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1.  Cancer risk in childhood-onset systemic lupus 
Arthritis Research & Therapy  2013;15(6):R198.
Introduction
The aim of this study was to assess cancer incidence in childhood-onset systemic lupus erythematosus (SLE).
Methods
We ascertained cancers within SLE registries at 10 pediatric centers. Subjects were linked to cancer registries for the observational interval, spanning 1974 to 2009. The ratio of observed to expected cancers represents the standardized incidence ratio (SIR) or relative cancer risk in childhood-onset SLE, versus the general population.
Results
There were 1020 patients aged <18 at cohort entry. Most (82%) were female and Caucasian; mean age at cohort entry was 12.6 years (standard deviation (SD) = 3.6). Subjects were observed for a total of 7,986 (average 7.8) patient-years. Within this interval, only three invasive cancers were expected. However, 14 invasive cancers occurred with an SIR of 4.7, 95% confidence interval (CI) 2.6 to 7.8. Three hematologic cancers were found (two non-Hodgkin’s lymphoma, one leukemia), for an SIR of 5.2 (95% CI 1.1 to 15.2). The SIRs stratified by age group and sex, were similar across these strata. There was a trend for highest cancer occurrence 10 to 19 years after SLE diagnosis.
Conclusions
These results suggest an increased cancer risk in pediatric onset SLE versus the general population. In absolute terms, this represents relatively few events. Of note, risk may be highest only after patients have transferred to adult care.
doi:10.1186/ar4388
PMCID: PMC3978586  PMID: 24267155
2.  Measurement Properties of Questionnaires Assessing Complementary and Alternative Medicine Use in Pediatrics: A Systematic Review 
PLoS ONE  2012;7(6):e39611.
Objective
Complementary and alternative medicine (CAM) is commonly used by children, but estimates of that use vary widely partly due to the range of questionnaires used to assess CAM use. However, no studies have attempted to appraise measurement properties of these questionnaires. The aim of this systematic review was to critically appraise and summarize measurement properties of questionnaires of CAM use in pediatrics.
Study design
A search strategy was implemented in major electronic databases in March 2011 and conference websites, scientific journals and experts were consulted. Studies were included if they mentioned a questionnaire assessing the prevalence of CAM use in pediatrics. Members of the team independently rated the methodological quality of the studies (using the COSMIN checklist) and measurement properties of the questionnaires (using the Terwee and Cohen criteria).
Results
A total of 96 CAM questionnaires were found in 104 publications. The COSMIN checklist showed that no studies reported adequate methodological quality. The Terwee criteria showed that all included CAM questionnaires had indeterminate measurement properties. According to the Cohen score, none were considered to be a well-established assessment, two approached the level of a well-established assessment, seven were promising assessments and the remainder (n = 87) did not reach the score’s minimum standards.
Conclusion
None of the identified CAM questionnaires have been thoroughly validated. This systematic review highlights the need for proper validation of CAM questionnaires in pediatrics, which may in turn lead to improved research and knowledge translation about CAM in clinical practice.
doi:10.1371/journal.pone.0039611
PMCID: PMC3387262  PMID: 22768098
3.  High rates of unsuccessful transfer to adult care among young adults with juvenile idiopathic arthritis 
Background
This study aimed to describe the proportion of patients with juvenile idiopathic arthritis (JIA) who had experienced an unsuccessful transfer from a pediatric rheumatology team to an adult rheumatologist and to compare the characteristics of those who achieved successful transfer to those who did not.
Methods
We conducted a systematic chart review of all patients with JIA who attended their final Montreal Children's Hospital JIA clinic appointment between 1992 and 2005. We tracked these patients for the two years after transfer to an adult rheumatologist. We then compared characteristics of patients with successful and unsuccessful transfers of care. Variables pertaining to disease characteristics, disease severity and psychosocial factors were examined. Univariate analyses were performed to determine if any single factor was associated with the outcome of unsuccessful transfer of care.
Results
52% of patients fulfilled our criteria for unsuccessful transfer. Of the variables tested, an active joint count (AJC) of zero at last visit was associated with the outcome of unsuccessful transfer (OR = 2.67 (CI 1.16-6.16; p = 0.0199)).
Conclusions
Despite the presence of a coordinated process of transfer from pediatric to adult health care for the majority of the patients in this study, there was a high rate of unsuccessful transfer and/or sustained follow up which is disheartening. We found that patients with less active disease at the time of transfer, as indicated by a lower AJC, were more likely to be lost to follow up. Recent literature suggests that even in the least severe categories of JIA, 50% of patients persist with active disease into adulthood. Thus educating all JIA patients about the possibility of disease flare in adulthood may improve their adherence to recommendations for sustained follow-up in the adult milieu. This may lead to improvement of longitudinal outcomes for all JIA patients.
doi:10.1186/1546-0096-8-2
PMCID: PMC2820032  PMID: 20148143
4.  Galactorrhea associated with juvenile systemic lupus erythematosus: a review of the role of prolactin 
This case report is based on the clinical observation of a patient with juvenile systemic lupus erythematosus (SLE) who developed transient galactorrhea. The subsequent literature review documented an interesting association between prolactin and rheumatic diseases and in particular, hyperprolactinemia and SLE. The discussion that follows the case report explores this relationship and proposes a hypothesis regarding why this patient with juvenile SLE developed galactorrhea.
doi:10.1186/1546-0096-7-17
PMCID: PMC2770548  PMID: 19852783
5.  Is parental coping associated with quality of life in juvenile idiopathic arthritis? 
Parents of children with a chronic condition such as juvenile arthritis must cope with greater demands than those living with a healthy child. They must adopt different behaviours in order to lessen the impact on the family structure. Parental coping refers to the parent's specific cognitive and behavioural efforts to reduce or manage a demand on the family system. The aims of this study were: to describe coping in a cohort of parents of children with JIA; to determine whether quality of life is associated with parental coping; to explore whether socio-demographic factors such as child's age, family socioeconomic status and family structure are associated with parental coping. One hundred eighty-two parents caring for a child with JIA completed a postal survey at three times over a one-year period, which included the Juvenile Arthritis Quality of Life Questionnaire (JAQQ), the Coping Health Inventory for Parents (CHIP) and questionnaires describing socio-demographic characteristics. Linear mixed models were employed to analyse the association between the child's quality of life and parental coping. Mean total QoL scores (JAQQ) showed that children experienced difficulty in completing specified activities at most just below 25% of the time and results fall off slightly following the 6 month time point. Mean parental coping scores for the CHIP subscales at baseline were 38.4 ± 9.0, 33.4 ± 11.6, 16.5 ± 6.1, for Maintaining Family Integration (maximum score 57), Maintaining Social Support (maximum score 54) and Understanding the Medical Situation (maximum score 24), respectively. Understanding the Medical Situation was deemed most useful. The child's QoL was associated with parental coping. Parents of children with greater psychosocial dysfunction used more coping behaviours related to Understanding the Medical Situation (β coefficient, 0.73; 95% CI, 0.01, 1.45). These findings underscore the importance of helping parents of children with JIA better understand their child's medical situation.
doi:10.1186/1546-0096-7-7
PMCID: PMC2662836  PMID: 19284585
6.  Association between perceived treatment adherence and health-related quality of life in children with juvenile idiopathic arthritis: perspectives of both parents and children 
Objective
The aim of the study was to examine the relationship between perceived treatment adherence and health-related quality of life (HRQOL) in children with arthritis, from both parent and child perspectives.
Methods
Patients and their parents, who attended the juvenile idiopathic arthritis (JIA) clinic at the Montreal Children's Hospital, completed the Juvenile Arthritis Quality of Life Questionnaire (JAQQ), and either the Child Adherence Report Questionnaire (CARQ) or the Parent Adherence Report Questionnaire (PARQ). Linear regression models examined the associations between perceived treatment adherence and HRQOL while adjusting for age, severity, duration of the disease, and complexity of the medical regimen.
Results
Perceived adherence to medications was associated with a better HRQOL total score from the children’s perspective (β = −0.02, 95% confidence interval [CI] = −0.03, −0.004), particularly with respect to gross motor (β = −0.03, 95% CI = −0.05, −0.01) and psychosocial functions (β = −0.03, 95% CI = −0.04, −0.01). According to parents, perceived adherence to exercises was associated with fewer symptoms (β = −0.01, 95% CI = −0.03, 0.000) and better psychosocial functioning (β = −0.01, 95% CI = −0.03, −0.002).
Conclusion
Perceived adherence to medications is associated with an improved HRQOL according to children. According to parents, adherence to exercises may be associated with an improved HRQOL.
PMCID: PMC2770382  PMID: 19920952
treatment adherence; juvenile idiopathic arthritis; health-related quality of life

Results 1-6 (6)