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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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Related Experiment Video

Updated: Jun 14, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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The Loop Technique in Cardiac Resynchronization Therapy: A Prospective Cohort Study.

Mengya Dong1, Chenyuan Liang1, Gong Cheng2

  • 1Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, Xi'an, People's Republic of China.

International Journal of General Medicine
|September 2, 2024
PubMed
Summary

The loop technique offers a safe and effective solution for managing left ventricular lead dislocations during cardiac resynchronization therapy (CRT). This 5-year study confirms its reliability in CRT procedures.

Keywords:
cardiac resynchronization therapyleft ventricular leadloop techniquenew techniquerepeated intraoperative dislocations

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Area of Science:

  • Cardiology
  • Medical Devices
  • Surgical Techniques

Background:

  • Cardiac resynchronization therapy (CRT) is crucial for heart failure management.
  • Intraoperative left ventricular (LV) lead dislocations can complicate CRT implantation.
  • The loop technique was developed to address these dislocations.

Purpose of the Study:

  • To evaluate the 5-year safety and effectiveness of the loop technique for intraoperative LV lead dislocations during CRT.
  • To compare outcomes between the loop technique and traditional methods.

Main Methods:

  • A prospective cohort study included 44 patients undergoing CRT implantation.
  • Patients were divided into traditional operation (n=36) and loop technique (n=8) groups.
  • Data collected included demographics, medical history, and echocardiography; 5-year follow-up was conducted.

Main Results:

  • No significant differences in 5-year mortality, cardiac function, or LV lead parameters were observed between groups.
  • The loop technique group showed no lead dislocations or CRT-related complications.
  • No significant changes in LV lead threshold or impedance were noted within the loop technique group over time.

Conclusions:

  • The loop technique is a safe and effective strategy for managing repeated intraoperative LV lead dislocations during CRT.
  • It presents an ideal solution for improving CRT implantation success rates.