None listed
Conditions
Interventions
Procedure/Surgery : A single-institution randomized study, the study will be conducted in 226 patients with 50% to 90% of coronary artery stenosis on angiography. Then randomly assigned, 115 patients
Sponsors
Yonsei University Yongin Severance Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) patient aged 19 or over (2) Patients with 50-90% stenosis of the causative blood vessels undergoing coronary angiography with stable angina including asymptomatic ischemic heart disease (3) patient with 50-90% stenosis of non-genuine blood vessels that are multi-vascular diseases and did not cause acute coronary syndrome in patients with acute coronary syndrome (4) Patients who arbitrarily decided to participate in this study and agreed in writing to the subject's consent.
Exclusion criteria
Exclusion criteria: (1) patient with acute coronary syndrome and single vascular disease (2) Patients who have previously undergone coronary artery bypass surgery (3) In case the coronary artery blood flow is not smooth (TIMIgrade2)2) (4) Life expectancy is less than 1 year (5) a woman who is pregnant or wishes to become pregnant
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time spent by the operator to pass the FFR/iFR pressure line through the lesion and attach it to the distal end of the vessel | — |
Secondary
| Measure | Time frame |
|---|---|
| test success rate;Whether to use contrast until a pressure wire is attached to the tip of the vessel;(3) Amount of contrast medium used until the pressure wire is attached to the end of the blood vessel;(4) Total time required to attach the pressure wire to the end of the blood vessel;(5) Total treatment time;(6) Amount of total contrast medium used;(7) total radiation exposure;(8) Complications associated with surgery | — |
Countries
Korea, Republic of
Contacts
Public ContactKim YongCheol
Yonsei University Yongin Severance Hospital
Outcome results
None listed