Impella: A Crucial Lifeline in Critical Care

     The heart is a vital organ that works tirelessly to deliver energy to every part of the body. However, during critical moments—whether from acute coronary artery disease or heart failure—a once-strong heart can weaken, failing to pump sufficient blood throughout the body. In the past, options to buy time and save lives were limited. Today, medical science has advanced to create an innovative “tiny personal assistant for the heart” known as ‘Impella’

Getting to Know “Impella,” a Mini but Mighty Technology

     Impella is a catheter-based ventricular support device (Percutaneous Microaxial Flow Pump). Its outstanding feature is its small size, allowing it to be inserted through a major artery in the groin or arm and placed into the left ventricle without the need for major surgery.

The Duties of “Impella”

• Functions as a miniature pump, directly pumping blood from the left ventricle into the aorta to be distributed to various organs throughout the body.
• Capable of pumping blood at high volumes up to 4.3 - 5.5 liters/minute, which is equivalent to or greater than the pumping capacity of a normal human heart, which functions around 3-5 liters/minute.

Working Principle: Letting the Heart “Rest” to “Recover”

     The core principle of the Impella is to give an exhausted heart muscle the opportunity to rest and recover by taking over the heart's workload temporarily. This device reduces the workload on the heart muscle's contractions, lowers myocardial oxygen consumption, and ensures thorough blood circulation to support the entire body.

Clinical studies show that a subset of critically ill patients supported by this technology experienced improved heart recovery rates, reduced complications from heart failure, and significantly increased survival rates among patients suffering from cardiogenic shock. (However, individual patient outcomes depend on the severity of the disease and overall medical status.)

Who Should Receive Assistance from Impella?

Medically, the requirements for using the Impella are divided into 3 primary clinical scenarios as follows:

1. Acute Cardiogenic Shock (Cardiogenic Shock)

     In cases where the heart's pumping capacity drops abruptly, causing a severe plunge in blood pressure and insufficient oxygen delivery to the body, the Impella step in to maintain blood pressure and enhance circulation during critical periods. This allows the heart muscle to gradually recover or prepares the patient for subsequent definitive treatments.

2. High-risk Percutaneous Coronary Intervention (High-risk PCI)

     For patients with complex, multi-vessel coronary artery disease or severely diminished baseline cardiac function, physicians may consider using the Impella to support cardiac function during balloon angioplasty or stenting. This prevents sudden blood pressure drops, mitigates the risk of complications, and significantly increases the safety of high-risk procedures.

3. Concomitant Use with ECMO (ECMELLA)

     In severe, critically ill patients requiring Extracorporeal Membrane Oxygenation (ECMO), integrating the Impella helps vent and decompress blood from the left ventricle. This reduces intra-cardiac pressures and wall tension, prevents thrombus formation, and effectively promotes myocardial recovery.

Versatility Tailored for Every Case

The Impella technology is designed in various models to address diverse therapeutic needs, whether utilized for:

• Catheter-based procedures: providing peak flow up to 4.3 liters per minute.
• Providing high support up to an average of 5.5 liters per minute: typically used in cases requiring support via a minimally invasive surgical approach.
• Targeted right ventricular support: to facilitate optimal blood pumping to the lungs.

The Crucial Need for Specialized Cardiologists

Despite being a highly effective technology, it may present risks such as:

• Bleeding at the catheter insertion site
• Infectious complications
• Impact on renal function

Therefore, treatment must be thoroughly evaluated, planned, and managed by a dedicated team of cardiovascular specialists alongside a highly skilled multidisciplinary team possessing explicit experience with this equipment, ensuring precise care and minimizing potential risks.

A Message from Our Physicians to Our Patients

     The introduction of Impella is not merely the adoption of a new medical device; it represents providing a "Chance" and restoring an excellent quality of life during critical, life-altering moments. We believe every second counts. Accessing cutting-edge technology coupled with compassionate care is the vital core that enables patients to safely return to a fulfilling life with their loved ones.

If you or your loved ones are facing risk factors related to cardiovascular disease or wish to consult on comprehensive medical pathways, you can call 1512 to schedule an appointment for timely evaluation and support from the specialized medical team at our Heart Center.