ECP Therapy for Long COVID

Many people recover from COVID-19 within a few weeks. However, a significant number of patients continue to experience lingering symptoms for months or even years after the initial infection. This condition is commonly referred to as Long COVID or Post-Acute Sequelae of SARS-CoV-2 (PASC).

As researchers learn more about Long COVID, treatments that improve circulation, vascular health, and oxygen delivery—such as Enhanced External Counterpulsation (EECP)—are being studied as potential therapies to help relieve persistent symptoms.

What Is Long COVID?

Long COVID refers to a range of symptoms that continue three months or longer after a COVID-19 infection, even after the initial illness has resolved.

Researchers have identified over 200 possible symptoms, though fatigue, brain fog, and severe exhaustion after physical activity are among the most commonly reported.

Common symptoms include:

  • Persistent fatigue or exhaustion

  • Shortness of breath

  • Brain fog or difficulty concentrating

  • Chest discomfort or heart palpitations

  • Headaches

  • Muscle or joint pain

  • Dizziness or exercise intolerance

  • Sleep disturbances

Because these symptoms often affect circulation, inflammation, and energy metabolism, many researchers believe Long COVID may involve vascular dysfunction and impaired microcirculation.

How Many People Are Affected by Long COVID?

Long COVID has become a significant public health issue in the United States.

According to data from the Centers for Disease Control and Prevention (CDC):

  • Approximately 1 in 13 U.S. adults (about 7.5%) currently experience Long COVID symptoms.

  • Nearly one in five people who had COVID-19 report lingering symptoms months later.

This translates to millions of Americans living with persistent symptoms that can affect their daily activities and quality of life.

How EECP Therapy May Help Long COVID Symptoms

Enhanced External Counterpulsation (EECP) is a non-invasive therapy designed to improve circulation throughout the body.

During treatment, inflatable cuffs placed on the legs rhythmically compress in sync with the heartbeat. This process increases blood flow back to the heart and improves circulation to vital organs and tissues.

EECP has several physiological effects that may address underlying issues associated with Long COVID:

  • Improves endothelial function (health of blood vessels)

  • Enhances microcirculation and oxygen delivery

  • Reduces vascular inflammation

  • Supports cardiovascular and autonomic function

Researchers believe these mechanisms may help relieve symptoms such as fatigue, shortness of breath, and exercise intolerance.

A clinical study evaluating patients with Long COVID found that those treated with EECP experienced significantly greater improvements in fatigue, breathing difficulty, and functional capacity compared with patients who did not receive treatment.

In that research, improvements in patient-reported outcomes included:

  • Reduced fatigue scores

  • Improved exercise capacity

  • Reduced shortness of breath

The study concluded that EECP may represent a promising low-risk therapy for individuals experiencing persistent Long COVID symptoms.