Barriers to adherence to asthma management guidelines among inner-city primary care providers

Juan P Wisnivesky, Jessica Lorenzo, Richard Lyn-Cook, Thomas Newman, Adam Aponte, Elizabeth Kiefer, Ethan A Halm
Annals of Allergy, Asthma & Immunology 2008, 101 (3): 264-70

BACKGROUND: Health care provider adherence to national asthma guidelines is critical in translating evidence-based recommendations into improved outcomes. Unfortunately, provider adherence to the National Heart, Lung, and Blood Institute (NHLBI) guidelines remains low.

OBJECTIVE: To identify barriers to guideline adherence among primary care professionals providing care to inner-city, minority patients with asthma.

METHODS: We surveyed 202 providers from 4 major general medicine practices in East Harlem in New York, New York. The study outcome was self-reported adherence to 5 NHLBI guideline components: inhaled corticosteroid (ICS) use, peak flow (PF) monitoring, action plan use, allergy testing, and influenza vaccination. Potential barriers included lack of agreement with guideline, lack of self-efficacy, lack of outcome expectancy, and external barriers.

RESULTS: Most providers reported adhering to the NHLBI guidelines for ICS use (62%) and for influenza vaccinations (73%). Self-reported adherence was 34% for PF monitoring, 9% for asthma action plan use, and 10% for allergy testing. Multivariate analyses showed that self-efficacy was associated with increased adherence to ICS use (odds ratio [OR], 2.8; P = .03), PF monitoring (OR, 2.3; P = .05), action plan use (OR, 4.9; P = .03), and influenza vaccinations (OR, 3.5; P = .05). Conversely, greater expected patient adherence was associated with increased adherence to PF monitoring (OR, 3.3; P = .03) and influenza vaccination (OR, 3.5; P = .01). Familiarity with specific guideline components and higher level of training were also predictors of adherence.

CONCLUSIONS: Lack of outcome expectancy and poor provider self-efficacy prevent providers from adhering to national asthma guidelines. Efforts to improve provider adherence should address these specific barriers.


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