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A look inside: cardiopulmonary resuscitation using a 4D computed tomography model of simulated closed chest compression. A proof of concept.
Aim:
To mimic chest compression during cardiopulmonary resuscitation (CPR), this study aimed to produce time-resolved 3D (volumetric) reformats of thoracic and upper abdominal tissue movement during incremental closed chest compression/decompression from 0-8-0 cm.
Methods:
Sequential angiography enhanced computed tomography (CT) scans were acquired from a recently deceased, consented adult cadaver with 1 cm incremental closed chest compression/decompression. Three compression/decompression sequences from 0-3cm, 0-5 cm, and 0-8 cm, respectively, were scanned using a radio-opaque, manually operated, chest compression device. The multiphase volumetric data sets were compiled into 4D models that allowed for multiplanar reformatted and volume rendered image manipulation.
Results:
Time-resolved volumetric (4D) models were produced using freeware to post-process the static CT scans. The 4D models allowed the study of simulated thoracic and upper abdominal content movement during closed chest compression
Conclusions: The method described could assist CPR researchers and educators in the development and demonstration of effective CPR protocols.
Funding
The study was funded by a Resuscitation Council (UK) grant
History
Citation
Resuscitation (2020) In PressVersion
- AM (Accepted Manuscript)
Published in
ResuscitationPublisher
Elsevierissn
0300-9572Acceptance date
2020-05-22Copyright date
2020Language
enPublisher version
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