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September 8, 2026Emergency Care and MedicineOpen Access

Changes in Hemodynamic Parameters During 10 Min of Chest Compressions at Different Positions in Cadaveric Newborn Piglets

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Authors

CXChenguang XuMZMing ZhouJLJiang-Qin Liu

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Overview

Randomized animal study demonstrates equivalent mechanical hemodynamics across rescuer positions during chest compressions in cadaveric piglets, suggesting provider placement flexibility.

Key Points

  • To compare compression-generated mechanical hemodynamic parameters across three rescuer positions during 10 minutes of two-thumb chest compressions in a cadaveric newborn piglet model.
  • Randomized 21 euthanized newborn piglets (1–3 days of age, weighing 1.7–2.3 kg) to receive 10 minutes of continuous two-thumb encircling chest compressions from either the over-the-head, side, or bottom position.
  • Continuously recorded compression-generated mechanical blood flow and blood pressure signals in the absence of intrinsic myocardial contractility.
  • All 21 newborn piglets completed the 10-minute experimental compression protocol across the assigned rescuer positions.
  • Compression-generated mechanical hemodynamic signals of blood flow and pressure showed no significant differences among the over-the-head, side, and bottom positions.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd81458e84d0ff5b473cdhttps://doi.org/10.3390/ecm3030031
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Evaluation of Hemodynamic Data in an Ovine Model to Estimate Optimal Time for Compressor Change During Neonatal Resuscitation.2026
  2. 2Cardiopulmonary resuscitation with Synchronized Ventilation versus 3:1 Compression to Ventilation ratio in a neonatal porcine model2026
  3. 3Chest compression synchronized ventilation versus chest compression superimposed by sustained inflation in asphyxiated newborn piglets: a randomized animal trial2026
  4. 4Cardiopulmonary resuscitation with Synchronized Ventilation: A new technique of Neonatal Resuscitation that reduces time to return of spontaneous circulation in a neonatal porcine model2025
  5. 5Ergonomic Considerations in Neonatal Cardiopulmonary Resuscitation2026