Medication knowledge of patients hospitalized for heart failure at admission and after discharge

Abstract

BackgroundA substantial aspect of health literacy is the knowledge of prescribed medication. In chronic heart failure, incomplete intake of prescribed drugs (medication non-adherence) is inversely associated with clinical prognosis. Therefore, we assessed medication knowledge in a cohort of patients with decompensated heart failure at hospital admission and after discharge in a prospective, cross-sectional study.MethodsOne hundred and eleven patients presenting at the emergency department with acute decompensated heart failure were included (mean age 78.4±9.2, 59% men) in the study. Patients’ medication knowledge was assessed during individual interviews at baseline, course of hospitalization, and 3 months after discharge. Individual responses were compared with the medical records of the referring general practitioner.ResultsMedian N-terminal prohormone of brain natriuretic peptide plasma concentration in the overall population at baseline was 4,208 pg/mL (2,023–7,101 pg/mL [interquartile range]), 20 patients died between the second and third interview. The number of prescribed drugs increased from 8±3 at baseline to 9±3 after 3 months. The majority of patients did not know the correct number of their drugs. Medication knowledge decreased continuously from baseline to the third interview. At baseline, 37% (n=41) of patients stated the correct number of drugs to be taken, whereas only 18% (n=16) knew the correct number 3 months after discharge (P=0.008). Knowledge was inversely related to N-terminal prohormone of brain natriuretic peptide levels.ConclusionMedication knowledge of patients with acute decompensated heart failure is poor. Despite care in a university hospital, patients’ individual medication knowledge decreased after discharge. The study reveals an urgent need for better strategies to improve and promote the knowledge of prescribed medication in these very high-risk patients.

Age and education as factors associated with medication literacy: a community pharmacy perspective.

“…Our results also suggest that ML decreases as the age of clients increase, as mentioned by Lee YM et al (28). Another study showed that patients with limited health literacy have a signi cantly low understanding of the instructions on the label of medicine containers, and therefore a higher risk of having problems related to the medication (29).…”

Age and education as factors associated with medication literacy: a community pharmacy perspective.

“…Our results also suggest that ML decreases as the age of clients increase, as mentioned by Lee YM et al (27). Another study showed that patients with limited health literacy have a signi cantly low understanding of the instructions on the label of medicine containers, and therefore a higher risk of having problems related to the medication (28).…”

Knowledge mapping of medication literacy study: A visualized analysis using CiteSpace

“…Most patients did not know the number of drugs they were taking, and 3 months after discharge, only 18% of the patients correctly stated the number of drugs they were taking compared to 37% at baseline. 3 Professor Maniaci developed the Medication Literacy Questionnaire, which was specifically designed to assess medication literacy in inpatients. This tool is simple and convenient, and has good reliability and validity.…”