But the news is not all positive. Mortality rates still jumped markedly as patients transitioned from pediatric to adult care.
This reflects that young adults are getting lost to care, and then they’re presenting with acute, life-threatening complications.
We still need more emphasis on comprehensive lifetime sickle-cell care and the transition to adult clinics to improve mortality in young adults.
Researchers launched the analysis of sickle-cell mortality rates to update previously available data up to the year 2009, which showed improvements as current standard-of-care treatments were introduced. Updated numbers, she said, would reflect the influence of a rise in dedicated SCD clinics and a 2014 National Heart, Lung, and Blood Institute recommendation that all children with SCD be treated with hydroxyurea starting at 9 months.
For the study, colleagues analyzed mortality statistics from the period of 1979-2020 via a CDC database. They found that 5272 Black patients died of SCD from 2010 to 2020. The crude mortality rate was 1.1 per 100,000 Black people, lower than the 1.2 per 100,000 rate of 1999-2009 (P < .0001).
The researchers also found that from 2010 to 2020, the mortality rate jumped for patients in the 15-19 to 20-24 age group: It rose from 0.9 per 100,000 to 1.4 per 100,000, P < .0001).
The researchers also examined contributors to death other than SCD. In 39% of cases, underlying causes were noted: cardiovascular disease (28%), accidents (7%), cerebrovascular disease (7%), malignancy (6%), septicemia (4.8%), and renal disease (3.8%). The population of people with SCD is "getting older, and they’re developing a combination of both sickle-related chronic organ damage as well as non-sickle-related chronic disease.
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