In Response

Bergese, Sergio D.; Mestek, Michael L.; Kelley, Scott D.; McIntyre, Robert C.; Sethi, Rakesh; Watson, James N.; Addison, Paul

doi:10.1213/ane.0000000000002292

Cited by 1 publication

(3 citation statements)

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“…In our analyses, RMSE for the App method was 1.71, within 3 brpm, which was suggested as a clinically insignificant difference in a previous study (Bergese et al, 2017). LoA and percentage error for the App method and the 1-min method also showed very similar values, indicating that the App method can be almost equivalent to the 1-min method in terms of accuracy.…”

Section: Discussionsupporting

confidence: 73%

“…where n is the number of observations, RR i is the respiratory rate determined by the App method or 1-min method, and RR ref is the reference RR (Bergese et al, 2017). A previous study suggested that the difference in RR measurement could be clinically insignificant when RMSE was less than 3 brpm (Bergese et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

“…Recently, various methods for measuring RR by less manual approaches, such as those using video monitoring, pulse oximetry waveforms and other wearable devices have been introduced (Bergese et al, 2017;Liu et al, 2019;Massaroni et al, 2018). These methods may reduce the burden on nurses measuring RR; however, such cutting-edge technologies generally have some disadvantages concerning cost and portability.…”

Section: Discussionmentioning

confidence: 99%

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Usefulness of a mobile phone application for respiratory rate measurement in adult patients

Suzuki

Takada

Takeshima

et al. 2022

Japan Journal Nursing Sci

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Aims: Respiratory rate measurement is one of the core nursing skills for early detection of deterioration of a patient's condition. Nevertheless, it is sometimes bothersome to visually measure respiratory rate over 1 min. Respiratory rate measurement using a mobile phone application "RRate" has been reported to be accurate and completed in a short time. However, it has only been investigated in children. The aim of this study was to validate the "RRate" compared with the 1-min method in adult patients.Methods: This was a cross-sectional study in the setting of a nursing school. Videos of the movement of the thorax during respiration of adult patients were made. Nursing students watched these videos and measured respiratory rate with each method. Bland-Altman analysis was used to calculate bias and limits of agreement. The times taken for the measurements were compared using a t test. Results: A total of 59 nursing students participated. When compared to the reference measurement, the one measured using "RRate" and the one measured over 1 min showed a bias of 0.40 breaths per minute and 0.65 breaths per minute, limits of agreement of À2.86 to 3.67 breaths per minute and À2.11 to 3.41 breaths per minute, respectively. The mean measurement time for "RRate" was 22.8 s (95% CI 13.9-36.6), which was significantly shorter than the 65.8 s (95% CI 61.0-73.2) for the measurement over 1 min (p < .001). Conclusions: Respiratory rate can be measured accurately in a shorter time using a mobile phone application in adult patients. K E Y W O R D S adult, mobile phone application, respiratory rate, vital sign 1 | INTRODUCTION Abnormalities in respiratory rate (RR) are an early indicator of acute deterioration of a patient's condition (Churpek et al., 2012). While good collaboration and communication between nurses and doctors are essential in the management of deteriorating patients (Petersen et al., 2017), nurses play a major role in identifying unwell patients. Thus, RR measurement is regarded as one of the core nursing skills (Rolfe, 2019). Despite its

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Section: Discussionsupporting

confidence: 73%

Section: Discussionmentioning

confidence: 99%