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Protection from bleeds during physical activity in people with haemophilia: the role of factor levels: a response to Nogami et al. (2023). Int J Hematol 2024:10.1007/s12185-024-03785-1. [PMID: 38691311 DOI: 10.1007/s12185-024-03785-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/19/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024]
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Modeling gross motor developmental curves of extremely and very preterm infants using the AIMS home-video method. Early Hum Dev 2022; 175:105695. [PMID: 36459886 DOI: 10.1016/j.earlhumdev.2022.105695] [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: 08/19/2022] [Revised: 11/17/2022] [Accepted: 11/17/2022] [Indexed: 11/20/2022]
Abstract
BACKGROUND Motor development is one of the first signals to identify whether an infant is developing well. For very preterm (VPT) infants without severe perinatal complications, little is known about their motor developmental curves. AIMS Explore gross motor developmental curves from 3 until 18 months corrected age (CA) of VPT infants, and related factors. Explore whether separate profiles can be distinguished and compare these to profiles of Dutch term-born infants. STUDY DESIGN Prospective cohort study with parents repeatedly recording their infant, using the Alberta Infant Motor Scale (AIMS) home-video method, from 3 to 18 months CA. SUBJECTS Forty-two Dutch infants born ≤32.0 weeks gestational age and/or with a birthweight (BW) of <1500 g without severe perinatal complications. OUTCOME MEASURES Gross motor development measured with the AIMS. RESULTS In total 208 assessments were analyzed, with 27 infants ≥five assessments, 12 with <four, and three with one assessment. Sigmoid-shaped gross motor curves show unidirectional growth and variability. No infant or parental factors significantly influenced motor development, although a trend was seen for the model where lower BW, five-minute Apgar score <7, and Dutch native-speaking parents were associated with slower motor development. Three motor developmental profiles of VPT infants were identified, early developers, gradual developers, and late bloomers, which until 12 months CA are comparable in shape and speed to profiles of Dutch term-born infants. CONCLUSIONS VPT infants show great intra- and interindividual variability in gross motor development, with three motor profiles being distinguished. From 12 months CA onwards, VPT infants appear to develop at a slower pace. With some caution, classifying infants into motor developmental profiles may assist clinical decision-making.
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Physical activity level objectively measured by accelerometery in children undergoing cancer treatment at home and in a hospital setting: A pilot study. PEDIATRIC HEMATOLOGY ONCOLOGY JOURNAL 2019. [DOI: 10.1016/j.phoj.2019.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Measuring activities and participation in persons with haemophilia: A systematic review of commonly used instruments. Haemophilia 2017; 24:e33-e49. [DOI: 10.1111/hae.13367] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/02/2017] [Indexed: 11/30/2022]
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Choosing outcome assessment tools in haemophilia care and research: a multidisciplinary perspective. Haemophilia 2016; 23:11-24. [DOI: 10.1111/hae.13088] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/13/2016] [Indexed: 01/23/2023]
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Using routine Haemophilia Joint Health Score for international comparisons of haemophilia outcome: standardization is needed. Haemophilia 2015; 22:142-7. [DOI: 10.1111/hae.12755] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2015] [Indexed: 11/29/2022]
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Intra-individual motor trajectories of very preterm born infants through to fifteen months corrected age. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.2009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Protected by nature? Effects of strenuous physical exercise on FVIII activity in moderate and mild haemophilia A patients: a pilot study. Haemophilia 2013; 19:519-23. [DOI: 10.1111/hae.12111] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2012] [Indexed: 10/27/2022]
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Functional limitations in Romanian children with haemophilia: further testing of psychometric properties of the Paediatric Haemophilia Activities List. Haemophilia 2013; 19:e116-25. [DOI: 10.1111/hae.12090] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2012] [Indexed: 11/28/2022]
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Joint health and functional ability in children with haemophilia who receive intensive replacement therapy. Haemophilia 2011; 17:783-90. [PMID: 21790897 DOI: 10.1111/j.1365-2516.2011.02606.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Joint physical examination is an important outcome in haemophilia; however its relationship with functional ability is not well established in children with intensive replacement therapy. Boys aged 4-16 years were recruited from two European and three North American treatment centres. Joint physical structure and function was measured with the Haemophilia Joint Health Score (HJHS) while functional ability was measured with the revised Childhood Health Assessment Questionnaire (CHAQ₃₈. Two haemophilia-specific domains were created by selecting items of the CHAQ₃₈ that cover haemophilia-specific problems. Associations between CHAQ, HJHS, cumulative number of haemarthroses and age were assessed. A total of 226 subjects - mean 10.8 years old (SD 3.8) - participated; the majority (68%) had severe haemophilia. Most severe patients (91%) were on prophylactic treatment. Lifetime number of haemarthroses [median=5; interquartile range (IQR)=1-12] and total HJHS (median = 5; IQR=1-12) correlated strongly (ρ = 0.51). Total HJHS did not correlate with age and only weakly (ρ=-0.19) with functional ability scores (median=0; IQR=-0.06-0). Overall, haemarthroses were reported most frequently in the ankles. Detailed analysis of ankle joint health scores revealed moderate associations (ρ=0.3-0.5) of strength, gait and atrophy with lower extremity tasks (e.g. stair climbing). In this population, HJHS summating six joints did not perform as well as individual joint scores, however, certain elements of ankle impairment, specifically muscle strength, atrophy and gait associated significantly with functional loss in lower extremity activities. Mild abnormalities in ankle assessment by HJHS may lead to functional loss. Therefore, ankle joints may warrant special attention in the follow up of these children.
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Abstract
For patients with haemophilia, a physically active lifestyle is important to maintain musculoskeletal health and to prevent chronic diseases, such as cardiovascular disease. Therefore, we studied physical activity levels, in Dutch children and adolescents with haemophilia as well as its association with aerobic fitness and joint health. Forty-seven boys with haemophilia (aged 8-18) participated. Physical activity was measured using the Modifiable Activity Questionnaire (MAQ) and was compared with the general population. Aerobic fitness was determined using peak oxygen uptake (VO(₂peak)). Joint health was measured using the Haemophilia Joint Health Score (HJHS). Associations between physical activity, joint health and aerobic fitness were evaluated by correlation analysis. Subjects were 12.5 (SD 2.9) years old, had a Body Mass Index (BMI) of 19.5 (SD 3.1; z-score 0.5) and a median HJHS score of 0 (range 0-6). Cycling, physical education and swimming were most frequently reported (86%, 69% and 50% respectively). Children with severe haemophilia participated significantly less in competitive soccer and more in swimming than children with non-severe haemophilia. Physical activity levels were similar across haemophilia severities and comparable to the general population. VO(₂peak) kg⁻¹ was slightly lower than healthy boys (42.9 ± 8.6 vs. 46.9 ± 1.9 mL kg⁻¹ min⁻¹; P = 0.03). Joint health, aerobic fitness and physical activity showed no correlation. Dutch children with haemophilia engaged in a wide range of activities of different intensities and showed comparable levels of physical activity to the general population. Aerobic fitness was well preserved and showed no associations with physical activity levels or joint health.
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Is static hyperinflation a limiting factor during exercise in adolescents with cystic fibrosis? Pediatr Pulmonol 2011; 46:119-24. [PMID: 20812244 DOI: 10.1002/ppul.21329] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Revised: 06/09/2010] [Accepted: 06/26/2010] [Indexed: 11/06/2022]
Abstract
Increased work of breathing is considered to be a limiting factor in patients with cystic fibrosis (CF) performing aerobic exercise. We hypothesized that adolescents with CF and with static hyperinflation are more prone to a ventilatorily limited exercise capacity than non-static hyperinflated adolescents with CF. Exercise data of 119 adolescents with CF [range 12-18 years], stratified for static hyperinflation, defined as ratio of residual volume to total lung capacity (RV/TLC) > 30%, were obtained during a progressive bicycle ergometer test with gas analysis and analyzed for ventilatory limitation. Static hyperinflation showed a significant, though weak association (Φ 0.38; P < 0.001) with a ventilatorily limited exercise capacity (breathing reserve index at maximal effort >0.70; FEV(1) < 80% predicted and reduced exercise capacity, defined as VO(2peak) < 85% predicted). Analysis of association for increasing degrees of hyperinflation showed an increase to Φ 0.49 (P < 0.001) for RV/TLC > 50%. In adolescents with static hyperinflation, peak work rate (W(peak) ; 3.1 ± 0.7 W/kg (75.1 ± 17.3% of predicted), peak oxygen uptake (VO(2peak) /kg (ml/min/kg); 39.2 ± 9.2 ml/min/kg (91.0 ± 20.3% of predicted), peak heart rate (HR(peak) ; 176 ± 19 beats/min) were significantly (P < 0.05) decreased when compared with non-static hyperinflated adolescents (W(peak) 3.5 ± 0.5 W/kg (81.4 ± 10.0% of predicted)); VO(2peak) /kg (ml/min/kg); 43.1 ± 7.5 ml/min/kg (98.0 ± 15.1% of predicted); and HR(peak) 185 ± 14 beats/min). Additionally, no difference was found in the degree of association of FEV(1) (%) and RV/TLC (%) with VO(2peak) /kg(pred) and W(peak) /kg(Pred) , but we found the RV/TLC (%) to be a slightly stronger predictor of VO(2peak) /kg(pred) and W(peak) /kg(Pred) than FEV(1) (%). These results indicate that the presence of static hyperinflation in adolescents with CF by itself does not strongly influence ventilatory constraints during exercise and that static hyperinflation is only a slightly stronger predictor of W(peak) /kg(Pred) and VO(2peak) /kg(Pred) than airflow obstruction (FEV(1) (%)).
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Aerobic capacity and muscle strength in juvenile-onset mixed connective tissue disease (MCTD). Scand J Rheumatol 2010; 39:387-92. [PMID: 20604672 DOI: 10.3109/03009741003742714] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES To study the aerobic capacity and muscle strength in children and adolescents with mixed connective tissue disease (MCTD). Frequently reported clinical symptoms include joint swelling, muscle weakness, fatigue, decreased stamina/exercise tolerance, and shortness of breath. The exercise capacity of patients with MCTD has not been studied systematically in this detail before. METHODS Eleven children and adolescents diagnosed with MCTD (mean age 15.7 years, range 11.3–19.9 years) were studied. Maximal exercise testing on a cycle ergometer was used to determine the peak oxygen uptake (VO2peak) and a hand-held dynamometer was used to measure muscle strength. Cardiac and pulmonary function tests (ultrasonography, electrocardiography, spirometry) were used to measure cardiac function and obstructive or restrictive respiratory impairment. Complementary data (e.g. disease duration and concurrent symptoms) were collected from a medical chart review. RESULTS VO2peak was significantly lower in patients with MCTD compared to the VO2peak of healthy subjects (Z-score –1.9, p = 0.008). The strength of the proximal muscles (hip flexors, shoulder abductors, knee extensors) of the patients was significantly lower than in the controls, whereas the strength of the distal muscles (dorsal flexors of the foot and handgrip strength) showed no differences. In eight children, arthritis was observed. No clinically relevant impairment in cardiac or pulmonary function was observed. CONCLUSIONS Aerobic capacity and also proximal muscle strength were significantly impaired in our sample of children and adolescents with MCTD. Because respiratory problems were non-dominant in our patient group, the decreased aerobic capacity and muscle strength were probably caused by musculoskeletal impairments. Further studies in larger multicentre samples are warranted to confirm our findings.
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Comparing different revisions of the Childhood Health Assessment Questionnaire to reduce the ceiling effect and improve score distribution: Data from a multi-center European cohort study of children with JIA. Pediatr Rheumatol Online J 2010; 8:16. [PMID: 20478036 PMCID: PMC2885385 DOI: 10.1186/1546-0096-8-16] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2009] [Accepted: 05/17/2010] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The original version of the Childhood Health Assessment Questionnaire (CHAQ30orig) suffers from a ceiling effect and hence has reduced clinical validity. The purpose of this study was to evaluate the effect of adding eight more demanding items (CHAQ38) and a new categorical response option (CATII) on discriminant validity and score distribution in a European patient sample. METHODS Eighty-nine children with Juvenile Idiopathic arthritis (JIA) and 22 healthy controls, aged 7-16 years, were recruited from eight centres across Europe. Eight new CHAQ items and scoring option were translated back and forth for the countries in which they were not already present. Demographic, clinical, and CHAQ data were collected on-site. Subsequently, five different scoring methods were applied, i.e. the original method (CHAQ30orig) and four alternatives. These alternatives consisted of the mean item scores for the 30 and 38-question versions with either the original (CATI), or the new categorical response option (CATII). The five versions were tested for their ability to distinguish between patients and controls. Furthermore score distributions were evaluated and visualized by box and whisker plots. RESULTS Two CHAQ revisions with the new response option showed poor discriminative ability, whereas one revised version (CHAQ38CATI) had comparable discriminative ability comparable to the original CHAQ. A profound ceiling effect was observed in the original scoring method of the CHAQ (27%). The addition of eight more demanding items and application of a plain mean item score reduced this significantly to 14% (chi2 = 4.21; p < 0.05). CONCLUSIONS Revising the CHAQ by adding eight more demanding items and applying a plain mean item scoring (CHAQ38CATI) maintained discriminant ability and reduced the ceiling effect in a European patient sample. The new categorical response option (CATII) seemed promising, but was less able to distinguish children with JIA from healthy controls and had less favourable distribution characteristics. The CHAQ38CATI is advocated for future use in mildly affected JIA patients.
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Transition of rheumatologic care, from teenager to adult: which health assessment questionnaire can be best used? Clin Exp Rheumatol 2010; 28:281-286. [PMID: 20483054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Accepted: 05/13/2010] [Indexed: 05/29/2023]
Abstract
OBJECTIVES Transition of care for adolescents includes a transfer from paediatric to adult health care. This requires a transfer of specific measurements, which evaluate disease profiles such as functional ability. One of the most common measurements is the Health Assessment Questionnaire (HAQ). METHODS Results of the Childhood HAQ (CHAQ) and HAQ were compared among adolescents diagnosed with rheumatic diseases involving the musculoskeletal system. All adolescents had recently dealt with or would in the near future be dealing with transition. RESULTS Overall results of both questionnaires were comparable; intra-class correlation for consistency (ICC) was 0.95 (95% confidence interval 0.93-0.97). For a smooth transfer from CHAQ to HAQ, both correlation and agreement are required. Agreement between both questionnaires was not found. Described by limits of agreement, results of HAQ can differ from CHAQ as much as 0.95. CONCLUSIONS Despite strong correlations for consistency, lack of agreement was found in the results of CHAQ and HAQ. If correlation persists over time, this study suggests evaluating both the childhood and adult version of the HAQ during the transition period. When transfer into adulthood is completed, comparison to earlier tests at younger age is available and reliable.
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The Dutch translation of the revised Childhood Health Assessment Questionnaire: a preliminary study of score distribution. Clin Exp Rheumatol 2010; 28:275-280. [PMID: 20483053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2009] [Accepted: 11/10/2009] [Indexed: 05/29/2023]
Abstract
BACKGROUND The Childhood Health Assessment Questionnaire (CHAQ30) is the most commonly used physical functioning questionnaire for children with Juvenile Idiopathic Arthritis (JIA). By revising the CHAQ30 Lam et al. succeeded in decreasing the ceiling effect of this questionnaire in a North American population of children with diverse musculoskeletal diseases. OBJECTIVES To examine the score distribution of the revised CHAQ in a population of children with JIA. METHODS In this Dutch multicentre study 72 children with JIA participated (55 girls), with a mean age of 11.0 (+/- 3.1) and a mean disease duration of 4.6 year (+/- 3.7). The score distribution of the original CHAQ30 and four versions of the revised CHAQ was analysed with the median, range and interquartile range (IQR) and visualised with box-and-whisker plots. The normality of the score distribution was tested by the Kolmogorov-Smirnov one-sample test of normality. RESULTS Although the addition of 8 more challenging items improved the spread of the scores of the revised CHAQ versions, the original CHAQ30 showed a better distribution of the scores. CONCLUSIONS The revised CHAQ38 with the distribution characteristics, found in this study, might be especially relevant in interventions for patients with JIA at the mild end of the disability spectrum.
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The Role of the Forearm Muscles Related to Wrist Malalignment in Juvenile Chronic Arthritis. ACTA ACUST UNITED AC 2009. [DOI: 10.1080/140381901750475357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Abstract
OBJECTIVES The 6-minute walk test (6MWT) is a frequently used indicator of functional exercise capacity. The goals of this study were to compare the 6-minute walk performance of three paediatric patient groups with that of healthy peers, to assess differences between published reference values and to investigate which anthropometric characteristics best predict 6-minute walk performance. METHODS 47 children with haemophilia (mean (SD) age 12.5 (2.9) years), 44 with juvenile idiopathic arthritis (JIA) (mean age 9.3 (2.2) years) and 22 with spina bifida (SB) (mean age 10.3 (3.1) years) were included. Subjects performed a 6MWT, and the distance walked (6MWD) was compared with published reference values. RESULTS The haemophilia, JIA and SB patients achieved 90%-92%, 72%-75% and 60%-62% of predicted walking distances, respectively. There were significant associations between 6MWD and age, height and weight in the haemophilia group and 6MWD and height in the JIA group. None of the anthropometric variables was significantly related to 6MWD in the SB group. All anthropometric variables were strongly correlated with walking distance-body weight product (6Mwork) in all groups. Height explained 24% (haemophilia) and 11% (JIA) of the variance in 6MWD and 84% (haemophilia), 78% (JIA) and 73% (SB) of the variance in 6Mwork. CONCLUSIONS Walking distances of children with haemophilia, JIA and SB are significantly reduced compared with healthy references. Walking distance-body weight product seems to be a better outcome measure of the 6MWT compared with distance walked alone. Height is the best predictor of 6MWD and 6Mwork.
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Aerobic and anaerobic exercise capacity in children with juvenile idiopathic arthritis. ACTA ACUST UNITED AC 2007; 57:891-7. [PMID: 17665476 DOI: 10.1002/art.22893] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To compare the aerobic and anaerobic exercise capacity of children with juvenile idiopathic arthritis (JIA) with healthy controls, to determine if there were differences based on disease onset type, and to examine the relationship between aerobic and anaerobic exercise capacity in children with JIA. METHODS Sixty-two patients with JIA (mean +/- SD age 11.9 +/- 2.2 years, range 6.7-15.9) participated in this study. Aerobic exercise capacity was measured using a cardiopulmonary exercise test. Anaerobic exercise capacity was measured using the Wingate Anaerobic Exercise Test (WAnT). RESULTS All patients were able to perform the cardiopulmonary exercise test and WAnT without adverse events. On average, the maximal oxygen uptake (VO(2peak)) and VO(2peak/kg) were 69.8% and 74.8%, respectively, of that predicted compared with healthy controls. Mean +/- SD power was 66.7% +/- 37.2% of that predicted compared with healthy children. Mean +/- SD peak power was 65.5% +/- 43.1% of that predicted compared with healthy children. There were significant differences between subgroups of JIA; the oligoarticular-onset group values did not significantly differ from healthy control values; the polyarticular rheumatoid factor positive-onset subgroup had the greatest impairment in both aerobic and anaerobic exercise capacity. The correlations of mean power and peak power with VO(2peak) were r = 0.884 and r = 0.697, respectively (P < 0.05). CONCLUSION This study demonstrates that both the aerobic and anaerobic exercise capacity in children with JIA are significantly decreased. The WAnT might be a valuable adjunct to other assessment tools in the followup of patients with JIA.
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Physical fitness, functional ability and quality of life in children with severe haemophilia: a pilot study. Haemophilia 2006; 12:494-9. [PMID: 16919079 DOI: 10.1111/j.1365-2516.2006.01307.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In the Netherlands comparable levels of sports-participation between persons with haemophilia and healthy controls have been reported. This raises the question if children with haemophilia under the currently available prophylaxis do reach comparable levels of physical fitness and health-related quality of life (HRQoL) as their healthy peers. The aim of this study was to investigate the level of physical fitness, functional ability and quality of life and to determine the feasibility to safely test the exercise capacity of boys with severe haemophilia A. Thirteen subjects participated in this study. Physical fitness was determined using the measurement of maximal oxygen uptake (VO2peak) attained during a graded maximal exercise test to volitional exhaustion. Joint health, physical activity levels and health-related quality of life (Haemo-Qol) were also measured. Mean VO2peak was 1.86+/-0.77 L min-1 (Z-score: -0.39+/-1.61) which was not significantly different from reference values. Relative VO2peak was 47.42+/-8.29 mL min-1 kg-1 (Z-score: -0.52+/-1.43), which did not differ significantly from reference values either. One boy suffered a joint bleeding one day after the test. Haemo-Qol scores in parents and children ranged from 3.2% to 36.7% (100% reflects poor outcome). Relationship between the child or parent reports of Haemo-QoL and both absolute and relative VO2peak ranged from R=0.00 and R=0.4. Exercise testing in children with severe haemophilia A was a safe procedure. Patients with severe haemophilia A with good joint health and no limitations of activities have comparable physical fitness and physical active lifestyle with healthy peers and good HRQoL.
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Examining the psychometric characteristics of the Dutch childhood health assessment questionnaire: room for improvement? Rheumatol Int 2006; 26:979-83. [PMID: 16468046 DOI: 10.1007/s00296-006-0108-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2005] [Accepted: 12/25/2005] [Indexed: 10/25/2022]
Abstract
The aim of this study was to examine the psychometric characteristics of the childhood health assessment questionnaire-disability index (CHAQ-DI). Seventy-six patients with juvenile idiopathic arthritis (JIA), age range 4.8-15.8 years, completed a CHAQ questionnaire one or more times. In total, 321 CHAQ questionnaires were available for analysis. Factor analysis and correlation were used to analyse the data. The analysis indicated that 12 items could be removed from the original 30 items of the CHAQ-DI. Also the addition of "aids and assistance" to the overall scoring method of the CHAQ-DI did not contribute to the overall measuring concept of the CHAQ-DI. The psychometric characteristics of the CHAQ-DI could be improved by removing 12 items from the original 30 items. Moreover, a simple scoring method, without the addition of aids and assistance to the total CHAQ-DI improves sensitivity to change of the CHAQ-DI.
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Physiologic response of the six-minute walk test in children with juvenile idiopathic arthritis. ACTA ACUST UNITED AC 2005; 53:351-6. [PMID: 15934128 DOI: 10.1002/art.21175] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To determine the physiologic response of the 6-minute walk test (6-mwt) in children with juvenile idiopathic arthritis (JIA). METHODS Eighteen children with JIA (age 7-17 years; 6 boys, 12 girls) performed a 6-mwt and a maximal exercise test. RESULTS The physiologic response of the 6-mwt was on average between 80% and 85% of the peak values of heart rate and oxygen uptake (VO2peak) during the maximal exercise test, except for the minute ventilation, which had a mean percentage of 68.5%. Backward regression analysis showed that height and distance walked were the best predictors of VO2peak during cycling (R2 = 0.883, P < 0.001). During the 6-mwt, the difference between the first and second minute was significant in every variable, except for heart rate. The range of walking distance of children with JIA was comparable with that of healthy elderly people. CONCLUSION The physiologic response of the 6-mwt is at a submaximal, intense level of exercise. The course of the responses during the 6-mwt was normal. The 6-mwt can be regarded as a good test for measuring functional exercise capacity.
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Abstract
The aim of this review is to determine whether physical fitness, assessed by peak oxygen uptake (VO(2peak)) measurement, is reduced in survivors of acute lymphoblastic leukemia (ALL) compared to healthy children. A systematic literature search (up to June 2004) was performed using Medline, Sportdiscus, Cinahl, Embase, Cochrane and PEDro database and reference tracking. The VO(2peak) (ml kg(-1) min(-1)) reached during a maximal exercise test until volitional exhaustion was used as the main outcome for this review. In all, 17 studies were identified in the literature. Data from three studies (102 ALL survivors, age ranging from 7 to 19 years) were pooled in a meta-analysis. Although there was a significant heterogeneity between the included studies (P=0.0006), the standardized mean difference (SMD) value of -0.61 (P=0.07) indicated that VO(2peak) tended to be reduced in survivors of childhood ALL compared to healthy control subjects, that is, decrease of -5.97 ml kg(-1) min(-1) (95% confidence interval (CI): (-12.35, 0.41); P=0.07) or -13% (95 % CI: (-27, 0.004)). Physical fitness tends to be reduced in survivors of ALL during childhood, which suggests the need for this population group to engage in regular physical activities with the purpose of increasing their functional capacity. Although more research is needed, this functional improvement might ameliorate the quality of life of ALL survivors as physical and outdoors activities are an essential part of daily routine during childhood.
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Vaccination does not exacerbate juvenile idiopathic arthritis disease activity in a cohort of Dutch patients. AKTUEL RHEUMATOL 2003. [DOI: 10.1055/s-2003-45073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Physical activity and health related physical fitness in children with juvenile idiopathic arthritis. Ann Rheum Dis 2003; 62:885-9. [PMID: 12922964 PMCID: PMC1754667 DOI: 10.1136/ard.62.9.885] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To obtain insight into the interaction between daily physical activity and components of health related physical fitness in children with juvenile idiopathic arthritis. METHODS Forty five patients (10 male/35 female; mean (SD) age 8.9 (2.2) years) participated in the study. Body mass, height, skinfold thickness, number of swollen joints, and joint range of motion were determined. The maximal oxygen consumption (VO(2peak)) was assessed during a graded maximal bicycle exercise test. Daily physical activity levels were measured with a Caltrac activity monitor and a parental physical activity rating (PAL) on a five point Likert scale. RESULTS Partial correlation coefficients (to control for age) between physical activity and indices of health related physical fitness showed significant relationships between Caltrac motion counts and absolute VO(2peak) (r=0.31) and relative VO(2peak) (r=0.34), but not with the indices of body composition. There was also a significant correlation between PAL and relative VO(2peak) (r=0.33). CONCLUSIONS Physical activity was significantly related to cardiorespiratory fitness but not to body composition in children with juvenile idiopathic arthritis. A longitudinal follow up should show whether an active lifestyle protects for loss of aerobic fitness in this patient group.
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Relationship between functional ability and physical fitness in juvenile idiopathic arthritis patients. Scand J Rheumatol 2003; 32:174-8. [PMID: 12892255 DOI: 10.1080/03009740310002524] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To determine the relationship between aerobic and anaerobic physical fitness and functional ability in children with juvenile idiopathic arthritis (JIA). METHODS Eighteen children with JIA (age 7 to 14 yr., 3 male/15 female) performed a maximal aerobic exercise test and a Wingate anaerobic exercise test. Functional ability was concurrently assessed using the Childhood Health Assessment Questionnaire (CHAQ). RESULTS A low relationship between aerobic fitness and functional ability was found (r = 0.0 to 0.4, p > 0.05, except for eating r = 0.46, p < 0.05). The correlations between anaerobic physical fitness and functional ability in JIA patients were strong (r = 0.5 to 0.75, p < 0.05). This indicated a good relationship between anaerobic fitness and functional ability. CONCLUSION The strong association between anaerobic physical fitness and functional ability showed the importance of anaerobic physical fitness for children with JIA.
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The physiological and physical determinants of functional ability measures in children with juvenile dermatomyositis. Rheumatology (Oxford) 2003; 42:591-5. [PMID: 12649408 DOI: 10.1093/rheumatology/keg210] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE To study the relationships of muscle strength and maximal oxygen consumption (VO(2peak)) with Childhood Health Assessment Questionnaire (CHAQ) score, Childhood Myositis Assessment Score (CMAS) and Child Health Questionnaire [physical summary (CHQ-PhS) and psychosocial summary (CHQ-PsS)] scores in juvenile dermatomyositis. METHOD Fifteen patients (age 5-14 yr) participated. CMAS, CHAQ, CHQ, muscle strength and VO(2peak) were measured. RESULTS Correlations revealed significant relationships between CHAQ and (i) muscle strength (r=-0.72) and (ii) absolute VO(2peak) (r=-0.68); between CMAS and relative VO(2peak) (r=0.73); and between CHQ-PhS and (i) muscle strength (r=0.57) and (ii) relative VO(2peak) (r=0.58). Backward regression analysis showed that muscle strength was the best indicator of variation in CHAQ. Age and relative VO(2peak) were the best indicators for CMAS. Body mass and age were the best indicators for CHQ-PsS. Body mass and muscle strength were the best indicators for CHQ-PhS. CONCLUSION CMAS, CHAQ and CHQ correlate with muscle strength and VO(2peak). CMAS, CHAQ and CHQ depend on different physical and physiological variables.
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Abstract
More and more researchers are questioning the theoretical and scientific foundations as well as the efficacy and effects of many physiotherapy interventions. The same applies for many of the neurophysiological based interventions that are being used in paediatric rehabilitation. Opinions and views regarding the development of motor behaviour of infants and children are significantly changing. Paediatric interventionists should consider bringing their interventions and focus of treatment into agreement with changed scientific knowledge. Moreover, for almost all other medical problems in childhood, paediatric rehabilitation has little to offer but mostly miniaturized forms of adult treatment. It not only means that we have to make a paradigm shift, but also are in the need of a broader view on paediatric rehabilitation as a specialized professional activity.
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Cultural differences in functional status measurement: analyses of person fit according to the Rasch model. Qual Life Res 2001; 9:571-8. [PMID: 11190011 DOI: 10.1023/a:1008949108089] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
For many reasons it is preferable to use established health related outcome instruments. The validity of an instrument, however, can be affected when used in another culture or language other than what it was originally developed. In this paper, the outcome on functional status measurement using a preliminary version of the Dutch translated 'Pediatric Evaluation of Disability Inventory' (PEDI) was studied involving a sample of 20 non-disabled Dutch children and American peers, to see if a cross-cultural validation procedure is needed before using the instrument in the Netherlands. The Rasch model was used to analyse the Dutch data. Score profiles were not found to be compatible with the score profiles of American children. In particular, ten items were scored differently with strong indications that these were based on inter-cultural differences. Based on our study, it is argued that cross-cultural validation of the PEDI is necessary before using the instrument in the Netherlands.
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Outcome status in children with sustained polyarticular and systemic juvenile idiopathic arthritis. Rheumatology (Oxford) 2001; 40:225-6. [PMID: 11257163 DOI: 10.1093/rheumatology/40.2.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Abstract
OBJECTIVE To analyze the displacement response of juvenile arthritic wrists during grasp in order to diagnose early ligamental laxity and facilitate early splinting. METHODS X-rays of the wrists, made under standardized conditions, of 30 children with juvenile chronic arthritis (mean age 10.4 years, range 4.5-16.9) were analyzed after being digitalized. Osseous landmarks were identified, and coordinates were calculated from measured angles and lengths with an accuracy of 0.01'. Lunate and carpal-ulnar distance were obtained according to Youm, and ulnar variance according to Häfner. RESULTS Overall, an increase in ulnar-lunate displacement and carpal narrowing and a decrease in ulnar variance were found. However, not all wrists responded to the same extent. Radial displacement of the lunate, though slight, was found in 2 wrists and the amount of ulnar displacement varied substantially (3.1% to 22.5%). The variance in amount of displacement could suggest that juvenile wrists do not respond to increased compressive forces to the same extent. CONCLUSION The changes found are similar to those found in the healthy wrist. Furthermore, our findings suggest that the juvenile wrist acts in accordance with the generally accepted explanation for the development of malalignment in adult wrists. It seems that laxity of ligaments can be diagnosed early by the force grip maneuver during x-ray. It would have a significant impact on the moment of orthotic intervention as well as the design of the orthotic device. Further study along this line seems justified.
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"Disablement" framework variables in the assessment of juvenile arthritis outcomes: comment on the article by Giannini et al. ARTHRITIS AND RHEUMATISM 1998; 41:2279-80. [PMID: 9870890 DOI: 10.1002/1529-0131(199812)41:12<2279::aid-art31>3.0.co;2-e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Abstract
Pain is a major symptom in chronic inflammatory arthropathies such as rheumatoid arthritis and affects the health status of arthritis patients negatively. There has been much debate about the role of pain in juvenile chronic arthritis and this review deals with the controversies about this subject. Pain in children is best understood as a multifactorial concept in which pain is the result of somatosensory, behavioural and environmental factors. The role of the different factors contributing to pain will be assessed with special reference to mechanisms relevant to children with chronic pain, the various instruments to measure pain, such as visual analogue scales and algometry, and the treatment of chronic pain in juvenile chronic arthritis. For a true understanding of chronic pain in children, these multidimensional assessments should be integrated into a biobehavioral model, by means of which a better understanding should lead to new therapeutic interventions for one of the most common symptoms of rheumatic diseases in childhood: pain.
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Correlates of disablement in systemic onset juvenile chronic arthritis. A cross sectional study. Scand J Rheumatol 1997; 26:188-96. [PMID: 9225874 DOI: 10.3109/03009749709065680] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The impact of systemic onset JCA on functional outcome was studied in a multidimensional construct. Twenty-one patients were subjected to auxologic evaluation, a laboratory check, pulmonary and cardiac function tests, radiographic evaluation, joint count on tenderness, swelling and function, ADL, health assessment (CHAQ), and psychosocial evaluation. Six of 21 patients had active systemic disease. Restrictive pulmonary function was found in 8/17 patients, 1/21 had pericarditis. Joint impairment was moderate. Functional limitations were mild. Self-esteem was positive. Parental report on functional limitation correlated significantly with joint impairment. Performance of daily activities correlated strongly with perceived competence. Active inflammatory disease did not correlate with joint impairment and functional limitation. Patients with systemic onset JCA develop mild functional limitations, which partially correlate with the more serious impairments. Pulmonary function disorders are a common impairment. Active inflammatory disease might influence functional outcome, but there is no evidence that it influences joint impairment outcome.
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Functional alpha 1-adrenergic receptors on leukocytes of patients with polyarticular juvenile rheumatoid arthritis. J Neuroimmunol 1996; 71:223-6. [PMID: 8982123 DOI: 10.1016/s0165-5728(96)00125-7] [Citation(s) in RCA: 110] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
During the last decade it has been shown that the central nervous system can influence the immune system. In healthy individuals, catecholamines can inhibit the production of pro-inflammatory cytokines like interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-alpha) via interaction with beta 2-adrenergic receptors. In contrast, we show here that catecholamines can stimulate the production of the interleukin-6 (IL-6) in children with the chronic inflammatory disease polyarticular juvenile rheumatoid arthritis (JRA). The induction of IL-6 is mediated by triggering of alpha 1-adrenergic receptors on peripheral blood leucocytes of the patients with polyarticular JRA. Functional alpha 1-adrenergic receptors are absent on leukocytes of normal donors and on leukocytes of patients with the oligoarticular form of the disease.
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Correlates of disablement in polyarticular juvenile chronic arthritis--a cross-sectional study. BRITISH JOURNAL OF RHEUMATOLOGY 1996; 35:91-100. [PMID: 8624631 DOI: 10.1093/rheumatology/35.1.91] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
To assess the impact of disease on the functional outcome of patients with polyarticular juvenile chronic arthritis (JCA), the relationship between impairments and functional limitations was studied. Therefore, variables from the impairment domain were correlated with variables of the functional limitation domain and outcome variables were analysed for differences as a result of inflammatory disease, rheumatoid factor (RF), disease duration and age at onset. Twenty-three patients with polyarticular JCA were subjected to auxologic evaluation, a laboratory check, radiographic evaluation, joint count on tenderness and swelling, joint mobility/deformity examination, functional assessment of skills, health assessment and psychosocial evaluation. Inflammatory disease parameters, like CRP, ESR, thrombocytosis and leucocytosis, were increased in 6/23 patients. The parameters of the impairment domain, like joint tenderness and swelling, showed mild outcome, while parameters of the functional limitation domain showed more severe outcome. Generally, perceived competence was found to be normal. A clinically relevant number of patients (10/13) showed low scores on the activity factor of the Child Behaviour Check List (CBCL). A significant relationship was found between inflammatory disease variables and functional limitation outcome. RF seropositivity was not a good outcome predictor. Disease duration and age of onset showed no significant difference in the outcome of the domains. Significant correlation was found between the parental report of the Childhood Health Assessment Questionnaire (CHAQ) and all impairment parameters. Joint swelling showed a significant relationship with CHAQ and Juvenile Arthritis Functional Assessment Report (JAFAR). Disability outcome did not correlate with functional limitation. In general, children with polyarticular JCA function rather well when using a multidomain evaluation approach. Compensatory and adaptational mechanisms might contribute to the poor correlation between impairment and functional limitation parameters. Laboratory evaluation of inflammatory disease, a joint count of swollen joints and parent's report of the child's health status related best in our study.
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Musculoskeletal disorders in juvenile onset mixed connective tissue disease. J Rheumatol Suppl 1995; 22:751-7. [PMID: 7791176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVE We studied the occurrence of musculoskeletal involvement in patients with juvenile onset mixed connective tissue disease (MCTD) and their functional ability. METHODS Thirteen patients who fulfilled the Kasukawa criteria of MCTD, were subjected to a general orthopedic assessment, as well as to a specific examination of tenderness and swelling of joints, muscle strength, joint motion and alignment, radiographical evaluation, and on disability and discomfort. RESULTS Low indices were found on the modified Ritchie Articular Index (RI) (0.07) and the Fuchs Swelling Index (0.13). Mild to moderate indices were measured on the Joint Alignment and Motion Scale (JAM) (0.52) and on the Larsen Radiographic Evaluation Scales for the wrist, metacarpal, proximal and distal interphalangeal joints (L-RES) (1.40, 0.62, 0.31, 0.31). The mean pulp-thickness ratio was 22%, which is an indication for sclerodermic changes in the hands. Proximal muscle weakness was found in 10/13 patients (mainly in the upper extremity), distal muscle weakness was found in 12/13 patients. On the pediatric version of the Stanford Health Assessment Questionnaire (C-HAQ), pain and discomfort scored 0.04, disability scored 0.46; those scores were considered to below. Between L-RES and JAM a significant correlation was found (0.74, 0.74 and 0.73; p < 0.01). Another significant correlation was found between the RI and the disability score of the HAQ (0.58; p < 0.05). CONCLUSION Sclerodermic changes as well as arthritic changes are of a benign character in our population of patients with juvenile onset MCTD.
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[2 children with discitis]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1993; 137:1614-6. [PMID: 8366964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The childhood form of discitis was diagnosed in a 2-year-old girl and a 5-year-old boy. They presented with an antalgic posture, muscular defense and a positive Gowers sign. Characteristic symptoms of this childhood discitis form the triad: unexplained fever, increased erythrocyte sedimentation rate and symptomatic narrowing of an intervertebral space.
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[Physiotherapy and orthopedic treatment of juvenile chronic arthritis]. TIJDSCHRIFT VOOR KINDERGENEESKUNDE 1991; 59:167-72. [PMID: 1957304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The management of juvenile chronic arthritis requires a multidisciplinary approach. Treatment is based on knowledge of the pathogenetic factors playing a role in the disintegration of joints due to the chronic synovitis and consist of non-operative and operative methods. These therapeutic modalities are used in close coherence with each other. Preservation of ambulation and hand function has a priority in the treatment program. Early intervention, in order to prevent joint destruction is one of the cornerstones in the treatment of juvenile chronic arthritis.
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[Wrist disorders in juvenile chronic arthritis]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1990; 134:2284-9. [PMID: 2255361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In Juvenile Chronic Arthritis the wrist often is involved. Synovitis of this joint gives rise to several types of disintegration, which can lead to serious deformities and loss of function. Therapeutical considerations should be based upon knowledge of these types of disintegration and the natural history.
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The effects of a tactile stimulation/range-finding programme on the development of very low birth weight infants during initial hospitalization. Child Care Health Dev 1988; 14:341-54. [PMID: 3228960 DOI: 10.1111/j.1365-2214.1988.tb00586.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
During 1984 and 1985, after their referral to the intermediate care nursery, 51 healthy very low birth weight infants were subjected to a tactile stimulation programme imitating the spatial limitation which occurs towards the end of gestation. The sensory motor development of the study group was compared with the development of a control group during initial hospitalization. The study and control group differed significantly in the neonatal period after completion of the programme. The study group showed better auditive responses (P less than 0.02), more variations in hand movements (P less than 0.01), less hypotony (P less than 0.02), more sucking (P less than 0.02), and less bradycardia and apnoea (P less than 0.01).
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