Circulatory Oscillations in Post Cardiac Surgery Patients

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02765607

Enrollment

Registered

2016-05-06

Start date

2016-03-31

Completion date

2017-12-31

Last updated

2018-02-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary Disease

Keywords

Blood circulation, Cardiac surgical procedures, Homeostasis

Brief summary

In this observational study investigators examine the presence of circulatory oscillations in blood pressure, heart rate, and doppler laser flow before and after planned cardiac surgery.

Interventions

PROCEDUREHeart surgery

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* patients scheduled for routine coronary artery bypass graft (CABG) surgery, single procedure only

Exclusion criteria

* no sinus or pacemaker rhythm * ejection fraction below 0.5 * serious valvular disease * right ventricular failure * pulmonary hypertension * serious postoperative bleeding

Design outcomes

Primary

Measure	Time frame	Description
Frequency and amplitude of oscillations of electrocardiogram (ECG)	First day	analyzed by continuous wavelet transform

Countries

Norway

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026