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Cardiac Resynchronization Therapy (CRT): A Lifesaving Treatment for Heart Failure

Cardiac Resynchronization Therapy (CRT) is an advanced treatment for specific cases of heart failure. This specialized medical procedure aims to enhance the heart’s pumping efficiency by synchronizing the contractions of its chambers. CRT is often referred to as biventricular pacing and is particularly beneficial for patients experiencing heart failure with a reduced ejection fraction or a conduction abnormality, such as a Left Bundle Branch Block (LBBB). At TX Hospitals, one of the leading heart hospitals in Hyderabad, we provide expert care with a focus on precision and patient-centric solutions.

How Does CRT Work?

CRT involves implanting a specialized pacemaker or a defibrillator that delivers electrical impulses to both ventricles. This process, called biventricular pacing, ensures the ventricles contract in a synchronized manner. CRT works by correcting the timing and coordination of the heart’s contractions:

  • Implantation of Leads and Device: Thin wires, called leads, are inserted into the heart’s chambers through a vein. These are connected to a CRT device, which is implanted under the skin near the collarbone or abdomen.
  • Delivery of Electrical Impulses: The CRT device monitors the heart’s electrical activity and delivers timed electrical impulses to synchronize the contractions of the ventricles.
  • Improved Heart Function: This synchronized contraction improves the heart’s efficiency, increasing cardiac output and reducing symptoms.

Steps Involved in CRT Procedure

  1. Preoperative Preparation
  • Comprehensive Evaluation: Before the procedure, the patient undergoes a detailed evaluation, including medical history review, echocardiography, and ECG to assess heart function.
  • Fasting and Medication Adjustments: Patients are instructed to fast for a specified period and adjust medications as advised by the doctor.
  • Informed Consent: The healthcare provider discusses the risks and benefits, and the patient signs a consent form.
  1. During the Procedure
  • Anaesthesia: Local anaesthesia with sedation or general anaesthesia is administered.
  • Lead Placement: Leads are inserted through veins and guided into the right atrium, right ventricle, and coronary sinus vein of the left ventricle.
  • Device Implantation: The CRT device is placed in a small pocket created under the skin, typically near the collarbone.
  • Testing: The device’s settings are tested to ensure optimal synchronization of the heart chambers.
  1. Postoperative Care
  • Observation and Recovery: Patients are monitored in a recovery area for a few hours.
  • Wound Care: The incision site is kept clean and dry to prevent infection.
  • Activity Restrictions: Strenuous activities and heavy lifting are avoided for several weeks.

Benefits of CRT

  1. Improved Cardiac Function: CRT restores synchronization between the heart’s ventricles, enhancing pumping efficiency.
  2. Symptom Relief: Patients often experience a significant reduction in symptoms like fatigue and breathlessness.
  3. Enhanced Exercise Tolerance: CRT increases physical activity capacity, improving overall quality of life.
  4. Reversal of Ventricular Remodelling: Over time, CRT can reverse adverse changes in the heart’s size, shape, and function.

Indications for CRT

CRT is recommended for patients with:

  • Heart failure with reduced ejection fraction 
  • Persistent symptoms despite optimal medical therapy
  • Specific conduction abnormalities, like Left Bundle Branch Block

CRT Recovery: What to Expect

Once at home, follow your healthcare provider’s advice to ensure proper healing and device functionality:

  • Activity Restrictions: Avoid lifting, straining, or stretching the arm on the side of the device for 4–6 weeks.
  • Wound Care: Keep the incision clean and dry, and monitor for signs of infection like redness or swelling.
  • Diet and Lifestyle: Resume a heart-healthy diet and avoid habits like smoking.

Long-term Instructions:

  • Regular Device Monitoring: Schedule follow-ups to ensure the device is functioning properly. Many CRT devices allow for remote monitoring.
  • Magnetic Field Safety: Avoid strong magnetic fields from industrial equipment or certain electronic devices.
  • Electronic Device Usage: Keep cell phones and smart devices at least 6 inches away from the CRT device. Avoid carrying electronics in your chest pocket.

Lifestyle Changes After CRT

Patients undergoing CRT can maximize its benefits by adopting a heart-healthy lifestyle:

  • Diet: Focus on fruits, vegetables, lean proteins, and whole grains. Limit salt and saturated fats.
  • Exercise: Engage in regular, moderate-intensity activities approved by your doctor.
  • Medication Adherence: Take prescribed medications without fail.
  • Quit Smoking: Smoking negatively impacts heart health and can reduce the efficacy of CRT.
  • Manage Stress: Practice relaxation techniques to reduce stress levels.
  • Follow-Up Care: Attend all scheduled check-ups to monitor device performance and heart health.

Why Choose TX Hospitals for CRT?

At TX Hospitals, we offer world-class care for Cardiac Resynchronization Therapy. Our team of skilled cardiac electrophysiologists and interventional cardiologists ensures precision in every procedure. Our facility is equipped with advanced medical technology, ensuring optimal outcomes for patients.

Key Features:

  • Expert surgical team specializing in CRT implantation.
  • Comprehensive pre- and postoperative care.
  • Advanced imaging and diagnostic facilities.
  • Personalized treatment plans tailored to each patient.

Take Control of Your Heart Health

If you’re seeking world-class care for heart failure, TX Hospitals is here to help. Schedule a consultation with a leading heart specialist in Hyderabad and learn how CRT can transform your life.

FAQs About Cardiac Resynchronization Therapy (CRT)

CRT is a treatment for heart failure that uses a device to synchronize the heart’s chambers, improving its pumping efficiency and relieving symptoms.

Patients with heart failure, reduced ejection fraction, and conduction abnormalities like LBBB may benefit, especially if medications aren’t effective.

Leads are implanted in the heart to deliver electrical impulses. A CRT device is placed under the skin, ensuring the heart chambers beat in sync.

Full recovery can take several weeks. Patients should avoid strenuous activities and follow all post-procedure care guidelines for optimal healing.

Adopt a heart-healthy diet, quit smoking, stay active with doctor-approved exercises, and attend regular follow-ups to monitor device function.

At TX Hospitals, expert heart specialists in Hyderabad deliver personalized CRT care using advanced facilities, ensuring optimal outcomes for heart failure patients.

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