Spontaneous speech in patients with gliomas in eloquent areas: Evaluation until 1 year after surgery

Publication date: Available online 13 February 2018
Source:Clinical Neurology and Neurosurgery
Author(s): Djaina Satoer, Arnaud Vincent, Leonie Ruhaak, Marion Smits, Clemens Dirven, Evy Visch-Brink
ObjectiveGlioma patients often complain about problems in daily conversation with a negative impact on quality of life. Disorders in standardized language tests (e.g. naming and fluency), are frequently observed. Most studies claim recovery of language functions within 3 months. However, long-term effects of surgery on spontaneous speech remain unknown.Patients and MethodsEighteen glioma patients were compared to healthy controls in spontaneous speech variables: Type Token Ratio (TTR), Mean Length of Utterance words (MLUw), Incomplete Sentences, Self-corrections and Repetitions. Boston Naming Test (BNT) and Category Fluency (CF) were also assessed. We compared: pre- and 3 months postoperatively (T1-T2), 3 months and 1 year postoperatively (T2-T3), pre- and 1 year postoperatively (T1-T3). Correlations were computed between deviating variables and BNT/CF, tumor localization, and tumor grade.ResultsPatients had deficits in Incomplete sentences (T1, T2, T3), TTR (T2,T3), MLUw (T3) and Self-corrections (T2). Between T1-T2 no decline was present. Between T2-T3 and T1-T3, there was a decrease of MLUw, Self-corrections and Repetitions and an increase of Incomplete Sentences, BNT and CF were impaired (T1, T2, T3) without differences between test-moments. Most spontaneous speech variables did not correlate with standardized tests. Tumor localization and grade had no influence on spontaneous speech.ConclusionGlioma patients showed impaired spontaneous speech combined with naming and fluency deficits. Surgery appeared to have deteriorated the quality of spontaneous speech until long-term but not the performance at test-level. Hence, spontaneous speech has an added value to standardized tests for diagnosis of language impairments.



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