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van der Perk CJ, Burger P, Maaskant J, Gemke RJBJ. Parents' Experiences and Perspectives of Their Child's Sleep Quality During Hospitalization. Clin Pediatr (Phila) 2024; 63:755-763. [PMID: 37496367 PMCID: PMC11103915 DOI: 10.1177/00099228231188223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Sleep is essential for maintenance and restoration of health, yet studies exploring this in hospitalized children are scarce. In a qualitative study, we assessed the perceived quality of sleep, factors affecting sleep, and the role of health care professionals in the sleep environment for hospitalized children aged 1 to 12 years. Data were obtained from 11 semi-structured, audio-recorded, and verbatim-transcribed interviews with parents, and analyzed using a systematic thematic analysis. The interviews were coded based on iterative assessment of transcripts. Subsequently, categories and interpretative main themes were identified. Four themes emerged: (1) being informed, keeping informed; (2) coordination of care; (3) parents as main advocates for their child's sleep; and (4) environmental disturbers. Parents reported differences in their child's sleep quality during hospital compared with home. Sleep is substantially affected during hospitalization, prompting the need for interventions to improve the quality of sleep of children. Parents provided valuable suggestions for improvements.
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de Gans CJ, Burger P, van den Ende ES, Hermanides J, Nanayakkara PWB, Gemke RJBJ, Rutters F, Stenvers DJ. Sleep assessment using EEG-based wearables - A systematic review. Sleep Med Rev 2024; 76:101951. [PMID: 38754209 DOI: 10.1016/j.smrv.2024.101951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 04/26/2024] [Accepted: 05/06/2024] [Indexed: 05/18/2024]
Abstract
Polysomnography (PSG) is the reference standard of sleep measurement, but is burdensome for the participant and labor intensive. Affordable electroencephalography (EEG)-based wearables are easy to use and are gaining popularity, yet selecting the most suitable device is a challenge for clinicians and researchers. In this systematic review, we aim to provide a comprehensive overview of available EEG-based wearables to measure human sleep. For each wearable, an overview will be provided regarding validated population and reported measurement properties. A systematic search was conducted in the databases OVID MEDLINE, Embase.com and CINAHL. A machine learning algorithm (ASReview) was utilized to screen titles and abstracts for eligibility. In total, 60 papers were selected, covering 34 unique EEG-based wearables. Feasibility studies indicated good tolerance, high compliance, and success rates. The 42 included validation studies were conducted across diverse populations and showed consistently high accuracy in sleep staging detection. Therefore, the recent advancements in EEG-based wearables show great promise as alternative for PSG and for at-home sleep monitoring. Users should consider factors like user-friendliness, comfort, and costs, as these devices vary in features and pricing, impacting their suitability for individual needs.
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den Bakker E, Musters M, Hubeek I, van Wijk JAE, Gemke RJBJ, Bokenkamp A. Concordance between creatinine- and cystatin C-based eGFR in clinical practice. Scandinavian Journal of Clinical and Laboratory Investigation 2021; 81:142-146. [PMID: 33459074 DOI: 10.1080/00365513.2021.1871776] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The mean of GFR-estimates based on serum creatinine (eGFRcrea) and cystatin C (eGFRcys) has superior accuracy than each estimate alone. Recent studies have shown that agreement between eGFRcrea and eGFRcys is an indicator for the accuracy of the mean of the two estimates. As long as the difference between the two (|ΔeGFR|) is below 40%, a high P30 accuracy rate of more than 90% was documented in research settings using gold-standard GFR measurements. This was the case in approximately 80% of the measurements. The study was set out to explore |ΔeGFR| in a broader pediatric nephrological population and identify factors influencing the discrepancy between eGFRcrea and eGFRcys. We retrospectively analyzed 1596 simultaneous cystatin C and creatinine measurements in 649 unique patients at the pediatric nephrology outpatient clinic of VU university medical center. The FASage equation was used to calculate eGFRcrea, FAScys for eGFRcys. |ΔeGFR| was calculated as 100x(|eGFRcrea-eGFRcys|)/(0.5x(eGFRcrea+eGFRcys). ΔeGFR below 40% was considered high agreement. Patient characteristics like age, diagnosis, glucocorticosteroid use, eGFR, BMI and sex were analyzed for their effect on ΔeGFR below or above 40% using non-parametric tests and a potential explanation for measurements with low agreement was sought. Eighty-seven percent of the population had a |ΔeGFR| lower than 40%. Measurements with |ΔeGFR| above 40% were significantly more frequent from patients with neural tube defects. In 102 out of 208 measurements with low agreement, a potential explanation was found. In a broad pediatric nephrological population, |ΔeGFR| is below 40% in the vast majority of measurements. In this group, the mean of eGFRcrea and eGFRcys can be used as an accurate estimate of GFR.
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van Elten TM, van de Beek C, Geelen A, Gemke RJBJ, Groen H, Hoek A, Mol BW, van Poppel MNM, Roseboom TJ. Preconception Lifestyle and Cardiovascular Health in the Offspring of Overweight and Obese Women. Nutrients 2019; 11:nu11102446. [PMID: 31615021 PMCID: PMC6835651 DOI: 10.3390/nu11102446] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 01/21/2023] Open
Abstract
Women’s lifestyle has important implications for the development and health of their offspring. Yet little is known about the association between women’s preconception dietary intake and physical activity with cardiovascular health of the offspring. We therefore examined this association in a group of Dutch women with overweight or obesity (BMI ≥ 29 kg/m2) and infertility, who participated in a 6-month randomized preconception lifestyle intervention trial, and their offspring (n = 46). Preconception dietary intake and physical activity were assessed during the 6-month intervention using a food frequency questionnaire and the Short QUestionnaire to ASsess Health-enhancing physical activity (SQUASH), respectively. Offspring cardiovascular health (i.e., BMI, waist:height ratio, systolic and diastolic blood pressure, fat and fat free mass, and pulse wave velocity) was measured at age 3–6 years. Multivariable linear regression analyses were used to examine the associations between preconception lifestyle and offspring cardiovascular health. Higher preconception vegetable intake (per 10 g/day) was associated with lower offspring diastolic blood pressure (Z-score: −0.05 (−0.08; −0.01); p = 0.007) and higher preconception fruit intake (per 10 g/day) was associated with lower offspring pulse wave velocity (−0.05 m/s (−0.10; −0.01); p = 0.03). Against our expectations, higher preconception intake of sugary drinks was associated with a higher offspring fat free mass (0.54 kg (0.01; 1.07); p = 0.045). To conclude, preconception dietary intake is associated with offspring health.
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Mintjens S, Menting MD, Gemke RJBJ, van Poppel MNM, van Wely M, Bensdorp AJ, Tjon Kon Fat RI, Mol BWJ, Painter RC, van de Beek C, Roseboom TJ. The effects of intrauterine insemination and single embryo transfer or modified natural cycle in vitro fertilization on offspring's health-Follow-up of a randomized clinical trial. Eur J Obstet Gynecol Reprod Biol 2019; 242:131-138. [PMID: 31586879 DOI: 10.1016/j.ejogrb.2019.09.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 09/16/2019] [Accepted: 09/23/2019] [Indexed: 01/07/2023]
Abstract
OBJECTIVE Does ovarian hyperstimulation and/or the in vitro procedure of assisted reproduction affect neurodevelopmental and physical health of the offspring? STUDY DESIGN Infertile couples were randomly allocated to intrauterine insemination with controlled ovarian hyperstimulation (IUI-COH), modified natural cycle in vitro fertilization (IVF-MNC) or single embryo transfer IVF (IVF-SET). We compared neurodevelopmental and physical health in childhood (4-7 years). We used age-appropriate questionnaires to assess behavioral problems (Child Behavior Check List (CBCL)) and executive functioning (Behavior Rating Inventory of Executive Function (BRIEF)). We measured body mass index Z-score, waist- and hip-circumference, body fat percentage, blood pressure Z-scores, pulse wave velocity, glucose, insulin, insulin resistance, total cholesterol, high- and low-density lipoprotein cholesterol, triglycerides, and high sensitivity c-reactive protein. We compared groups by analysis of variance. RESULTS We examined 191 (57%) of the 333 children born in the study at a mean age of 5.5 years (range 4.0-7.6 years). We found no statistically significant differences between randomization groups in children's neurodevelopmental or physical health indices (all p-values > 0.05). Comparing the outcomes between actual method of conception, including a naturally conceived group, also did not show statistically significant differences. CONCLUSIONS Although this follow-up study was not powered on childhood outcomes and limited power due to attrition may have hampered detection of subtle effects, we found no indications of differences in neurodevelopmental and physical health between ovarian hyperstimulation and/or the in vitro procedure of assisted reproduction. Future trials should be powered on child outcomes, and aim to optimize follow-up rates to provide answers that are more definitive.
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Smit MP, de Hoog M, Brackel HJL, Ten Cate O, Gemke RJBJ. A National Process to Enhance the Validity of Entrustment Decisions for Dutch Pediatric Residents. J Grad Med Educ 2019; 11:158-164. [PMID: 31428274 PMCID: PMC6697299 DOI: 10.4300/jgme-d-18-01006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 04/05/2019] [Accepted: 06/04/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Postgraduate medical education (PGME) has become increasingly individualized, and entrustable professional activities (EPAs) have been adopted to operationalize this. At the same time, the process and content to determine residents' progress using high-stakes summative entrustment decisions by clinical competency committees (CCCs) is not yet well established. OBJECTIVE We evaluated the experiences with a structured process for assessment of EPAs to attain uniform summative entrustment decisions for a national sample of pediatric residents. METHODS An EPA-based national PGME program for pediatric residents was introduced in the Netherlands, including a process of uniform summative entrustment decisions, termed the Evaluation and Assessment of Residents by Supervisors (EARS) procedure. To evaluate the program, we assessed survey data and information from invitational conferences. RESULTS Beginning in January 2017, 125 pediatric residents in all 8 Dutch residency regions started training in the EARS program. The program enabled robust summative entrustment decisions. Preliminary data suggested that faculty, despite increased preparation time, appreciated the comprehensive appraisal of resident qualifications. The EPA-based program was well accepted by residents. Fifty-one percent (57 of 112) had at least 2 EARS procedures per year, and for 75% (84 of 112) the level of supervision was often or always adjusted to their level of training. CONCLUSIONS A national EPA-based program provided a structured process for summative entrustment decisions by CCCs and enabled individualized stepwise progression of residents toward unsupervised practice. Broader application of these concepts may require adaptations to accommodate different health care systems and specialties.
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Mintjens S, Menting MD, Daams JG, van Poppel MNM, Roseboom TJ, Gemke RJBJ. Cardiorespiratory Fitness in Childhood and Adolescence Affects Future Cardiovascular Risk Factors: A Systematic Review of Longitudinal Studies. Sports Med 2019; 48:2577-2605. [PMID: 30144022 PMCID: PMC6182463 DOI: 10.1007/s40279-018-0974-5] [Citation(s) in RCA: 165] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Although cardiorespiratory fitness (CRF) in childhood and adolescence may be linked to future cardiovascular health, there is currently limited evidence for a longitudinal association. OBJECTIVES To provide a systematic review on the prospective association between CRF in childhood and adolescence and cardiovascular disease (CVD) risk factors at least 2 years later. METHODS Using a systematic search of Medline, Embase, and SPORTDiscus, relevant articles were identified by the following criteria: generally healthy children and adolescents between 3 and 18 years of age with CRF assessed at baseline, and a follow-up period of ≥ 2 years. The outcome measures were CVD risk factors. We appraised quality of the included articles with STROBE and QUIPS checklists. RESULTS After screening 7524 titles and abstracts, we included 38 articles, assessing 44,169 children and adolescents followed up for a median of 6 years. Eleven articles were of high quality. There was considerable heterogeneity in methodology, measurement of CRF, and outcomes, which hampered meta-analysis. In approximately half of the included articles higher CRF in childhood and adolescence was associated with lower body mass index (BMI), waist circumference, body fatness and lower prevalence of metabolic syndrome in later life. No associations between CRF in childhood and adolescence and future waist-to-hip ratio, blood pressure, lipid profile, and glucose homeostasis were observed. CONCLUSION Although about half of the included articles reported inverse associations between CRF in childhood and adolescence and future BMI, body fatness, and metabolic syndrome, evidence for other CVD risk factors was unconvincing. Many articles did not account for important confounding factors such as adiposity. Recommendations for future research include standardizing the measurement of CRF, i.e. by reporting VO2max, using standardized outcome assessments, and performing individual patient data meta-analyses.
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van Elten TM, Karsten MDA, Geelen A, Gemke RJBJ, Groen H, Hoek A, van Poppel MNM, Roseboom TJ. Preconception lifestyle intervention reduces long term energy intake in women with obesity and infertility: a randomised controlled trial. Int J Behav Nutr Phys Act 2019; 16:3. [PMID: 30621789 PMCID: PMC6325811 DOI: 10.1186/s12966-018-0761-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 12/05/2018] [Indexed: 12/16/2022] Open
Abstract
Background The preconceptional period may be an optimal window of opportunity to improve lifestyle. We previously showed that a 6 month preconception lifestyle intervention among women with obesity and infertility was successful in decreasing the intake of high caloric snacks and beverages, increasing physical activity and in reducing weight in the short term. We now report the effects of the preconception lifestyle intervention on diet, physical activity and body mass index (BMI) at 5.5 years (range = 3.7–7.0 years) after the intervention. Methods We followed women who participated in the LIFEstyle study, a multicentre RCT in which women with obesity and infertility were assigned to a six-month lifestyle intervention program or prompt infertility treatment (N = 577). Diet and physical activity 5.5 years later were assessed with an 173-item food frequency questionnaire (N = 175) and Actigraph triaxial accelerometers (N = 155), respectively. BMI was calculated from self-reported weight and previously measured height (N = 179). Dietary intake, physical activity, and BMI in the intervention and control group were compared using multivariate regression models. Additionally, dietary intake, physical activity and BMI of women allocated to the intervention arm with successful weight loss during the intervention (i.e. BMI < 29 kg/m2 or ≥ 5% weight loss), unsuccessful weight loss and the control group were compared with ANCOVA. Results Although BMI did not differ between the intervention and control group 5.5 years after the intervention (− 0.5 kg/m2 [− 2.0;1.1]; P = 0.56), the intervention group did report a lower energy intake (− 216 kcal/day [− 417;-16]; P = 0.04). Women in the intervention arm who successfully lost weight during the intervention had a significantly lower BMI at follow-up compared to women in the intervention arm who did not lose weight successfully (− 3.4 kg/m2 [− 6.3;-0.6]; P = 0.01), and they reported a significantly lower energy intake compared to the control group (− 301 kcal [− 589;-14]; P = 0.04). Macronutrient intake, diet quality, and physical activity did not differ between the intervention and control group, irrespective of successful weight loss during the intervention. Conclusions In our study population, a preconception lifestyle intervention led to reduced energy intake 5.5 years later. Additionally, women allocated to the intervention group who were successful in losing weight during the intervention also had a lower BMI at follow-up. This shows the potential sustainable effect of a preconception lifestyle intervention. Trial registration This trial was registered on 16 November 2008 in the Dutch trial register; clinical trial registry number NTR1530. Electronic supplementary material The online version of this article (10.1186/s12966-018-0761-6) contains supplementary material, which is available to authorized users.
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Mintjens S, Gemke RJBJ, van Poppel MNM, Vrijkotte TGM, Roseboom TJ, van Deutekom AW. Maternal Prepregnancy Overweight and Obesity Are Associated with Reduced Physical Fitness But Do Not Affect Physical Activity in Childhood: The Amsterdam Born Children and Their Development Study. Child Obes 2019; 15:31-39. [PMID: 30280927 DOI: 10.1089/chi.2018.0171] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Maternal overweight/obesity during pregnancy increases offspring's risks of obesity and cardiovascular disease (CVD). A possible pathway is by reduced physical fitness and physical activity (PA) levels in children of overweight/obese mother. We assessed whether maternal prepregnancy overweight/obesity independently determines cardiorespiratory fitness (CRF), muscular strength, moderate-to-vigorous physical activity (MVPA), and sedentary behavior (SB) in 8- to 9-year-old children. We also assessed whether child's fat mass (FM) mediates these associations. METHODS One hundred ninety-four children of Dutch ethnicity aged 8.6 (± 0.4) years were randomly selected from a prospective birth cohort, the Amsterdam Born Children and their Development (ABCD) study. CRF was assessed by the 20-m multistage shuttle run test (20-m MSRT), muscular strength by hand dynamometry, and MVPA and SB by accelerometry. The association of prepregnancy body mass index (BMI) ≥ 25 kg/m2 with these outcome measures was assessed by multivariable linear regressions. RESULTS Mean (± standard deviation) attained 20-m MSRT stage was 5.3 (± 1.7). Compared with children from normal weight women, children of women with prepregnancy overweight/obesity attained a 0.80 (95% confidence interval: 0.15-1.50) lower stage, adjusted for child's sex and MVPA. This association was not mediated by birthweight or child's FM at age 5 years. Maternal prepregnancy overweight/obesity was not associated with child's muscular strength, MVPA, or SB. CONCLUSIONS Maternal prepregnancy overweight/obesity was associated with reduced childhood CRF, but not with muscular strength, PA, or SB. Birthweight and FM at age 5 years did not mediate this association. Reduced CRF may partly explain the increased CVD risk in children of overweight/obese women.
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Mintjens S, Menting MD, Daams JG, van Poppel MNM, Roseboom TJ, Gemke RJBJ. Reply to Tarp et al.: Comment on: "Cardiorespiratory Fitness in Childhood and Adolescence Affects Future Cardiovascular Risk Factors: A Systematic Review of Longitudinal Studies". Sports Med 2018; 49:163-165. [PMID: 30593651 DOI: 10.1007/s40279-018-01042-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Van Elten TM, Van Poppel MNM, Gemke RJBJ, Groen H, Hoek A, Mol BW, Roseboom TJ. Cardiometabolic Health in Relation to Lifestyle and Body Weight Changes 3⁻8 Years Earlier. Nutrients 2018; 10:E1953. [PMID: 30544716 PMCID: PMC6315733 DOI: 10.3390/nu10121953] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/09/2018] [Accepted: 11/26/2018] [Indexed: 01/28/2023] Open
Abstract
The degree to which individuals change their lifestyle in response to interventions differs and this variation could affect cardiometabolic health. We examined if changes in dietary intake, physical activity and weight of obese infertile women during the first six months of the LIFEstyle trial were associated with cardiometabolic health 3⁻8 years later (N = 50⁻78). Lifestyle was assessed using questionnaires and weight was measured at baseline, 3 and 6 months after randomization. BMI, blood pressure, body composition, pulse wave velocity, glycemic parameters and lipid profile were assessed 3⁻8 years after randomization. Decreases in savory and sweet snack intake were associated with lower HOMA-IR 3⁻8 years later, but these associations disappeared after adjustment for current lifestyle. No other associations between changes in lifestyle or body weight during the first six months after randomization with cardiovascular health 3⁻8 years later were observed. In conclusion, reductions in snack intake were associated with reduced insulin resistance 3⁻8 years later, but adjustment for current lifestyle reduced these associations. This indicates that changing lifestyle is an important first step, but maintaining this change is needed for improving cardiometabolic health in the long-term.
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van Elten TM, Karsten MDA, Geelen A, van Oers AM, van Poppel MNM, Groen H, Gemke RJBJ, Mol BW, Mutsaerts MAQ, Roseboom TJ, Hoek A. Effects of a preconception lifestyle intervention in obese infertile women on diet and physical activity; A secondary analysis of a randomized controlled trial. PLoS One 2018; 13:e0206888. [PMID: 30403756 PMCID: PMC6221548 DOI: 10.1371/journal.pone.0206888] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 10/18/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Lifestyle changes are notoriously difficult. Since women who intend to become pregnant are more susceptible to lifestyle advice, interventions during this time window might be more effective than interventions during any other period in life. We here report the effects of the first large preconception lifestyle intervention RCT on diet and physical activity in obese infertile women. METHODS In total, 577 women were randomized between a six-month lifestyle intervention program (intervention group; N = 290) or prompt infertility treatment (control group; N = 287). Self-reported dietary behaviors and physical activity were assessed at baseline, three, six and twelve months after randomization. Mixed models were used to analyze differences between groups. RESULTS Compared to the control group, the intervention group reduced their intake of sugary drinks at three months (-0.5 glasses/day [95% C.I. = -0.9;-0.2]), of savory snacks at three (-2.4 handful/week [-3.4;-1.4]) and at six months (-1.4 handful/week [-2.6;-0.2]), and of sweet snacks at three (-2.2 portion/week [-3.3;-1.0]) and twelve months after randomization (-1.9 portion/week [-3.5;-0.4]). Also, the intervention group was more moderate to vigorous physically active at three months after randomization compared to the control group (169.0 minutes/week [6.0; 332.1]). CONCLUSION Our study showed that obese infertile women who followed a six-month preconception lifestyle intervention program decreased their intake of high caloric snacks and beverages, and increased their physical activity. These changes in lifestyle may not only improve women's health but their offspring's health too.
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Hamilton EMC, van der Lei HDW, Vermeulen G, Gerver JAM, Lourenço CM, Naidu S, Mierzewska H, Gemke RJBJ, de Vet HCW, Uitdehaag BMJ, Lissenberg-Witte BI, van der Knaap MS. Natural History of Vanishing White Matter. Ann Neurol 2018; 84:274-288. [PMID: 30014503 PMCID: PMC6175238 DOI: 10.1002/ana.25287] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 07/02/2018] [Accepted: 07/02/2018] [Indexed: 01/24/2023]
Abstract
OBJECTIVE To comprehensively describe the natural history of vanishing white matter (VWM), aiming at improving counseling of patients/families and providing natural history data for future therapeutic trials. METHODS We performed a longitudinal multicenter study among 296 genetically confirmed VWM patients. Clinical information was obtained via disease-specific clinical questionnaire, Health Utilities Index and Guy's Neurological Disability Scale assessments, and chart review. RESULTS First disease signs occurred at a median age of 3 years (mode = 2 years, range = before birth to 54 years); 60% of patients were symptomatic before the age of 4 years. The nature of the first signs varied for different ages of onset. Overall, motor problems were the most common presenting sign, especially in children. Adolescent and adult onset patients were more likely to exhibit cognitive problems early after disease onset. One hundred two patients were deceased. Multivariate Cox regression analysis revealed a positive relation between age at onset and both preservation of ambulation and survival. Absence of stress-provoked episodes and absence of seizures predicted more favorable outcome. In patients with onset before 4 years, earlier onset was associated with more severe disability and higher mortality. For onset from 4 years on, disease course was generally milder, with a wide variation in severity. There were no significant differences for sex or for the 5 eIF2B gene groups. The results confirm the presence of a genotype-phenotype correlation. INTERPRETATION The VWM disease spectrum consists of a continuum with extremely wide variability. Age at onset is a strong predictor for disease course. Ann Neurol 2018;84:274-288.
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den Bakker E, Gemke RJBJ, Bökenkamp A. Endogenous markers for kidney function in children: a review. Crit Rev Clin Lab Sci 2018; 55:163-183. [DOI: 10.1080/10408363.2018.1427041] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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van de Beek C, Hoek A, Painter RC, Gemke RJBJ, van Poppel MNM, Geelen A, Groen H, Willem Mol B, Roseboom TJ. Women, their Offspring and iMproving lifestyle for Better cardiovascular health of both (WOMB project): a protocol of the follow-up of a multicentre randomised controlled trial. BMJ Open 2018; 8:e016579. [PMID: 29371262 PMCID: PMC5786127 DOI: 10.1136/bmjopen-2017-016579] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Women, their Offspring and iMproving lifestyle for Better cardiovascular health of both (WOMB) project is the follow-up of the LIFEstyle study, a randomised controlled trial in obese infertile women, and investigates the effects of a preconception lifestyle intervention on later health of women (WOMB women) and their children (WOMB kids). METHODS AND ANALYSIS Obese infertile women, aged between 18 and 39 years, were recruited in 23 Dutch fertility clinics between June 2009 and June 2012. The 284 women allocated to the intervention group received a 6-month structured lifestyle programme. The 280 women in the control group received infertility care as usual. 4 to 7 years after inclusion in the trial, all women (n=564) and children conceived during the trial (24 months after randomisation) (n=305 singletons and age 3-5 years) will be approached to participate in this follow-up study (starting in 2015). The main focus of outcome will be cardiovascular health, but the dataset comprises a wide range of physical and mental health measures, diet and physical activity measures, child growth and development measures, biological samples and genetic and epigenetic information. The follow-up assessment consists of three stages that take place between 2016 and 2018, and includes (online) questionnaires, accelerometry and physical and behavioural measurements in a mobile research vehicle. A subsample of 100 women and 100 children are planned for cardiac ultrasound measurements. ETHICS AND DISSEMINATION The protocol of this follow-up study is approved by the local medical ethics committee (University Medical Centre Groningen). Study findings of the WOMB project will be widely disseminated to the scientific community, healthcare professionals, policy makers, future parents and general public. TRIAL REGISTRATION NUMBER The original LIFEstyle study is registered at The Netherlands Trial Registry (number 1530).
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van Deutekom AW, Chinapaw MJM, Jansma EP, Vrijkotte TGM, Gemke RJBJ. The Association of Birth Weight and Infant Growth with Energy Balance-Related Behavior - A Systematic Review and Best-Evidence Synthesis of Human Studies. PLoS One 2017; 12:e0168186. [PMID: 28081150 PMCID: PMC5232347 DOI: 10.1371/journal.pone.0168186] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 11/28/2016] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Suboptimal prenatal and early postnatal growths are associated with obesity in later life, but the underlying mechanisms are unknown. The aim of this study was to systematically review the literature that reports on the longitudinal association of (i) birth size or (ii) infant growth with later (i) energy intake, (ii) eating behaviors, (iii) physical activity or (iv) sedentary behavior in humans. METHODS A comprehensive search of MEDLINE, EMBASE, PsycINFO and The Cochrane Library was conducted to identify relevant publications. We appraised the methodological quality of the studies and synthesized the extracted data through a best-evidence synthesis. RESULTS Data from 41 publications were included. The quality of the studies was high in three papers, moderate in 11 and low in the large majority (n = 27) of papers appraised. Our best-evidence synthesis indicates that there is no evidence for an association of birth weight with later energy intake, eating behavior, physical activity or sedentary behavior. We found moderate evidence for an association of extreme birth weights (at both ends of the spectrum) with lower physical activity levels at a later age. Evidence for the association of infant growth with energy balance-related behavior was generally insufficient. CONCLUSIONS We conclude that current evidence does not support an association of early-life growth with energy balance-related behaviors in later life, except for an association of extreme birth weights with later physical activity.
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de Beer M, Vrijkotte TGM, Fall CHD, van Eijsden M, Osmond C, Gemke RJBJ. Correction: Associations of Infant Feeding and Timing of Weight Gain and Linear Growth during Early Life with Childhood Blood Pressure: Findings from a Prospective Population Based Cohort Study. PLoS One 2016; 11:e0168920. [PMID: 27992607 PMCID: PMC5167422 DOI: 10.1371/journal.pone.0168920] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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de Beer M, Vrijkotte TGM, Fall CHD, van Eijsden M, Osmond C, Gemke RJBJ. Associations of Infant Feeding and Timing of Weight Gain and Linear Growth during Early Life with Childhood Blood Pressure: Findings from a Prospective Population Based Cohort Study. PLoS One 2016; 11:e0166281. [PMID: 27832113 PMCID: PMC5104398 DOI: 10.1371/journal.pone.0166281] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 10/26/2016] [Indexed: 11/28/2022] Open
Abstract
Objective Small birth size and rapid postnatal growth have been associated with higher future blood pressure. The timing of these effects, the relative importance of weight gain and linear growth and the role of infant feeding need to be clarified. Methods We assessed how blood pressure relates to birth weight, infant and childhood growth and infant feeding (duration of exclusive breastfeeding and timing of introduction of complementary feeding) in 2227 children aged 5 years from a prospective cohort study (Amsterdam Born Children and their Development). Postnatal growth was represented by statistically independent measures of relative weight gain (weight gain independent of height) and linear growth in four age periods during infancy (0–1 month; 1–3 months; 3–6 months; 6–12 months) and from 12 months to 5 years. Results Lower birth weight was associated with higher childhood diastolic blood pressure (-0.38 mm Hg.SD-1; P = 0.007). Faster relative weight gain and linear growth after 1 month were positively associated with systolic and diastolic blood pressure. Associations of linear growth with systolic blood pressure ranged from 0.47 to 1.49 mm Hg.SD-1; P<0.01 for all. Coefficients were similar for different periods of infancy and also for relative weight gain and linear growth. Compared to breastfeeding <1 month, breastfeeding >1 month was associated with lower blood pressure (e.g. >6 months -1.56 mm Hg systolic blood pressure; P<0.001). Compared to >6 months, introduction of complementary feeding <6 months was associated with higher blood pressure (e.g. 4–6 months 0.91 mm Hg systolic blood pressure; P = 0.004). Conclusions After the age of one month faster growth in either weight or height is associated with higher childhood blood pressure. It is unknown whether faster weight gain and linear growth carry the same risk for adult hypertension and cardiovascular morbidity. Longer breastfeeding and delayed introduction of complementary feeding may be associated with lower adult blood pressure.
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Sint Nicolaas SM, Hoogerbrugge PM, van den Bergh EMM, Custers JAE, Gameiro S, Gemke RJBJ, Verhaak CM. Predicting trajectories of behavioral adjustment in children diagnosed with acute lymphoblastic leukemia. Support Care Cancer 2016; 24:4503-13. [PMID: 27296238 PMCID: PMC5031747 DOI: 10.1007/s00520-016-3289-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 05/30/2016] [Indexed: 11/22/2022]
Abstract
Purpose Previous research showed that children with cancer are at risk for developing behavioral adjustment problems after successful treatment; however, the course of adjustment remains unclear. This study focuses on adjustment trajectories of children during treatment for acute lymphoblastic leukemia (ALL) and aims to distinguish subgroups of patients showing different trajectories during active treatment, and to identify sociodemographic, medical, and psychosocial predictors of the distinct adjustment trajectories. Methods In a multicenter longitudinal study, 108 parents of a child (response rate 80 %) diagnosed with ALL were assessed during induction treatment (T0), after induction/consolidation treatment (T1), and after end of treatment (T2). Trajectories of child behavioral adjustment (Child Behavior Checklist; CBCL) were tested with latent class growth modeling (LCGM) analyses. Results For internalizing behavior, a three-trajectory model was found: a group that experienced no problems (60 %), a group that experienced only initial problems (30 %), and a group that experienced chronic problems (10 %). For externalizing behavior, a three-trajectory model was also found: a group that experienced no problems (83 %), a group that experienced chronic problems (12 %), and a group that experienced increasing problems (5 %). Only parenting stress and baseline QoL (cancer related) were found to contribute uniquely to adjustment trajectories. Conclusions The majority of the children (77 %) showed no or transient behavioral problems during the entire treatment as reported by parents. A substantial group (23 %) shows maladaptive trajectories of internalizing behavioral problems and/or externalizing behavioral problems. Screening for risk factors for developing problems might be helpful in early identification of these children. Electronic supplementary material The online version of this article (doi:10.1007/s00520-016-3289-9) contains supplementary material, which is available to authorized users.
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van Deutekom AW, Chinapaw MJM, Vrijkotte TGM, Gemke RJBJ. The association of birth weight and postnatal growth with energy intake and eating behavior at 5 years of age - a birth cohort study. Int J Behav Nutr Phys Act 2016; 13:15. [PMID: 26847088 PMCID: PMC4743237 DOI: 10.1186/s12966-016-0335-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 01/26/2016] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Low and high birth weight and accelerated postnatal weight gain are associated with an increased risk of obesity. Perinatal effects on energy intake and eating behavior have been proposed as underlying mechanisms. This study aimed to examine the independent associations of birth weight and postnatal weight and height gain with childhood energy intake and satiety response. METHODS In a birth cohort study, we used data from 2227 children (52% male), mean age 5.6 (±0.4) years. Mean daily energy intake and satiety response were parent-reported through validated questionnaires. Exposures were birth weight z-score and conditional weight and height gain between 0-1, 1-3, 3-6, 6-12 months and 12 months to 5 years. Conditional weight and height are residuals of current weight and height regressed on prior growth data, to represent deviations from expected growth. Analyses were adjusted for a set of potential confounding variables. RESULTS Conditional weight gain between 1-3, 3-6 months and 12 months to 5 years was significantly associated with energy intake, with 29.7 (95%-CI: 4.6; 54.8), 24.0 (1.8; 46.1) and 79.5 (29.4; 129.7) kcal/day more intake for each Z-score conditional weight gain between 1-3, 3-6 months and 12 months to 5 years, respectively. Conditional height gain between 0-1, 1-3 months and 12 months to 5 years was negatively associated with energy intake (β: -42.0 [66.6; -17.4] for 0-1 months, -35.1 [-58.4; -11.8] for 1-3 months and -37.4 [-72.4; -2.3] for 12 months to 5 years). Conditional weight gain in all periods was negatively associated with satiety response, with effect sizes from - 0.03 (-0.06; -0.002) in early infancy to -0.12 (-0.19; -0.06) in childhood. Birth weight was not associated with energy intake or satiety response. CONCLUSIONS Our findings suggest that accelerated infant and childhood weight gain are associated with increased energy intake and diminished satiety response at 5 years. Accelerated height gain seems to be beneficial for childhood energy intake. This perinatal 'programming' of energy intake and eating behavior provide a potential mechanism linking early life influences with later obesity and cardiovascular disease.
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Gordijn MS, Rensen N, Gemke RJBJ, van Dalen EC, Rotteveel J, Kaspers GJL. Hypothalamic-pituitary-adrenal (HPA) axis suppression after treatment with glucocorticoid therapy for childhood acute lymphoblastic leukaemia. Cochrane Database Syst Rev 2015:CD008727. [PMID: 26282194 DOI: 10.1002/14651858.cd008727.pub3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Glucocorticoids play a major role in the treatment of acute lymphoblastic leukaemia (ALL). However, supraphysiological doses can suppress the hypothalamic-pituitary-adrenal (HPA) axis. HPA axis suppression resulting in reduced cortisol response may cause an impaired stress response and an inadequate host defence against infections, which remains a cause of morbidity and death. Suppression commonly occurs in the first days after cessation of glucocorticoid therapy, but the exact duration is unclear. This review is an update of a previously published Cochrane review. OBJECTIVES To examine the occurrence and duration of HPA axis suppression after (each cycle of) glucocorticoid therapy for childhood ALL. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL; Issue 6, 2014), MEDLINE/PubMed (from 1945 to June 2014), and EMBASE/Ovid (from 1980 to June 2014). In addition, we searched reference lists of relevant articles, conference proceedings (the International Society for Paediatric Oncology and the American Society of Clinical Oncology from 2005 to 2013), and ongoing trial databases (the ISRCTN register and the NIH register via http://www.controlled-trials.com in June 2014). SELECTION CRITERIA All study designs, except case reports and patient series with fewer than 10 children, examining the effect of glucocorticoid therapy for childhood ALL on the HPA axis function. DATA COLLECTION AND ANALYSIS Two review authors independently performed the study selection. One review author performed the data extraction and 'Risk of bias' assessment, which another review author checked. MAIN RESULTS We identified eight studies (total of 218 children), including two randomised controlled trials (RCTs), that assessed the adrenal function. None of the studies assessed the HPA axis at the level of the hypothalamus, pituitary, or both. Due to substantial differences between studies, we could not pool results. All of the studies had some methodological limitations. The included studies demonstrated that adrenal insufficiency occurs in nearly all children in the first days after cessation of glucocorticoid treatment for childhood ALL. The majority of children recovered within a few weeks, but a small number of children had ongoing adrenal insufficiency lasting up to 34 weeks. In the RCTs, the occurrence and duration of adrenal insufficiency did not differ between the prednisone and dexamethasone arms. In one study, it appeared that treatment with fluconazole prolonged the duration of adrenal insufficiency. Furthermore, one of the studies evaluated the presence of infections or stress episodes, or both as a risk factor for adrenal insufficiency. The authors found no relationship between the presence of infection/stress and adrenal insufficiency. AUTHORS' CONCLUSIONS We concluded that adrenal insufficiency commonly occurs in the first days after cessation of glucocorticoid therapy for childhood ALL, but the exact duration is unclear. Since no data on the level of the hypothalamus and the pituitary were available, we cannot make any conclusions regarding those outcomes. Clinicians should consider prescribing glucocorticoid replacement therapy during periods of serious stress in the first weeks after cessation of glucocorticoid therapy for childhood ALL to reduce the risk of life-threatening complications. However, more high-quality research is needed for evidence-based guidelines for glucocorticoid replacement therapy.Special attention should be paid to patients receiving fluconazole therapy, and perhaps similar antifungal drugs, as this may prolong the duration of adrenal insufficiency.Finally, it would be relevant to further investigate the relationship between present infection/stress and adrenal insufficiency in a larger, separate study specially designed for this purpose.
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de Beer M, Vrijkotte TGM, Fall CHD, van Eijsden M, Osmond C, Gemke RJBJ. Associations of infant feeding and timing of linear growth and relative weight gain during early life with childhood body composition. Int J Obes (Lond) 2014; 39:586-92. [PMID: 25435256 DOI: 10.1038/ijo.2014.200] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 08/05/2014] [Accepted: 10/14/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND Growth and feeding during infancy have been associated with later life body mass index. However, the associations of infant feeding, linear growth and weight gain relative to linear growth with separate components of body composition remain unclear. METHODS Of 5551 children with collected growth and infant-feeding data in a prospective cohort study (Amsterdam Born Children and their Development), body composition measured using bioelectrical impedance analysis at the age of 5-6 years was available for 2227 children. We assessed how feeding (duration of full breastfeeding and timing of introduction of complementary feeding) and conditional variables representing linear growth and relative weight gain were associated with childhood fat-free mass (FFM) and fat mass (FM). RESULTS Birth weight was positively associated with both FFM and FM in childhood, and more strongly with FFM than FM. Faster linear growth and faster relative weight gain at all ages in infancy were positively associated with childhood FFM and FM. The associations with FM were stronger for relative weight gain than for linear growth (FM z score: β coefficient 0.23 (95% con 0.19 to 0.26), P<0.001 and 0.14 (0.11 to 0.17), P<0.001 per s.d. change in relative weight gain and linear growth between 1 and 3 months, respectively). Compared with full breastfeeding <1 month, full breastfeeding >6 months was associated with lower FM (FM z score: -0.17 (-0.28 to -0.05), P=0.005) and lower FFM (FFM z score: -0.13 (-0.23 to -0.03), P=0.015), as was the introduction of complementary feeding >6 months (FM z score: -0.22 (-0.38 to -0.07), P=0.004), compared with <4 months. CONCLUSIONS Faster infant weight gain is associated with a healthier childhood body composition when it is caused by faster linear growth. Full breastfeeding >6 months and introduction of complementary feeding >6 months are associated with lower childhood FM.
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de Groot-van der Mooren MD, Gemke RJBJ, Cornel MC, Weijerman ME. Neonatal diagnosis of Down syndrome in The Netherlands: suspicion and communication with parents. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2014; 58:953-961. [PMID: 24628769 DOI: 10.1111/jir.12125] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/24/2014] [Indexed: 06/03/2023]
Abstract
OBJECTIVES To analyse which dysmorphic features are most recognised in newborns with Down syndrome (DS). Furthermore to evaluate the communication techniques used by clinicians to inform parents about the postnatal diagnosis and compare these to current best practice guidelines. STUDY DESIGN Prospective study of a birth cohort of newborns with DS born between 1 January 2003 and 31 December 2006 registered by the Dutch Paediatric Surveillance Unit (DPSU). RESULTS A total of 586 children with trisomy 21 were analysed. Most recognised dysmorphic features in DS newborns were 'upslanted palpebral fissures' (74.1%; n = 426), 'hypotonia' (73.7%; n = 424) and 'epicanthic folds' (68.5%; n = 394). The majority of parents were informed about the suspected diagnosis on the day of birth (76.5%; n = 390). Hospital deliveries had a significantly earlier suspected diagnosis (mean age 3-4 days) compared with home deliveries (mean age 7 days) (P < 0.05). In 10% (n = 44), paediatricians described dissatisfaction with the first conversation with parents. In 88.9% (n = 499) parents were both present when the diagnosis was told, however the child was not present during the conversation in 51.3% (n = 288). In 10.8% (n = 61) parents were not informed about local parent support groups or community resources. CONCLUSION DS is still often diagnosed after birth, usually on the first day of postnatal life. Most identified clinical features were upslanted palpebral fissures, epicanthic folds and hypotonia. Special attention for recognition of all present clinical features is needed for early diagnosis. Appropriate communication with the parents of the message that their child has DS can be difficult. Guidelines can help to make counselling easier and more effective, which in turn may increase parental satisfaction. Not all recommendations for the first conversation with parents were fully implemented in Dutch clinical practice.
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van Litsenburg RRL, Huisman J, Pieters R, Verhaak C, Kaspers GJL, Gemke RJBJ. Determinants of quality of life during induction therapy in pediatric acute lymphoblastic leukemia. Support Care Cancer 2014; 22:3235-42. [PMID: 25011520 DOI: 10.1007/s00520-014-2349-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Accepted: 06/29/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE Improvement in survival of pediatric acute lymphoblastic leukemia (ALL) has increased the attention to quality of life (QoL) . QoL is impaired during maintenance treatment, but little is known about QoL during induction therapy. Identification of patients with poor QoL during induction will provide opportunities for early interventions, and may subsequently improve future QoL. This national multi-center study aimed to assess QoL and its determinants during ALL induction treatment. METHODS Proxy reports of the Child Health Questionnaire (CHQ) and the PedsQL cancer version were collected. Child, treatment, and parental characteristics were analyzed as potential determinants in a multiple regression model. RESULTS One hundred thirty parents of children participated (response rate 82 %), median child age was 5.7 years and 48 % were female. QoL, as measured with the CHQ, was significantly lower than the norm, the effect sizes were large, and the differences were clinically relevant. Physical QoL was more often affected than psychosocial QoL. Regression models could be constructed for 4/ 10 CHQ scales and 6/ 8 PedsQL cancer scales, accounting for 7 to 36 % of the variance in scores. Impaired QoL was most often associated with older children, girls, and time since diagnosis. Also, father respondents seem to have a lower QoL perception compared to mother respondents although this needs to be confirmed in future research. CONCLUSIONS Specific counseling for subsets of patients with a higher risk of low QoL during the early phases of therapy is warranted.
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de Ruiter RD, Gordijn MS, Gemke RJBJ, van den Bos C, Bierings MB, Rotteveel J, Koper JW, van Rossum EFC, Kaspers GL. Adrenal insufficiency during treatment for childhood acute lymphoblastic leukemia is associated with glucocorticoid receptor polymorphisms ER22/23EK and BclI. Haematologica 2014; 99:e136-7. [PMID: 24816241 DOI: 10.3324/haematol.2014.105056] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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