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

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Abbott

Status

Completed

Conditions

Cardiac Resynchronization Therapy

Study type

Observational

Funder types

Industry

Identifiers

NCT01044784
60028011

Details and patient eligibility

About

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.

Enrollment

73 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Have an approved indication for a CRT implant
  2. 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
  3. Ability to provide informed consent for study participation and be willing and able to comply with the prescribed evaluations

Exclusion criteria

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

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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