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Heart. 2013 Aug;99(16):1166-72. doi: 10.1136/heartjnl-2012-303472. Epub 2013 Feb 7.

The use of anticoagulants in the management of atrial fibrillation among general practices in England.

Author information

1
1NHS Improvement-Heart, Leicester, UK. Campbell.cowan@leedsth.nhs.uk

Abstract

OBJECTIVES:

To investigate the use of oral anticoagulants (AC) and antiplatelet agents (AP) in the management of atrial fibrillation (AF) among patients in primary care in England.

DESIGN:

Epidemiological study.

SETTING:

1857 general practices in England representing a practice population of 13.1 million registered patients.

PATIENTS:

231,833 patients with a history of AF.

MAIN OUTCOME MEASURES:

The primary outcome was AC and AP use by CHADS2 score and age groups <30 years, 30-49 years, 50-64 years, 65-79 years and >79 years.

RESULTS:

231,833 patients with a history of AF were identified, giving a prevalence among uploading practices of 1.76%. Prevalence of AF varied markedly between practices, related to differing practice age profiles. The total number of patients with AF in a practice was strongly predicted by the number of patients aged 65 years and over in the practice. 57.0% of the AF population had a CHADS2 score ≥2 and 83.7%≥1. 114,212 (49.3%) patients received AC therapy. AC uptake increased with increasing CHADS2 score up to a score of 3, but thereafter reached a plateau. Among 132 099 patients with a CHADS2 score ≥2, 72,211 (54.7%) received an AC, 14 987(11.3%) were recorded as having a contraindication or having declined AC therapy, leaving 44,901 (34.0%) not on AC therapy and without a recorded contraindication or recorded refusal. Among patients not prescribed an AC, 79.9% were prescribed an AP. The use of AC declined in the elderly (for CHADS2 ≥ 2, 47.4% of patients ≥80 years, compared with 64.5% for patients aged <80 years, p<0.001). By contrast, AP uptake was more prevalent among elderly patients.

CONCLUSIONS:

Over one-third of patients with AF and known risk factors who are eligible for AC do not receive them. There is a high use of AP among patients not receiving AC. Uptake of AC is particularly poor among patients aged 80 years and over.

PMID:
23393083
PMCID:
PMC3717828
DOI:
10.1136/heartjnl-2012-303472
[Indexed for MEDLINE]
Free PMC Article
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