton Killam Children's Hospital, Dalhousie University, Halifax, Nova Scotia, Canada
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Reed AM, Stirling JD. Association of the HLA-DQA1*0501 allele in multiple racial groups with juvenile dermatomyositis. Hum Immunol 1995; 44:131-5. [PMID: 8666549 DOI: 10.1016/0198-8859(95)00035-6] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We wanted to determine if HLA-DQA1*0501 is as strongly associated with JDMS in Hispanic and African Americans as it is Caucasians. Using DNA sequencing and oligonucleotide typing, the DNA of 70 JDMS subjects was studied. The HLA-DQA1 allelle DQA1*0501 was present in 13 out of 15 (87%) of the African-American JDMS subjects vs 9 out of 27 (33%) of the African-American controls (p < 0.0009), 12 out of 13 (92%) of the Hispanic JDMS subjects vs 5 out of 18 (28%) of the Hispanic controls (p < 0.0004), and 36 out of 42 (86%) of the Caucasian JDMS subjects vs 36 out of 78 (46%) of the Caucasian controls (p < 0.0009).
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Affiliation(s)
- A M Reed
- Department of Pediatrics, University of North Carolina at Chapel Hill, USA
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15
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Affiliation(s)
- A S Boyd
- Department of Dermatology, University of Texas Medical School at Houston 37232-5227
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Nakagawa T, Takaiwa T. Calcinosis cutis in juvenile dermatomyositis responsive to aluminum hydroxide treatment. J Dermatol 1993; 20:558-60. [PMID: 8227711 DOI: 10.1111/j.1346-8138.1993.tb01338.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Calcinosis cutis is a frequent complication of juvenile dermatomyositis; however, its treatment remains unsatisfactory. We report a case of calcinosis cutis in juvenile dermatomyositis which was successfully treated with oral aluminum hydroxide. Almost complete clearing of calcinosis was observed after 8 months of therapy. There were no adverse effects from therapy. Aluminum hydroxide is worth trying in treating calcinosis cutis.
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Affiliation(s)
- T Nakagawa
- Department of Dermatology, Kagawa Medical School, Japan
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Affiliation(s)
- M R Stonecipher
- Department of Dermatology, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, North Carolina 27157
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Ishida T, Ohashi M, Matsumoto Y, Morikawa J, Sasaki R. Connection of atopic disease in Japanese patients with juvenile dermatomyositis based on serum IgE levels. Clin Rheumatol 1993; 12:41-8. [PMID: 8467611 DOI: 10.1007/bf02231557] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Serum IgE levels of 22 patients with juvenile dermatomyositis (JDMS), 44 normal children, and 43 patients with adult dermatomyositis were compared. The geometric mean of serum IgE levels was significantly higher in the juvenile patients when compared with normal children (p < 0.01) and adult patients (p < 0.01). Of the 22 patients with JDMS, 11 (50%) had elevated serum IgE levels accompanied by atopic disease. Dermatomyositis was accompanied by atopic dermatitis (AD) in 9 (41%) of these 22 patients, a high prevalence when compared with reports among the general population. Following the appearance of muscular symptoms in JDMS patients with AD, the ratio of OKT4 to OKT8 cells rose due to a reduction in the percentage of OKT8-positive cells, along with further elevations in serum IgE levels and intractable cutaneous manifestations of dermatomyositis. All this may be a result of an interaction between the immuno-mechanism of this disease and that of AD. We suspect that, in general, children with impaired cell-mediated immunity, presenting with such symptoms as AD, may have a higher tendency for developing JDMS.
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Affiliation(s)
- T Ishida
- Department of Dermatology, Nagoya University School of Medicine, Japan
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19
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Miller LC, Sisson BA, Tucker LB, DeNardo BA, Schaller JG. Methotrexate treatment of recalcitrant childhood dermatomyositis. ARTHRITIS AND RHEUMATISM 1992; 35:1143-9. [PMID: 1418005 DOI: 10.1002/art.1780351006] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To review the clinical course of 16 children with recalcitrant dermatomyositis (DM), who were treated with oral methotrexate (MTX) in addition to prednisone. METHODS Sixteen patients with recalcitrant DM who were treated with MTX in addition to prednisone were followed between 1984 and 1990. The patients' clinical responses to treatment, including alterations in muscle strength and muscle enzyme levels, changes in prednisone dosage, and development of toxicity or complications were reviewed retrospectively. RESULTS All 12 patients who received MTX for at least 8 months regained normal muscle strength. In 11 of the 12, the prednisone dosage could eventually be tapered to < or = 5 mg/day. Complications during MTX treatment required discontinuation of MTX in 5 patients, and were unrelated to the cumulative dose of the drug. Active disease recurred in 5 patients in whom MTX had been discontinued after apparent clinical remission had been achieved. CONCLUSION MTX, in combination with prednisone, is a useful adjunct in the treatment of recalcitrant childhood DM. However, recurrence of disease after withdrawal of MTX suggests that the drug may have a suppressive, rather than a remittive, effect.
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Affiliation(s)
- L C Miller
- Division of Pediatric Rheumatology, Boston Floating Hospital for Infants and Children, New England Medical Center, Massachusetts 02111
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20
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Reed AM, Pachman L, Ober C. Molecular genetic studies of major histocompatibility complex genes in children with juvenile dermatomyositis: increased risk associated with HLA-DQA1 *0501. Hum Immunol 1991; 32:235-40. [PMID: 1783570 DOI: 10.1016/0198-8859(91)90085-n] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Juvenile dermatomyositis (JDMS) is an inflammatory disease associated with HLA-DR3. We therefore undertook molecular genetic studies of HLA region genes to determine whether HLA-DR3 itself confers susceptibility to JDMS or whether susceptibility is conferred by alleles in linkage disequilibrium with HLA-DR3. Our results indicate that JDMS is associated with the HLA-DQA1 allele DQA1 *0501 on non-DR3 haplotypes in Caucasian JDMS. Furthermore, the reported of association between the C4A gene deletion and JDMS is likely due to linkage disequilibrium with HLA-DR3.
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Affiliation(s)
- A M Reed
- Division of Immunology/Rheumatology, Children's Memorial Hospital, Northwestern University Medical School, Chicago, Illinois
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Keim DR, Hernandez RJ, Sullivan DB. Serial magnetic resonance imaging in juvenile dermatomyositis. ARTHRITIS AND RHEUMATISM 1991; 34:1580-4. [PMID: 1747144 DOI: 10.1002/art.1780341217] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Magnetic resonance imaging (MRI) was used to follow the course of juvenile dermatomyositis from the onset of disease through resolution of a primary relapse. The signal intensity of the T2-weighted image of involved muscles was elevated during periods of disease activity, and returned to approximately normal levels with effective suppression of disease activity. T1-weighted images of involved muscles remained approximately normal despite disease activity.
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Affiliation(s)
- D R Keim
- University of Michigan Hospitals, Ann Arbor
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22
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Abstract
PURPOSE The mainstay of pharmacologic therapy in patients with dermatomyositis is corticosteroids. However, because patients sometimes become refractory to these drugs and because these drugs have potential short- and long-term toxicities, alternate therapy is highly desirable. Therefore, a pilot study was initiated using high-dose intravenous gammaglobulin (IVGG) in the treatment of dermatomyositis. PATIENTS AND METHODS IVGG was administered to five patients with juvenile dermatomyositis. Prior to IVGG treatment, all patients had persistent muscle weakness despite daily corticosteroids and three patients had developed unacceptable steroid toxicity. Two of the patients had previously developed toxicity while receiving immunosuppressive therapy. RESULTS IVGG therapy resulted in improved muscle strength and ameliorated skin rash in all patients. The percentage increase in muscle strength as measured by sphygmomanometry following the 9-month course of IVGG ranged from 56% to 606% in the proximal lower extremities and from 30% to 186% in the proximal upper extremities. Following IVGG therapy, prednisone could be discontinued or the dose reduced in all patients. CONCLUSION This study suggests that IVGG may allow steroid sparing in dermatomyositis and may provide a safe alternative to cytotoxic therapy.
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Affiliation(s)
- B A Lang
- Divisions of Immunology/Allergy, Hospital for Sick Children, Toronto, Ontario, Canada
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Hernandez RJ, Keim DR, Sullivan DB, Chenevert TL, Martel W. Magnetic resonance imaging appearance of the muscles in childhood dermatomyositis. J Pediatr 1990; 117:546-50. [PMID: 2213376 DOI: 10.1016/s0022-3476(05)80686-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Documentation of muscle involvement in a child thought to have dermatomyositis may require the performance of invasive procedures such as electromyography and/or muscle biopsy. We describe four patients with dermatomyositis in whom magnetic resonance imaging (MRI) demonstrated the muscle involvement. The involved muscles had increased signal intensity on the T2-weighted images (SE 2500/80) and normal appearance on the T1-weighted images (SE 600/20). The involvement of the muscles was not uniform. There was good correlation between the distribution of muscle involvement by MRI and functional testing. Follow-up MRI scans in patients with favorable outcome demonstrated that the affected muscles had returned to normal signal intensity. Although the MRI findings are not specific, in the proper clinical context they may be helpful in establishing the diagnosis of dermatomyositis. MRI may also be used in establishing an appropriate muscle biopsy site. In addition, MRI may be used for monitoring the progress of the disease.
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Affiliation(s)
- R J Hernandez
- Department of Radiology, University of Michigan Hospitals, Ann Arbor 48109-0252
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Abstract
Juvenile dermatomyositis is a chronic disease of childhood that is manifested by severe symmetrical progressive muscle weakness, a characteristic heliotrope colored skin rash which involves the face, and by elevated serum enzymes related to muscle damage.
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Affiliation(s)
- A L Norins
- Department of Dermatology, Indiana University School of Medicine, Indianapolis
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Abstract
Children with PM/DM differ in many respects from adults with PM/DM. The most characteristic and distinctive feature is the presence of a widespread vasculopathy. Although the pathogenesis is unknown, roles for both humoral and cell-mediated immunity have been proposed. Most intriguing is the evidence for a viral agent that is capable of precipitating an ongoing, immunologically mediated reaction damaging muscles and endothelial cells. Much remains to be discovered, however, regarding the pathogenesis of this disease.
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Affiliation(s)
- L J Roberts
- Department of Dermatology, University of Texas Health Science Center at Dallas/Southwestern Medical School
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27
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Abstract
The presentation, clinical course, and long-term follow-up (3-22 years) of 39 children with dermatomyositis followed from 1962-1982 is presented. The medical course of these patients was complicated by respiratory diseases (20%), gastrointestinal diseases (24%), and calcinosis (30%). Patients presenting prior to 1972 received a wide variety of treatments. Since 1972, treatment has consisted of long-term prednisone, supplemented in some patients with azathioprine. Ten patients died (eight of whom were first seen before 1972) of complications after intestinal perforation (5) or aspiration pneumonia (5). Of 29 survivors, three have persistent calcinosis and/or contractures. Improved outcome since 1972 probably relates to better clinical assessment, management of complications, and regulation of drug therapy.
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Affiliation(s)
- L C Miller
- University of Minnesota Hospital and Clinics, Department of Pediatrics, Minneapolis 55455
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Abstract
Arthritis in children may result from many conditions. The rheumatic diseases, including juvenile rheumatoid arthritis, the spondyloarthropathies, rheumatic fever, lupus erythematosus, dermatomyositis, and the various vasculitis syndromes all can cause arthritis; these diseases are distinguished by their characteristic clinical appearances. Several nonrheumatic disorders such as infections, malignancies, congenital or genetic conditions, orthopedic conditions, and psychological disorders may closely simulate the various rheumatic diseases. The evaluation of children with arthritis rests chiefly on historical and physical findings; radiographs, laboratory tests, and occasionally biopsies also may be helpful. It is particularly important to identify specifically treatable diseases, such as bacterial infections or childhood malignancies, early and to avoid labeling nonrheumatic conditions as rheumatic. Accurate diagnosis of the various rheumatic disease syndromes is important for optimal therapy.
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Johns RA, Finholt DA, Stirt JA. Anaesthetic management of a child with dermatomyositis. CANADIAN ANAESTHETISTS' SOCIETY JOURNAL 1986; 33:71-4. [PMID: 3948051 DOI: 10.1007/bf03010912] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A two years, ten months old male with dermatomyositis was anaesthetized with enflurane, nitrous oxide and oxygen by mask followed by intravenous succinylcholine to facilitate endotracheal intubation. The evoked thumb twitch in response to succinylcholine demonstrated an abnormal, short-lived contracture. The depression, duration and return to control of muscle twitch tension and a transient rise in serum potassium concentration followed a normal pattern.
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31
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Schullinger JN, Jacobs JC, Berdon WE. Diagnosis and management of gastrointestinal perforations in childhood dermatomyositis with particular reference to perforations of the duodenum. J Pediatr Surg 1985; 20:521-4. [PMID: 4057020 DOI: 10.1016/s0022-3468(85)80479-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Four children with dermatomyositis were recently seen with gastrointestinal perforations. The sites of perforation in the four cases were: (1) the duodenum, esophagus, and colon; (2) the duodenum; (3) the distal stomach; and (4) the traverse colon. The gastric and transverse colon perforations were intraperitoneal and easily diagnosed. The gastric perforation was treated successfully by partial gastrectomy. The patient with the colon perforation underwent exteriorization; death occurred from cerebral complications possibly related to vasculitis. Both duodenal perforations were posterior in the distal descending portion. Enzymatic dissection into the right lower quadrant produced confusing clinical and radiographic signs and extensive retroperitoneal necrosis. Successful treatment was obtained by partial gastrectomy, sump drainage of the perforation, and parenteral nutrition. Gastrointestinal perforation is a well-recognized complication of vasculitis in childhood dermatomyositis. In particular, perforations of the distal duodenum, as reported by others, are associated with delay in diagnosis and high mortality.
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Taieb A, Guichard C, Salamon R, Maleville J. Prognosis in juvenile dermatopolymyositis: a cooperative retrospective study of 70 cases. Pediatr Dermatol 1985; 2:275-81. [PMID: 4011505 DOI: 10.1111/j.1525-1470.1985.tb00465.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A retrospective multicenter study was conducted with 70 patients with juvenile dermatopolymyositis. Among survivors with sufficient follow-up (at least two years), a good prognosis subgroup was characterized by significantly better (P less than 0.001) initial response to steroids and less frequent pharyngeal involvement when compared to other patients in a poor prognosis subgroup with significant sequelae or still active disease. Patients who died had more severe pharyngeal involvement than those who survived (P less than 0.05).
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Benbassat J, Gefel D, Larholt K, Sukenik S, Morgenstern V, Zlotnick A. Prognostic factors in polymyositis/dermatomyositis. A computer-assisted analysis of ninety-two cases. ARTHRITIS AND RHEUMATISM 1985; 28:249-55. [PMID: 3977973 DOI: 10.1002/art.1780280303] [Citation(s) in RCA: 144] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
An effort was made to identify all patients with polymyositis/dermatomyositis (PM/DM) admitted to hospitals in Israel from 1956-1976. The diagnosis of PM/DM was retrospectively reviewed in 92 (46 definite, 26 probable, and 20 possible) cases. The most common complaints and physical findings in the course of the disease were muscle weakness (86 patients), rash (53 patients), arthritis or arthralgia (39 patients), and dysphagia (35 patients). Elevated serum aldolase levels were found in 64% of the patients for whom data were available; 92% had abnormal electromyogram results, and 60.9% had muscle histopathology consistent with PM/DM. Malignancy was diagnosed in 13 patients. Malignancy, ischemic heart disease, and pulmonary complications were the most common causes of death. The actuarial survival curve was heterogeneous, with an accelerated mortality during the first year after diagnosis and a slower mortality during the following 7 years. Independent unfavorable prognostic signs were: failure to induce remission, leukocytosis, fever, older age, a shorter disease history, and dysphagia.
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Yoshioka M, Okuno T, Mikawa H. Prognosis and treatment of polymyositis with particular reference to steroid resistant patients. Arch Dis Child 1985; 60:236-44. [PMID: 3985655 PMCID: PMC1777183 DOI: 10.1136/adc.60.3.236] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Eight boys and six girls with polymyositis examined between 1967 and 1982 were studied. The mean age of disease onset was 5 years 5 months. The initial regimen was prednisolone, 1.2 to 2.3 mg/kg/day, and after four weeks this dose was decreased gradually to a maintenance level of 5 to 20 mg on alternate days. The total treatment period was 3 years 6 months on average. Eleven of the 14 children had a uniphasic course, and steroids were stopped without a resurgence of the disease: three were refractory to steroid treatment. One of these died of a cardiomyopathy seven years after the onset of the illness despite treatment with steroids and cyclophosphamide; the second was treated with adrenocorticotrophic hormone after prednisolone, but without benefit; and in the third a series of treatment with lympho-plasmapheresis and cyclophosphamide resulted in some improvement. As cardiac involvement in polymyositis may become overt if the disease persists for many years, patients refractory to steroids should be given alternative treatment.
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35
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Abstract
As the presenting complaint in 7 per cent of pediatrician visits, pain in the limbs is a common problem in childhood. It is important that the diagnosis be made expeditiously. The authors review the possible organic cause of limb pain, as well as limb pain from conversion reactions and from growing pains, giving special attention to the differential diagnosis so that appropriate treatment for the pain can be initiated.
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Abstract
Sixty-six patients with possible juvenile dermatomyositis (JDMS) were observed at the Children's Hospital of Los Angeles from 1960 to 1982. In patients initially given high doses of corticosteroids followed by low-dose therapy, three different clinical courses had previously been observed: monocyclic, polycyclic, and chronic continuous. We reviewed the records of 32 patients who met study criteria. The course of JDMS was monocyclic in eight children, chronic polycyclic in 10, and chronic continuous in 14. Of these children, 25 are well and not receiving medication; one has mild JDMS, without corticosteroid therapy; four have active JDMS despite corticosteroid therapy (one is severely handicapped); and two have died. Our results support the improved prognosis of JDMS after corticosteroid therapy, but also the great clinical variability of the disease. Understanding of this variability, as reflected in the three disease courses, facilitates physician choice of the optimal treatment with the least drug toxicity for the individual patient, continuing efforts to clarify the disease pathogenesis, and research efforts to improve current treatment programs for the patient with severe JDMS.
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Abstract
The role of systemic glucocorticosteroid therapy in the management of dermatologic disorders in children is limited. Most skin diseases requiring the antiinflammatory or antiproliferative effects of steroids are best managed with topical preparations, because they exert local effects almost exclusively and cause few if any systemic side effects when used properly. There are, however, certain skin diseases, which because of their severity or their intrinsic nature, do not respond adequately to these agents. We propose the indications for pharmacologic doses of systemic glucocorticosteroids in dermatologic disease, the preferred route of administration, the most common as well as the more rare side effects of this therapy. Withdrawal of patients from chronic use of these drugs is also discussed.
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Bowyer SL, Blane CE, Sullivan DB, Cassidy JT. Childhood dermatomyositis: factors predicting functional outcome and development of dystrophic calcification. J Pediatr 1983; 103:882-8. [PMID: 6644423 DOI: 10.1016/s0022-3476(83)80706-9] [Citation(s) in RCA: 185] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The medical records of 47 children with dermatomyositis who were seen in the pediatric rheumatology clinic at the University of Michigan between 1964 and 1982 were reviewed. Although most children with dermatomyositis have a good prognosis, the best predictor of both good functional recovery and minimal calcinosis is early treatment after the onset of symptoms, using high doses of prednisone for an adequate length of time. Of the children given such treatment, 78% had good functional outcomes, and disabling calcinosis was seen in 20% or less. Children given treatment late in the course of disease and with low doses of steroids are more likely to be functionally limited and have a greater amount of dystrophic calcium salt deposition. In our study, only 33% of patients given such treatment had a mild disease course with good functional outcome. We have identified a subgroup of children with dermatomyositis who appear to do poorly despite optimal therapeutic regimens. These patients are distinguished by a severe disease course responding minimally to corticosteroid therapy and manifested by persistent muscle weakness, elevations of muscle enzyme activity, and severe generalized cutaneous vasculitis. These children are at high risk for the development of exoskeleton-like calcification; consideration should be given to combined immunosuppressive therapy early in the course of disease.
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39
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40
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Abstract
A series of 29 children with dermatomyositis has been reviewed and the outcome compared between cases treated by us initially with a low dosage short duration course of corticosteroids, and those referred late and having had various different therapeutic regimens and usually more active and higher dosage drug schedules. There were fewer relapses and less morbidity in the low dosage short term group. It was noted also that there was no relation between the initial mode of onset or severity and the eventual outcome or course of the disease. However, pronounced skin vasculitis appeared to reflect severity of disease.
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41
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Ziskind M, Hanno R. Dermatomyositis. Int J Dermatol 1983. [DOI: 10.1111/j.1365-4362.1983.tb03345.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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43
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Kallen P, Nies KM, Louie JS, Keller M, Worthen N, Bayer AS. Tropical pyomyositis. ARTHRITIS AND RHEUMATISM 1982; 25:107-10. [PMID: 7066029 DOI: 10.1002/art.1780250119] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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44
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45
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Abstract
Twenty-one children were diagnosed as having juvenile dermatomyositis on the basis of the strict criteria of Bohan and Peter. In addition to the typical skin and muscle changes, abnormalities of esophageal motility (eight of 19), pulmonary function (14 of 17), ECG (10 of 20), and gastrointestinal absorption of D-xylose (two of eight) with active disease were observed. Clinical signs of other collagen vascular disease appeared in five children. Serologic evaluation demonstrated that ANA and rheumatoid factor were transiently positive in six; one child developed a persistently positive rheumatoid factor after four years of disease inactivity. Antibody to ENA was negative in all, but antibody to PM-1 antigen was present in four of 18. Six had a low C3 or C4; evidence of immune complexes was demonstrated by Clq or Raji binding in eight with active disease. One child was IgA deficient. The HLA-B8 antigen was present in 72% of the Caucasian children as compared with the expected incidence of 21%. Therefore, classical dermatomyositis in children has more systemic involvement then previously appreciated, may be related to the presence of circulating immune complexes, and appears to be under immunogenetic control.
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46
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Abstract
Dermatomyositis and polymyositis are diseases which must be carefully defined in each patient. Criteria such as those suggested by Bohan and Peter will help define the disease and exclude other possible causes of myositis. Immunological factors are probably involved in the pathogenesis of the disease, although varied types of injury may manifest in clinically similar disease. Dermatomyositis, not polymyositis, is related to internal malignancy in adults; however, an extensive malignancy evaluation is not indicated. Therapy with corticosteroids will improve the quality of life, will prevent contractures and calcinosis and may improve the chance of survival. In cases where steroids are ineffective, immunosuppressives may be helpful.
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El-Ghobarey A, Balint G, de Ceulaer K, Dick WC, Buchanan WW, Hadidi T, Hassan TA. Dermatomyositis: observations on the use of immunosuppressive therapy and review of literature. Cairo--Glasgow study group. Postgrad Med J 1978; 54:516-27. [PMID: 733682 PMCID: PMC2425292 DOI: 10.1136/pgmj.54.634.516] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Seven young adults, six of whom were male, all suffering from dermatomyositis unassociated with malignancy are described. These patients were not adequately controlled with high doses of corticosteroids but all responded when immunosuppressive therapy was also given.
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Kimura S, Fukuyama Y. Tubular cytoplasmic inclusions in a case of childhood dermatomyositis with migratory subcutaneous nodules. Eur J Pediatr 1977; 125:275-83. [PMID: 891572 DOI: 10.1007/bf00493572] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A boy with dermatomyositis which began at the age of one year and five months showed multiple migratory subcutaneous nodules, which have seldom been described. Histological and electron microscopic studies of muscles and subcutaneous nodules demonstrated the following interesting findings. 1. Light microscopy. The migratory subcutaneous nodules consisted of non-suppurative panniculitis and ischaemic adipo-necrosis as a sequel to vascular lesions. This finding suggests that the nodules may have arisen from the subcutaneous adipose tissue which had been severely damaged by systemic angiopathy. 2. Electron microscopy. Examination of the vessels in muscle and subcutaneous nodules showed tubular cytoplasmic inclusions with a diameter of approximately 250 A in the endoplasmic reticulum of vascular endothelial cells. These observations provide strong support for the concept that the fundamental pathologic process in childhood dermatomyositis is of a vascular nature, and the primary lesion is in the walls of the intramuscular blood vessels.
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Hurwitz S. The skin and systemic disease in children. CURRENT PROBLEMS IN PEDIATRICS 1977; 7:1-68. [PMID: 330114 DOI: 10.1016/s0045-9380(77)80008-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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50
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