Cardiac Myosin Inhibition for Treatment of LVOT Obstruction in a Patient With Severe AS

Ronald H Wharton1, Elana Koss1, Bruce Rutkin1

  • 1Northwell Cardiovascular Institute, North Shore University Hospital, New Hyde Park, New York, USA.

JACC. Case Reports
|June 3, 2024
PubMed

Insights

This study reports the first use of a cardiac myosin inhibitor before transcutaneous aortic valve replacement in a patient with both aortic stenosis and obstructive hypertrophic cardiomyopathy.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pharmacology

Background:

  • Aortic stenosis and obstructive hypertrophic cardiomyopathy are common cardiovascular conditions.
  • Managing patients with both conditions presents significant clinical challenges.
  • Current treatment strategies require careful consideration of overlapping pathologies.

Observation:

  • This case report details the management of a patient with concomitant AS and oHCM.
  • The patient received a cardiac myosin inhibitor prior to intervention.
  • Transcatheter aortic valve replacement (TAVR) was subsequently performed.

Findings:

  • The study reports the first documented instance of utilizing a cardiac myosin inhibitor pre-TAVR in a patient with AS and oHCM.
  • This approach may offer a novel therapeutic pathway for managing obstructive physiology in this patient population.

Implications:

  • This pioneering use suggests a potential role for cardiac myosin inhibitors in optimizing patients for TAVR when oHCM is present.
  • Further research is warranted to explore the safety and efficacy of this combined therapeutic strategy.
  • This approach could improve outcomes for patients with complex cardiovascular comorbidities.