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Caregiver Characteristics Associated With Quality of Cardiac Compressions on an Adult Mannequin With Real-Time Visual
David O Kessler1, Daniel S Lemke, Priti Jani
1From the Department of Emergency Medicine (D.O.K.), Columbia University Vagelos College of Physicians and Surgeons, Morgan Stanley Children's Hospital of New York, NY; Department of Pediatrics (D.S.L.), Texas Children's Hospital, Baylor College of Medicine, Houston, TX; Department of Pediatrics (P.J.), Section of Critical Care Medicine, University of Chicago, Chicago, IL; Division of Critical Care Medicine (M.L.D.), Cincinnati Children's Hospital Medical Center; University of Cincinnati School of Medicine (M.L.D.), Cincinnati, OH; Biostatistics Core and Division of Critical Care Medicine (M.M.C.), Nationwide Children's Hospital, Columbus, OH; Division of Emergency Medicine (T.P.C.), Children's Hospital of Los Angeles/University of Southern California, Los Angeles, CA; Division of Emergency Medicine, Hospital for Sick Children (J.P.), University of Toronto, Toronto, Ontario, Canada; Division of Critical Care Medicine (M.E.L.), Nationwide Children's Hospital, Columbus, OH; Division of Critical Care Medicine (I.H.J.), Stony Brook Children's Hospital, Stony Brook University, Stony Brook, NY; Division of Critical Care Medicine (H.A.W.), The Children's Hospital of Philadelphia; and The University of Pennsylvania Perlman School of Medicine (H.A.W.), Philadelphia, PA.
Provider body type affects chest compression (CC) quality during cardiopulmonary resuscitation (CPR). Shorter, lighter individuals experience greater fatigue, potentially impacting CPR effectiveness.
Area of Science:
- Emergency Medicine
- Cardiology
- Physiology
Background:
- Chest compression (CC) quality is critical for cardiac arrest survival.
- Provider body type may influence cardiopulmonary resuscitation (CPR) quality, but this is not well understood with visual feedback.
- Understanding these factors is key to optimizing resuscitation efforts.
Purpose of the Study:
- To investigate the association between provider anthropometric variables and CC quality during CPR.
- To determine how provider body type influences fatigue and adherence to American Heart Association guidelines.
- To assess the impact of visual feedback on these relationships.
Main Methods:
- Secondary analysis of healthcare professionals performing 2-minute CC on a CPR mannequin with visual feedback.
- Evaluation of compression depth, rate, and lean in 30-second intervals to assess fatigue.
- Multivariable and mixed-effects models used to analyze anthropometrics, CC quality, and fatigue.
Main Results:
- Extreme BMI and weight were linked to poorer CC quality.
- Larger body size correlated with better compression depth but worse lean compliance.
- All providers fatigued over 2 minutes, with shorter, lighter, and female participants showing the most significant decline.
Conclusions:
- Provider anthropometrics significantly impact CC quality, affecting depth, rate, recoil, and fatigue.
- Visual feedback did not fully mitigate performance variations due to provider characteristics.
- The standard 2-minute interval for switching chest compressors may need adjustment based on individual provider fatigue levels.
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