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Clinical Trial Summary

The objective of this multicentre prospective therapeutic study is to evaluate the effects of CRT on the right and left ventricular function of patients with CHD in the medium and long term. Patients who reject the randomization or cannot be paced with right ventricular pacing alone will be enrolled in group C with continuous biventricular pacing, which is the main group in this study. Optional: Immediately after implantation the patients are divided into group A and B (randomized, single blind (for the patient), cross-over design).

The treatment and the completing follow-up examination will take approximately 18 months and includes seven visits - one previous to the CRT and six at certain times afterward. At selected time intervals echocardiographic 3D and Tissue Doppler Imaging to evaluate the global and regional ventricular function are performed. Subjective quality of life assessment (questionnaire) will also be performed at the defined follow-up intervals, and if applicable (optional) also objective assessment of the physical performance (VO2 max).

55 patients also including children and adults with CHD are planned to be included in the study. The main target is to provide evidence of the effectiveness of CRT with biventricular stimulation in terms of improved ventricular function (ejection fraction and QRS interval).


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00450684
Study type Interventional
Source Competence Network for Congenital Heart Defects
Contact
Status Completed
Phase Phase 2/Phase 3
Start date May 2007
Completion date September 2013

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