Study Raises Questions About Safety of New Heart Pump

Several research centers, including Cleveland Clinic, find the risk of blood clot formation in the Heartmate II pump may be higher than first reported.

Left ventricular assist devices (LVADs) are mechanical pumps that are implanted in the heart when the heart can no longer pump blood effectively throughout the body. Theyre used for individuals waiting for a heart transplant or for more long-term situations when a patient with heart failure is not a good candidate for a transplant.
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