Last updated on May 2018

Asthma Attack in the Emergency Department : Reasons Of This Attendance

Brief description of study

Objective: Identify modifiable factors that may affect asthma control and the use of emergency room to define customized interventions for the management of asthma prior to emergency room.

Emergency department attendance is always a sign of poor balance or control of asthma. In spite of a decrease in the number of deaths that has been halved in 20 years and hospitalization due to asthmatic disease, the use of emergency center for this disease has not decreased. We now know that the passage through emergencies and hospitalization for aggravation of asthma is in itself a factor of mortality. Acting on the determinants of poor balance or control of asthma is essential to further reduce the mortality and morbidity of asthma.

Detailed Study Description

There is two parts in this study:

Part 1 - Qualitative study by individual interviews until data saturation (although about ten patients should be enough to capture the concepts of interest) on the factors that induce an imbalance of asthma (based on the GINA (Global Initiative for Asthma) report whose criteria are validated).

An interview guide will be written to systematically address all aspects related to asthma control.

In agreement with the patient the interview will be recorded, and the verbatim will be transcribed and coded using a software (Nvivo version 10).

Preparation of a questionnaire

A questionnaire will be developed from:

  • analysis of patient verbatim
  • other data: GINA criteria, psychological criteria (psychological distress is assessed by the 12-item general health questionnaire (GHQ-12) which is valid psychometric tools in French) and social criteria.

Part 2-Observational cohort qualitative study. The questionnaire thus prepared will be placed in the patient file upon admission. As soon as possible it will be filled by the patient after improvement of his condition and collected by the doctor or nurse who took care of the patient.

To obtain sufficient power to demonstrate significant associations, and assuming that 15 variables are taken into account in a multivariate model and based on the recommendations of 10 subjects per variable, 150 patients are required.

Clinical Study Identifier: NCT03099915

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