AI Article Synopsis
- This study examines the frequency, outcomes, and factors related to aortic reinterventions after surgical repair of acute type A aortic dissection from 2010 to 2021.
- Out of 601 patients analyzed, 11.8% required reinterventions, with a cumulative incidence of 16% after 10 years, typically occurring around 4 years post-surgery.
- Analysis revealed that while the reinterventions had a low operative mortality rate of 5.6%, they did not significantly affect long-term survival rates among patients.
Article Abstract
Background: This study reports the incidence, outcomes, and risk factors for aortic reinterventions after repair of acute type A aortic dissection (ATAAD).
Methods: This was an observational study of aortic operations from 2010 to 2021. All patients with ATAAD undergoing open aortic arch reconstruction were included. Patients were dichotomized by the need for reintervention, which included reinterventions proximal to or distal to the index aortic repair. Propensity matching was used to determine the impact of reintervention on long-term outcomes. The cumulative incidence function for reintervention was estimated, and multivariable Fine-Gray analysis was performed to identify variables associated with reintervention, with death treated as a competing event.
Results: We identified 601 patients undergoing surgery for ATAAD. An aortic reintervention was required in 71 (11.8%), comprising a proximal reintervention in 12 patients, a distal reintervention in 56, and both in 3. The cumulative incidence of reintervention was 11.6% (95% CI, 8.9%-14.6%) at 5 years and was 16.0% (95% CI, 12.2%-20.3%) at 10 years, with a median time to reintervention of 4.0 years (interquartile range, 0.9-7.5 years). Multivariable analysis using the Fine-Gray method showed no operative variables were associated with reinterventions. Among the 71 reinterventions, there were 4 (5.6%) operative deaths. After propensity matching, there was no difference in Kaplan-Meier survival estimates across each group (P = .138 by log-rank statistics).
Conclusions: The cumulative incidence of aortic reintervention after ATAAD repair was reasonably low (16% at 10 years), reinterventions were relatively safe (6% operative mortality), and reinterventions did not significantly impact long-term survival.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11317993 | PMC |
| http://dx.doi.org/10.1016/j.athoracsur.2023.11.014 | DOI Listing |
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