Tricuspid regurgitation thresholds reassessed

The proposed framework classified 30% of patients as high or extreme risk, compared with 12% classified as having severe or greater tricuspid regurgitation under established grading schemes.

By
Kathryn Wighton
September 9, 2026
4 min

MDSpire News

At a Glance

Category	Detail
Condition	Tricuspid Regurgitation in Transthyretin Amyloid Cardiomyopathy
Key Mechanisms	Echocardiographic thresholds for tricuspid regurgitation provide prognostic discrimination.
Target Population	Adult patients with newly diagnosed transthyretin amyloid cardiomyopathy.
Care Setting	High-volume tertiary referral centers.

Key Highlights

Study involved 1,124 patients across multiple European countries.
Proposed thresholds for tricuspid regurgitation are lower than current guidelines.
Significant mortality and heart failure hospitalization rates observed.
Framework showed better prognostic discrimination than existing guidelines.
Caution advised regarding the use of thresholds for intervention eligibility.

Guideline-Based Recommendations

Diagnosis

Utilize standardized transthoracic echocardiography for assessment.

Management

Consider the proposed echocardiographic thresholds for risk stratification.

Monitoring & Follow-up

Follow patients for mortality and heart failure hospitalization outcomes.

Risks

Residual confounding may affect observational study conclusions.

Patient & Prescribing Data

Patients with transthyretin amyloid cardiomyopathy.

Thresholds developed for prognostic assessment, not for intervention eligibility.

Clinical Best Practices

Implement standardized core laboratory acquisition and measurement for echocardiographic assessments.
Use the proposed thresholds for improved prognostic evaluation.