Risk factors for proximal and distal aortic events after type A acute aortic dissection.
Anastomotic new entry
Aortic dissection
False lumen diameter
Predictors of aortic events
Journal
General thoracic and cardiovascular surgery
ISSN: 1863-6713
Titre abrégé: Gen Thorac Cardiovasc Surg
Pays: Japan
ID NLM: 101303952
Informations de publication
Date de publication:
17 Sep 2024
17 Sep 2024
Historique:
received:
15
07
2024
accepted:
27
08
2024
medline:
17
9
2024
pubmed:
17
9
2024
entrez:
17
9
2024
Statut:
aheadofprint
Résumé
Type A acute aortic dissection (TAAAD) is a life-threatening condition often requiring emergency surgery, with approximately 30% of patients needing reoperation. This study aimed to identify predictors of long-term aortic events from early postoperative computed tomography (CT) examinations. A total of 336 cases underwent TAAAD surgery at two institutions between 2002 and 2018. Of these, 302 patients received CT examinations immediately after initial TAAAD surgery. Predictors of aortic events were evaluated from these early postoperative CT exams. Aortic events were defined as any events involving aortic-related death, open surgery, reoperation, endovascular stenting, or thoracic aorta diameter enlargement to ≥ 55 mm. Excluding 34 in-hospital deaths (10.1%; 34/336), the 1-, 5-, and 10-year actuarial survival rates after primary TAAAD surgery were 98.2%, 88.6%, and 81.7%, respectively. Over a mean follow-up period of 7.4 ± 5.1 years, 67 aortic events (proximal: 19, distal: 45, both: 3) were observed. Freedom from proximal aortic events was 98.6%, 93.9%, and 85.2% at 1, 5, and 10 years, respectively. Proximal anastomosis new entry was identified as a significant risk factor for aortic events, with a 92% vs. 42% incidence at 10 years (p < 0.001). Freedom from distal aortic events was 99.6%, 84.5%, and 67.2% at 1, 5, and 10 years, respectively. A false/true area ratio greater than 1 and distal anastomosis new entry were significant risk factors for aortic events (low-risk group: 83.3% vs. high-risk group: 42.3% at 10 years, p < 0.001). Detailed analysis of early postoperative CT scans following primary TAAAD surgery may help identify predictors of subsequent aortic events, potentially improving long-term patient management and outcomes.
Identifiants
pubmed: 39287769
doi: 10.1007/s11748-024-02077-z
pii: 10.1007/s11748-024-02077-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024. The Author(s), under exclusive licence to The Japanese Association for Thoracic Surgery.
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