Correlations between quality indexes of chest compression

Zhang, Fengling; Li, Yan; Huang, Sufang; Bai, Xiangjun

doi:10.5847/wjem.j.issn.1920-8642.2013.01.010

Cited by 14 publications

(18 citation statements)

References 14 publications

(18 reference statements)

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“…[23] Rescuer fatigue, which is regarded as the primary reason for deterioration of quality of chest compressions during CPR over time, has been investigated in a number of simulation and clinical studies with varying results. [14,15,[24][25][26] In an earlier manikin study, Ochoa et al [24] demonstrated that rescuer fatigue was appreciated quickly for hospital staff and compression depth degraded after only 1 minute of CPR delivery. Ashton et al [14] found that the quality of chest compressions decayed within 3 minutes of CPR and this effect was greater in female doctors and nurses due to their smaller stature in another manikin study.…”

Section: Discussionmentioning

confidence: 99%

Performance of cardiopulmonary resuscitation during prolonged basic life support in military medical university students: A manikin study

Wang

Zhuo

Zhang

et al. 2015

World Journal of Emergency Medicine

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Section: Discussionmentioning

confidence: 99%

Performance of cardiopulmonary resuscitation during prolonged basic life support in military medical university students: A manikin study

Wang

Zhuo

Zhang

et al. 2015

World Journal of Emergency Medicine

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“…Out-of-hospital cardiac arrest (OHCA) is the destructive manifestation of coronary artery disease and commonly leads to high morbidity and mortality 1 . Nevertheless, it is recognized that high-quality cardiopulmonary resuscitation (CPR) is a vital determinant of survival following cardiac arrest 2 - 6 and may achieve the return of spontaneous circulation (ROSC) by providing the required blood flow to preserve significant organ functions 1 , 7 - 11 . According to the American Heart Association (AHA) Guidelines for CPR and Emergency Cardiovascular Care, high-quality CPR involves an adequate compression rate and depth, minimized interruptions in chest compressions, full chest rebound, and avoidance of excessive ventilation 12 .…”

Section: Introductionmentioning

confidence: 99%

The feasibility of emergency medical technicians performing intermittent high-quality cardiopulmonary resuscitation

Chang¹,

Hsu²,

Li³

et al. 2021

Int. J. Med. Sci.

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Background: Whether intermittent chest compressions have an effect on the quality of CPR is worthy of discussion. The purpose of this study was to investigate differences in the chest compression quality of emergency medical technicians (EMTs) performing cardiopulmonary resuscitation (CPR) with different rest intervals. Methods: Seventy male firefighters with EMT licenses participated in this study. Participants completed body composition measurements and three CPR quality tests, as follows: (1) CPR-uninterrupted for 10 minutes; (2) after 2 days of rest, CPR 10s-intermittent (CPR-10s), for 2 minutes each time and 5 cycles; (3) after another 2 days of rest, CPR 20s-intermittent (CPR-20s), for 2 minutes each time and 5 cycles. Results: Body composition results showed that body mass (BM), body mass index (BMI), upper limb muscle mass (ULMM), core muscle mass (CMM), and upper limb-core muscle mass (UL+CMM) were positively correlated with chest compression depth (CCD) ( p < 0.05). Analysis of the three different modes of CPR quality analysis indicated significant differences in the chest compression fraction (CCF, F = 6.801, p = 0.001), chest compression rebound rate (CCRR, F = 3.919, p = 0.021), and ratings of perceived exertion (RPE, F = 23.815, p < 0.001). Among the different performance cycles of CPR-10s, significant differences were found in CCF, CCD, CCR (chest compression rate), and RPE ( p < 0.05). On the other hand, among the different performance cycles of CPR-20s, significant differences were found in CCD, CCR, and RPE ( p < 0.05). Moreover, the CCF, CCD, and RPE scores of the two tests reached significant differences in specific phases ( p < 0.05). Conclusions: This study confirmed that the upper limb muscle mass or the weight of the upper body of EMTs is positively correlated with the quality of CPR. In addition, intermittent chest compressions with safe interruption intervals can reduce fatigue caused by long-term chest compressions and maintain better chest compression quality.

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“…Furthermore, the subgroup analysis based on sex, which is another effect modifier between the exposure and the primary outcome, demonstrated that the direction of the association was different in males and females. Zhang et al reported that male providers can maintain chest compression depth more accurately than female providers, [ 12 ] while other studies have reported that providers in physically superior groups are better able to maintain chest compression quality. [ 9 , 23 – 25 ] Therefore, in the present study, the effect of increased heart rate of the participants on the adequacy of compression depth could be explained by the fact that male providers typically have better physical requirements to maintain chest compression quality.…”

Section: Discussionmentioning

confidence: 99%

“…Up-to-date, various studies have attempted to measure fatigue in providers while performing CPR. [ 4 – 15 ] Some of these studies revealed associations of fatigue with CPR quality by measuring fatigue with subjective indicators, such as visual analog scale (VAS) scores [ 6 , 10 – 12 ] ; however, subjective indicators can be unreliable in evaluating fatigue. Therefore, several studies have attempted to quantitatively measure a provider's fatigue using vital signs.…”

Section: Introductionmentioning

confidence: 99%

Correlation between real-time heart rate and fatigue in chest compression providers during cardiopulmonary resuscitation

Bae¹,

Choi²,

Beom³

et al. 2021

Medicine

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Background: The American Heart Association guidelines recommend switching chest compression providers at least every 2 min depending on their fatigue during cardiopulmonary resuscitation (CPR). Although the provider's heart rate is widely used as an objective indicator for detecting fatigue, the accuracy of this measure is debatable. Objectives: This study was designed to determine whether real-time heart rate is a measure of fatigue in compression providers. Study design: A simulation-based prospective interventional study including 110 participants. Methods: Participants performed chest compressions in pairs for four cycles using advanced cardiovascular life support simulation. Each participant's heart rate was measured using wearable healthcare devices, and qualitative variables regarding individual compressions were obtained from computerized devices. The primary outcome was correct depth of chest compressions. The main exposure was the change in heart rate, defined as the difference between the participant's heart rate during individual compressions and that before the simulation was initiated. Results: With a constant compression duration for one cycle, the overall accuracy of compression depth significantly decreased with increasing heart rate. Female participants displayed significantly decreased accuracy of compression depth with increasing heart rate (odds ratio [OR]: 0.97; 95% confidence interval [CI]: 0.95–0.98; P < .001). Conversely, male participants displayed significantly improved accuracy with increasing heart rate (OR: 1.03; 95% CI: 1.02–1.04; P < .001). Conclusion: Increasing heart rate could reflect fatigue in providers performing chest compressions with a constant duration for one cycle. Thus, provider rotation should be considered according to objectively measured fatigue during CPR.

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Correlations between quality indexes of chest compression

Cited by 14 publications

References 14 publications

Performance of cardiopulmonary resuscitation during prolonged basic life support in military medical university students: A manikin study

Performance of cardiopulmonary resuscitation during prolonged basic life support in military medical university students: A manikin study

The feasibility of emergency medical technicians performing intermittent high-quality cardiopulmonary resuscitation

Correlation between real-time heart rate and fatigue in chest compression providers during cardiopulmonary resuscitation

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