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. 2019 Jun 3;19(1):134.
doi: 10.1186/s12872-019-1108-1.

Mechanical chest compressions for cardiac arrest in the cath-lab: when is it enough and who should go to extracorporeal cardio pulmonary resuscitation?

Bjarne Madsen Hardig  1 , Karl B Kern  2 , Henrik Wagner  3
Affiliations

Mechanical chest compressions for cardiac arrest in the cath-lab: when is it enough and who should go to extracorporeal cardio pulmonary resuscitation?

Bjarne Madsen Hardig et al. BMC Cardiovasc Disord. .

Abstract

Background: Treating patients in cardiac arrest (CA) with mechanical chest compressions (MCC) during percutaneous coronary intervention (PCI) is now routine in many coronary catheterization laboratories (cath-lab) and more aggressive treatment modalities, including extracorporeal CPR are becoming more common. The cath-lab setting enables monitoring of vital physiological parameters and other clinical factors that can potentially guide the resuscitation effort. This retrospective analysis attempts to identify such factors associated with ROSC and survival.

Methods: In thirty-five patients of which background data, drugs used during the resuscitation and the intervention, PCI result, post ROSC-treatment and physiologic data collected during CPR were compared for prediction of ROSC and survival.

Results: Eighteen (51%) patients obtained ROSC and 9 (26%) patients survived with good neurological outcome. There was no difference between groups in regards of background data. Patients arriving in the cath-lab with ongoing resuscitation efforts had lower ROSC rate (22% vs 53%; p = 0.086) and no survivors (0% vs 50%, p = 0.001). CPR time also differentiated resuscitation outcomes (ROSC: 18 min vs No ROSC: 50 min; p = 0.007 and Survivors: 10 min vs No Survivors: 45 min; p = 0.001). Higher arterial diastolic blood pressure was associated with ROSC: 30 mmHg vs No ROSC: 19 mmHg; p = 0.012).

Conclusion: Aortic diastolic pressure during CPR is the most predictive physiological parameter of resuscitation success. Ongoing CPR upon arrival at the cath-lab and continued MCC beyond 10-20 min in the cath-lab were both predictive of poor outcomes. These factors can potentially guide decisions regarding escalation and termination of resuscitation efforts.

Keywords: Cardiac arrest; Cath-lab; Mechanical CPR; PCI.

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Conflict of interest statement

Bjarne Madsen Hardig was earlier employed by Physio-Control/Lund, a part of Stryker, the manufacturer producing the LUCAS chest compression device. Karl B Kern is a compensated member of the Science Advisory Board for Physio-Control, now a part of Stryker, and has received investigator-initiated grant funding from Physio-Control. Henrik Wagner has received lecture fees from Jolife AB Sweden.

Figures

Fig. 1
Fig. 1
Shows the distribution of rhythm causing the arrest and its relation to ROSC and survival (VF/VT = ventricular fibrillation/ventricular tachycardia, PEA = pulseless electrical activity)
See this image and copyright information in PMC

References

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