Study start date is on Nov 27th 2024. A patient with an initial ejection fraction (EF) of less than 40%, whose follow-up shows an improvement to an EF of 50% or higher, along with the left ventricular end-diastolic diameter returning to the normal range and taking 3 more heart failure medication randomed to drug tapering group ( RAS blocker or beta blocker) or continuing medication group.
Patients described above randomly assigned to drug tapering group and drug maintaining group. Drug tapering group is 2 groups, which one is RAS blocker tapering group and others is beta blocker tapering group. Drug tapering group is monitored ejection fraction, LV dimension and LV GLS by 1-3 month.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
150
RAS blocker tapering out
Beta blocker tapering out group
Jeonbuk national university hospital
Jeonju, Jeollabuk-do, South Korea
RECRUITINGChungnam national university hospital
Daejeon, Republic of Korea, South Korea
RECRUITINGHeart failure relapse
LVEF 10% drop, EF less than 50 %, LVIDd/BSA 10% increase, over 33mm/m\^2
Time frame: From enrollment to the end of treatment at 18 months
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