ECG shows sinus tachycardia, ST-T changes.

Given the patient's poor cardiac function accompanied by acute heart failure, severe stenosis at the origin of the left main coronary artery, and subtotal occlusion in the proximal right coronary artery, the risk of traditional PCI surgery is extremely high.Director Shao ChunlaiRapidly take the lead in organizing multidisciplinary consultations involving specialized teams from the Department of Cardiology, Cardiac Surgery, Critical Care Medicine, Anesthesiology, and Vascular Surgery to deeply discuss treatment plans.

After evaluation by the team, traditional surgical procedures were found to be too invasive for the patient to tolerate, and a PCI procedure alone would very likely lead to circulatory collapse. Therefore, mechanical circulatory support was required to ensure effective and stable circulation during the operation. The team ultimately devised a precise plan."Complex High-Risk PCI in Coronary Heart Disease Supported by Extra VAD (CHIP-PCI)"Plan, to support the smooth progress of the surgery and enhance its safety.

The MoyoAssist applied this time^®Extra VAD^®Developed by magAssist, it is a short-term mechanical circulatory support device that is independently innovated in China.Full Magnetic Levitation TechnologyPrecisely meets clinical needs, becoming a key support for maintaining circulation stability during extremely high-risk PCI procedures. Its technological highlights are deeply aligned with the demands of critical cardiovascular care: The device drives the impeller through a magnetically levitated motor to achieve non-contact suspension and rotation, relying on centrifugal force for efficient blood drainage and perfusion, providing support both during the procedure...Partially or completely replace the heart's pumping function, constructing a "temporary power source" for patients with circulatory failure; and with its frictionless suspension design, significantly reducing the risks of hemolysis and thrombosis caused by traditional mechanical contact, demonstrating remarkable blood compatibility. Meanwhile, MoyoAssist^®Can provide30 Days of Ventricular External Mechanical Circulatory Support, buying precious time for the recovery of the patient's heart function or subsequent long-term replacement therapy.

InDirector Shao ChunlaiUnder the overall coordination,Director Team of Li Hui, Gu Haibo, Yu Xiaobin, and Zou QinhuaSmooth Completion of Catheter Placement and Device Activation in the Cath Lab: Under digital subtraction angiography (DSA), the venous catheter was inserted into the left atrium via a percutaneous puncture through the femoral vein-right atrium-atrial septum-left atrium pathway, and the arterial catheter was placed via a percutaneous puncture of the femoral artery. The entire catheterization process was performed smoothly, quickly, and progressed without issues. After the external tubing was successfully connected to the arterial and venous catheters, MoyoAssist^®It started immediately and operated well throughout the entire process, successfully creating a safe and stable circulatory environment for subsequent complex high-risk PCI surgeries.

During the surgery, MoyoAssist^®Extra VAD^®Providing stable circulatory support throughout the procedure, delivering approximately 2L/min of flow support, which increased the patient's mean arterial pressure by 10mmHg compared to pre-operation. Under the full "protection" of the device, the patient's blood pressure and heart rate remained consistently stable.

Director Team of Li Hui and Gu HaiboPrecisely controlling the surgical rhythm according to the preset plan: first addressing the sub-total occlusion lesion in the proximal right coronary artery, then focusing on the critical challenge of severe stenosis at the left main ostium, methodically completing the vascular recanalization and drug-eluting stent implantation. During the procedure of handling the severe stenosis at the left main ostium, the patient's circulation was steadily maintained with the support of the device. Ultimately, the surgery successfully achieved complete revascularization of the left main and right coronary arteries, utilizing the domestically produced extracorporeal ventricular assist device MoyoAssist.^®The reliable performance provided a solid guarantee for this complex and high-risk interventional treatment.

Postoperatively, the patient was transferred to the Cardiac Care Unit (CCU) for continued treatment.Director Zhu Jing's TeamUnder精细化诊疗与护理, the patient's cardiac function showed a gradual improvement: left ventricular systolic function significantly improved compared to pre-operation; symptoms such as chest tightness, shortness of breath, and restricted activity disappeared; cardiac injury and heart failure markers such as troponin T and BNP steadily decreased to within normal range; chest CT indicated that the cardiac silhouette reduced in size and bilateral pleural effusion was absorbed. After systematic cardiac rehabilitation treatment, the patient has successfully recovered and been discharged.

The success of this surgery not only relied on the mature multidisciplinary collaboration model of Suzhou University Affiliated Second Hospital but also benefited from the rich clinical experience of the cardiovascular intervention team, the vascular access support from the vascular surgery department, and the meticulous catheter care provided by the CCU team.