Background: The American Heart Association (AHA) Basic Life Support (BLS) Healthcare Provider Manual was updated with new scientific evidence for resuscitation. The purpose of this study was to clarify the changes in keywords associated with guideline updates of the 2000, 2005, 2010, and 2015 AHA-BLS Healthcare Provider Manuals using a quantitative text analysis method.
Methods: Using quantitative text analysis software (KH-coder), we analyzed the word frequency, co-occurrence network, and correspondence analysis of the AHA-BLS Japanese version of the Healthcare Provider Manual.
Results: The top 20 extracted words were listed based on word frequency, and eight topics appeared in the co-occurrence network. Correspondence analysis extracted the following keywords: risk factors for cardiac arrest, foreign body airway obstruction, and heart massage in 2000, cardiac heart attack factors in 2005; assisted rescue breathing, agonal gasps, and CPR procedure in 2010; and team in 2015. The keyword common to all was CPR.
Conclusions: Quantitative text analysis revealed keywords associated with the updates of the AHA-BLS guidelines in different years.
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