Comparative effectiveness of surgery for traumatic acute subdural hematoma

Essen, T.A. van

A traumatic acute subdural hematoma, a bleeding between the skull and the brain after a traumatic injury, is associated with high mortality and long-term neurocognitive morbidity. One of the age-old cornerstones of treatment is immediate neurosurgical management, with either acute hematoma evacuation or initial conservative treatment with potential delayed surgery. In patients with rapid neurological deterioration because of a large acute subdural hematoma, the indication is clear; without acute surgery, high intracranial pressure will persist and the patient will die. In most cases however, the benefit of acute surgery is less clear, and patients may, at least initially, be managed conservatively. This strategy requires balancing potential complications of surgery against the risk of irreversible neurological deterioration with initial conservative treatment.Neurosurgeon Thomas van Essen first shows that appropriate evidence of acute surgery versus conservative treatment for...Show moreA traumatic acute subdural hematoma, a bleeding between the skull and the brain after a traumatic injury, is associated with high mortality and long-term neurocognitive morbidity. One of the age-old cornerstones of treatment is immediate neurosurgical management, with either acute hematoma evacuation or initial conservative treatment with potential delayed surgery. In patients with rapid neurological deterioration because of a large acute subdural hematoma, the indication is clear; without acute surgery, high intracranial pressure will persist and the patient will die. In most cases however, the benefit of acute surgery is less clear, and patients may, at least initially, be managed conservatively. This strategy requires balancing potential complications of surgery against the risk of irreversible neurological deterioration with initial conservative treatment.Neurosurgeon Thomas van Essen first shows that appropriate evidence of acute surgery versus conservative treatment for acute subdural hematoma is lacking, although among comatose patients, acute surgery has a clear benefit. Subsequently, he demonstrates that among neurosurgeons treatment preferences strongly and consistently differ, resulting in large practice variations. Using these treatment preferences, he then shows that patients treated in centers that prefer acute surgery (over conservative treatment) have equal outcomes to patients treated in centers that prefer conservative treatment. Additionally, with regard to surgical technique, primary decompressive craniectomy - leaving the bone flap out after evacuation of the acute subdural hematoma - might not lead to better outcomes as compared to craniotomy – replacing the bone flap directly. The thesis has practical implications for clinical practice: When the neurosurgeon has no clear preference for acute surgery or conservative treatment, treat patients with a traumatic acute subdural hematoma conservatively. And, primary decompressive craniectomy in traumatic acute subdural hematoma should be restricted to patients in whom replacement of the bone flap is not possible due to severe brain swelling.Show less

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Comparative effectiveness of surgery for traumatic acute subdural hematoma

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