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.

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. - Duplex

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON30675

Enrollment

Registered

2007-03-12

Start date

2007-09-20

Completion date

Unknown

Last updated

2024-06-18

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

Conditions

patency: functionality

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

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

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.

Design outcomes

Primary

Measure	Time frame
Diastolic peak velocity of the LIMA graft Systolic peak velocity of the LIMA graft Diastolic velocity integral of the diastolic phase in the cardiac cycle. Systolic velocity integral of the systolic phase in the cardiac cycle. Diastolic/systolic peak velocity ratio Diastolic/total (systolic + diastolic) velocity integral ratio	—

Countries

Netherlands

Outcome results