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  • Title: Impact of telehealth visits on hydroxyurea response in sickle cell anemia.
    Author: Shaner S, Hilliard L, Howard T, Pernell B, Bhatia S, Lebensburger J.
    Journal: Pediatr Blood Cancer; 2021 Dec; 68(12):e29354. PubMed ID: 34532949.
    Abstract:
    BACKGROUND: It is important to ensure access to hydroxyurea (HU) for patients with sickle cell anemia (SCA) living in rural areas. The University of Alabama at Birmingham (UAB) Pediatric Sickle Cell program's satellite clinics reduce the barrier of transportation to the university-based clinic. However, as compared with the university clinic, these satellite clinics do not offer immediate access to HU dosing laboratory results and a nurse clinician calls families with HU dose adjustments after the clinic visit. This study evaluated the impact of telehealth dosing adjustments on HU laboratory and clinical response as compared with university-based patients. METHODS: A one-year retrospective chart review was performed to evaluate HU laboratory and clinical response based on clinic location and socioeconomic status for patients with SCA. We identified the number of clinic and acute care visits for one year and calculated the mean complete blood count and fetal hemoglobin (HbF) values for each patient. RESULTS: We identified 107 academic center participants with SCA-prescribed HU and 65 satellite clinic participants. The mean age of participants was 11 ± 5 years. We identified no difference in HbF (13.3 ± 0.7 vs 11.7 ± 0.8, P = 0.13), Hb (8.46 ± 1.1 vs 8.55 ± 1.1, P = 0.59), mean corpuscular volume (91.0 ± 10.6 vs 91.7 ± 9.5, P = 0.67), or absolute neutrophil count (4.85 ± 2.3 vs 4.87 ± 2.3, P = 0.95) when comparing Birmingham versus satellite clinics. We also identified no difference in hospital admissions (0.99 ± 0.1 versus 0.85 ± 0.2, P = 0.49), based on clinic location. CONCLUSIONS: The use of telehealth did not negatively impact laboratory response to HU. Future studies should identify novel approaches to improve access to HU among patients with SCA living in rural areas.
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