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A look inside cardiopulmonary resuscitation: A 4D computed tomography model of simulated closed chest compression. A proof of concept

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  • Kasper Hansen
  • Ruth Machin, University Hospitals of Leicester NHS Trust
  • ,
  • Jonathon James, University Hospitals of Leicester NHS Trust
  • ,
  • Timothy Coats, University of Leicester
  • ,
  • Guy N. Rutty, University of Leicester

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 to 8 to 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 to 3 cm, 0 to 5 cm, and 0 to 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.

Sider (fra-til)149-153
StatusUdgivet - aug. 2020

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