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Gowda NC, Chatterjee R, Balakrishnan A, Lawrence A, Aggarwal A. Caregiver burden in families of children with juvenile idiopathic arthritis in India. Clin Rheumatol 2024; 43:2009-2019. [PMID: 38662098 DOI: 10.1007/s10067-024-06975-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024]
Abstract
Juvenile Idiopathic Arthritis (JIA) causes caregiver burden on families with children affected with it. Our study aimed to explore this multifaceted burden in the Indian context. In this cross-sectional study, we administered the Hindi translated CAREGIVER questionnaire to adult caregivers in the families of JIA patients ≤ 18 years. The responses to the 28 items were used to calculate the burden scores in various dimensions. The relationship of the global burden scores with demographic and socioeconomic factors were analysed. Non parametric tests were used. Two hundred twenty-one caregivers participated with a median age of 39 years (IQR 32-45). This included 116 fathers, 50 mothers, 32 brothers, 18 uncles, three grandfathers, one sister, and one grandmother. The JIA patients had a median age of 15 (12-17) years, and the male-to-female ratio was 3.2:1. Enthesitis-related arthritis was the predominant subtype (72.4%). Most caregivers (70.6%) expressed sadness at diagnosis, and 29.9% continued to express sadness. Nearly two-thirds (65.6%) had to borrow money from others. More than half (59.3%) of the caregivers neglected their health, and 9.0% became sick. Male gender of the child, systemic JIA subtype, low socioeconomic status, high disease activity, extra-articular damage, high parent-reported disease activity and poor quality of life were associated with higher global caregiver burden. JIA has a significant emotional, social, economic, and labour impact on caregivers. Economic and psychosocial support needs to be given to family caregivers caring for children with JIA.
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Affiliation(s)
- Nikhil C Gowda
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, 226014
| | - Rudrarpan Chatterjee
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, 226014
| | - Anu Balakrishnan
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, 226014
| | - Able Lawrence
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, 226014
| | - Amita Aggarwal
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, 226014.
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Jagzape TB, Pandey P, Silpa T, Pinky S. Pediatric Rheumatological Diseases in a Tertiary Care Hospital of Central India: A Retrospective Clinico-Epidemiological Profile. Cureus 2024; 16:e53327. [PMID: 38435943 PMCID: PMC10906977 DOI: 10.7759/cureus.53327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2024] [Indexed: 03/05/2024] Open
Abstract
Introduction: Infectious diseases account for the major health problem in developing countries like India. Though non-infectious diseases like rheumatological disorders are not very common, the burden of these disorders as a group is high in society due to the huge population size. The rheumatological disorders have varied presentations which may mimic other infectious pathologies leading to a significant time lag in the diagnosis. There is inadequate data on the exact burden of these diseases. The spectrum of rheumatological disorders in developing countries is different as compared to the Western world. Hence this study was carried out with the aim of studying the clinical, epidemiological, and laboratory profile of rheumatological disorders in the pediatric age group in a tertiary care hospital. Methods: It was a retrospective study. Data of patients admitted with the diagnosis of rheumatological disorder in the age group of one month to 15 years during the period from June 2018 to December 2022 were reviewed. Results: A total of 35 patients were identified with 20 being female. The mean age of the patients was 8.42± 3.95 years. The most common disease was juvenile idiopathic arthritis (JIA)- 10(28.57%) with an equal proportion of polyarticular JIA and systemic-onset JIA, followed by systemic lupus erythematosus (SLE) nine (25.71%) and Kawasaki Disease (KD)- eight (22.85%). The commonest presenting complaint was fever followed by a rash, whereas the most common findings were pallor and rash. Anemia was present in 25 (71.42%). C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) were high in 20 (57.14%) and 22 (62.85%), respectively. Antinuclear antibodies (ANA) were positive in 10 (28.57%) and rheumatoid factor (RA) factor in only one (2.85%) case. Conclusions: The most common rheumatological disorder identified was JIA. Fever and rash were the common presenting complaints. Pallor was the commonest sign whereas anemia was the commonest hematological abnormality.
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Affiliation(s)
- Tushar B Jagzape
- Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Raipur, IND
| | - Priyanka Pandey
- Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Raipur, IND
| | - Turaka Silpa
- Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Raipur, IND
| | - Shirisha Pinky
- Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Raipur, IND
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Ravichandran N, Guleria S, Mohindra N, Aggarwal A. Predictors of long-term functional outcomes of juvenile idiopathic arthritis-enthesitis-related arthritis: a single centre experience. Rheumatology (Oxford) 2023; 62:3110-3116. [PMID: 36702467 DOI: 10.1093/rheumatology/kead032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/29/2022] [Accepted: 01/10/2023] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVES Long-term functional outcomes in enthesitis-related arthritis (ERA) is limited from developing countries. We assessed the clinical and genetic factors that predicted the long-term functional outcome in ERA. METHODS Patients with ERA having ≥5 years of disease and >16 years of age were included in this cross-sectional study. Data on clinical features within 6 months of disease onset was collected from hospital records. Bath indices, HAQ Disability Index (HAQ-DI) and World Health Organization's Quality of Life (WHO-QOL) were assessed at last visit. Poor functional outcome (PFO) was defined as BASFI > 1.5 or HAQ-DI > 1. Persistent disease activity (PDA) was defined as BASDAI ≥ 4. Endoplasmic reticulum aminopeptidase 1 (ERAP1) and IL-23 receptor single nucleotide polymorphism genotyping was performed with the TaqMan method and HLA-B27 by PCR. RESULTS One hundred and eighty-one patients [170 male, median (interquartile range) age of disease onset 12.5 (10-15) years, disease duration 7 (5-11) years] were recruited. There was a delay in diagnosis of 3 (1-5) years. The median Ankylosing Spondylitis Disease Activity Score (ASDAS)-ESR, BASDAI, HAQ-DI and BASFI at inclusion were 2.6 (1.8-3.6), 2.6 (1-5.2), 0.5 (0-0.5) and 1.6 (0.3-3.2), respectively. BASFI and HAQ-DI correlated with ASDAS-ESR, ASDAS-CRP and WHO-QOL-BREF. Those with PFO (n = 98) had a longer delay in diagnosis (4 vs 2 years, P < 0.001), lower prevalence of arthritis at onset [odds ratio (OR) = 0.3; 95% CI: 0.1, 0.8], higher prevalence of ERAP1 (rs27044) allele C (OR = 7.2; 95% CI: 1.5, 33.7) and higher disease activity currently. Delay in diagnosis (OR = 1.2; 95% CI: 1.08, 1.4) was the sole predictor of PFO in multivariate analysis. One-third of patients had PDA. Tarsitis at disease onset was the sole predictor of PDA (OR = 2.3; 95% CI: 1.009, 5.4). CONCLUSIONS PFO was seen in one-half of JIA-ERA in the long-term and was associated with active disease with delay in diagnosis as its sole predictor.
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Affiliation(s)
- Naveen Ravichandran
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Shivika Guleria
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Namita Mohindra
- Department of Radiodiagnosis, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Amita Aggarwal
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Maleki A, Anesi SD, Look-Why S, Manhapra A, Foster CS. Pediatric uveitis: A comprehensive review. Surv Ophthalmol 2021; 67:510-529. [PMID: 34181974 DOI: 10.1016/j.survophthal.2021.06.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/15/2021] [Accepted: 06/21/2021] [Indexed: 12/14/2022]
Abstract
Pediatric uveitis accounts for 5-10% of all uveitis. Uveitis in children differs from adult uveitis in that it is commonly asymptomatic and can become chronic and cause damage to ocular structures. The diagnosis might be delayed for multiple reasons, including the preverbal age and difficulties in examining young children. Pediatric uveitis may be infectious or noninfectious in etiology. The etiology of noninfectious uveitis is presumed to be autoimmune or autoinflammatory. The most common causes of uveitis in this age group are idiopathic and juvenile idiopathic arthritis-associated uveitis. The stepladder approach for the treatment of pediatric uveitis is based on expert opinion and algorithms proposed by multidisciplinary panels. Uveitis morbidities in pediatric patients include cataract, glaucoma, and amblyopia. Pediatric patients with uveitis should be frequently examined until remission is achieved. Once in remission, the interval between follow-up visits can be extended; however, it is recommended that even after remission the child should be seen every 8-12 weeks depending on the history of uveitis and the medications used. Close follow up is also necessary as uveitis can flare up during immunomodulatory therapy. It is crucial to measure the impact of uveitis, its treatment, and its complications on the child and the child's family. Visual acuity can be considered as an acceptable criterion for assessing visual function. Additionally, the number of cells in the anterior chamber can be a measure of disease activity. We review different aspects of pediatric uveitis. We discuss the mechanisms of noninfectious uveitis, including autoimmune and autoinflammatory etiologies, and the risks of developing uveitis in children with systemic rheumatologic diseases. We address the risk factors for developing morbidities, the Standardization of Uveitis Nomenclature (SUN) criteria for timing and anatomical classifications, and describe a stepladder approach in the treatment of pediatric uveitis based on expert opinion and algorithms proposed by multi-disciplinary panels. In this review article, We describe the most common entities for each type of anatomical classification and complications of uveitis for the pediatric population. Additionally, we address monitoring of children with uveitis and evaluation of Quality of Life.
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Affiliation(s)
- Arash Maleki
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA; The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - Stephen D Anesi
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA; The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - Sydney Look-Why
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA; The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - Ambika Manhapra
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA; The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - C Stephen Foster
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA; The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA; Harvard Medical School, Department of Ophthalmology, Boston, MA, USA.
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Hip involvement in children with enthesitis related arthritis (ERA) is associated with poor outcomes in adulthood. Clin Rheumatol 2021; 40:4619-4627. [PMID: 34169374 PMCID: PMC8225398 DOI: 10.1007/s10067-021-05807-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 12/27/2022]
Abstract
Background The data on long-term outcome in enthesitis-related arthritis (ERA), the commonest category of JIA in India, is scant. Thus, we studied outcomes of ERA in a resource-constrained setting. Methods Patients with ERA (ILAR classification) (≥ 5 years of disease and ≥ 18 years) were included. Data on clinical features, Bath indices (BASMI, BASDAI, BASFI), ASDAS, and health assessment questionnaire-disability index (HAQ-DI) was collected. X-ray pelvis including hips was obtained and compared with baseline X-ray for progression of sacroiliitis and hip arthritis. Fulfillment of adult criteria of spondyloarthropathy (SpA) were also assessed. Results Seventy-three 73 patients (72 males) of median age 20 (18–23) years and disease duration 8 (5.5–11) years were recruited. There was delay in diagnosis of 4 (1.75–6) years. Thirty-nine (53%) had BASDAI ≥ 4 and 63 (91%) had ASDAS-CRP > 1.3. Two-third (60%) had functional disability (HAQ-DI ≥ 0.5). Poor outcome (BASDAI ≥ 4, ASDAS > 2.1, BASFI > 0.9, or HAQ-DI ≥ 0.5) was seen in three-fourths (n = 56.76%) of patients and was associated with hip involvement, HLA-B27 positivity, and fulfillment of axial ASAS criteria. Sixty-seven (91%) patients fulfilled axial ASAS criteria, while 71 (97%) fulfilled peripheral ASAS criteria. Overall, 81% had X-ray sacroiliitis and 37% had hip involvement. Nearly half (46.6%) and one-fourths (25%) of the patients had X-ray sacroiliitis and hip arthritis progression, respectively. Those with X-ray hip arthritis had longer delay in diagnosis (6 vs 3 years), higher Bath indices, ASDAS, and HAQ-DI. Hip arthritis correlated with radiological sacroiliitis (r = 0.301). Fulfillment of modified NY criteria was seen more often in patients with hip arthritis (95 vs 63%; p < 0.002). Conclusion Most ERA patients had active disease in adulthood. Hip involvement, axial involvement, and HLA-B27 positivity were predictors of poor outcome. Key Points • Almost 90% of adults with ERA had active disease even after 8 years of disease. • Poor outcomes were seen in three-fourths of patients and hip involvement, presence of HLA B27, and axial involvement were the predictors of poor outcome. |
Supplementary Information The online version contains supplementary material available at 10.1007/s10067-021-05807-3.
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Jeamsripong S, Charuvanij S. Features distinguishing juvenile idiopathic arthritis among children with musculoskeletal complaints. World J Pediatr 2020; 16:74-81. [PMID: 30498888 DOI: 10.1007/s12519-018-0212-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 11/13/2018] [Indexed: 01/02/2023]
Abstract
BACKGROUND Musculoskeletal (MSK) complaints in children vary, ranging from benign, self-limited conditions to serious disorders. Juvenile idiopathic arthritis (JIA) is the most common rheumatic disease, initially presenting with MSK complaints. Delayed diagnosis and appropriate treatment have an enormous impact on the long-term outcomes and the level of disability. This study aimed to identify the features distinguishing JIA among children presenting with MSK complaints and to describe the spectrum of diseases at a large, single, tertiary center. METHODS A retrospective chart review was performed of patients evaluated by pediatric rheumatology consultation at the Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand, from July 2011 to June 2015. RESULTS Of 531 patients, 285 (53.6%) had at least one MSK complaint. The mean age of the patients was 9.1 ± 4.1 years. Joint pain was the most common MSK complaint (86.3%), followed by limping (33%) and refusal to walk (19.6%). Joint swelling and limited range of motion were found in 146 (51.2%) and 115 (40.4%) patients, respectively. Seventy-three (25.6%) patients were diagnosed as JIA. The other common diagnoses included Henoch-Schönlein purpura (16.1%), reactive arthritis (14.2%), and systemic lupus erythematosus (13.7%). Morning stiffness ≥ 15 minutes [odds ratio (OR) 8.217 (3.404-19.833)]; joint swelling on MSK examination [OR 3.505 (1.754-7.004)]; a duration of MSK complaints of more than 6 weeks [OR 2.071 (1.120-3.829)]; and limping [OR 1.973 (1.048-3.712)] were significantly associated with the ultimate diagnosis of JIA. CONCLUSIONS Morning stiffness ≥ 15 minutes is a strong predictor of JIA. Comprehensive history taking and an MSK examination will provide clues for making the ultimate diagnosis for children with MSK complaints.
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Affiliation(s)
- Satita Jeamsripong
- Department of Pediatrics, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sirirat Charuvanij
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine, Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
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Patra PK, Kumar M. Clinico-epidemiological Profile of Pediatric Rheumatology Disorders in Eastern India. J Nat Sci Biol Med 2018; 9:19-22. [PMID: 29456387 PMCID: PMC5812067 DOI: 10.4103/jnsbm.jnsbm_80_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Background Data on rheumatological disorders in children from developing countries like India are scarce. Hence, this study aimed to understand the clinical and epidemiological profile of rheumatological disorders in children as this can help organize comprehensive evidence-based health care services. Methodology A retrospective hospital-based study was designed in pediatric rheumatology clinic of the All India Institute of Medical Sciences, Patna, India, from January 2015 to December 2016. Clinical and laboratory findings and response to therapy of all children with rheumatological disorders were evaluated. Results A total of 60 children with various rheumatological disorders were included in the study. Juvenile idiopathic arthritis (JIA) was the most common pediatric rheumatology disorder observed, and polyarticular JIA was the predominate subtype observed in our patients. The mean age of disease onset was 9.1 ± 3.6 years (age range: 1-16 years). Methotrexate was the most common disease modifying antirheumatic drug used. None of the children received newer biological agents due to financial constraints. The use of alternative medicine was observed in 10% of cases. Conclusion The clinical and epidemiological profile of children with rheumatological disorders in our patient group was different from the European countries and Western world. There is a need for introspecting the lack of using biological agents and its potential impact in managing JIA in our patient group.
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Affiliation(s)
- Pratap Kumar Patra
- Department of Pediatrics, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Manish Kumar
- Department of Pediatrics, All India Institute of Medical Sciences, Patna, Bihar, India
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Kwon HJ, Bang MH, Kim KN. New Provisional Classification of Juvenile Idiopathic Arthritis Applying Rheumatoid Factor and Antinuclear Antibody. JOURNAL OF RHEUMATIC DISEASES 2018. [DOI: 10.4078/jrd.2018.25.1.34] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Hyuck Jin Kwon
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Anyang, Korea
| | - Myung Hoon Bang
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Anyang, Korea
| | - Kwang Nam Kim
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Anyang, Korea
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Lin S, Wang Y, Mu S, Zhang J, Yuan F, Sun K. Pathway analysis based on Monte Carlo Cross-Validation in polyarticular juvenile idiopathic arthritis. Pathol Res Pract 2016; 213:7-12. [PMID: 27894617 DOI: 10.1016/j.prp.2016.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/28/2016] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Juvenile idiopathic arthritis (JIA) is a common chronic disease with onset before the 16 years old in a child. Polyarticular JIA has been reported as the main form of JIA in several locations. Until now, understanding of the genetic basis of JIA is incomplete. The purpose of this study was to identify pathway pairs of great potential functional relevance in the progression of polyarticular JIA. MATERIALS AND METHODS Microarray data of 59 peripheral blood samples from healthy children and 61 samples from polyarticular JIA were transformed to gene expression data. Differential expressed genes (DEG) between patients and normal controls were identified using Linear Models for Microarray Analysis. After performed enrichment of DEG, differential pathways were identified with Fisher's test and false discovery rate. Differential pathway pairs were constructed with random two differential pathways, and were evaluated by Random Forest classification. Monte Carlo Cross-Validation was introduced to screen the best pathway pair. RESULTS 42 DEG with P-values<0.01 were identified. 19 differential pathways with P-values<0.01 were identified. Area under the curve (AUC) of pathway pairs was generated with RF classification. After 50 bootstraps of Monte Carlo Cross-Validation, the best pathway pair with the highest AUC value was identified, and it was the pair of tumoricidal function of hepatic natural killer cells pathway and erythropoietin signaling pathway. CONCLUSION These identified pathway pairs may play pivotal roles in the progress of polyarticular JIA and can be applied for diagnosis. Particular attention can be focused on them for further research.
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Affiliation(s)
- Shunhua Lin
- Department of Orthopaedics, The People's Hopital of Rizhao, Rizhao 276800, Shandong, PR China
| | - Yuanji Wang
- Department of Orthopaedics, The People's Hopital of Rizhao, Rizhao 276800, Shandong, PR China
| | - Shunmei Mu
- Department of Ophthalmology, The People's Hopital of Donggang District, Rizhao 276800, Shandong, PR China
| | - Junxi Zhang
- Department of Orthopaedics, The People's Hopital of Rizhao, Rizhao 276800, Shandong, PR China
| | - Fangchang Yuan
- Department of Orthopaedics, The People's Hopital of Rizhao, Rizhao 276800, Shandong, PR China
| | - Kang Sun
- Department of Orthopaedics, The Affiliated Hopital of Qingdao University, Qingdao 266000, Shandong, PR China.
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Gupta A, Ramanan AV. Uveitis in Children: Diagnosis and Management. Indian J Pediatr 2016; 83:71-7. [PMID: 26420255 DOI: 10.1007/s12098-015-1889-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 08/17/2015] [Indexed: 12/14/2022]
Abstract
Uveitis is a term used to describe inflammation of uvea, which is the middle layer of eye. It is an important cause of blindness in children in both developed and developing countries. Delayed diagnosis, inadequate treatment and risk of amblyopia are some of the factors that are unique to childhood uveitis and are responsible for significant morbidity seen with this disease.
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Affiliation(s)
- Anju Gupta
- Division of Allergy Immunology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - A V Ramanan
- Department of Pediatric Rheumatology, Bristol Royal Hospital for Children, Upper Maudlin Street, Bristol, BS2 8BJ, UK. .,Royal National Hospital for Rheumatic Diseases, Bath, UK.
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Ma X, Xin L, Sun J, Liu Z. Antinuclear antibody-positive cohort constitutes homogeneous entity in juvenile idiopathic arthritis. Mod Rheumatol 2015; 26:75-9. [PMID: 26025435 DOI: 10.3109/14397595.2015.1056993] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To identify a homogeneous entity for antinuclear antibody (ANA)-positive patients suffering from juvenile idiopathic arthritis (JIA). METHODS All of the clinical features were recorded retrospectively. ANA positivity was defined as more than twice positive results at a titer of > 1:100. The correlation between ANA positivity and clinical parameters was assessed by multiple logistic regression analysis. RESULT Of 120 patients, 49 patients were ANA positive (31 oligoarthritis, 18 rheumatoid factor [RF]-negative polyarthritis) and 71 patients were ANA negative (48 oligoarthritis, 23 RF-negative polyarthritis), and were recruited retrospectively to this study according to the International League of Associations for Rheumatology (ILAR) criteria. In ANA-positive cohort, the characteristics of early-onset age, female predominance, and asymmetric arthritis were observed compared with ANA-negative cohort including oligoarthritis and RF-negative polyarthritis. Correspondingly, we found that ANA-positive cohort had higher cumulative number of joints affected at 9 and 12 months after disease presentation than ANA-negative cohort, had lower frequency of occurrence of image change, and had a different pattern of affected arthritis than ANA-negative cohort, which was more likely to have knee involvement and less likely to have hip and shoulder involvement. ANA positivity correlated strongly with asymmetric arthritis, female predominance and wrist involvement. CONCLUSION This study demonstrates that ANA-positive cohort divided into different subgroups by present ILAR criteria share the similar features and suggests that ANA positivity might serve as a novel potential value for JIA classification.
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Affiliation(s)
- Xiaolin Ma
- a Department of Rheumatism , Capital Institute of Pediatrics , Beijing , China.,b Division of Pneumonology-Immunology, Department of Pediatrics , Charité University Medical Center , Berlin , Germany
| | - Le Xin
- c Department of Molecular Immunology , Capital Institute of Pediatrics , Beijing , China
| | - Juan Sun
- c Department of Molecular Immunology , Capital Institute of Pediatrics , Beijing , China
| | - Zhewei Liu
- c Department of Molecular Immunology , Capital Institute of Pediatrics , Beijing , China
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Chopra A. Disease burden of rheumatic diseases in India: COPCORD perspective. INDIAN JOURNAL OF RHEUMATOLOGY 2015. [DOI: 10.1016/j.injr.2015.04.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Oberle EJ, Harris JG, Verbsky JW. Polyarticular juvenile idiopathic arthritis - epidemiology and management approaches. Clin Epidemiol 2014; 6:379-93. [PMID: 25368531 PMCID: PMC4216020 DOI: 10.2147/clep.s53168] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Juvenile idiopathic arthritis (JIA) is a group of disorders characterized by arthritis persisting for at least 6 weeks with onset before the age of 16 years. Within this cluster of conditions, the polyarticular form (involving more than four joints within the first 6 months) is further divided based on the presence of rheumatoid factor. Children with polyarticular JIA pose unique diagnostic and therapeutic challenges compared to children with involvement of fewer joints. Polyarticular JIA patients tend to have a more refractory course and therefore are at increased risk for joint damage, resulting in poorer functional outcomes and decreased quality of life. Although the ability to treat this disorder continues to improve, especially with the advent of biologic agents, there is still much about the epidemiology and pathogenesis of polyarticular JIA that is unknown. The epidemiology of polyarticular JIA varies worldwide with a vast difference in reported cases between different global regions as well as within individual countries. Several genetic risk loci have been identified conferring increased susceptibility to JIA, many within the human leukocyte antigen region. Beyond the genome, environmental factors also seem to contribute to the etiology of polyarticular JIA. This review article will focus on the epidemiology and current treatments of polyarticular JIA and briefly discuss genetic and environmental influences on the pathogenesis of JIA as well as new and emerging therapies.
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Affiliation(s)
- Edward J Oberle
- Department of Pediatrics, Division of Rheumatology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Julia G Harris
- Department of Pediatrics, Division of Rheumatology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - James W Verbsky
- Department of Pediatrics, Division of Rheumatology, Medical College of Wisconsin, Milwaukee, WI, USA
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Abujam B, Mishra R, Aggarwal A. Prevalence of musculoskeletal complaints and juvenile idiopathic arthritis in children from a developing country: a school-based study. Int J Rheum Dis 2014; 17:256-60. [PMID: 24405528 DOI: 10.1111/1756-185x.12276] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
INTRODUCTION Musculoskeletal complaints are common in children. Studies from developed countries have found most to be non-inflammatory and juvenile idiopathic arthritis (JIA) to be less than 0.1%. However, there is limited data from developing countries such as India. METHODS This cross-sectional study was conducted from March 2010 to April 2011 among school children aged 6-17 years in northern India. Prevalence of musculoskeletal complaints and JIA were determined using a questionnaire on musculoskeletal complaints. This was filled either by parents (always in children < 14 years) or children themselves. Subsequently, all children were individually met and responses verified. An abbreviated musculoskeletal examination (GALS) was performed on every child. In cases of suspected inflammatory arthritis, further investigations were performed. RESULTS Of the 2059 children (851 girls, 1208 boys) who were included in this study, mean (± SD) age was 11.5 ± 2.9 years. Joint pain (more than 1 week) was present in 158 (7.6%), back pain in 63 (3.1%) and heel pain in 62 (3%) of them. Limb pains, suggestive of 'growing pains', were present in 45 (2.1%) children. There were six suspected cases of inflammatory musculoskeletal pain; however, only one child was confirmed as having JIA (enthesitis-related arthritis). The estimated prevalence of JIA was 48/100,000 in Indian children. CONCLUSION Musculoskeletal complaints were not uncommon in children from a developing country like India. Estimated prevalence of JIA was 48/100,000 (95%CI 10-280).
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Affiliation(s)
- Bonnie Abujam
- Department of Clinical Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Palejwala NV, Yeh S, Angeles-Han ST. Current perspectives on ophthalmic manifestations of childhood rheumatic diseases. Curr Rheumatol Rep 2013; 15:341. [PMID: 23686303 DOI: 10.1007/s11926-013-0341-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Inflammatory eye diseases are an important manifestation of many pediatric rheumatologic conditions. Early screening and diagnosis are imperative as these illnesses can not only result in significant visual morbidity but are also an indicator of systemic inflammation. Time to presentation of ocular inflammation varies significantly and can range from many years prior to the onset of systemic symptoms to well after the diagnosis of the rheumatologic disorder. Due to this variability in presentation, careful monitoring by an ophthalmologist is vital to preventing ocular complications and preserving vision. Both local and systemic immunosuppressive medications have been effective in the management of ocular disease. In this review, we will focus on the known ophthalmologic manifestations of common pediatric rheumatologic diseases and discuss recent advances in therapeutic considerations for these conditions.
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Affiliation(s)
- Neal V Palejwala
- Section of Vitreoretinal Surgery, Department of Ophthalmology, Emory University School of Medicine, 1365B Clifton Rd. NE, Atlanta, GA 30322, USA.
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Moued MM, Al-Saggaf HM, Habib HS, Muzaffer MA. Oligoarticular juvenile idiopathic arthritis among Saudi children. Ann Saudi Med 2013; 33:529-32. [PMID: 24413854 PMCID: PMC6074901 DOI: 10.5144/0256-4947.2013.529] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Oligoarticular juvenile idiopathic arthritis (JIA) is the most frequent chronic inflammatory rheumatic condition in children. We aimed to describe the clinical and serological profile of Saudi patients with oligoarticular JIA. DESIGN AND SETTINGS Hospital-based retrospective chart review of all children diagnosed with oligoarticular JIA and followed up at King Abdulaziz University Hospital between 1998 and 2012. PATIENTS AND METHODS We reviewed the medical files of children with oligoarticular JIA and recorded the gender, age at presentation and diagnosis, clinical presentation, laboratory and radiological investigations, treatment administered, and disease complications. Descriptive statistics was performed using SPSS (version 20, SPSS Inc., Chicago, IL, USA). RESULTS We enrolled 37 patients with JIA, of which 24 (64.9%) were girls. The mean age of the patients at presentation was 6.9 years, while the mean age at diagnosis was 7.2 years. A total of 31 patients (83.8%) presented with joint pain, and 36 (97.3%) had a swelling; 19 patients (51.4%) had a high erythrocyte sedimentation rate (ESR) at first presentation (mean, 41.8 [25.4] mm/h). ANA was positive in 15 patients (40.5%). The following treatments were administered: naproxen in 37 patients (100%), intra-articular corticosteroids in 12 cases (32.4%), methotrexate in 14 patients (37.8%), and adalimumab in 5 patients (13.5%). During follow-up, the following were documented: limited range of motion (n=15; 40.5%), deformity (n=5.4%), contracture (n=1; 2.7%), leg-length discrepancy (n=9; 24.3%), and anemia (n=7; 18.9%). CONCLUSION Oligoarticular JIA is more frequent in females, and it shows a predilection for the knees. Initially, many patients presented with high ESRs, and they were antinuclear antibody positive. Early diagnosis and aggressive treatment resulted in a low rate of arthritis and extra-articular manifestations in our cohort.
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Affiliation(s)
| | | | | | - Mohammed Ahmed Muzaffer
- Dr. Mohammed A. Muzaffer, MBChB, FRCPC, King Abdulaziz University Hospital,, PO Box 80215, Jeddah 21589,, Saudi Arabia, F: +966-22-640-8350,
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Chipeta J, Njobvu P, Wa-Somwe S, Chintu C, McGill PE, Bucala R. Clinical patterns of juvenile idiopathic arthritis in Zambia. Pediatr Rheumatol Online J 2013; 11:33. [PMID: 24034206 PMCID: PMC3848636 DOI: 10.1186/1546-0096-11-33] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 09/08/2013] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) is a heterogeneous group of disorders with different disease manifestations among various populations. There are few reports of JIA among indigenous Africans especially sub-Saharan Africa. We present herein the clinical patterns of JIA encountered at a tertiary hospital in Lusaka, Zambia. METHOD Hospital records of patients with a diagnosis of chronic arthritis with onset at the age of 16 years or less presenting to University Teaching Hospital, Lusaka, Zambia for the periods 1994-98 and 2006-2010 were retrospectively reviewed and reclassified as Juvenile Idiopathic Arthritis (JIA) based on the International League of Associations for Rheumatology (ILA R) JIA diagnostic criteria. RESULTS In total, 126 patients with chronic arthritis of onset at age 16 years or less were evaluated over these periods at the hospital. Of these, 85 could further be analyzed by ILAR JIA criteria but 7 (8.24%) were HIV seropositive and were assessed separately. The average age at disease onset among the 78 JIA patients was 8.70 years (range: 1-15 years) with average age at first visit to hospital being 11.3 years (range: 2 to 25 years) and with a female to male ratio of 1.2:1. Polyarticular rheumatoid factor negative JIA, at 34.62%, was the most frequent type of chronic arthritis encountered. Oligoarthritis was found in 32.05% while 11.54% and 14.10% were polyarticular rheumatoid factor positive and systemic JIA, respectively. Enthesitis-related arthritis was found in 6.41% and only 1.28% were determined to have psoriatic arthritis among this population. CONCLUSION JIA is predominantly a polyarticular rheumatoid factor negative disease in Zambia. Late presentation is an issue with major implications for educational input and resource acquisition. There is need to elucidate the genetics and environmental factors of JIA in this region.
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Affiliation(s)
- James Chipeta
- Department of Paediatrics and Child Health, University of Zambia School of Medicine, P,O, Box 50110, Lusaka, Zambia.
| | - Panganani Njobvu
- Medical Departments of University Teaching Hospital and Maina Soko Military Hospital, Lusaka, Zambia
| | - Somwe Wa-Somwe
- Department of Paediatrics and Child Health, University of Zambia School of Medicine, P.O. Box 50110, Lusaka, Zambia
| | - Chifumbe Chintu
- Department of Paediatrics and Child Health, University of Zambia School of Medicine, P.O. Box 50110, Lusaka, Zambia
| | - Paul E McGill
- Department of Rheumatology Stobhill NHS Trust Hospital, Glasgow, Scotland, UK
| | - Richard Bucala
- Department of Medicine/Rheumatology, Yale University School of Medicine, The Anlyan Center, S525, 300 Cedar Street, New Haven, CT 06520-8031, USA
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Consolaro A, Ruperto N, Filocamo G, Lanni S, Bracciolini G, Garrone M, Scala S, Villa L, Silvestri G, Tani D, Zolesi A, Martini A, Ravelli A. Seeking insights into the EPidemiology, treatment and Outcome of Childhood Arthritis through a multinational collaborative effort: Introduction of the EPOCA study. Pediatr Rheumatol Online J 2012; 10:39. [PMID: 23164467 PMCID: PMC3551702 DOI: 10.1186/1546-0096-10-39] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 11/10/2012] [Indexed: 12/04/2022] Open
Abstract
The epidemiology of juvenile idiopathic arthritis (JIA) is variable worldwide. In particular, a wide disparity exists in the prevalence of the diverse disease subtypes across different geographic areas. The therapeutic approach to JIA is not standardized and no established and widely accepted guidelines are available. In the past decade, there have been important progresses in the management of the disease, but the availability of the novel and costly biologic medications is not uniform throughout the world. This issue may have significant impact on disease prognosis, with children living in poorer countries being at greater risk of accumulating disease- and treatment-related damage than children followed in Western pediatric rheumatology centers. The multinational study of the EPidemiology, treatment and Outcome of Childhood Arthritis (EPOCA study) is aimed to obtain information on the frequency of JIA subtypes in different geographic areas, the therapeutic approaches adopted by pediatric rheumatologists practicing in diverse countries or continents, and the disease and health status of children with JIA currently followed worldwide. Parent- and child-reported outcomes are meant to be recorded through the administration of a new multidimensional questionnaire, the Juvenile Arthritis Multidimensional Assessment Report (JAMAR). The first step of the study is based on the translation and cross-cultural adaptation of the questionnaire in the national language of each participating country. Each center is, then, asked to enroll a sample of consecutive JIA patients, who should undergo a retrospective assessment and a cross-sectional evaluation, including completion of the JAMAR, a standardized joint examination, and the assessment of articular and extra-articular damage. At the end of May 2012, 124 centers in 55 countries have agreed to participate in the study. The JAMAR has been or is currently being translated in 38 national languages. The target patient sample is more than 10,000 JIA children worldwide.
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Affiliation(s)
| | | | | | | | | | | | | | - Luca Villa
- Istituto Giannina Gaslini, Genova, Italy
| | | | | | | | - Alberto Martini
- Istituto Giannina Gaslini, Genova, Italy,Università degli Studi di Genova, Genova, Italy
| | - Angelo Ravelli
- Istituto Giannina Gaslini, Genova, Italy,Università degli Studi di Genova, Genova, Italy
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Affiliation(s)
- Joyce S Hui-Yuen
- Department of Pediatrics, Columbia University Medical Center, USA
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Azam S, Dipti T, Rahman S. Prevalence and clinical pattern of juvenile idiopathic arthritis in a semi-urban area of Bangladesh. Int J Rheum Dis 2012; 15:116-20. [PMID: 22324955 DOI: 10.1111/j.1756-185x.2012.01703.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To determine the prevalence and clinical pattern of juvenile idiopathic arthritis (JIA) in a semi-urban area of Bangladesh. METHODOLOGY A cross-sectional study was carried out among 16 270 children who were selected by using multistage sampling technique from a community of approximately 105 986 children in the Narayanganj district, Bangladesh. Duration of the study was from November 2008 to December 2009. Examinations of the suspected JIA patients were done by the authors in the community as well as in the pediatric rheumatology follow-up clinic at Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. RESULTS The estimated point prevalence of JIA was 60.5 per 100 000 children. In total 10 patients were identified among 16 270 children. Girl : boy ratio was 2.3 : 1.0. The subgroup distribution showed oligoarticular JIA in the majority of patients (60%). CONCLUSIONS Prevalence of JIA in this study in a semi-urban area of Bangladesh was consistent with established population-based studies in developed countries. Clinical pattern of JIA patients also had similarities with reports from Western countries.
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Affiliation(s)
- Shaiful Azam
- Department of Paediatrics, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh.
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Prevalence of arthritis in India and Pakistan: a review. Rheumatol Int 2011; 31:849-55. [DOI: 10.1007/s00296-011-1820-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Accepted: 01/30/2011] [Indexed: 10/18/2022]
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Singh YP, Singh AK, Aggarwal A, Misra R. Evidence of cellular immune response to outer membrane protein of Salmonella typhimurium in patients with enthesitis-related arthritis subtype of juvenile idiopathic arthritis. J Rheumatol 2010; 38:161-6. [PMID: 21041273 DOI: 10.3899/jrheum.100542] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVE enthesitis-related arthritis subtype of juvenile idiopathic arthritis (JIA-ERA) clinically resembles reactive arthritis (ReA). In patients with ReA the immune response is targeted at the outer membrane protein (OMP) of Salmonella typhimurium. We studied the immune response in JIA-ERA to S. typhimurium OMP. METHODS synovial fluid mononuclear cells (SFMC) and peripheral blood mononuclear cells (PBMC) were isolated from blood and SF of patients with JIA-ERA. Lymphocyte transformation test was done with S. typhimurium OMP and crude bacterial lysates of Yersinia enterocolitica, Shigella flexneri, and S. typhimurium. IgG and IgA ELISA were performed in serum and SF using S. typhimurium OMP as antigen and compared with sera from healthy controls. RESULTS in PBMC samples (n = 25) an antigen-specific proliferative response was seen in 13 patients and a cross-reactive response in 6. Among these 19 patients, 12 showed response to OMP. In SFMC (n = 15) antigen-specific responses were seen in 3 patients and cross-reactive responses in 9. Among these 12 patients, 11 showed response to OMP. The IgG and IgA anti-OMP antibody concentrations in serum and SF were similar in patients and controls. CONCLUSION in JIA-ERA, OMP is the major antigenic target recognized by both SFMC and PBMC. Response to OMP is independent of specific bacterial response, suggesting that OMP is the immunodominant antigen. In these patients, absence of significant humoral response suggests response to OMP is mainly T cell mediated.
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Affiliation(s)
- Yogesh Preet Singh
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India 226014
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Kunjir V, Venugopalan A, Chopra A. Profile of Indian patients with juvenile onset chronic inflammatory joint disease using the ILAR classification criteria for JIA: a community-based cohort study. J Rheumatol 2010; 37:1756-62. [PMID: 20516021 DOI: 10.3899/jrheum.090937] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To assess the current International League of Associations for Rheumatology (ILAR) classification criteria (Edmonton, 2001) for juvenile idiopathic arthritis (JIA) in Indian patients. METHODS Out of 441 children, 330 with chronic joint pains were diagnosed with juvenile onset chronic inflammatory arthritis and followed in an observational cohort. Our study was carried out from 1994 to 2006 in a community rheumatology clinic. Emphasis was placed on obtaining data required by the ILAR system. Of the original group, 235 children were eventually classified as having JIA; 108 were examined during the first year of illness. RESULTS We assigned 224 children (95%) to discrete JIA categories: enthesitis-related arthritis (ERA; 36%), oligoarthritis (OLA-persistent; 17%), polyarthritis rheumatoid factor (RF)-negative (17%), polyarthritis RF-positive (12%), systemic arthritis (8%), OLA-extended (4%), and psoriatic arthritis (1%). The remaining 11 children (5%) were classified with undifferentiated arthritis (mostly an overlap due to seropositive RF and/or HLA-B27). The prevalence of ERA (89% HLA-B27-positive) and seropositive RF was unexpectedly high. Although agreement (kappa > 0.79) with the American College of Rheumatology criteria and the European Spondylarthropathy Study Group criteria was good to excellent, the ILAR system was found to be more comprehensive and clinically homogeneous. However, some problems appear unique in our scenario. CONCLUSION A wide-spectrum phenotype of JIA is demonstrated by an Indian cohort. Although useful, RF and HLA-B27 in this population proved problematic to the ILAR classification.
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Affiliation(s)
- Vinaya Kunjir
- Center for Rheumatic Diseases, Hermes Doctor House/Hermes Elegance, Pune, India
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Shin ST, Yu HH, Wang LC, Lee JH, Lin YT, Yang YH, Chiang BL. Nutritional Status and Clinical Characteristics in Children With Juvenile Rheumatoid Arthritis. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2010; 43:93-8. [DOI: 10.1016/s1684-1182(10)60015-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2008] [Revised: 12/15/2008] [Accepted: 04/21/2009] [Indexed: 12/01/2022]
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Kumar S. Need for determining the incidence and prevalence of JIA in developing countries: the Indian predicament. Rheumatology (Oxford) 2010; 49:1598-9. [DOI: 10.1093/rheumatology/keq085] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Agarwal S, Misra R, Aggarwal A. Synovial fluid RANKL and matrix metalloproteinase levels in enthesitis related arthritis subtype of juvenile idiopathic arthritis. Rheumatol Int 2008; 29:907-11. [PMID: 19052752 DOI: 10.1007/s00296-008-0805-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2008] [Accepted: 09/24/2008] [Indexed: 10/21/2022]
Abstract
In chronic arthritis cartilage and bone destruction occur as a consequence of synovial inflammation. It is mainly mediated by matrix metalloproteinases and RANKL-OPG pathways. Data on synovial fluid levels of these mediators in enthesitis related arthritis subtype (ERA) of JIA are not available. MMP-1, MMP-3, TIMP, sRANKL and OPG levels were measured in synovial fluid from patients with ERA and compared with other arthritides, polyarticular (Poly) JIA, RA and osteoarthritis (OA). sRANKL was detectable in 25/41 of ERA patients, 4/16 of Poly JIA patients. Median SF sRANKL level in patients with ERA was higher as compared to OA (p < 0.001) and poly JIA (p < 0.05) but were comparable to RA. The median OPG level in ERA was lower as compared to OA (p < 0.001), comparable to RA but was higher than poly JIA (p < 0.001). sRANKL/OPG ratio was significantly higher in ERA and Poly JIA compared to OA (p < 0.0001, p < 0.0001 respectively). The median MMP3 levels in ERA (74 microg/ml) was lower as compared to poly JIA (410 microg/ml; p < 0.0001) and RA (340 ug/ml; p < 0.0001) but was comparable to OA (107 microg/ml). The median level of ProMMP1 in ERA (0.70 microg/ml) was lower as compared to RA (2.9 microg/ml; p < 0.0001) and poly JIA but was elevated as compared to OA patients (0.1 microg/ml; p < 0.0001). TIMP1 levels in ERA were higher than poly JIA and RA patients. MMP3/TIMP1 ratio was lower in ERA compared to polyarticular JIA patients (p < 0.05). Ours is the first study reporting elevated sRANKL and reduced OPG levels and elevated sRANKL/OPG ratio in SF of children with JIA resulting in a mileu associated with bone loss. In addition, ERA patients had lower MMP level as well as MMP/TIMP ratio as compared to poly JIA which may partly explain lesser degree of joint damage seen in ERA as compared to poly JIA.
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Affiliation(s)
- Shilpi Agarwal
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Yilmaz M, Kendirli SG, Altintas DU, Karakoc GB, Inal A, Kilic M. Juvenile idiopathic arthritis profile in Turkish children. Pediatr Int 2008; 50:154-8. [PMID: 18353049 DOI: 10.1111/j.1442-200x.2008.02543.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) is a heterogeneous group of disorders. Publications from different countries point to differences in the disease manifestation of JIA among different populations. The aim of the present paper was to evaluate the clinical and laboratory features of JIA in Turkish children. METHODS A total of 196 JIA patients who fulfilled International League of Associations for Rheumatology (ILAR) diagnostic criteria were included in this retrospective study. The data collected were age, gender, age at disease onset and at diagnosis, and follow-up duration. Antinuclear antibody (ANA), rheumatoid factor (RF), and human leukocyte antigen B-27 were evaluated for each patient. RESULTS There were 102 boys and 94 girls with a mean duration of disease of 4.1 years. The mean age at the first visit was 8.8 years, and the mean age at onset of disease was 6.8 years (range, 8 months-15 years). Polyarticular JIA was the most frequent onset type (37.2%). Other subtypes included oligoarthritis (34.2%), systemic arthritis (15.3%), psoriatic arthritis (1%), enthesitis-related arthritis (9.7%), and other arthritis (2.2%). ANA was positive in 28 patients (14.2%). Chronic uveitis occurred in two patients with oligoarthritis; and two patients with enthesitis-related arthritis had acute uveitis. Three patients (1.4%) developed amyloidosis. CONCLUSION Compared to reports from Western countries, remarkably different features of JIA were found in Turkish children, which included higher frequency of polyarticular JIA, higher prevalence among boys, lower rate of ANA positivity and uveitis. Further studies are required to understand how genetic and environmental differences affect JIA expression.
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Affiliation(s)
- Mustafa Yilmaz
- Division of Pediatric Allergy and Immunology, Cukurova University Faculty of Medicine, Adana, Turkey.
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RAHMAN SA, ISLAM MI, HOSSAIN M, TALUKDER MK. Clinical presentation of juvenile idiopathic arthritis in Bangladesh: experience from a tertiary hospital. Int J Rheum Dis 2008. [DOI: 10.1111/j.1756-185x.2008.00330.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Saurenmann RK, Rose JB, Tyrrell P, Feldman BM, Laxer RM, Schneider R, Silverman ED. Epidemiology of juvenile idiopathic arthritis in a multiethnic cohort: ethnicity as a risk factor. ACTA ACUST UNITED AC 2007; 56:1974-84. [PMID: 17530723 DOI: 10.1002/art.22709] [Citation(s) in RCA: 171] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To study the influence of ethnicity on the risk of developing juvenile idiopathic arthritis (JIA) in a multiethnic community of patients with unrestricted access to health care. METHODS A questionnaire on ethnicity was distributed to all patients with JIA being followed up at the Hospital for Sick Children in Toronto, Ontario, Canada. Of 1,082 patients, 859 (79.4%) responded to the questionnaire. To calculate the relative risk (RR) of developing JIA in this study cohort, the results were compared with data from the age-matched general population of the Toronto metropolitan area (TMA) as provided in the 2001 census from Statistics Canada. RESULTS European descent was reported by 69.7% of the patients with JIA compared with a frequency of 54.7% in the TMA general population, whereas a statistically significantly lower than expected percentage of the patients with JIA reported having black, Asian, or Indian subcontinent origin. Children of European origin had a higher RR for developing any of the JIA subtypes except polyarticular rheumatoid factor (RF)-positive JIA, and were particularly more likely to develop the extended oligoarticular and psoriatic subtypes. A higher frequency of enthesitis-related JIA was observed among patients of Asian origin, while those of black origin or native North American origin were more likely to develop polyarticular RF-positive JIA. CONCLUSION In this multiethnic cohort, European descent was associated with a significantly increased risk of developing JIA, and the distribution of JIA subtypes differed significantly across ethnic groups.
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Affiliation(s)
- R K Saurenmann
- Zurich University Children's Hospital, Zurich, Switzerland.
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Aggarwal A, Agarwal S, Misra R. Chemokine and chemokine receptor analysis reveals elevated interferon-inducible protein-10 (IP)-10/CXCL10 levels and increased number of CCR5+ and CXCR3+ CD4 T cells in synovial fluid of patients with enthesitis-related arthritis (ERA). Clin Exp Immunol 2007; 148:515-9. [PMID: 17374135 PMCID: PMC1941930 DOI: 10.1111/j.1365-2249.2007.03377.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Chemokines and chemokine receptors play a major role in homing of cells to the site of inflammation. Enthesitis-related arthritis (ERA) is a chronic inflammatory arthritis and no data are available on chemokines and their receptors in ERA. Blood (20) and synovial fluid (SF) (11) was collected from patients with ERA, and peripheral blood (PB) was collected from 12 patients with polyarticular juvenile idiopathic arthritis (JIA), nine patients with systemic onset and 18 healthy controls. Chemokines [interleukin (IL)-10/CXCL10, thymus and activation-regulated chemokine (TARC)/CCL17 and regulated upon activation normal T cell expressed and secreted (RANTES)/CCL5] were measured in serum and SF. Chemokine receptor expression was measured by flow cytometry. There was no difference in blood CD4(+) T cells bearing CCR5, CCR4 and CXCR3 in ERA and healthy controls. In paired samples the median frequency of CCR5(+) CD4(+) T cells was higher in SF compared to PB (15.8 versus 3.9%, P < 0.005), as was the frequency of CXCR3(+) T cells (21.61% versus 12.46%, P < 0.05). Median serum interferon-inducible protein-10 (IP-10)/CXCL10 levels were higher in patients with ERA compared to controls (139 versus 93 pg/ml; P < 0.05). Further median SF IP-10/CXCL10 levels were higher than the serum levels (2300 pg/ml versus 139 pg/ml; P < 0.01). Serum levels of RANTES/CCL5 were higher in patients (150 ng/ml) compared to control (99 ng/ml; P < 0.01). The SF levels were significantly lower compared to serum (P < 0.05). TARC/CCL17 levels in SF were lower than serum. There is increased homing of CCR5 and CXCR3(+) CD4 cells to the SF. Increased SF levels of IP-10/CXCL10 may be responsible for this migration in patients with ERA.
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Affiliation(s)
- A Aggarwal
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
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Abstract
Juvenile idiopathic arthritis is a broad term that describes a clinically heterogeneous group of arthritides of unknown cause, which begin before 16 years of age. This term encompasses several disease categories, each of which has distinct methods of presentation, clinical signs, and symptoms, and, in some cases, genetic background. The cause of disease is still poorly understood but seems to be related to both genetic and environmental factors, which result in the heterogeneity of the illness. Although none of the available drugs has a curative potential, prognosis has greatly improved as a result of substantial progresses in disease management. The most important new development has been the introduction of drugs such as anticytokine agents, which constitute a valuable treatment option for patients who are resistant to conventional antirheumatic agents. Further insights into the disease pathogenesis and treatment will be provided by the continuous advances in understanding of the mechanisms connected to the immune response and inflammatory process, and by the development of new drugs that are able to inhibit selectively single molecules or pathways.
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Affiliation(s)
- Angelo Ravelli
- Department of Paediatrics, University of Genoa and Institute G. Gaslini, Genoa, Italy.
| | - Alberto Martini
- Department of Paediatrics, University of Genoa and Institute G. Gaslini, Genoa, Italy
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Saurenmann RK, Levin AV, Feldman BM, Rose JB, Laxer RM, Schneider R, Silverman ED. Prevalence, risk factors, and outcome of uveitis in juvenile idiopathic arthritis: A long-term followup study. ACTA ACUST UNITED AC 2007; 56:647-57. [PMID: 17265500 DOI: 10.1002/art.22381] [Citation(s) in RCA: 203] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To assess the prevalence, risk factors, and long-term outcome of uveitis in patients with juvenile idiopathic arthritis (JIA). METHODS An inception cohort of all 1,081 patients diagnosed as having JIA at a single tertiary care center was established. A questionnaire and followup telephone calls were used to confirm the diagnosis of uveitis. Ophthalmologists' records of patients with uveitis were collected. Kaplan-Meier and Cox regression analyses were used to assess risk factors for developing uveitis and for complications of uveitis. RESULTS After a mean followup time of 6.9 years, 142 of 1,081 patients (13.1%) had developed uveitis. Risk factors were young age at diagnosis, female sex, antinuclear antibody positivity, and the subtype of JIA. The relative contribution of these risk factors was different for the different subtypes of JIA. Until the end of the study, uveitis complications had developed in 53 of 142 patients with uveitis (37.3%; 4.9% of the total cohort). Only 16 of 175 involved eyes (9.1%) in 14 of 108 patients (13%; 1.3% of the total cohort) for whom ophthalmology reports were available had best corrected visual acuity less than 20/40 (mean followup time for uveitis of 6.3 years). Abnormal vision was associated with synechiae or cataract. CONCLUSION Risk factors for developing uveitis were different among subtypes of JIA. The long-term outcome of JIA-associated uveitis in our cohort was excellent despite the high rate of complications.
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Affiliation(s)
- R K Saurenmann
- Department of Pediatrics, University Children's Hospital, Zurich, Switzerland.
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Abstract
This chapter aims to give a global perspective to paediatric rheumatology. The main points covered are the incidence, recognition of paediatric autoimmune diseases, and ethnic/geographic distribution. The most prevalent disease is juvenile idiopathic arthritis; robust data are still required for childhood-onset systemic lupus erythematosus, dermatomyositis, and scleroderma. Mimicking or overlapping infections are a major challenge in developing countries, and immunization policies in our patients in these areas need specific attention. The delivery of paediatric rheumatology care is also overviewed. Discrepancies in health-care resources and priorities are found in developing countries. Although most anti-rheumatic treatments are available worldwide, they are prohibitively expensive in many countries. For more traditional anti-rheumatic drugs there is still an ongoing need for good core outcome data across the world to ensure valid comparisons. Parent/patient education has been implemented worldwide in paediatric rheumatology through the power of the Internet. Physician and undergraduate training goals must be met to facilitate competent musculoskeletal assessment, a proper understanding of age-dependent variations, diagnosis, referral to specialists, and improved standards of care.
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Affiliation(s)
- Sujata Sawhney
- Department of Paediatric Rheumatology, Centre for Child Health, Sir Ganga Ram Hospital, New Delhi 110060, India.
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Saxena N, Misra R, Aggarwal A. Is the enthesitis-related arthritis subtype of juvenile idiopathic arthritis a form of chronic reactive arthritis? Rheumatology (Oxford) 2006; 45:1129-32. [PMID: 16522678 DOI: 10.1093/rheumatology/kel056] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE Enteric organisms are known to trigger reactive arthritis. The enthesitis-related arthritis (ERA) form of juvenile idiopathic arthritis (JIA) clinically resembles reactive arthritis. Therefore, we looked for a role of enteric bacteria in ERA. METHODS Synovial fluid (SF) was obtained from 26 patients with ERA and 10 patients with rheumatoid arthritis (RA). Blood specimens were also obtained from patients with ERA and from 10 normal individuals. Lymphocyte proliferation assays were done on whole blood and SF mononuclear cells using as antigens crude lysates of the enteric bacteria Salmonella typhimurium, Yersinia enterocolitica, Shigella flexneri and Campylobacter jejuni. Crude lysate of Escherichia coli was used as a control antigen. HLA-B27 typing was done using the polymerase chain reaction. Homing of gut-specific T cells (CD103+) to the synovial compartment was studied using tri-colour flow cytometry. The antigen-specific cytokine profile was determined by flow cytometry. RESULTS Antigen-specific lymphoproliferative responses were observed in 14 of 26 patients. Among these patients, 12 showed a response in SF (four each to S. typhimurium and C. jejuni, and in two each to S. flexneri and Y. enterocolitica), and two patients in blood (S. typhimurium in both). None of the healthy controls showed a response in the blood. Lymphoproliferative responses in SF were more frequent in patients with JIA (12/26) than in controls with RA (1/10, P < 0.05). Patients with an antigen-specific response had a higher ratio of SF/blood CD103+ T cells compared with those with no antigen-specific response (P < 0.01). Antigen-specific as well as mitogen-stimulated cytokine production showed a Th1 bias. CONCLUSION Enteric bacteria may have a role in exacerbation of disease in patients with ERA. The immune response in patients with ERA is Th1-dominant.
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MESH Headings
- Adolescent
- Adult
- Antigens, Bacterial/pharmacology
- Arthritis, Juvenile/classification
- Arthritis, Juvenile/immunology
- Arthritis, Juvenile/microbiology
- Arthritis, Reactive/classification
- Arthritis, Reactive/immunology
- Arthritis, Reactive/microbiology
- Arthritis, Rheumatoid/immunology
- Arthritis, Rheumatoid/microbiology
- Campylobacter Infections/complications
- Campylobacter Infections/immunology
- Campylobacter jejuni/immunology
- Case-Control Studies
- Cells, Cultured
- Child
- Chronic Disease
- Cytokines/analysis
- Flow Cytometry
- HLA-B27 Antigen/analysis
- Humans
- Lymphocyte Activation
- Lymphocytes/drug effects
- Lymphocytes/immunology
- Male
- Reverse Transcriptase Polymerase Chain Reaction
- Salmonella Infections/complications
- Salmonella Infections/immunology
- Salmonella typhimurium/immunology
- Shigella flexneri/immunology
- Statistics, Nonparametric
- Synovial Fluid/immunology
- Synovial Fluid/microbiology
- Yersinia Infections/complications
- Yersinia Infections/immunology
- Yersinia enterocolitica/immunology
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Affiliation(s)
- N Saxena
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow 226 014, India
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Jarvis JN. The unique clinical presentation of children with chronic arthritis: putting the pediatrics in pediatric rheumatology. Curr Probl Pediatr Adolesc Health Care 2006; 36:80-2. [PMID: 16473283 DOI: 10.1016/j.cppeds.2005.10.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- James N Jarvis
- Department of Pediatrics, University of Oklahoma College of Medicine, Oklahoma City, OK 73104, USA.
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Hsu CT, Lin YT, Yang YH, Chiang BL. Factors affecting clinical and therapeutic outcomes of patients with juvenile rheumatoid arthritis. Scand J Rheumatol 2004; 33:312-7. [PMID: 15513679 DOI: 10.1080/03009740410005854] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To investigate clinical features, medications, and therapeutic responses of juvenile rheumatoid arthritis (JRA) among Taiwanese children. METHODS A retrospective chart review was conducted among all children newly diagnosed with JRA at the National Taiwan University Hospital between 1996 and 2001. RESULTS Forty boys and 30 girls were enrolled in the study. The mean follow-up was 45 months. Oligoarticular onset was the most common type. A bimodal distribution of age at onset was observed, with peaks at 4 and 10 years. All patients received non-steroidal anti-inflammatory drugs (NSAIDs); 27 (39%) received corticosteroids, and 44 (63%) had second-line drugs during the first course of treatment. Forty-three patients (69%) achieved clinical remission after a mean of 14.8 months of medication, and 19 (31%) were drug-dependent. The major factors related to the failure of first remission were human leukocyte antigen B27 (HLA-B27), high C-reactive protein (CRP) level, and thrombocytosis at diagnosis. CONCLUSION There are different phenotypic features among Taiwanese children with JRA. Factors related to the failure of first remission were HLA-B27, high CRP level, and thrombocytosis at diagnosis.
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Affiliation(s)
- C-T Hsu
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Republic of China
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Mauldin J, Cameron HD, Jeanotte D, Solomon G, Jarvis JN. Chronic arthritis in children and adolescents in two Indian health service user populations. BMC Musculoskelet Disord 2004; 5:30. [PMID: 15333136 PMCID: PMC517923 DOI: 10.1186/1471-2474-5-30] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2004] [Accepted: 08/27/2004] [Indexed: 11/10/2022] Open
Abstract
Background High prevalence rates for rheumatoid arthritis, spondyloarthopathies, and systemic lupus erythematosus have been described in American Indian and Alaskan Native adults. The impact of these diseases on American Indian children has not been investigated. Methods We used International Classification of Diseases-9 (ICD-9) codes to search two Indian Health Service (IHS) patient registration databases over the years 1998–2000, searching for individuals 19 years of age or younger with specific ICD-9-specified diagnoses. Crude estimates for disease prevalence were made based on the number of individuals identified with these diagnoses within the database. Results Rheumatoid arthritis (RA) / juvenile rheumatoid arthritis (JRA) was the most frequent diagnosis given. The prevalence rate for JRA in the Oklahoma City Area was estimated as 53 per 100,000 individuals at risk, while in the Billings Area, the estimated prevalence was nearly twice that, at 115 per 100,000. These rates are considerably higher than those reported in the most recent European studies. Conclusion Chronic arthritis in childhood represents an important, though unrecognized, chronic health challenge within the American Indian population living in the United States.
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Affiliation(s)
- Joyce Mauldin
- Dept. of Pediatrics, University of Oklahoma College of Medicine, BSEB #235A, Oklahoma City, OK, 73104 USA
- Current address: Oklahoma City Area Indian Health Service, Five Corporate Plaza, 3625 NW 56th Street, Oklahoma City, OK, 73112 USA
| | - H Dan Cameron
- Oklahoma City Area Indian Health Service, Five Corporate Plaza, 3625 NW 56th Street Oklahoma City, OK, 73112 USA
| | - Diane Jeanotte
- Billings Area Indian Health Service, 2900 4th Avenue North, Billings, MT 59101 USA
| | - Glenn Solomon
- Dept. of Pediatrics, University of Oklahoma College of Medicine, BSEB #235A, Oklahoma City, OK, 73104 USA
- Current address: Arthritis & Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, 73104 USA
| | - James N Jarvis
- Dept. of Pediatrics, University of Oklahoma College of Medicine, BSEB #235A, Oklahoma City, OK, 73104 USA
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Jarvis JN, Cleland SY. Rheumatic disease in native american children: Opportunities and challenge. Curr Rheumatol Rep 2003; 5:471-6. [PMID: 14609493 DOI: 10.1007/s11926-003-0059-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Rheumatic diseases are prevalent in Native American adults at rates five to seven times higher than those seen in the Caucasian population. Little, however, has been published concerning rheumatic diseases in Native American children. The authors' work in Oklahoma and with tribes on the northern Great Plains demonstrates high rates of childhood-onset rheumatic disease in this population. Familial disease is common, and large, multiplex kindreds showing strong founder effects are likely found within specific Native American tribes. However, a deeper understanding of the genetic and environmental triggers of rheumatic disease in Native Americans will require a respect and appreciation for the specific and unique cultural and social issues that impinge on research with Native Americans and other indigenous people.
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Affiliation(s)
- James N Jarvis
- Pediatric Rheumatology Research, University of Oklahoma College of Medicine, Basic Sciences Education Building #235A, Oklahoma City, OK 73104, USA.
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Abstract
Laboratory investigations are an integral part of evaluation of a child with rheumatic disease. In rheumatic diseases markers of inflammation like CRP and erythrocyte sedimentation are usually raised. In addition, various autoantibodies like anti-nuclear antibody, rheumatoid factor, anti-neutrophil cytoplasmic antibody help in diagnosis of systemic autoimmune rheumatic diseases. Synovial fluid analysis is useful in evaluating a patient with monoarthritis. The lab tests should not be done indiscriminately and choice of test should be based on provisional clinical diagnosis. A high pre-test probability increases the utility of test. Tests with high sensitivity should be used for screening whereas tests with high specificity should be used for confirmation of diagnosis. Finally, mere presence of an abnormal test does not mean disease.
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Affiliation(s)
- Amita Aggarwal
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
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40
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Affiliation(s)
- James N Jarvis
- Department of Pediatrics, Oklahoma University College of Medicine, Basic Sciences Bldg., #235A, Oklahoma City, OK 73104, USA
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Abstract
Joint disorders in Asian children are varied due to the diversity of the Asian population and show some ethnic trends. The ethnic diversity, socio-economic and geographic factors in Asia have limited the availability of data from some of the ethnic groups, many of whom live in remote and relatively underdeveloped areas, are not subjected to epidemiological surveillance and have little awareness of these diseases and their consequences. Geographic and socio-economic factors also play a significant role in some of the joint diseases peculiar to Asian children. In general, the current available data suggests that there are no large differences in the epidemiology and clinical features between the Western and Asian children. This article reviews the available literature on joint diseases in Asian children.
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Affiliation(s)
- T H Tan
- Department of Radiology, North District Hospital, Fanling, NT, Hong Kong
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Abstract
Epidemiological research in the field of paediatric rheumatology is important for reasons such as the identification of possible aetiological factors, description of the natural history, identification of biologically homogeneous disease groups and health care planning. This review will focus on the epidemiology of 'idiopathic' juvenile arthritis (JA) where data are available for comparison in terms of time, space and ethnic origin. Methodological issues that make comparisons of data difficult, such as case definition, source population and case ascertainment, will be discussed in relation to the data presented. The incidence and prevalence of JA cover a wide range, but, in studies that use similar methodology, an incidence of 5-18 and a prevalence of 30-150 per 100,000 children under the age of 16 is found in Europe and on the American continent. Studies from other parts of the world indicate differences in age of onset and subgroup distribution related to geographical location and/or race.
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Affiliation(s)
- B A Gäre
- Department of Pediatrics, Ryhov County Hospital, Jönköping, Sweden
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Abstract
This study was performed to review reports of the descriptive epidemiology of chronic arthritis in childhood and to analyze the factors that may explain differences in its reported frequency. Articles were retrieved by searching MEDLINE and EMBASE under the following index terms: juvenile rheumatoid arthritis (JRA), juvenile chronic arthritis (JCA), spondyloarthropathy, epidemiology, prevalence, and incidence. For reports published between 1977 to 1982, the Index Medicus was used. All original articles that provided prevalence or incidence rates, population size, or number of cases, were reviewed and entered into the analysis. Variables analyzed were disease prevalence and incidence. Modifier variables investigated were diagnostic criteria, source population, geographic origin of the report (Europe or North America), duration of the study, and race of the population studied. Diagnostic criteria had no effect on reported prevalence or incidence rates. Prevalence per 100,000 at risk obtained from population studies (132, 95% CI: 119, 145) was significantly higher than values derived from practitioner- (26, 95% CI: 23, 29) or clinic-based studies (12, 95% CI: 10, 15) (P = .02). North American clinic-based studies had higher prevalence values compared with European reports (32, 95% CI: 26, 38 versus 8, 95% CI: 5, 11, P = .009). None of the factors analyzed accounted for the variability in reported incidence rates. An effect of race was detected only in the distribution of patients among onset subsets. Thus, the percentage of patients with pauciarticular JRA was highest in series of North American and European caucasian patients (58, 95% CI: 56, 60) compared with series of East Indian (25, 95% CI: 20, 31), native North American Indian (26, 95% CI: 15, 37), or other races (31, 95% CI: 28, 35) (P = .001). In contrast, the percentage of patients with polyarticular JRA was lowest in the former (27, 95% CI: 25, 28) compared with the other racial groups (East Indian, 61, 95% CI: 55, 66; native North American Indian, 64, 95% CI: 53, 76; other races, 34, 95% CI: 30, 38) (P = .004). Although an effect of source population on reported prevalence was confirmed, the effect of geographic origin suggests that environmental or ethnic differences also may influence the prevalence of chronic arthritis in children. Differences in the percentages of patients with pauciarticular and polyarticular JRA may reflect racial differences in the prevalence of these conditions.
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Affiliation(s)
- K G Oen
- Department of Pediatrics, University of Manitoba, Canada
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Donn RP, Ollier WE. Juvenile chronic arthritis--a time for change? EUROPEAN JOURNAL OF IMMUNOGENETICS : OFFICIAL JOURNAL OF THE BRITISH SOCIETY FOR HISTOCOMPATIBILITY AND IMMUNOGENETICS 1996; 23:245-60. [PMID: 8803538 DOI: 10.1111/j.1744-313x.1996.tb00121.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Aggarwal A, Misra RN. Juvenile rheumatoid arthritis in India--rarity of antinuclear antibody and uveitis. Indian J Pediatr 1996; 63:301-4. [PMID: 10830005 DOI: 10.1007/bf02751522] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Juvenile chronic arthritis is a heterogeneous disease, having different subtypes. Among our 89 patients with juvenile chronic arthritis, we did not find even one patient with early onset pauciarticular disease with uveitis and antinuclear antibody positivity. Further, the prevalence of anti-nuclear antibodies and anti-histone antibodies was very low whereas the prevalence of rheumatoid factor was similar to that reported from Western countries. Thus, the spectrum of juvenile chronic arthritis in India differs from that seen in the west. Larger population based studies of the disease are thus needed.
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Affiliation(s)
- A Aggarwal
- Department of Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow
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Gupta D, Singh VK, Rajasingh J, Shinohara T, Misra R, Agarwal SS. Cellular immune responses of patients with juvenile chronic arthritis to retinal antigens and their synthetic peptides. Immunol Res 1996; 15:74-83. [PMID: 8739566 DOI: 10.1007/bf02918285] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The objective of this study was to determine the proliferative responses of peripheral blood lymphocytes of ocular antigens like retinal S-antigen, peptides M and G of S-antigen, yeast histone H3 peptide 106-121 homologous to peptide M and peptide R16 of interphotoreceptor retinoid binding protein (IRBP) in children with juvenile chronic arthritis (JCA). We have studied the in vitro proliferative response of peripheral blood lymphocytes from 41 patients with JCA (10 with and 31 without uveitis) and 23 healthy controls against the above antigens. The responders were retested after 1 or 6 months. Fifty (5/10) and 9.7% (3/31) of JCA patients with and without uveitis, respectively, responded (stimulation index > 3) to S-antigen or one of its peptide listed above or yeast histone H3 peptide or R16 of IRBP. None of the healthy controls responded to any of these antigens. The difference in the frequency of responders (SI > 3) between JCA associated with uveitis and healthy controls was statistically significant (p = 0.001). Similarly, the difference between JCA with and without uveitis was also significant (p = 0.013). Our findings suggest that these antigens may have a role in the pathogenesis of uveitis in a subset of patients with JCA.
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Affiliation(s)
- D Gupta
- Department of Immunology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
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