Three Year Outcome of Cardiac Resynchronization Therapy: A Single Center Evaluation
Why the study?
Does cardiac resynchronization therapy improve long-term clinical outcomes and device performance in patients with drug-refractory heart failure?
Population
40 consecutive patients with drug-refractory moderate to severe heart failure due to ischemic or idiopathic…
Design
Cohort
Follow-up
3 years (36 months)
Authors
Discussion
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Member takes
Implication
May support long-term CRT use in refractory HF; extends observational data to 3 years but leaves open RCT confirmation.
Structured PICO
Does cardiac resynchronization therapy improve long-term clinical outcomes and device performance in patients with drug-refractory heart failure?
P
Population
40 consecutive patients with drug-refractory moderate to severe heart failure due to ischemic or idiopathic dilated cardiomyopathy
I
Intervention
Cardiac resynchronization therapy (CRT)
O
Outcome
Long-term clinical outcome (New York Heart Association functional class, 6-minute walking test, quality of life) and device performancepatient reported
Cardiac resynchronization therapy provides sustained improvements in functional class, exercise capacity, and quality of life over 3 years in patients with drug-refractory heart failure.
Cite This Study
Ståhlberg et al. (2005) studied this question.