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Ascending vs descending aortic dissections.

A Appelbaum, R B Karp, J W Kirklin

    Annals of Surgery
    |March 1, 1976
    PubMed
    Summary
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    Thoracic aortic dissection outcomes differ based on location. Acute ascending aortic dissection has high mortality with medical treatment, but surgery significantly improves survival. Descending dissection benefits from initial medical management followed by elective surgery.

    Area of Science:

    • Cardiovascular Surgery
    • Thoracic Surgery
    • Aortic Disease

    Background:

    • Spontaneous thoracic aortic dissection presents with varying clinical profiles.
    • Ascending and descending aortic dissections have distinct epidemiological and etiological characteristics.
    • Understanding these differences is crucial for effective patient management.

    Purpose of the Study:

    • To compare the clinical features and prognoses of ascending versus descending thoracic aortic dissections.
    • To evaluate the outcomes of medical and surgical treatments for acute aortic dissections.
    • To determine optimal management strategies for different types of thoracic aortic dissection.

    Main Methods:

    • Retrospective analysis of 108 patients with thoracic aortic dissection from 1966-1973.

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  • Categorization of patients into acute (78) and chronic (30) dissection groups.
  • Comparison of demographic data, hypertension incidence, and treatment outcomes between ascending and descending aortic dissection cohorts.

    • Main Results:

    • Patients with ascending aortic dissection were younger and had lower rates of hypertension compared to those with descending dissection.
    • Acute ascending aortic dissection had a high mortality rate (88%) with medical management, significantly reduced by surgery (24%).
    • Surgical intervention improved long-term survival for descending aortic dissection despite similar initial mortality rates between medical and surgical groups.

    Conclusions:

    • Ascending and descending thoracic aortic dissections exhibit distinct clinical profiles and prognoses.
    • Immediate surgical intervention is recommended for acute ascending aortic dissection due to high mortality.
    • Initial medical management followed by elective surgery is a viable option for acute descending aortic dissection.