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1.
J Asthma Allergy ; 13: 67-75, 2020.
Article in English | MEDLINE | ID: mdl-32099412

ABSTRACT

BACKGROUND: Uncontrolled asthma in children is still highly prevalent despite the availability of effective asthma treatment. We investigated 1) the prevalence of uncontrolled asthma among children referred for asthma and referred for atopic diseases other than asthma (ie food allergy, allergic rhinitis or atopic dermatitis) to secondary care; and 2) the predictors associated with uncontrolled asthma. METHODS: All children (4 to 18 years) referred for asthma or atopic diseases other than asthma to 8 secondary care centers in The Netherlands were invited to an electronic portal (EP). The EP is a web-based application with several validated questionnaires including the ISAAC questionnaires and the Asthma Control Test (ACT). Children were eligible for inclusion in this study when their parents reported in the EP that their child had asthma diagnosed by a physician. The ACT was used to assess asthma control. Multiple predictors of asthma control (patient, asthma and atopic characteristics) were evaluated by univariable and multivariable logistic regression analyses. RESULTS: We included 408 children: 259 children (63%) with asthma referred for asthma and 149 children (37%) with asthma referred for atopic diseases other than asthma. Thirty-nine percent of all children had uncontrolled asthma: 47% of the children referred for asthma and 26% of the children referred for atopic diseases other than asthma. Predictors associated with uncontrolled asthma were a family history of asthma (odds ratio [OR] 2.08; 95% confidence interval [95% CI] 1.34 to 3.24), and recurrent upper and lower respiratory tract infections in the past year (OR 2.40; 95% CI 1.52 to 3.81 and OR 2.00; 95% CI 1.25 to 3.23, respectively). CONCLUSION: Uncontrolled asthma is highly prevalent in children with asthma referred to secondary care, even if children are primarily referred for atopic diseases other than asthma. Thus, attention should be paid to asthma control in this population.

2.
Clin Microbiol Infect ; 20(6): 545-50, 2014 Jun.
Article in English | MEDLINE | ID: mdl-24131443

ABSTRACT

The performance of a multiplex real-time PCR for the detection of Blastocystis, Dientamoeba fragilis, Giardia lamblia, Cryptosporidium species and Entamoeba species in faecal samples was evaluated in an observational prospective study. Paediatric patients (0-18 years) presenting with gastrointestinal symptoms and suspected of having enteroparasitic disease were included. A questionnaire on gastrointestinal symptoms and the chosen treatment was completed at the start of the study and after 6 weeks. Of 163 paediatric patients (mean age, 7.8 years), 114 (70%) had a PCR-positive faecal sample. D. fragilis was detected most frequently, in 101 patients, followed by Blastocystis in 49. In faecal samples of 47 patients, more than one protozoan was detected, mainly the combination of D. fragilis and Blastocystis. Reported gastrointestinal symptoms were abdominal pain (78%), nausea (30%), and altered bowel habits (28%). Eighty-nine of the PCR-positive patients were treated with antibiotics. A significant reduction in abdominal pain was observed both in treated and in untreated patients. This study demonstrated that multiplex real-time PCR detects a high percentage of intestinal protozoa in paediatric patients with gastrointestinal symptoms. However, interpretation and determination of the clinical relevance of a positive PCR result in this population are still difficult.


Subject(s)
Feces/parasitology , Intestinal Diseases, Parasitic/diagnosis , Molecular Diagnostic Techniques/methods , Multiplex Polymerase Chain Reaction/methods , Parasites/classification , Parasites/isolation & purification , Real-Time Polymerase Chain Reaction/methods , Adolescent , Animals , Child , Child, Preschool , Female , Humans , Infant , Infant, Newborn , Intestinal Diseases, Parasitic/parasitology , Male , Parasites/genetics , Parasitology/methods
4.
Pediatr Pulmonol ; 29(1): 39-42, 2000 Jan.
Article in English | MEDLINE | ID: mdl-10613785

ABSTRACT

The aim of this study was to evaluate the effect of instructions to children with asthma (given by general practitioners or by pharmacy assistants) on how to inhale from metered dose inhalers with spacers (MDI/s) or dry powder inhalers (DPI). We scored inhalation technique of asthmatic children according to criteria defined by the Netherlands Asthma Foundation, and related the performance to the inhalation instructions given. For each inhaler, a number of steps were considered essential for reliable drug delivery. Patients newly referred for asthma were asked to demonstrate their inhalation technique and to fill out a questionnaire on the inhalation instruction received prior to referral. Children participating in a clinical trial, who had received repeated comprehensive inhalation instructions, served as a control group. Sixty-six newly referred patients (1-14 years of age, median age 5 years; 37 boys) and 29 control patients (5-10 years of age, median age 7 years; 21 boys) completed the study. Sixty patients (91%) had received inhalation instruction prior to referral. Only 29% of these patients, using a dry powder inhaler, performed all essential steps correctly, compared to 67% of children using a metered dose inhaler/spacer combination (P < 0.01). Children who had received comprehensive inhalation instructions with repeated checks of proper inhalation technique at the pharmacy or in the clinical trial setting were more likely to perform all essential steps correctly (79% and 93%, respectively) than children who had received a single instruction by a general practitioner (39%, P < 0.01). Many asthmatic children use their inhalers devices too poorly to result in reliable drug delivery, even after inhalation instruction. Comprehensive inhalation instruction and repeated check-ups are needed to assure reliable inhalation technique.


Subject(s)
Asthma/therapy , Drug Delivery Systems/standards , Patient Education as Topic/standards , Administration, Inhalation , Adolescent , Child , Child, Preschool , Drug Delivery Systems/instrumentation , Equipment Failure , Female , Humans , Infant , Male , Nebulizers and Vaporizers/standards , Patient Satisfaction , Retrospective Studies , Surveys and Questionnaires
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