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Cardiomyopathy
Living with HCM
Family history
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Cardiomyopathy
Living with HCM
Family history
Login
Home
Cardiomyopathy
Living with HCM
Family history
Login
Home
Cardiomyopathy
Living with HCM
Family history
Login
Home
Cardiomyopathy
Living with HCM
Family history
Login

The most common cardiomyopathies

There are several types of cardiomyopathy, each with its own causes and characteristics. All forms of this disease target the heart muscle, making the heart pump less effective. The most common types are hypertrophic cardiomyopathy (HCM), characterised by thickening of the heart muscle, and dilated cardiomyopathy, where the heart stretches and weakens.

What's going on in the heart in case of HCM?

The heart...

The heart is a vital organ that acts as a pump to send blood flowing around the body. Understanding how it works will enable you to be more aware of the signs of your disease.

The right side of the heart receives oxygen-depleted blood from the body through the veins and pumps it to the lungs to absorb oxygen and release carbon dioxide. The left side of the heart receives oxygenated blood from the lungs and pumps it around the body via the arteries. This vital process ensures that the body receives the oxygen it needs to function.

Every day, the heart pumps about 8,000 liters of blood.Maron MS, et al. N Engl J Med. 2003;348(4):295-303.

To do this, it needs to be well-relaxed so that the chambers can fill properly with blood.

...in the case of hypertrophic cardiomyopathy (HCM) ?

In the case of hypertrophic cardiomyopathy (HCM), the thick, stiff walls of the heart do not allow it to relax properly and fill with blood as it should.

...in the case of obstructive hypertrophic cardiomyopathy (oHCM)?

The problem is mainly in the left ventricle of the heart. Normally, the latter is responsible for propelling oxygenated blood to the rest of the body via the aorta. However, the thickened wall of the heart partially blocks blood flow. The heart must then work harder and use more energy, which can cause symptoms such as shortness of breath, fatigue and chest pain.

1/500

It is estimated that 1 in 500 adults have HCM.Maron MS, et al. N Engl J Med. 2003;348(4):295-303.

Most patients diagnosed have oHCM.Batzner A, et al. Int. 2019 Jan 25;116(4):47-53.

group
CMH

The heart affected by HCM may have difficulty pumping blood through the body

CMHo

In the case of oHCM, an obstruction of blood flow is observed.

Let's take a closer look at what’s going on:

oHCM, what should I expect?

Although it can sometimes be completely asymptomatic, the symptoms most often observed in cases of oHCM include shortness of breath, increased fatigue, chest pain, fainting or dizziness and irregular heartbeat. These symptoms can vary from one person to the next.

symptomes

People with oHCM may experience symptoms that are not listed here.

Do not hesitate to talk to your cardiologist about any symptoms you are experiencing.

Only a cardiologist can determine whether these symptoms are indeed related to oHCM or another condition. Symptoms can often be similar to those of other diseases.

What are the possible complications?

The extensive research on the treatment of oHCM highlights the importance of the medical support we want to provided to individuals affected by this condition.

Although its impact on health is serious, it is important to note that each case can be managed with care, allowing most people to live relatively normally. Potential complications include heart failure, atrial fibrillation, and more rarely, strokes (cerebrovascular accidents) and sudden cardiac arrest.

Statistics to keep an eye on

22 to 43% of people with HCM are likely to develop heart failure.Ho CY, et al. Circulation. 2018;138(14):1387-1398 Luiten RC, et al. Open Heart. 2016;3(2):e000488 They are up to six times more likely to develop atrial fibrillationZaiser E, et al. J Patient Rep Outcomes. 2020;4(1 ):102 and strokes occur up to eight times more frequently.Ammirati E, et al. EurJ Heart Fail. 2016;18(9):1106-1118Sudden cardiac arrest, fortunately rare (~1% of patients), occurs more often in younger patients.Ho CY, et al. Circulation. 2018;138(14):1387-1398 Cox Set al. Heart. 1997;78(2):182-187It is reassuring, however, to know that stabilization strategies and treatments are available.