ezCVP measurement: * Measuring device: non-FDA-cleared patient monitor (740E, Zoe Medical, MA, US), which has software to measure ezCVP.
* Sensor: an FDA-cleared pulse oximeter sensor for adults (K012891: DS-100A, Nellcor, CA, US).
* Cuff: an FDA-cleared NIBP cuff for adults (K080342: YP-713T, YP-714T or TP-715T, Nihon Kohden Corporation, Tokyo, Japan).
Study summary
Track changes in non-invasive central venous pressure across hospital stay and relationship with readmission
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* Arm circumference of 23 cm to 55 cm
* Subject admitted to the hospital with acute exacerbation of heart failure, with either reduced or preserved ejection fraction
* Subject is at risk for readmission (NYHA Functional Classification 2-3)
* Subject is able to understand the risks and potential benefits of participating in the study and is willing to provide written, informed consent
* ezCVP indicator is high (CVPNI is over 9 mmHg) at admission
* Subject is willing and able to comply with protocol procedures
* Subject tested negative for COVID test after admission to the hospital
Exclusion Criteria:
* Finger and upper arm anatomical anomaly or disease that may interfere with attaching a pulse oximeter sensor and/or blood pressure cuff
* Pregnant (self-reported)
* Upper extremity DVT (currently being treated)
* Severe skin disease involving the upper arm(s)
* Study investigator may exclude patients based on clinical judgement
Primary outcome measure(s)
Evaluate the difference between non-invasive CVP measurement at admission and at discharge — 7 days Compare CVPNI at time of admission and discharge in clinical unit CVPNI (CVP subscript NI) is a numeric value equivalence of central venous pressure non-invasive measured in mmHg.
Evaluate the difference between non-invasive CVP measurement in right and left arms — 7 days Compare CVPNI (mmHg) for measurements on left and right arm for same subject
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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