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  • Diastolic Dysfunction
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Diastolic Dysfunction and Pulmonary Hypertension

  • Overview
  • Symptoms & Diagnosis
  • Treatment

What Is Diastolic Dysfunction?

Every time a healthy heart pumps oxygen-rich blood from the lungs into the rest of the body, it goes through two phases — a contracting or pumping phase (called systolic function) and a relaxing phase (called diastolic function).

When the muscles of the heart become stiff, they can't relax properly, creating a condition known as diastolic dysfunction. This inflexibility prevents the heart's ventricles from filling completely, causing blood to back up in the organs.

Diastolic dysfunction is a significant cause of pulmonary hypertension (increased blood pressure in the lung).

Diastolic dysfunction causes

Aging is the most common cause of this stiffening of the heart. In fact, it's estimated that more than 50% of adults of over the age of 70 have diastolic dysfunction.

Other causes include:

  • High blood pressure
  • Uncontrolled diabetes
  • Kidney dysfunction and
  • Some cancers and genetic disorders, in rare cases

Diastolic Dysfunction Symptoms and Diagnosis

Diastolic dysfunction symptoms

Diastolic heart dysfunction often creates the same array of symptoms that are found in other types of heart failure and cardiopulmonary diseases, including:

  • Shortness of breath with exertion that gets progressively worse
  • Excessive fatigue
  • Fluid retention in the lower extremities or abdomen (edema)

Diastolic dysfunction diagnosis

It's easy to dismiss these symptoms as part of "normal aging." Talk to your doctor whenever you experience these kinds of symptoms.

An ultrasound of your heart known as an echocardiogram can confirm a diagnosis of diastolic dysfunction.

Diastolic Dysfunction Treatment

Our doctors in the UPMC Comprehensive Pulmonary Hypertension Program take a cross-disciplinary approach to care; They work closely with cardiologists, cardiac surgeons, and other experts within the UPMC Heart and Vascular Institute.

By collaborating with physicians in other areas of specialty, we can properly diagnose diastolic dysfunction as a cause of pulmonary hypertension and find the right treatments to help improve your quality of life and sustain your independent lifestyle.

There is no cure for diastolic heart dysfunction, but the symptoms can be managed.

Treatment options for diastolic heart dysfunction

We work with patients to pursue a full range of treatment options, including:

  • A Healthy Lifestyle — this includes maintaining a healthy weight, eating a balanced diet that's low in salt and getting regular cardiovascular exercise, either on your own or as part of a cardiac rehabilitation program.
  • Medications — water pills can often help to alleviate the edema that is caused by diastolic dysfunction, and other medications can help to treat underlying medical problems like high blood pressure, diabetes or other heart conditions such as atrial fibrillation.
  • Left Ventricular Assist Devices (LVAD) — UPMC cardiologists have been on the leading edge of LVAD treatment since the technology was introduced in the 1980s, and have been leaders in improving the technology since then. These implantable devices pump blood into the body just as a healthy heart would, either as a "bridge" while waiting for a heart transplant or as a permanent valve replacement.
  • Heart Transplant — in rare cases, a heart transplant may be considered as a treatment for diastolic dysfunction. Our physicians are leading experts in heart transplantation as part of the UPMC Thomas E. Starzl Transplantation Institute, a nationally regarded center of excellence in transplantation.

Schedule an Appointment

To schedule an appointment with the UPMC Comprehensive Pulmonary Hypertension Program team, call toll-free at
1-877-PH4-UPMC, or email PHprogram@upmc.edu.​​

Follow the beat for a healthier life. Read our blog posts:

  • What Is a Ventricular Assist Device (VAD)?​
  • What Is Pulmonary Hypertension?

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