Key result
NRD analysis evaluates prior 30-day hospitalizations in aortic dissection but reports no quantitative outcomes.
Why the study?
Misdiagnosis of aortic dissection is common, and whether there are missed opportunities for prevention is unknown.
Observational
Yes
This study aims to determine the rate and causes of hospitalizations in the 30 days preceding an admission for aortic dissection to identify potential missed diagnostic opportunities.
Aortic dissection (AD) is a catastrophic vascular disorder with an incidence between 0.61 and 7.2/100 000 people.1 In type A acute AD, surgery aims to prevent an aortic rupture by replacing the dissected aorta, without which this condition is fatal.2 Misdiagnosis of AD is common,3 and whether there are missed opportunities for prevention of AD is unknown. We used the US National Readmission Database (NRD), 2018 to 2020, to identify admissions with AD and determine whether there were admissions in the previous 30-day period. We determined the rate of prior admissions within 30 days of hospital admissions with AD and the causes of the previous hospitalizations based on International Classification of Disease Tenth Revision (ICD-10) codes. Descriptive statistics are presented, and multiple logistic regressions were performed to evaluate factors associated with prior admissions and the association between prior admission and mortality. The methods of this analysis are based on previous studies.4–6
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Kwok et al. (2026) conducted an observational in Aortic dissection. Prior hospital admission within 30 days vs. No prior hospital admission within 30 days was evaluated on Rate of prior admissions within 30 days of hospital admissions with aortic dissection and association with mortality. The abstract outlines a study using the US National Readmission Database to evaluate prior 30-day hospitalizations in patients with aortic dissection, but reports no quantitative results.
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