Consistency of Carotid Doppler Blood Flow and Thermodilution Technique

Recruiting now · Not applicable

Conditions studied: Cardiac Surgery

In brief

Currently, the gold standard method to estimate CO is the thermodilution technique, pulmonary artery catheter (PAC) and PiCCO system included, however, the invasiveness and complexity of the thermodilution technique have limited their usefulness in many clinical scenarios. By measuring the carotid blood flow, continuous carotid doppler technique has been reported to noninvasively estimate cardiac output (CO) and other parameters related to cardiac contractility and fluid status in various cardiovascular disorders. However, to the best of our knowledge, few study has been reported to evaluate the consistency of this technique in cardiac surgery patients. The aim of this study is to evaluate the tracking ability of CO changes measured by continuous carotid doppler technique in cardiac surgery patients, use the thermodilution technique as the referenced.

Key facts

Study ID

NCT05944146

Run by

Shanghai Zhongshan Hospital

People needed

200

Starts

2023-05-31

Expected to finish

2026-12-31

Last updated by the study team

2023-07-13

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• adult cardiac surgery patients
• with thermodilution technique monitoring
• mechanical ventilation

You may not qualify if…

• life threatening arrhythmia
• severe valve regurgitation
• left ventricular ejection fraction less than 30%
• patients with mechanical circulatory support

Where it is running

• Zhongshan hospital Fudan University — Shanghai, Shanghai Municipality, China (enrolling)

Full record on ClinicalTrials.gov

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