Julie K Weisman1, Carrie E Diamond1, Sarah Kappa1, Robert Sheppard Nickel2. 1. Divison of Hematology, Children's National Health System, Washington, DC. 2. Divison of Hematology, Children's National Health System, Washington, DC; George Washington University School of Medicine and Health Sciences, Washington, DC. Electronic address: rnickel@childrensnational.org.
Abstract
OBJECTIVE: To evaluate adherence to annual transcranial Doppler ultrasound (TCD) screening to prevent stroke among patients with sickle cell anemia (SCA) seen in the emergency department (ED). STUDY DESIGN: This retrospective chart review included patients with SCA seen at a large pediatric ED over 64 weeks. Patients who did not need a TCD (age <2 or ≥16 years, on chronic transfusions, history of an inadequate TCD) or were not followed at the study institution were excluded. Patients who had received a TCD in the last 12 months (TCD adherent) were compared with patients who had not (TCD nonadherent). RESULTS: During the study period, 257 patients with SCA in need of an annual TCD were identified and 63 patients (25%) had not received an annual TCD, including 19 patients (7%) who had never had a TCD. All TCD adherent patients had a clinic visit in the last year compared with 75% of TCD nonadherent patients, P < .0001. The mean interval time since the last hematology clinic appointment from the ED encounter was greater for the TCD nonadherent group: 70 vs 270 days, P < .0001. Demographics including markers of socioeconomic status were not significantly different between the 2 groups. CONCLUSIONS: Patients with SCA who present to the ED and are nonadherent to TCD screening guidelines are less likely to have had a recent hematology clinic visit. Future interventions to improve screening for stroke in SCA should target this patient population seen in the ED but not clinic.
OBJECTIVE: To evaluate adherence to annual transcranial Doppler ultrasound (TCD) screening to prevent stroke among patients with sickle cell anemia (SCA) seen in the emergency department (ED). STUDY DESIGN: This retrospective chart review included patients with SCA seen at a large pediatric ED over 64 weeks. Patients who did not need a TCD (age <2 or ≥16 years, on chronic transfusions, history of an inadequate TCD) or were not followed at the study institution were excluded. Patients who had received a TCD in the last 12 months (TCD adherent) were compared with patients who had not (TCD nonadherent). RESULTS: During the study period, 257 patients with SCA in need of an annual TCD were identified and 63 patients (25%) had not received an annual TCD, including 19 patients (7%) who had never had a TCD. All TCD adherent patients had a clinic visit in the last year compared with 75% of TCD nonadherent patients, P < .0001. The mean interval time since the last hematology clinic appointment from the ED encounter was greater for the TCD nonadherent group: 70 vs 270 days, P < .0001. Demographics including markers of socioeconomic status were not significantly different between the 2 groups. CONCLUSIONS:Patients with SCA who present to the ED and are nonadherent to TCD screening guidelines are less likely to have had a recent hematology clinic visit. Future interventions to improve screening for stroke in SCA should target this patient population seen in the ED but not clinic.
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