Evaluation of a brief educational intervention to improve knowledge of sublingual nitroglycerin in cardiac rehabilitation patients

Publication Type:
Journal Article
Citation:
European Journal of Cardiovascular Nursing, 2013, 12 (6), pp. 529 - 535
Issue Date:
2013-12-01
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Objective: This study aimed to evaluate the impact of a brief educational intervention delivered in cardiac rehabilitation (CR) on patients knowledge of sublingual nitroglycerin (SLN). Methods: Patients (n=86) commencing CR were provided with a brief educational intervention tailored to deficits identified in an assessment of SLN knowledge using the Sublingual Nitroglycerin Questionnaire, with reassessment at the end of program completion (68 weeks). Results: The mean age of patients was 64.95 years (standard deviation (SD) 10.87); 74% were male, 78% were married and 60% had not completed high school. Most (70%) had no prior coronary heart disease (CHD) history and 80% had been referred to CR following percutaneous coronary intervention. SLN knowledge scores increased from baseline to outcome. Patients were significantly more likely to know: the name of their SLN medication (11% increase, p=0.001), the recommended timing between doses (29% increase, p=0.02), the maximum number of doses (27% increase, p=0.005), to have SLN on their person at the time of the interview (25% increase, p<0.001) and to know the interaction between SLN and sildenafil (36% increase, p=0.001). The independent predictors of SLN knowledge included having better knowledge at baseline (β=0.28) and having consulted a general practitioner post discharge and before commencing CR (β=1.48). Conclusion: A brief standardised knowledge intervention, individually tailored to identified deficits in a knowledge screen and delivered during CR, shows promise for improving patient knowledge of SLNs. The role of general practitioners in delivering medication education needs further investigation. © 2013 The European Society of Cardiology.
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