NCT02211456

An Assessment of Dual Site Left Ventricular Endocardial Pacing

Dual Site Left Endocardial Pacing for Cardiac Resynchronisation Therapy

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 15 (actual)
• Sponsor: Oxford University Hospitals NHS Trust · Academic / Other
• Sex: All
• Age: 60 Years – 85 Years
• Healthy volunteers: Not accepted

Summary

We are investigating ways to help patients with heart failure, which is caused by damaged hearts which function less well, and cause symptoms of breathlessness, fatigue, lack of energy and swelling. Cardiac Resynchronisation Therapy (CRT) pacemakers are used to improve the pumping function of the main heart chamber in certain suitable people with heart failure. CRT requires a pacemaker with 2 wires, one placed inside the right heart chamber and one normally placed on the outside of the left heart chamber. These two wires act together to re-time the coordination of the heartbeat, which is known to improve heart function. The investigators are assessing whether they might be able to improve heart function even more by placing two wires on the inside of the left heart chamber, rather than one around the outside. The investigators wish to assess whether: 1. Using two wires within the left side of the heart gives a greater increase in heart function than one. 2. It is possible to choose the best spot inside of the heart by measuring the pattern of the heart beat. 3. Is it possible to use a different type of heart monitor placed outside the body instead of a monitor wire inside the heart to assess improvement in heart function? They are investigating this in people with hearts that beat less effectively than normal.

Conditions

• Atrial Fibrillation
• Ventricular Tachycardia
• Heart Failure

Interventions

Type	Name	Description
PROCEDURE	Atrial Fibrillation/flutter (AF) or Ventricular Tachycardia (VT) ablation with multi-site pacing protocol	Pacing at several endocardial sites in isolation and individually will be performed, with response to this assessed by LV dp/dt max

Timeline

• Start date: 2014-12-01
• Primary completion: 2016-11-01
• Completion: 2016-11-01
• First posted: 2014-08-07
• Last updated: 2021-03-04
• Results posted: 2021-03-04

Locations

1 site across 1 country: United Kingdom