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  • Improved Mortality Rates in Elderly Patients Undergoing Craniotomy for Evacuation of Acute Subdural Hematomas

    Final Number:
    1269

    Authors:
    Christian Bowers MD; Andrew T. Dailey

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2011 Annual Meeting

    Introduction: Acute traumatic subdural hematomas have been reported to carry mortality rates of 80% in patients older than 55 years of age with functional survival rates quoted as low as 9% in patients older than 65 years.1 One early study cited a good recovery (GOS 4 or 5) rate as low as 8.9% for elderly patients suffering from traumatic acute subdural hematomas.2 Some studies have even cited 100% mortality rates for patients older than 80 years of age with acute subdural hematomas.1 We reviewed our experience with evacuation of traumatic acute subdural hematomas in patients older than 65 years of age from 2000-2010 as we had experienced different results than that widely reported in the literature.

    Methods: The authors retrospectively reviewed the cases of all elderly patients with traumatic acute subdural hematoma (ASDH) treated surgically at the University of Utah between 2000-2010. Patients were located using the OpCoder database and subsequently their demographic information, clinical presentation with Glascow Coma Score (GCS), and Glasgow Outcome Scale (GOS) at time of discharge were recorded and analyzed.

    Results: Twenty-nine patients with an average age of 76.6 years old (ranging 65-88 years old) went to the operating room for evacuation of a traumatic acute subdural hematoma from 2000-2010 at the University of Utah Hospital. Fifteen patients (51.7%) survived with meaningful outcome (GOS >3) at the time of discharge. Over half (8/15) were completely independent at discharge (GOS 5) while the other survivors (7/15) needed rehabilitation or further nursing care at discharge for recovery. Fourteen patients (48.3%) died as a result of their injuries. The patients with meaningful outcome had an initial GCS of 10.8 while the average GCS of the patients with a poor outcome was 6.5.

    Conclusions: Although increasing age has been demonstrated to be associated with worse outcomes in the evacuation of traumatic acute subdural hematomas in the elderly, there is often a misconception about the prognosis for these patients. We provide evidence for aggressively evacuating acute subdural hematomas in the elderly based partially upon initial GCS (>50% of patients with GOS 3,4, or 5).

    Patient Care: TThis research will improve patient care by educating the neurosurgical and medical community about the potential success in treating elderly patients with traumatic acute subdural hematomas. This research will provide evidence and a basis for being more aggressive in offering surgical evacuation of acute subdural hematomas to elderly patients, especially those with a higher GCS score.

    Learning Objectives: By the conclusion of this session, participants should be able to: 1) Describe the reported survival rates for evacuation of traumatic acute subdural hematomas in the elderly, 2) discuss the history of reported survival rates, 3) Educate other physicians with respect to prognosis for elderly patients with traumatic acute subdural hematomas based on presenting GCS.

    References: 1. Vyas NA, Chicoine MR. Extended survival after evacuation of subdural hematoma in a 102-year-old patient: case report and review of the literature. Surgical Neurology. 2007 Mar;67(3):314-6; discussion 317. Epub 2006 Oct 6. 2. Howard MA 3rd, Gross AS, Dacey RG Jr, Winn HR. Acute subdural hematomas: an age-dependent clinical entity. Journal of Neurosurgery. 1989 Dec;71(6):858-63.

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