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Screening for heart transplantation and left ventricular assist system: results from the ScrEEning for advanced Heart
Lars H Lund1,2, Jean-Noel Trochu3, Bart Meyns4
1Department of Medicine, Karolinska Institutet, Stockholm, Sweden.
Insights
Screening identified eligible candidates for advanced heart failure treatments like heart transplantation (HTx) and left ventricular assist systems (LVAS) among patients with existing devices. However, many eligible patients declined intervention, highlighting a gap between clinical assessment and patient readiness.
Area of Science:
- Cardiology
- Advanced Heart Failure Management
Background:
- Heart transplantation (HTx) and left ventricular assist systems (LVAS) are crucial for advanced heart failure but may be underutilized.
- Screening protocols can potentially identify suitable candidates for these life-saving interventions.
Purpose of the Study:
- To evaluate the effectiveness of a screening program in identifying patients with advanced heart failure who are candidates for HTx or LVAS.
- To assess the prevalence of undiagnosed eligibility for advanced therapies in patients with existing cardiac devices.
Main Methods:
- The SEE-HF study prospectively screened patients with cardiac resynchronization therapy (CRT) and/or implantable cardioverter-defibrillator (ICD) and ejection fraction ≤40% (NYHA class III-IV).
- Eligible patients were assessed for guideline-based HTx and LVAS indications.
- Screening occurred across multiple centers in seven European countries.
Main Results:
- Out of 1722 patients screened, 7.0% were eligible, and 5.7% were enrolled for detailed assessment.
- 26% of enrolled patients were eligible for HTx or LVAS.
- 11 patients were listed for HTx, and 3 received an LVAS.
Conclusions:
- A significant proportion of patients with CRT/ICD and advanced heart failure have unrecognized eligibility for HTx or LVAS.
- Patient willingness to accept advanced therapies remains a barrier, indicating a discrepancy between clinical indication and patient acceptance.
- Screening effectively identifies candidates, but patient decision-making influences intervention rates.
Background:
Heart transplantation (HTx) and implantable left ventricular assist systems (LVAS) improve outcomes in advanced heart failure but may be underutilized. We hypothesized that screening can identify appropriate candidates.
Methods And Results:
The ScrEEning for advanced Heart Failure treatment (SEE-HF) study was a multicentre prospective study screening patients with existing cardiac resynchronization therapy (CRT) and/or implantable cardioverter-defibrillator (ICD) for ejection fraction ≤40% and New York Heart Association (NYHA) class III-IV, and subsequently for guideline-based HTx and LVAS indication. Of 1722 (mean age 64 ± 14 years, 26% women) patients screened at eight centres in seven European countries, 121 (7.0%) were eligible and 99 (5.7%; mean age 61 ± 10 years, 19% women) patients were enrolled for detailed assessment. Twenty-six of the 99 enrolled patients (26%) were eligible for either HTx or LVAD (18 eligible for HTx; 7 eligible for LVAD; and 1 eligible for both). Eleven patients were listed for HTx and three received an LVAS. Eligible patients were 61 ± 8 years and 19% women, whereas those actually receiving intervention were 56 ± 8 years and 8% women.
Conclusions:
Among patients with CRT and/or ICD, a minority have NYHA class III-IV heart failure and ejection fraction ≤40%. Among these, however, more than one-quarter have an unrecognized need for HTx or LVAS. When patients are offered intervention based on screening, many decline. Discrepancies exist between clinical and patient equipoise. Clinical Trial Registration ClinicalTrials.gov Unique Identifier: NCT00894387.
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