| Summary: | Introduction: Diabetes mellitus is a known risk factor for heart failure (HF); nevertheless, many HF patients remain undiagnosed. The National Institute for Health and Care Excellence in England updated their HF guidelines in 2018, replacing the use of fasting plasma glucose with glycated hemoglobin (HbA1c), in suspected HF investigation. This audit aimed to assess this update's uptake at a general practice partnership in Colchester, England. Materials and Methods: The audit cycle consisted of a two-round electronic record search, for approximately 29,000 patients registered at the partnership. From November 1, 2017 to November 1, 2018 for the first round and from November 1, 2018 to March 6, 2019 for the second round, patients who had their NT pro-brain natriuretic peptide levels measured for the initial investigation of suspected HF were included in the study. Interventions put in place after the first round included an oral presentation and an illustrated guide for the general practitioners (GPs). Results: One hundred and ten patients, 19 in cycle 1 and 91 in cycle 2, were identified and included in the analysis. At the first round, only 31.6% of the patients had their HbA1c level measured, while 36.8% had no diabetic investigation done. At the second round, the percentage of patients who had their HbA1c level assessed increased to 59.3%. A decrease from 36.8% of patients without diabetic status assessment to 20% was observed. Conclusions: Lack of awareness among GPs regarding this guideline update was identified and simple interventions achieved an increase in the guideline's uptake. Regular and complete audit cycles can help GPs adhere to up-to-date guidelines. Primary care can help other organizations such as pathology laboratories keep up to date with guidelines, while primary care technology can be amended in-house to help adherence to new guidelines. We recommend the National UK Heart Failure Audit considers auditing the use of HbA1c testing in inpatients investigated for new HF.
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