Observational study for clinical importance of fractional flow reserve in patients with organic coronary stenosis and vasospastic angina

Observational study for clinical importance of fractional flow reserve in patients with organic coronary stenosis and vasospastic angina - VSA-FFR Study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040342

Enrollment

299

Registered

2020-05-08

Start date

2019-01-31

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Angina pectoris

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with ACh provocation testing for coronary artery spasm

Exclusion criteria

Exclusion criteria: Proven cardiomyopathy End-stage renal disease on hemodialysis In-stent re-stenotic lesions in a major coronary artery History of PCI within 3 months Incomplete ACh provocation testing or measurement of FFR Lost to follow-up

Design outcomes

Primary

Measure	Time frame
The incidence of major adverse cardiovascular events, including cardiovascular death, non-fatal myocardial infarction, urgent percutaneous coronary intervention, and hospitalization due to unstable angina pectoris during the follow-up periods.	—

Countries

Japan

Contacts

Public ContactKiyotaka Hao

Tohoku University Graduate School of Medicine Department of Cardiovascular Medicine

hao@cardio.med.tohoku.ac.jp+81227177153

Outcome results