Clinical significance of combination of left atrial and left ventricular function estimated by two-dimensional speckle tracking echocardiography for diagnosis of concomitant transthyretin amyloid cardiomyopathy in patients with aortic stenosis

Clinical significance of combination of left atrial and left ventricular function estimated by two-dimensional speckle tracking echocardiography for diagnosis of concomitant transthyretin amyloid cardiomyopathy in patients with aortic stenosis - Peak LSR and RapLSI are useful in ATTR-CM with AS

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000045458

Enrollment

Registered

2021-09-12

Start date

2012-01-01

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

Transthyretin amyloid cardiomyopathy

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with moderate to severe aortic stenosis who underwent 99mTc-pyrophosphate (PYP) scintigraphy at Kumamoto University Hospital.

Exclusion criteria

Exclusion criteria: Insufficient information for 2D speckle tracking echocardiography.

Design outcomes

Primary

Measure	Time frame
left atrial (LA) function and left ventricular (LV) function obtained by two-dimensional (2D) speckle tracking echocardiography	—

Countries

Japan

Contacts

Public ContactFumi Oike

Kumamoto University Cardiovascular Medicine

oike-fmi@kumamoto-u.ac.jp0963735175

Outcome results