Problems with generic metoprolol

All generic drugs are not equal.

Many HCM patients have issues with metoprolol, the beta-blocker most widely prescribed for HCM. There may be multiple reasons for this, but a key one has been known for some time: many generic formulations of metoprolol succinate have time-release mechanisms that do not work in a similar fashion to the brand-name Toprol XL.

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HCM and Mental Health

Learning that you have a serious chronic disease can be stressful. Now a group of researchers in Korea provide evidence (Park et al. 2022) that mental health problems can be an important consequence of diagnosis with HCM. Methods The research team was led by Hyung-Kwan Kim of Seoul National University. These scientists compared the risk…

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Mavacamten Affects Diastolic Dysfunction

Background HCM patients commonly suffer from diastolic dysfunction (also called heart failure with preserved ejection fraction (HFpEF), or left-sided heart failure): their hearts do not fill adequately. As a result, even after septal reduction therapy (SRT: myectomy or alcohol septal ablation), some patients are quite symptomatic. Can mavacamten (Camzyos) help relieve their symptoms? Now a…

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Septal Myectomy Today

What’s the status of septal myectomy today? A recent review paper by an Expert Panel for the American Journal of Cardiology (Maron et al. 2022) concludes that “Surgical myectomy remains the time-honored primary treatment for hypertrophic cardiomyopathy patients with drug refractory limiting symptoms due to LV outflow obstruction.” One of the safest of heart procedures…

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Can HCM Patients Use Alcohol, Chocolate, & Coffee?

We hear many different claims about what HCM patients (or heart patients in general) should or shouldn’t eat and drink. This is a big topic, and for much of it, the science doesn’t have simple answers – at least not yet. But it turns out that there are some answers for three things that many people like (and many people won’t touch): wine, chocolate, and coffee.

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NYHA Class Categories

Doctors usually classify patients’ heart failure according to the severity of their symptoms. The table below describes the most commonly used classification system, the New York Heart Association (NYHA) Functional Classification1. It places patients in one of four categories based on how much they are limited during physical activity. In the HCM community, this NYHA…

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ACC: ORIGINAL INVESTIGATIONS Myosin Inhibition in Patients With Obstructive Hypertrophic Cardiomyopathy Referred for Septal Reduction Therapy

BACKGROUND Septal reduction therapy (SRT), surgical myectomy, or alcohol ablation, is recommended for obstructive hypertrophic cardiomyopathy (oHCM) patients with intractable symptoms despite maximal medical therapy but is associated with morbidity and mortality. OBJECTIVES This study sought to determine whether the oral myosin inhibitor mavacamten enables patients to improve sufficiently to no longer meet guideline criteria…

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Cardiac implantable device infections

The HCMA participated in an American Heart Association summit of more than 40 health care professionals to bridge gaps in awareness, detection, and appropriate treatment of cardiac implantable electronic device (CIED) infections.

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