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Master Thesis

Évaluation de la précision d’une mesure téléphonique de la fréquence respiratoire à l’aide d’une application mobile : The OPERA study : On the PhonE Respiratory Rate

Abstract : With the increase of phone calls to the Centre 15 (the French emergency number) there is an urgent need to develop tools in order to assess the severity of the patient during a phone call. Respiratory rate (RR) appears to be a vital parameter that is assessable and clinically relevant since it is directly audible on the telephone and predictive of short-term mortality. We have developed a research protocol to assess the RR using a smartphone app called RRate. The population consists of adult patients admitted for less than 6 hours to the emergency department after triage by the Centre 15 and whose main leading cause of presentation is dyspnea. Patients with tracheotomy or treated with non invasive ventilation, suffering cognitive impairment and pregnant women will be excluded. The main objective is to compare the precision of RRate during a phone call with the Gold Standard over a minute at the patient's bedside with a hand laying on the patient's thorax (FR60). Secondary endpoints will be used to determine efficacy (median duration of the measurement), elements leading to measurement failure (coughing, speech during measurement) as well as comparison of efficacy between different measurement techniques (during 15 seconds (FR15), 30 seconds (FR30), with Rrate at the patient's bedside (RRlit) and by impedancemetry). We expect a shorter measurement time with the RRate application than with FR60, but also more accurate than with FR15 and FR30. One of the main obstacles when using the app during phone triage could be the low respiratory frequencies, when the patient is "less" dyspneic and the breathing barely audible.
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Master Thesis
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https://dumas.ccsd.cnrs.fr/dumas-01912891
Contributor : Jean-Hugues Morneau <>
Submitted on : Wednesday, November 7, 2018 - 12:08:57 PM
Last modification on : Wednesday, July 15, 2020 - 8:58:04 AM
Long-term archiving on: : Friday, February 8, 2019 - 1:03:08 PM

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  • HAL Id : dumas-01912891, version 1

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Enzo Zeylstra, Hélène Pinson. Évaluation de la précision d’une mesure téléphonique de la fréquence respiratoire à l’aide d’une application mobile : The OPERA study : On the PhonE Respiratory Rate. Médecine humaine et pathologie. 2018. ⟨dumas-01912891⟩

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