Temporary Transvenous Pacemaker Placement by Intracavitary Electrocardiogram Monitoring

Overview

Traditional temporary pacing catheter insertion by intracavitary electrocardiogram (IC-ECG) monitoring which only monitoring tip polar, the negative one. The investigators modified the technique by monitoring both negative and positive polar which will be precisely locating catheter tip and indicating the direction of the catheter tip. Extensively used temporary pacing catheter tip has two electrodes which are about 1 cm apart. Distal electrode is negative (-) and active, proximal electrode is positive (+) and indifferent. Investigators use both distal (-) and proximal (+) electrodes which can be attached to any two of the V leads, record as V(-) and V(+). Monitoring positions of the electrodes by V(-) and V(+) could provide more information about the tip position. Comparing the QRS amplitudes between V(-) and V(+), when catheter tip enters right ventricle chamber: the case of V(-) > V(+) infers tip toward apex ventricle wall ; conversely, the case of V(-)<V(+) indicates tip directs to outflow tract. The investigators hypothesis this monitoring will help precisely placement.

Full Title of Study: “Bedside Precise Temporary Transvenous Cardiac Pacemaker Placement by Intracavitary Electrocardiogram Monitoring”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: December 31, 2021

Interventions

  • Procedure: Temporary transvenous cardiac pacing
    • Transvenous temporary pacemaker insertion by modified IC-ECG monitoring.

Arms, Groups and Cohorts

  • Non-floating catheter
    • When using non-floating catheter.
  • Floating catheter
    • When using floating catheter.

Clinical Trial Outcome Measures

Primary Measures

  • Pacer leads location
    • Time Frame: One day.
    • Satisfy location is in the apex of the right ventricle.
  • Catheter-related complications
    • Time Frame: One month.
    • Pacing catheter related complications: tip dislocation caused pacemaker malfunction, myocardial injury, perforation, death.

Secondary Measures

  • Other complications
    • Time Frame: One month.
    • Complications not relate to pacing catheter.

Participating in This Clinical Trial

Inclusion Criteria

  • Patients with indication of temporary transvenous pacing Exclusion Criteria:

  • Not applicate to IC-ECG monitoring.

Gender Eligibility: All

Minimum Age: 14 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Hunan Provincial People’s Hospital
  • Provider of Information About this Clinical Study
    • Principal Investigator: Meng Liu, Attending physician – Hunan Provincial People’s Hospital
  • Overall Official(s)
    • Xiaotong Han, MD, Study Director, Hunan Provincial People’s Hospital
  • Overall Contact(s)
    • Meng Liu, MD, +8615084858606, 183578012@qq.com

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