UMC Heart Center introduced a technique to treat arrhythmias during open-heart surgery, DKnews.kz reports.
On April 29, 2025, specialists from the UMC Heart Center, in collaboration with an invited proctor, implemented a cryoablation technique to treat arrhythmia during open-heart surgeries. As part of the master class, three surgeries were performed, with participation of specialists from various regions of Kazakhstan. In addition to the practical component, the event included lectures on current issues and training sessions using simulators.
Such complex surgical interventions are performed when patients are diagnosed with severe cardiovascular pathologies requiring simultaneous multiple procedures. Specifically, when the primary surgery aims to correct a heart defect or restore blood flow, an additional minimally invasive intervention may be needed to address cardiac rhythm disturbances.
The cryoablation technique is based on applying a cold effect on the cells of the heart tissue. It is particularly effective during valve replacement surgeries when there is a risk of developing concomitant arrhythmias. A specialized catheter, inserted through an artery, freezes problem areas of the heart tissue. This selectively disconnects damaged cells from the cardiac conduction system, eliminating arrhythmia foci.
“According to international clinical guidelines, combining radiofrequency and cold exposure yields the most promising results in treating arrhythmias,” noted Muradym Murzagaliyev, head of the Cardiac Surgery Department at the UMC Heart Center and a cardiac surgeon. “Moving forward, we plan to expand the practice of such surgeries and develop the Center as a transfer hub for this technology for regional medical institutions.”
The use of cryoablation in open-heart surgeries opens new possibilities for treating persistent forms of atrial fibrillation. This helps to reduce the risk of stroke and progression of heart failure, significantly improving the quality and life expectancy of patients.
