Why the study?
While the incidence of abdominal aortic aneurysm is falling, it was unclear whether population-based incidences of acute type A and B aortic dissection have changed over time.
Population
Citizens in Malmo, Sweden, diagnosed with aortic dissection in 2000-2004 and 2014-2016
Comparison
Diagnosis in 2000-2004 vs 2014-2016
Design
Population-based register study
Key result
Population-based incidences of acute type A and B aortic dissection were stable over time, though the overall autopsy rate declined from 25.2% in 2000–2004 to 16.1% in 2014–2016 (p=0.0001).
Authors
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Stable Swedish incidences of acute aortic dissection despite declining autopsies support continued diagnostic vigilance; leaves open potential underdiagnosis.
Observational
No
Population-based incidences of acute type A and B aortic dissection remained stable over time in Sweden, though a decreasing autopsy rate has led to fewer cases diagnosed post-mortem.
Acosta et al. (2019) conducted an observational in Acute type A and B aortic dissection. Time period 2014-2016 vs. Time period 2000-2004 was evaluated on Incidence of aortic dissection subtypes over time. Population-based incidences of acute type A and B aortic dissection were stable over time, though the overall autopsy rate declined from 25.2% in 2000–2004 to 16.1% in 2014–2016 (p=0.0001).