Chest Compression Fraction Alone Does Not Adequately Measure Cardiopulmonary Resuscitation Quality in Out-of-Hospital Cardiac Arrest

High-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome. Chest compression fraction measures the proportion of time chest compressions are given during a cardiac arrest resuscitation. Chest compression fractio...

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Published inThe Journal of emergency medicine Vol. 62; no. 3; pp. e35 - e43
Main Authors Loza-Gomez, Angelica, Johnson, Megan, Newby, Marianne, LeGassick, Todd, Larmon, Baxter
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.03.2022
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Abstract High-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome. Chest compression fraction measures the proportion of time chest compressions are given during a cardiac arrest resuscitation. Chest compression fraction has not been compared with the quality of chest compressions delivered at the recommended rate and depth of 100–120/min and 2.0–2.4 inches, respectively. We evaluate whether chest compression fraction correlates with compressions at a target rate of 100–120/min and depth of 2.0–2.4 inches in chest diameter. A prospective, observational study design was used to compare chest compression fraction to compressions in target in out-of-hospital cardiac arrest patients in a prehospital urban setting. We include all adult, non-traumatic out-of-hospital cardiac arrest patients with a resuscitation attempt during January 1, 2019 through September 30, 2019, for a total of 9 months. Spearman's rank correlation was used to determine correlation between compression fraction and compressions in target. A total of 120 out-of-hospital cardiac arrest cases were included in the study. We found a high chest compression fraction median of 83% (interquartile range 72–90%), but a low compression in target median of 13% (interquartile range 5–29%). There was no significant correlation between chest compression fraction and compressions in target when analyzed linearly (Spearman's Rho = 0.165, p = 0.072). No difference was found when dichotomizing chest compression fraction into high and low variables in comparison with compressions in target (14% vs. 10%, p = 0.119). Chest compression fraction is not associated with compressions in target for rate and depth for out-of-hospital cardiac arrest cardiopulmonary resuscitation.
AbstractList BACKGROUNDHigh-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome. Chest compression fraction measures the proportion of time chest compressions are given during a cardiac arrest resuscitation. Chest compression fraction has not been compared with the quality of chest compressions delivered at the recommended rate and depth of 100-120/min and 2.0-2.4 inches, respectively. OBJECTIVESWe evaluate whether chest compression fraction correlates with compressions at a target rate of 100-120/min and depth of 2.0-2.4 inches in chest diameter. METHODSA prospective, observational study design was used to compare chest compression fraction to compressions in target in out-of-hospital cardiac arrest patients in a prehospital urban setting. We include all adult, non-traumatic out-of-hospital cardiac arrest patients with a resuscitation attempt during January 1, 2019 through September 30, 2019, for a total of 9 months. Spearman's rank correlation was used to determine correlation between compression fraction and compressions in target. RESULTSA total of 120 out-of-hospital cardiac arrest cases were included in the study. We found a high chest compression fraction median of 83% (interquartile range 72-90%), but a low compression in target median of 13% (interquartile range 5-29%). There was no significant correlation between chest compression fraction and compressions in target when analyzed linearly (Spearman's Rho = 0.165, p = 0.072). No difference was found when dichotomizing chest compression fraction into high and low variables in comparison with compressions in target (14% vs. 10%, p = 0.119). CONCLUSIONChest compression fraction is not associated with compressions in target for rate and depth for out-of-hospital cardiac arrest cardiopulmonary resuscitation.
High-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome. Chest compression fraction measures the proportion of time chest compressions are given during a cardiac arrest resuscitation. Chest compression fraction has not been compared with the quality of chest compressions delivered at the recommended rate and depth of 100–120/min and 2.0–2.4 inches, respectively. We evaluate whether chest compression fraction correlates with compressions at a target rate of 100–120/min and depth of 2.0–2.4 inches in chest diameter. A prospective, observational study design was used to compare chest compression fraction to compressions in target in out-of-hospital cardiac arrest patients in a prehospital urban setting. We include all adult, non-traumatic out-of-hospital cardiac arrest patients with a resuscitation attempt during January 1, 2019 through September 30, 2019, for a total of 9 months. Spearman's rank correlation was used to determine correlation between compression fraction and compressions in target. A total of 120 out-of-hospital cardiac arrest cases were included in the study. We found a high chest compression fraction median of 83% (interquartile range 72–90%), but a low compression in target median of 13% (interquartile range 5–29%). There was no significant correlation between chest compression fraction and compressions in target when analyzed linearly (Spearman's Rho = 0.165, p = 0.072). No difference was found when dichotomizing chest compression fraction into high and low variables in comparison with compressions in target (14% vs. 10%, p = 0.119). Chest compression fraction is not associated with compressions in target for rate and depth for out-of-hospital cardiac arrest cardiopulmonary resuscitation.
Author Loza-Gomez, Angelica
Johnson, Megan
LeGassick, Todd
Larmon, Baxter
Newby, Marianne
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Keywords cardiopulmonary resuscitation
compression fraction
prehospital care
out-of-hospital cardiac arrest
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Snippet High-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome. Chest...
BACKGROUNDHigh-quality cardiopulmonary resuscitation in out-of-hospital cardiac arrest is important for increased survival and improved neurological outcome....
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crossref
pubmed
elsevier
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Publisher
StartPage e35
SubjectTerms Adult
Cardiopulmonary Resuscitation
compression fraction
Humans
out-of-hospital cardiac arrest
Out-of-Hospital Cardiac Arrest - therapy
prehospital care
Pressure
Prospective Studies
Thorax
Title Chest Compression Fraction Alone Does Not Adequately Measure Cardiopulmonary Resuscitation Quality in Out-of-Hospital Cardiac Arrest
URI https://dx.doi.org/10.1016/j.jemermed.2021.10.030
https://www.ncbi.nlm.nih.gov/pubmed/35058094
https://search.proquest.com/docview/2622280098
Volume 62
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