Prediction of slow-flow phenomenon during coronary rotational atherectomy by near-infrared spectroscopy

Prediction of slow-flow phenomenon during coronary rotational atherectomy by near-infrared spectroscopy - Prediction of slow-flow phenomenon during coronary rotational atherectomy by near-infrared spectroscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000027068

Enrollment

Registered

2017-04-20

Start date

2017-06-01

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

coronary artery disease

Interventions

We use near-infrared spectroscopy (NIRS-IVUS) during coronary rotational atherectomy.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with superficial calcification in the coronary artery evaluated by NIRS-IVUS during percutaneous coronary intervention with rotational atherectomy

Exclusion criteria

Exclusion criteria: Patients with acute coronary syndrome, intolerance to anti-coagulant and anti-platelet therapy, not crossing the NIRS-IVUS, severe complication (severe liver dysfunction, severe renal failure, uncontrolled hypertension), and unstable hemodynamics

Design outcomes

Primary

Measure	Time frame
Comparison of lipid core burden index evaluated by near-infrared spectroscopy in the calcified plaque with slow-flow phenomenon	—

Countries

Japan

Contacts

Public ContactNaohiko Nakanishi

Kyoto Prefectural University of Medicine Cardiology

naka-nao@koto.kpu-m.ac.jp075-251-5511

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026