Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Arterial and Venous Pressure Monitoring during Cardiopulmonary Resuscitation for Out-of-Hospital Arrests: A Feasibility Study

Version 1 : Received: 4 July 2023 / Approved: 7 July 2023 / Online: 7 July 2023 (09:44:44 CEST)

A peer-reviewed article of this Preprint also exists.

Onishi, H.; Matsuyama, T.; Yasutake, Y.; Inaba, D.; Katsue, T.; Nagama, M.; Iwasaki, Y.; Kano, H. Arterial and Venous Pressure Monitoring during Cardiopulmonary Resuscitation for Out-of-Hospital Arrests: Four Case Reports. J. Vasc. Dis. 2023, 2, 393-401. Onishi, H.; Matsuyama, T.; Yasutake, Y.; Inaba, D.; Katsue, T.; Nagama, M.; Iwasaki, Y.; Kano, H. Arterial and Venous Pressure Monitoring during Cardiopulmonary Resuscitation for Out-of-Hospital Arrests: Four Case Reports. J. Vasc. Dis. 2023, 2, 393-401.

Abstract

Background: In recent years, the assessment and guidance of cardiopulmonary resuscitation (CPR) quality using noninvasive and invasive monitoring techniques have been increasingly recommended. In this study, we introduce a new physiological monitoring system that simultaneously measures arterial pressure (AP), venous pressure (VP), and cerebral tissue oxygen saturation (SctO2) during CPR. Methods: This prospective observational study was conducted at a single center (Kagoshima City Hospital). Adult out-of-hospital patients aged ≥18 years with an intravenous femoral arterial line, venous line, and SctO2 monitor were included. We measured femoral arterial pressure (FAP) and femoral venous pressure (FVP) invasively if catheters were immediately inserted into the femoral artery and vein for potential candidates who require interventions such as extracorporeal cardiopulmonary resuscitation but did not receive such interventions as a result. Results: We observed several representative cases that provided the following insights: We presented several cases, including two patients with significant increases in FVP and low SctO2 values, and in both cases, return of spontaneous circulation (ROSC) was not achieved. In contrast, we also presented two cases in which CPR resulted in higher FAP compared to FVP and an upward trend in SctO2 values was observed, and both instances achieved ROSC. Conclusion: We presented a simultaneous physiological monitoring system that can monitor AP, VP, and SctO2 during CPR. Further case accumulations will be necessary to assess the variations in hemodynamic status during CPR and the association between each hemodynamic status and outcomes after cardiac arrest.

Keywords

out-of-hospital cardiac arrest; physiological monitoring; blood pressure; near-infrared spectroscopy

Subject

Medicine and Pharmacology, Emergency Medicine

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