Related Experiment Video
Updated: Jun 15, 2025
Establishing a Swine Model of Post-myocardial Infarction Heart Failure for Stem Cell Treatment
Published on: May 25, 2020
Home inotrope therapy in chronic stimulant-induced cardiomyopathy: a case series
Max Joseph1, Sejal Batra1, Wali Kamran1
1Lehigh Valley Heart and Vascular Institute, Lehigh Valley Health Network, 1250 S Cedar Crest Blvd #300, Allentown, PA 18103, USA.
Insights
Home inotrope therapy can stabilize patients with chronic stimulant-induced cardiomyopathy and cardiogenic shock. This approach may facilitate myocardial recovery or serve as a bridge to advanced heart failure therapies.
Area of Science:
- Cardiology
- Toxicology
- Heart Failure Management
Background:
- Chronic stimulant-induced cardiomyopathy (SICM) presents unique management challenges post-cardiogenic shock stabilization.
- Limited myocardial recovery potential and psychosocial barriers complicate advanced therapy decisions (LVAD, transplant) in SICM patients.
- Concerns exist regarding home inotrope use via peripherally inserted central catheter in patients with substance abuse history.
Observation:
- Three patients with chronic SICM experienced cardiogenic shock (SCAI D/E stage).
- Initial stabilization involved inotropes and/or biventricular mechanical circulatory support.
- Long-term home inotrope therapy was implemented as a bridge to LVAD, reverse remodeling, or stabilization.
Findings:
- Home inotrope therapy demonstrated utility in stabilizing chronic SICM patients with cardiogenic shock.
- This strategy provided a window for myocardial stabilization and potential recovery with medical therapy and stimulant cessation.
- Home inotrope use acted as a 'psychosocial stress test' for advanced heart failure interventions.
Implications:
- Home inotrope therapy should be considered on a case-by-case basis for chronic SICM.
- This approach can facilitate goal-directed medical therapy and stimulant cessation, promoting myocardial recovery.
- It serves as a crucial step in evaluating candidacy for advanced heart failure therapies.
Background:
Patients with chronic stimulant-induced cardiomyopathy presenting with cardiogenic shock can be stabilized with conventional measures. However, their management post-stabilization has not been well described and poses unique challenges: (i) less chance of myocardial recovery compared to acute stimulant-induced cardiomyopathy, (ii) psychosocial barriers to left ventricular assist device (LVAD) and heart transplantation, and (iii) concern for use of peripherally inserted central catheter for home inotrope in those with a history of substance abuse.
Case Summary:
Three patients with chronic stimulant-induced cardiomyopathy were admitted with cardiogenic shock progressing to Society for Cardiovascular Angiography & Interventions stage D or E. They were stabilized with inotrope and/or biventricular mechanical circulatory support. Long-term home inotrope was used as either a bridge to LVAD, reverse remodelling, or stabilization.
Discussion:
Home inotrope should be viewed as an option in chronic stimulant-induced cardiomyopathy on a case-by-case basis. It can buy time to allow for myocardial stabilization or recovery through goal-directed medical therapy and stimulant cessation. It can also serve as a 'psychosocial stress test' for future consideration of advanced heart failure therapies.
More Related Videos
14:24Percutaneous Contrast Echocardiography-guided Intramyocardial Injection and Cell Delivery in a Large Preclinical Model
Published on: January 21, 2018
12:45Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Related Concept Videos
01:26Heart Failure Drugs: Inotropic Agents
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
01:22Heart Failure Drugs: β-Blockers
01:24Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers