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Comparison of a non-invasive method of measuring central venous pressure to the conventional modality of invasive central venous pressure.
The conventional method used to measure central venous pressure has limitations since it is an invasive procedure that requires a central venous catheter. To overcome this challenge, a new technology to assess CVP non-invasively using an oscillometric method is being developed. It is called enclosed zone central venous pressure (ezCVP). A comparison study of ezCVP and CVP is needed to determine accuracy and reproducibility.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Non-invasive central venous pressure | Device | Non-invasive method to measure central venous pressure indicator |
|
| Measure | Description | Time Frame |
|---|---|---|
| Non-invasive pressure indicator | Evaluate sensitivity and specificity of ezCVP indication based on the case where CVP is in a 'low range' (0 < CVP < 10 mmHg) or 'high range' (>= 10 mmHg) | 1-7 days |
| Measure | Description | Time Frame |
|---|---|---|
| Direction of change | Correlate the directionality of ezCVP change to invasive CVP change over time (i.e., increasing, decreasing or remaining stable). | 1-7 days |
| Correlation with invasive CVP | Quantify the agreement between ezCVP (non-invasive) and CVP (invasive) |
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Inclusion Criteria:
Exclusion Criteria:
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Patients admitted to the Stanford University Hospital ICU with central venous catheter.
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| Name | Affiliation | Role |
|---|---|---|
| Masataka Kawana, MD | Stanford University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stanford University Hospital | Stanford | California | 94305 | United States |
No individual participant data will be shared. Aggregate results will be published by the investigators in academic journals.
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| ID | Term |
|---|---|
| D006333 | Heart Failure |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| 1-7 days |