• World Neurosurg · Jan 2020

    The Role of Stabilization-free Microsurgical Decompression in the Surgical Treatment of Spinal Metastases.

    • Mareike Müller, Yousef Abusabha, Hans-Jakob Steiger, Athanasios Petridis, and Richard Bostelmann.
    • Department of Neurosurgery, University Medical Center Duesseldorf, Duesseldorf, Germany.
    • World Neurosurg. 2020 Jan 1; 133: e498-e502.

    ObjectiveSymptomatic spine metastases are found in about 10% of patients with cancer. As the long-term survival of patients with carcinoma rises, the number of patients with symptomatic spine metastases is also increasing. In our tertiary referral center, patients usually present rapidly progressive neurologic disorders, which require an urgent treatment decision. Treatment options include extensive 360° stabilizations. These complex interventions are not always readily available. We examined the extent to which the patient population benefited from decompressive surgery without stabilization. We hypothesize that patients benefit from merely dorsal decompression, which preserves stability when they experience symptomatic spine metastases.MethodsWe performed a retrospective analysis of electronic patient data from 19 patients, who were treated for symptomatic spine metastases by hemilaminectomy between 2009 and 2017. We evaluated the preoperative and postoperative neurologic functions using the American Spinal Injury Association (ASIA) Impairment Scale. A comparative literature analysis was carried out to assess the Spinal Neoplastic Instability Score, Tokuhashi score, and Tomita score.ResultsNine participants had prostate cancer, 4 had mammary carcinoma, 3 had bronchial carcinoma, and 3 had other cancers. The median preoperative ASIA score was C, postoperatively, the score significantly improved to D (sign test P = 0.002). None of the patients needed stabilization within the follow-up period of up to 56 months.ConclusionsIn our patient population, minimal intervention could significantly improve neurologic disorders. This outcome was seen over the whole study period. Even though different scoring systems suggest stabilization, our results show that spinal decompression alone might be indicated as well.Copyright © 2019 Elsevier Inc. All rights reserved.

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