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Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
Cardiomyopathy V: Interprofessional Care01:29

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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...

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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
06:10

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Published on: June 12, 2021

Exchange techniques for implantable ventricular assist devices.

Igor D Gregoric1

  • 1Center for Cardiac Support, Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas, USA.

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|January 22, 2008
PubMed
Summary

Implantable left ventricular assist device (LVAD) exchanges are becoming more frequent due to longer support times. Prompt planning and specific procedural details are crucial for successful LVAD replacement in patients with device failure or infection.

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Published on: February 28, 2012

Area of Science:

  • Cardiology
  • Medical Devices
  • Surgical Procedures

Background:

  • Implantable left ventricular assist devices (LVADs) are increasingly used for long-term patient support, driven by extended transplant waiting lists and destination therapy. Longer device implantation periods necessitate procedures for component failure or intractable device-related infections.
  • The growing prevalence of LVADs for advanced heart failure management highlights the need for efficient and safe device management strategies.

Purpose of the Study:

  • To outline the critical considerations and procedural steps for performing timely and effective left ventricular assist device (LVAD) exchanges.
  • To provide detailed surgical guidance for various LVAD exchange scenarios, including same-device and cross-device replacements.
  • To emphasize the importance of preoperative optimization and intraoperative monitoring during LVAD exchange procedures.

Main Methods:

  • Review of clinical practice and surgical techniques for LVAD exchange procedures.
  • Description of preoperative patient stabilization, including medical management and diagnostic workup (e.g., echocardiography, coagulation correction).
  • Intraoperative management strategies, emphasizing continuous transesophageal echocardiography, hemodynamic monitoring, and minimizing support to prevent air embolism.

Main Results:

  • Successful LVAD exchange requires meticulous planning based on patient condition, prior device, and intended replacement device. Preoperative stabilization and intraoperative monitoring are key.
  • Specific exchange pathways are detailed, including Jarvik 2000 to Jarvik 2000, HeartMate (VE or XVE) to HeartMate (VE or XVE), HeartMate (VE or XVE) to HeartMate II, and HeartMate II to HeartMate II.
  • Most patients requiring exchange due to pump failure are in good condition, facilitating successful surgical intervention.

Conclusions:

  • LVAD exchange procedures are essential for managing device complications and ensuring continued patient support. The frequency of these exchanges is expected to rise.
  • Careful preoperative assessment, optimization, and precise intraoperative execution are paramount for successful LVAD exchange outcomes.
  • Standardized protocols and detailed procedural knowledge are vital for managing the increasing number of LVAD exchanges in patients with advanced heart failure.