Duplex ultrasound method to assess patency in the proximal part of the LIMA of Y-bypass grafts in late follow up related to multislice ct-scan after CABG.

Completed

• Conditions: 10011082; 10003184; 10003216; patency: functionality

• Registration Number: NL-OMON30675
• Lead Sponsor: Erasmus MC, Universitair Medisch Centrum Rotterdam

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 18 June 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 30

Inclusion Criteria

Patients who underwent CABG 10 years ago will be included in the study to undergo both a duplex and CT-scan.

Exclusion Criteria

Redo surgery, serious co-morbidity (malignancy, previous chest irradiation), infarction of the bypassed region, combined cardiac surgery, subclavian artery stenosis, renal failure (creatinine >= 120 µmol/l), irregular cardiac rhythm, allergic to iodine and pregnancy.

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Diastolic peak velocity of the LIMA graft<br /><br>Systolic peak velocity of the LIMA graft<br /><br>Diastolic velocity integral of the diastolic phase in the cardiac cycle.<br /><br>Systolic velocity integral of the systolic phase in the cardiac cycle.<br /><br>Diastolic/systolic peak velocity ratio<br /><br>Diastolic/total (systolic + diastolic) velocity integral ratio</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Not applicable</p><br>