Quality of Life Outcomes Following Resection of Adult Intramedullary Spinal Cord Tumors.

Quality of Life Outcomes Following Resection of Adult Intramedullary Spinal Cord Tumors.

Neurosurgery. 2015 Nov 20;

Authors: Xiao R, Miller JA, Abdullah KG, Lubelski D, Mroz TE, Benzel EC

Abstract
BACKGROUND: Intramedullary spinal cord tumors are rare but clinically significant entities. Resection is critical to prevent permanent neurological deficits. However, no studies have investigated the quality of life (QOL) benefit of resection in adults.
OBJECTIVE: To investigate QOL outcomes after intramedullary spinal cord tumors resection.
METHODS: A consecutive retrospective review of all patients who underwent intramedullary spinal cord tumors resection at a single tertiary care institution between January 2008 and December 2013 was conducted. QOL was measured by the EuroQol 5-Dimensions (EQ-5D), Pain Disability Questionnaire (PDQ), and Patient Health Questionnaire-9. Multivariable regression was used to identify independent predictors of outcomes.
RESULTS: Among 45 patients, the most common pathology was ependymoma (60%). No significant changes between preoperative and postoperative EQ-5D, PDQ, or Patient Health Questionnaire-9 were observed. Improvements exceeding the minimal clinically important difference occurred in 28% of patients in EQ-5D, 28% in PDQ, and 16% in Patient Health Questionnaire-9. Worse preoperative neurological status predicted worsened EQ-5D (β = -0.09, P = .04) and PDQ (β = 20.77, P < .01), while ependymomas predicted QOL improvement exceeding the minimal clinically important difference in PDQ (OR 14.98, P = .04) and approached significance in EQ-5D (OR 43.52, P = .06). Conversely, cervical tumors predicted worsened PDQ (β = 18.32, P < .01) and failure to achieve EQ-5D minimal clinically important difference (OR <0.01, 95% CI <0.01-0.65, P = .02). Postoperative complications, such as syrinx formation (β = -0.09, P = .04) and cerebrospinal fluid leak (β = 13.85, P = .04), predicted diminished improvement in EQ-5D and PDQ, respectively.
CONCLUSION: Although resection did not significantly improve QOL, it is likely necessary to arrest QOL deterioration. Patients with better preoperative neurological status or ependymoma experienced QOL improvement, while postoperative complications negatively impacted long-term QOL.
ABBREVIATIONS: EQ-5D, EuroQol 5-DimensionsGTR, gross total resectionIMSCT, intramedullary spinal cord tumorsMCID, minimal clinically important differenceMMS, Modified McCormick ScalePDQ, Pain Disability QuestionnairePHQ-9, Patient Health Questionnaire-9POD, plane of dissectionQOL, quality of lifeSSI, surgical site infection.

PMID: 26600282 [PubMed - as supplied by publisher]

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