Long-Term Cognitive Impairments and Attentional Deficits in Patients with Cushing's Disease and Cortisol-Producing Adrenal Adenoma in Remission
Long-Term Cognitive Impairments and Attentional Deficits in Patients with Cushing's Disease and Cortisol-Producing Adrenal Adenoma in Remission
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DOI:
10.1210/jc.2012-1945
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发表时间:
2012-09-01
影响因子:
5.8
通讯作者:
Johannsson, Gudmundur
中科院分区:
文献类型:
--
作者:
Ragnarsson, Oskar;Berglund, Peter;Johannsson, Gudmundur
Context: Cognitive function is impaired in patients with active Cushing's syndrome (CS).Objective: The aim was to study cognitive function in patients with CS in long-term remission.Design: We conducted a cross-sectional, case-controlled, single center study.Patients: Fifty-five patients previously treated for Cushing's disease (n = 43) and cortisol-producing adrenal adenoma (n = 12) and 55 controls matched for age, gender, and educational level participated in the study.Methods: Working memory, attention, information-processing speed, verbal fluency, and reading speed were studied using standardized neuropsychological testing and alerting, orienting, and executive control using the Attentional Network Test. Fatigue impact scale and the comprehensive psychopathological rating scale were used to evaluate fatigue and affective disorder.Results: Median (interquartile range) duration of remission was 13 (5-19) yr and the mean +/- SD age at follow-up was 54 +/- 14 yr. Compared to controls, patients had a higher score on the fatigue impact scale, indicating greater burdens of fatigue, and a higher score on the comprehensive psychopathological rating scale subscales for depression and anxiety. In a multivariate analysis, attention, spatial orienting, alerting, working memory, verbal fluency, and reading speed were all diminished in comparison to controls, independent of scores for affective disorder and fatigue. No overall difference in outcome was seen between patients in long-term remission for Cushing's disease and cortisol-producing adrenal adenoma.Conclusion: Patients with CS in remission have impaired cognitive function that cannot be explained by the coexistence of affective disorder or chronic fatigue. The pattern of cognitive and attentional deficits suggests a more global involvement of the brain function than has previously been suggested. (J Clin Endocrinol Metab 97:E1640-E1648, 2012)