Identifying barriers to evidence-based care for sickle cell disease: results from the Sickle Cell Disease Implementation Consortium cross-sectional survey of healthcare providers in the USA.

Sickle cell disease (SCD) leads to chronic and acute complications that require specialised care to manage symptoms and optimise clinical results. The National Heart Lung and Blood Institute (NHLBI) evidence-based guidelines assist providers in caring for individuals with SCD, but adoption of these guidelines by providers has not been optimal. The objective of this study was to identify barriers to treating individuals with SCD. The SCD Implementation Consortium aimed to investigate the perception and level of comfort of providers regarding evidence-based care by surveying providers in the regions of six clinical centres across the USA, focusing on non-emergency care from the providers' perspective. Respondents included 105 providers delivering clinical care for individuals with SCD. Areas of practice were most frequently paediatrics (24%) or haematology/SCD specialist (24%). The majority (77%) reported that they were comfortable managing acute pain episodes while 63% expressed comfort with managing chronic pain. Haematologists and SCD specialists showed higher comfort levels prescribing opioids (100% vs 67%, p=0.004) and managing care with hydroxyurea (90% vs 51%, p=0.005) compared with non-haematology providers. Approximately 33% of providers were unaware of the 2014 NHLBI guidelines. Nearly 63% of providers felt patients' medical needs were addressed while only 22% felt their mental health needs were met. A substantial number of providers did not know about NHLBI's SCD care guidelines. Barriers to providing care for patients with SCD were influenced by providers' specialty, training and practice setting. Increasing provider knowledge could improve hydroxyurea utilisation, pain management and mental health support.

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Déclaration de conflit d'intérêts

Competing interests: JSH receives research funding support from Global Blood Therapeutics and is received consultancy fees from Bluebird Bio, Forma Therapeutics, and Global Blood Therapeutics; JG receives research funding support from Pfizer; AK owns stock in Magenta Therapeutics.