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Hyperbaric Oxygen Therapy Improves Myocardial Function, Finds New Study

March 16, 2020 // 3 min read
Stethoscope on Fabric

Researchers in Israel have linked hyperbaric oxygen therapy (HBOT) to improvements in heart function.

Information about the effect of hyperbaric oxygenation on echocardiographic parameters in asymptomatic patients is limited, so Dr. Marina Leitman, head of the echocardiography unit and non-invasive cardiology service at Israel’s Shamir Medical Center, along with several other colleagues, conducted a study to learn more. The results, detailed in their paper “The Effect of Hyperbaric Oxygenation Therapy on Myocardial Function,” published in the January 2020 edition of The International Journal of Cardiovascular Imaging, found HBOT has beneficial effects on myocardial function—the heart’s ability to contract as a muscle. 

According to Dr. Alan Katz, medical director of Hyperbaric Medical Solutions, this analysis proves HBOT can be used effectively to improve long-term heart function.

“It is well known that hyperbaric oxygen has effects on the cardiac system and hemodynamics, however this paper clearly shows us that hyperbaric oxygen improves the heart's ability to contract,” he says. “This allows the heart to perform better!”

There have been multiple trials about the effects of HBOT on patients with symptomatic heart-related conditions. A 2001 study found hyperbaric oxygen pretreatments could work as  preventative measures for reperfusion injuries in the heart—tissue damage caused by returning blood after a period lacking oxygen. A second, in 2018, showed hyperbaric oxygen therapy improved blood flow in ischemic areas—those with blood supply restrictions to tissues—among patients with peripheral arterial occlusive disease

Leitman’s study examines the effects of hyperbaric oxygen therapy on healthy, aging patients with normal cardiac functions.


“It is well known that hyperbaric oxygen has effects on the cardiac system and hemodynamics, however this paper clearly shows us that hyperbaric oxygen improves the heart's ability to contract,”


Shai Efrati, co-author and director of the Sagol Center for Hyperbaric Medicine and Research at Shamir Medical Center—one of the largest hyperbaric treatment centers in the world— explained the significance of such findings, announcing: “As we age, a decrease in mitochondrial function occurs throughout the body, impacting the functionality of organs, including the heart. For the first time in humans, using our HBOT protocol, we have demonstrated the possibility of heart functionality improvement in healthy, aging people. The results of this study are in accordance with other studies demonstrating that HBOT can improve mitochondrial function."

In the study, 31 mostly male patients underwent 60 sessions of hyperbaric oxygen therapy to improve cognitive impairment. Asymptomatic conditions among these included 94 percent with hypertension, 42 percent suffering diabetes mellitus, and 39 percent reporting a history of coronary artery disease. 

Echocardiography exams were performed before and after each course of hyperbarics. The results showed ejection fraction—the amount of blood pumped by the left ventricle—increased, while left ventricular end systolic volume—post-contraction blood volume—decreased.

“Hyperbaric oxygen therapy appears to improve left ventricular function, especially in the apical segments, and is associated with better cardiac performance,” it concluded. “If our results are confirmed in further studies, HBOT can be used in many patients with heart failure and systolic dysfunction.”

“A study on a larger and more diverse cohort is recommended to further evaluate the effect of HBOT on cardiac function,” explained the authors in the aforementioned statement. “Nevertheless, these observations are intriguing, and we believe—original, and should be further pursued.”

Click here to learn more about hyperbaric oxygen therapy and its many benefits. Contact us for more information. 

Hyperbaric Medical Solutions

Written by Hyperbaric Medical Solutions

Hyperbaric Medical Solutions is a free-standing, independent medical practice, providing hyperbaric oxygen therapy (HBOT). HBOT is an advanced healing therapy that treats conditions that benefit from increased oxygen concentration and absorption in the body....

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