[Ankle brachial index: motivations, training, and practices among 165 general practitioners in Île-de-France].

Unlabelled: Peripheral arterial disease (PAD) is under-diagnosed despite its predictive value for cardiovascular mortality. The ankle brachial index (ABI), a simple reliable measure recommended by the French health authorities to detect and evaluate the severity of PAD, is used by too few general practitioners (GPs).
Objective: This study aimed at identifying motivations and barriers for using ABI in general practice.
Method: A representative, descriptive, cross-sectional survey was conducted amongst 165 GPs practicing in Île-de-France who were interviewed using stratified quotas.
Results: Although 1 out of 5 GPs considered ABI to be an irrelevant indicator, most had a favorable opinion about its use (OR: 4.9 [CI 95 %: 4.2-5.7]). Only 42 % (CI 95 %: 34 %-49 %) of GPs knew ABI was recommended by the health authorities. This information had a critical impact on the acceptance of ABI relevancy (OR: 3.7 [CI 95 %: 3.2-4.2]). Training reinforced acceptance (OR: 5.0 [CI 95 %: 4.4-5.6]) and pre-residency education provided a better understanding of ABI (OR: 2.8 [CI 95 %: 2.3-3.4]). Time needed to measure ABI was the main barrier (OR: 0.6 [CI 95 %: 0.6-0.7]). A Doppler-calculation kit (OR: 11.8 [CI 95 %: 8.9-15.6]), equipment cost≤300Euros (OR: 3.4 [CI 99 %: 3.0-3.9]), a specific fee in addition to the regular consultation fee (OR: 2.6 [CI 95 %: 2.3-3.0]) and inclusion of ABI in the GP's evaluation scheme (OR: 2.6 [CI 95 %: 2.3-2.9]) would motivate more GPs. Seven out of 10 GPs agreed that ABI has a positive impact on patient adherence to treatment and follow-up, but ABI remained underexploited for symptomatic patients (OR: 0.4 [CI 95 %: 0.3-0.4]).
Conclusion: Better communication and training together with an upgraded status for ABI would provide motivation for GPs to measure ABI.
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