Background Sickle cell disease (SCD) is a chronic debilitating illness. SCD-related complications result in substantial impairment in quality of life (QOL). Our study objective was to assess the relationship of participants' characteristics, QOL, hydroxyurea adherence, and SCD-related clinical outcomes in youth with SCD. Procedure A single-center cross-sectional study. Thirty-four youth with SCD enrolled from clinic between January and December 2015. Participants completed PROMIS® measures and ©Modified Morisky Adherence Scale. Results Participants had a mean age of 14.8 (SD 2.9) years and 41% were female. Participants' age correlated with fatigue (rs=0.48; P=0.006), pain (rs=0.32; P=0.07), and anxiety (rs=0.33; P=0.06) scores. Participants with chronic pain had worse upper extremity physical function (P=0.05), pain (P=0.04), anxiety (P=0.05), and depression (P=0.05). Males reported significantly higher hydroxyurea adherence (5.4 versus 3.6, P=0.02) compared to females. Participants with chronic pain had more frequent hospitalizations (P=0.02), emergency room visits (P=0.04), and longer total length of hospital stays over 12-month period (P=0.01). Conclusions Older and female participants had worse QOL scores, and males reported higher hydroxyurea adherence. Participants with chronic pain reported significant impairment in different QOL domains and had increased healthcare utilization. Future longitudinal studies examining the relationship between participants' characteristics, QOL, hydroxyurea adherence, and SCD-related clinical outcomes are needed.
BACKGROUND The deadliest mass shooting in modern United States history occurred on October 1, 2017, in Las Vegas, killing 58 and overwhelming hospitals with more than 600 injured. The scope of the tragedy offers insight into medical demands, which may help guide preparedness for future mass shooting incidents. METHODS Retrospective, deidentified, health care institution–provided data from all hospitals and blood banks providing care to Las Vegas shooting victims were gathered. Study authors independently reviewed all data and cross-referenced it for verification. Main outcomes and measures include the number of victims requiring hospital and intensive care admission, the amount and types of blood components transfused during the first 24 hours, and the amount of blood donated to local blood banks following the Las Vegas mass shooting. RESULTS Two hundred twenty patients required hospital admission, 68 of them to critical care. Nearly 500 blood components were transfused during the first 24 hours in a red blood cell–to–plasma–to–platelet ratio of 1:0.54:0.81. Public citizens donated almost 800 units of blood immediately after the shooting; greater than 17% of this donated blood went unused. CONCLUSIONS The amount of blood components transfused per patient admitted was similar in magnitude to other mass casualty events, and available blood supply met patient demand. The public call for blood donors was not necessary to meet immediate demand and led to resource waste. Preparation for future mass shooting incidents should include training the community in hemorrhage control, encouraging routine blood donation, and avoiding public calls for blood donation unless approved by local blood suppliers. LEVEL OF EVIDENCE Therapeutic study, level V.
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