title: Improved symptoms, physical limitation, and self-efficacy after resynchronization in a patient with heart failure and a prolonged QRS duration.
abstract: This report examines the impact of resynchronization therapy in a patient with class IV heart failure and a prolonged QRS duration on electrocardiogram. The Kansas City Cardiomyopathy Questionnaire (KCCQ) was used to assess the patient's health status prior to, immediately after, and 2 months after placement of a biventricular pacemaker. B-type natriuretic peptide (BNP) values and electrocardiogram QRS duration were recorded to further document clinical status. Our patient experienced statistically significant improvements in 7 of 10 KCCQ domains after resynchronization. QRS duration narrowed following the procedure and BNP values decreased. Resynchronization therapy improved this patient's symptoms, physical limitations, and self-efficacy when maximal medical therapy failed.
authors.affiliation: University of Missouri-Kansas City and MidAmerica Heart Institute, St. Luke's Hospital, Kansas City, Missouri, USA.
authors.forename: Darcy G
authors.initials: DG
authors.lastname: Conaway
authors.forename: Robbie
authors.initials: R
authors.lastname: Sullivan
authors.forename: Peter A
authors.initials: PA
authors.lastname: McCullough
mesh_terms: D002304:Cardiac Pacing, Artificial; D006305:Health Status Indicators; D006329:Heart Conduction System / Q000503:physiopathology; D006333:Heart Failure / Q000097:blood / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D020097:Natriuretic Peptide, Brain / Q000097:blood; D011788:Quality of Life
chemical_list: D020097:Natriuretic Peptide, Brain