Respiratory distress assessment instrument
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Synonyms and keywords: RDAI.
Overview
The Respiratory distress assessment instrument (RDAI) is a assessment scale to judge severity of illness in infants.
Development of the RDAI
The RDAI was developed in 1987 to measure response to treatment of bronchiolitis.[1]
Data Source for Derivation and Validation
The RDAI was tested for reliability by two of the original investigators. They reported weighted kappa of 0.9.[1]
Usage and Application of the Instrument
Recently, the construct validity of the RDAI has been challenged due to low correlation with subsequent admission to the hospital or length of stay (LOS).[2] The Children's Hospital of Wisconsin Respiratory Score (CHWRS) may better predict need for admission.[2]
Additional alternative scales are:
The Instrument
| Points | |||||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | |
| Wheezing | |||||
| Expiration | None | End | 1/2 | 3/4 | All |
| Inspiration | None | Part | All | ||
| Location | None | Segmental < 2 of 4 lung fields |
Diffuse > 3 of 4 lung fields |
||
| Retractions | |||||
| Supraclavicular | None | Mild | Moderate | Marked | |
| Intercostal | None | Mild | Moderate | Marked | |
| Subcostal | None | Mild | Moderate | Marked | |
References
- ↑ 1.0 1.1 Lowell DI, Lister G, Von Koss H, McCarthy P (1987). "Wheezing in infants: the response to epinephrine". Pediatrics. 79 (6): 939–45. PMID 3295741.
- ↑ 2.0 2.1 Destino L, Weisgerber MC, Soung P, Bakalarski D, Yan K, Rehborg R; et al. (2012). "Validity of respiratory scores in bronchiolitis". Hosp Pediatr. 2 (4): 202–9. PMID 24313026.
- ↑ Campbell ML (2008). "Psychometric testing of a respiratory distress observation scale". J Palliat Med. 11 (1): 44–50. doi:10.1089/jpm.2007.0090. PMID 18370892.
- ↑ McCallum GB, Morris PS, Wilson CC, Versteegh LA, Ward LM, Chatfield MD; et al. (2013). "Severity scoring systems: are they internally valid, reliable and predictive of oxygen use in children with acute bronchiolitis?". Pediatr Pulmonol. 48 (8): 797–803. doi:10.1002/ppul.22627. PMID 22949369.