Acute Evaluation of the Safety of Left Ventricular-left Ventricular (LV-LV) Delays and Its Effects on Mechanical Dyssynchrony

The purpose of this study is to evaluate the effects of various LV-LV delays during multi-site left ventricular (MSLV) pacing on mechanical dyssynchrony in cardiac resynchronization therapy (CRT) patients post-implant.

Completed

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Key information

Conditions

Cardiac Resynchronization Therapy

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Schuchtermannklinik

Bad Rothenfelde, Germany

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Have an approved indication for a CRT implant
Undergoing or previously received the implant of a St. Jude Medical Promote Q 3221-36 CRT-D with a Quartet Model 1458Q LV lead at participating clinical study site
Ability to provide informed consent for study participation and be willing and able to comply with the prescribed evaluations

Exclusion criteria

Have persistent or permanent atrial fibrillation
Have an intrinsic heart rate of <50 beats per minute
Have Cheyne-Stokes breathing
Have undergone cardiac surgery or coronary revascularization procedure within 3 months prior to enrollment or be scheduled for such procedures
Have had a recent CVA or TIA within 3 months prior to enrollment
Be less than 18 years of age
Be pregnant

Sponsors and collaborators

Lead sponsor

Abbott Medical Devices

Industry

Registry information

Official study title

Acute Evaluation of the Safety of LV-LV Delays and Its Effects on Mechanical Dyssynchrony

Important dates

Study start: 2010
Primary completion: 2012
Study completion: 2012
First posted: Jan 8, 2010
Registry last updated: Jul 8, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed