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Bawua LK, Miaskowski C, Hu X, et al. A review of the literature on the accuracy, strengths, and limitations of visual, thoracic impedance, and electrocardiographic methods used to measure respiratory rate in hospitalized patients. Ann Noninvasive Electrocardiol. 2021;26(5):e12885doi: 10.1111/anec.12885.
Bawua, L. K., Miaskowski, C., Hu, X., Rodway, G. W., & Pelter, M. M. (2021). A review of the literature on the accuracy, strengths, and limitations of visual, thoracic impedance, and electrocardiographic methods used to measure respiratory rate in hospitalized patients. Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 26(5), e12885. https://doi.org/10.1111/anec.12885
Bawua, Linda K, et al. "A review of the literature on the accuracy, strengths, and limitations of visual, thoracic impedance, and electrocardiographic methods used to measure respiratory rate in hospitalized patients." Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc vol. 26,5 (2021): e12885. doi: https://doi.org/10.1111/anec.12885
Bawua LK, Miaskowski C, Hu X, Rodway GW, Pelter MM. A review of the literature on the accuracy, strengths, and limitations of visual, thoracic impedance, and electrocardiographic methods used to measure respiratory rate in hospitalized patients. Ann Noninvasive Electrocardiol. 2021 Sep;26(5):e12885. doi: 10.1111/anec.12885. Epub 2021 Aug 18. PMID: 34405488; PMCID: PMC8411767.
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Ann Noninvasive Electrocardiol. 2021 Sep;26(5):e12885. doi: 10.1111/anec.12885. Epub 2021 Aug 18.

A review of the literature on the accuracy, strengths, and limitations of visual, thoracic impedance, and electrocardiographic methods used to measure respiratory rate in hospitalized patients.

Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc

Linda K Bawua, Christine Miaskowski, Xiao Hu, George W Rodway, Michele M Pelter

Affiliations

  1. School of Nursing, University of California, San Francisco, California, USA.
  2. School of Nursing, Duke University, Durham, North Carolina, USA.
  3. School of Medicine, University of Nevada, Reno, Nevada, USA.

PMID: 34405488 PMCID: PMC8411767 DOI: 10.1111/anec.12885

Abstract

BACKGROUND: Respiratory rate (RR) is one of the most important indicators of a patient's health. In critically ill patients, unrecognized changes in RR are associated with poorer outcomes. Visual assessment (VA), impedance pneumography (IP), and electrocardiographic-derived respiration (EDR) are the three most commonly used methods to assess RR. While VA and IP are widely used in hospitals, the EDR method has not been validated for use in hospitalized patients. Additionally, little is known about their accuracy compared with one another. The purpose of this systematic review was to compare the accuracy, strengths, and limitations of VA of RR to two methods that use physiologic data, namely IP and EDR.

METHODS: A systematic review of the literature was undertaken using prespecified inclusion and exclusion criteria. Each of the studies was evaluated using standardized criteria.

RESULTS: Full manuscripts for 23 studies were reviewed, and four studies were included in this review. Three studies compared VA to IP and one study compared VA to EDR. In terms of accuracy, when Bland-Altman analyses were performed, the upper and lower levels of agreement were extremely poor for both the VA and IP and VA and EDR comparisons.

CONCLUSION: Given the paucity of research and the fact that no studies have compared all three methods, no definitive conclusions can be drawn about the accuracy of these three methods. The clinical importance of accurate assessment of RR warrants new research with rigorous designs to determine the accuracy, and clinically meaningful levels of agreement of these methods.

© 2021 The Authors. Annals of Noninvasive Electrocardiology published by Wiley Periodicals LLC.

Keywords: electrocardiography; hospitalized patients; impedance pneumography; respiratory rate; sensitivity/specificity; visual assessment

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