ArticleBMC pediatrics2005
Dalhousie dyspnea scales: construct and content validity of pictorial scales for measuring dyspnea.
Article in BMC pediatrics, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed.
- Assessment of comorbid symptoms in pediatric autonomic dysfunction.Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2023Review
- Guidance and standard operating procedures for functional exercise testing in cystic fibrosis.European respiratory review : an official journal of the European Respiratory Society · 2023Review
- Development and equivalence of new faces for inclusion in the Childhood Asthma Control Test (C-ACT) response scale.Journal of patient-reported outcomes · 2021Article
- Dalhousie Dyspnea and perceived exertion scales: psychophysical properties in children and adolescents.Respiratory physiology & neurobiology · 2014Article
- Modeling trajectories of perceived leg exertion during maximal cycle ergometer exercise in children and adolescents.BMC medical research methodology · 2014Article
- Pediatric Dyspnea Scale for use in hospitalized patients with asthma.The Journal of allergy and clinical immunology · 2009Article
- Evaluation, modification and validation of a set of asthma illustrations in children with chronic asthma in the emergency department.Canadian respiratory journalArticle
- Measuring Dyspnea and Perceived Exertion in Healthy Adults and with Respiratory Disease: New Pictorial Scales.Sports medicine - openArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBecause there are no child-friendly, validated, self-report measures of dyspnea or breathlessness, we developed, and provided initial validation, of three, 7-item, pictorial scales depicting three sub-constructs of dyspnea: throat closing, chest tightness, and effort.
methodsWe developed the three scales (Throat closing, Chest tightness, and Effort) using focus groups with 25 children. Subsequently, seventy-nine children (29 children with asthma, 30 children with cystic fibrosis. and 20 children who were healthy) aged 6 to 18 years rated each picture in each series, using a 0-10 scale. In addition, each child placed each picture in each series on a 100-cm long Visual Analogue Scale, with the anchors "not at all" and "a lot".
resultsChildren aged eight years or older rated the scales in the correct order 75% to 98% correctly, but children less than 8 years of age performed unreliably. The mean distance between each consecutive item in each pictorial scale was equal.
conclusionPreliminary results revealed that children aged 8 to 18 years understood and used these three scales measuring throat closing, chest tightness, and effort appropriately. The scales appear to accurately measure the construct of breathlessness, at least at an interval level. Additional research applying these scales to clinical situations is warranted.
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