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Related Experiment Videos

Early intracranial operations for ruptured aneurysms.

S Hori, J Suzuki

    Acta Neurochirurgica
    |January 1, 1979
    PubMed
    Summary

    Early surgery for saccular aneurysms improved survival rates. While operative mortality decreased significantly by 1975, postoperative vasospasm remained a challenge for surgeries performed 3-7 days post-rupture.

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    Area of Science:

    • Neurosurgery
    • Neurology
    • Vascular Surgery

    Background:

    • Saccular aneurysms can lead to subarachnoid hemorrhage, a critical neurological event.
    • The timing of surgical intervention after subarachnoid hemorrhage is a key factor influencing patient outcomes.
    • Intracranial procedures are employed to manage ruptured saccular aneurysms.

    Purpose of the Study:

    • To evaluate the impact of surgical timing on operative mortality and survival quality in patients with saccular aneurysms.
    • To analyze trends in surgical outcomes for intracranial procedures performed within 14 days of subarachnoid hemorrhage.
    • To identify challenges and improvements in early-stage aneurysm surgery.

    Main Methods:

    • Retrospective analysis of 320 patients undergoing intracranial surgery for saccular aneurysms between June 1961 and September 1975.
    • Patients were grouped based on the interval between subarachnoid hemorrhage and surgery (within 7 days vs. 8-14 days).
    • Mortality rates and quality of survival were compared across different surgical timing groups.

    Main Results:

    • Overall operative mortality was 10.6%, with higher rates for surgery within 7 days (18.9%) compared to 8-14 days (4.0%).
    • By 1975, mortality approached zero for surgeries within 48 hours and 8-14 days due to patient selection and surgical advancements.
    • Surgery within 7 days resulted in better survival quality, though the 3-7 day interval group faced challenges with postoperative vasospasm.

    Conclusions:

    • Early surgical intervention for saccular aneurysms, particularly within 48 hours, can be safe and effective with improved techniques and patient selection.
    • While delayed surgery (8-14 days) showed lower mortality, early surgery (within 7 days) offered better survival quality.
    • Postoperative vasospasm remains a significant concern for early-stage surgeries (3-7 days) and requires further management strategies.

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