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Observational Study
. 2018 Sep:130:159-166.
doi: 10.1016/j.resuscitation.2018.07.015. Epub 2018 Jul 18.

Chest compression rates and pediatric in-hospital cardiac arrest survival outcomes

Collaborators, Affiliations
Observational Study

Chest compression rates and pediatric in-hospital cardiac arrest survival outcomes

Robert M Sutton et al. Resuscitation. 2018 Sep.

Abstract

Aim: The primary aim of this study was to evaluate the association between chest compression rates and 1) arterial blood pressure and 2) survival outcomes during pediatric in-hospital cardiopulmonary resuscitation (CPR).

Methods: Prospective observational study of children ≥37 weeks gestation and <19 years old who received CPR in an intensive care unit (ICU) as part of the Pediatric Intensive Care Unit Quality of CPR Study (PICqCPR) of the Collaborative Pediatric Critical Care Research Network (CPCCRN). Arterial blood pressure and compression rate were determined from manually extracted arterial line waveform data during the first 10 min of CPR. The primary outcome was survival to hospital discharge. Modified Poisson regression models assessed the association between rate categories (80-<100, 100-120 [Guidelines], >120-140, >140) and outcomes.

Results: Compression rate data were available for 164 patients. More than half (98/164; 60%) were <1 year old. Return of circulation was achieved in 148/164 (90%); survival to hospital discharge in 77/164 (47%). Percentage of events with average rate within Guidelines was 32.9%. Compared to Guidelines, higher rate categories were associated with lower systolic blood pressures (>120-140, p = 0.010; >140, p = 0.077), but not survival. A rate between 80-<100 per minute was associated with a higher rate of survival to hospital discharge (aRR 1.92, CI95 1.13, 3.29, p = 0.017) and survival with favorable neurological outcome (aRR 2.12, CI95 1.09, 4.13, p = 0.027) compared to Guidelines.

Conclusion: Non-compliance with compression rate Guidelines was common in this multicenter cohort. Among ICU patients, slightly lower rates were associated with improved outcomes compared to Guidelines.

Keywords: Cardiac arrest; Cardiopulmonary resuscitation; Intensive care unit; Pediatric.

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Conflict of interest statement

Conflicts of Interest

The authors report no conflicts of interest related specifically to this manuscript. Unrelated disclosures include the following: Robert M. Sutton reports grant funding from the National Institutes of Health (NIH); Murray M. Pollack reports grant funding from the NIH and the Department of Defense, collaborative projects with Cerner Corporation, and philanthropy from Mallinckrodt Pharmaceuticals; Frank W. Moler reports NIH funding paid to his institution; Daniel A. Notterman reports grant funding from the NIH; and Christopher J. Newth reports consulting services for both Philips Research of North America and Medtronics.

Figures

Figure 1:
Figure 1:
Utstein-style flow diagram of patients included in this secondary analysis of the Pediatric Intensive Care Quality of Cardiopulmonary Resuscitation (PICqCPR) study. ROSC indicates Return of Spontaneous Circulation; ROC, return of circulation with extracorporeal support; neuro, neurological; favorable neuro outcome, Pediatric Cerebral Performance Category of 1–3 or no worse.
Figure 2:
Figure 2:
Box plot minute-level average diastolic blood pressures (A) and systolic blood pressures (B) across compression rate categories. DBP indicates diastolic blood pressure, SBP, systolic blood pressure. Circles inside of each box represent the mean BP. The horizontal line inside of each box represents the median BP. The bottom and top edges of the box indicate the interquartile range (IQR). The whiskers that extend from each box indicate the range of values that are outside of the IQR (up to a distance of 1.5*IQR from the box). Any points that are more than 1.5*IQR from the box are considered outliers and are represented by circles beyond the edge of the whiskers.

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