New cardiac pump which is clinically superior and safer for patients reduces the risk of stroke, bleeding and near elimination of pump thrombosis.

‘A new cardiac pump which is clinically superior and safer for patients reduces the risk of stroke, bleeding and near elimination of pump thrombosis.’
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"Our results should spur confidence that we now have a much more forgiving pump and should provide reassurance to clinicians that we do not need to wait until a patient is 'near death' to consider this option for our patients."Read More..





MOMENTUM 3, sponsored by Abbott Inc., compared Abbott's HeartMate 3™ left ventricular assist system, a magnetically-levitated, continuous centrifugal-flow circulatory pump, to the HeartMate II™, a commercial axial flow pump. The trial evaluated how many participants, two years after receiving their device, had not suffered a disabling stroke or had an operation to replace or remove a malfunctioning device.
A total of 1,028 patients were randomized to receive either the centrifugal flow pump or the axial flow pump. The team found that 397 patients (76.9 percent) in the centrifugal-flow pump group did not experience a disabling stroke or need a re-operation compared to 332 (64.8 percent) in the axial-flow pump group. Only 12 people who received the centrifugal-flow pump needed a re-operation compared to 57 patients who received the axial pump. The centrifugal-flow pump reduced the risk of stroke by 58 percent, major bleeding by 36 percent and gastrointestinal hemorrhage by 36 percent. Infection rates and rates of right heart failure were no differences between the two groups.
MOMENTUM 3 launched in 2014 and was designed to reduce the overall timeline for clinical trials dramatically. All patients with refractory heart failure who needed a cardiac pump were eligible for the trial, regardless of whether the pump was intended as a bridge to transplantation or destination therapy. Based on the study's first interim analysis at six months, the HeartMate 3™ was approved in 2017 by the FDA for use as a short-term device, such as for a bridge to transplantation. Last fall, supported by the second interim results of MOMENTUM 3, the pump was approved by the FDA as a long-term use device, such as for patients with advanced heart failure who are not eligible for a heart transplant.
The HeartMate 3™ includes several technological adaptations intended to reduce the risk of complications. The fully magnetically levitated device runs like a bullet train its rotor has no mechanical bearings in it and pushes the blood using only magnetism. It is designed to reduce shear stress and destruction of blood elements as they pass through the pump, which is thought to cause blood clots to form in pumps.
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"Until now, these devices have been considered less cost-effective, which has been a big issue outside of the U.S.," said Mehra. "Our evidence shows a decreased need for hospitalization and re-operations, indicating that the centrifugal-flow pump may be much more cost-friendly in the longer term."
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Source-Eurekalert