Zheng 2009.

Methods	Two‐arm, individual, RCT
Participants	76 older people with diastolic heart failure
Interventions	Carvediol versus routine treatment
Outcomes	Unknown
Notes	Chinese language paper. With translator

EF: ejection fraction

EHT: essential hypertension

HF: heart failure

RCT: randomised controlled trial

LVEF: left ventricular ejection fraction

GRK2: G protein‐coupled receptor kinase 2

mRNA: messenger RNA

COPD: chronic obstructive pulmonary disease

NYHA: New York Heart Association functional Classification of heart failure

QoL: quality of life