Association between preoperative neurocognitive status and IDH1 mutation status in high-grade gliomas

Author:

Liouta Evangelia12ORCID,Kalyvas Aristotelis V134ORCID,Komaitis Spyridon54ORCID,Drosos Evangelos14ORCID,Koutsarnakis Christos14ORCID,García-Gómez Juan M6,Juan-Albarracín Javier6,Katsaros Vasileios7ORCID,Kalamatianos Theodosis12ORCID,Argyrakos Theodoros8,Stranjalis George124ORCID

Affiliation:

1. Department of Neurosurgery, National and Kapodistrian University of Athens, Evangelismos Hospital , Athens , Greece

2. Hellenic Center for Neurosurgical Research “Prof. Petros Kokkalis” , Athens , Greece

3. Division of Neurosurgery, Toronto Western Hospital, University Health Network, University of Toronto , Toronto, Ontario , Canada

4. Athens Microneurosurgery Laboratory , Athens , Greece

5. Department of Neurosurgery, National and Kapodistrian University of Athens , Evangelismos Hospital, Athens , Greece

6. Grupo de Informática Biomédica (IBIME), Instituto de Aplicaciones de las Tecnologías de la Información y de las Comunicaciones Avanzadas (ITACA), Universitat Politècnica de València , Valencia , Spain

7. Department of Radiology, General Anti-Cancer and Oncological Hospital of Athens “St. Savvas” , Athens , Greece

8. Department of Pathology, Evangelismos Hospital , Athens , Greece

Abstract

Abstract Background High-grade glioma (HGG) patients present with variable impairment in neurocognitive function (NCF). Based on that, isocitrate dehydrogenase 1 (IDH1) wild-type HGGs are more aggressive than IDH1 mutant-type ones, we hypothesized that patients with IDH1 wild-type HGG would exhibit more severe NCF deficits than their IDH1 mutant counterparts. Methods NCF was assessed by Mini Mental Status Exam (MMSE), Trail Making Test (TMT), Digit Span (DS), and Controlled Word Association Test (COWAT) tests in 147 HGG patients preoperatively. Results Analyses between IDH1 groups revealed a significant difference on MMSE concentration component (p ≤ .01), DS (p ≤ .01), TMTB (p ≤ .01), and COWAT (p ≤ .01) scores, with the IDH1 wild group performing worse than the IDH1 mutant one. Age and tumor volume were inversely correlated with MMSE concentration component (r = −4.78, p < .01), and with MMSE concentration (r = −.401, p < .01), TMTB (r = −.328, p < .01), and COWAT phonemic scores (r = −.599, p < .01), respectively, but only for the IDH1 wild-type group. Analyses between age-matched subsamples of IDH1 groups revealed no age effect on NCF. Tumor grade showed nonsignificance on NCF (p > .05) between the 2 IDH1 mutation subgroups of grade IV tumor patients. On the contrary, grade III group showed a significant difference in TMTB (p < .01) and DS backwards (p < .01) between IDH1 subgroups, with the mutant one outperforming the IDH1 wild one. Conclusions Our findings indicate that IDH1 wild-type HGG patients present greater NCF impairment, in executive functions particularly, compared to IDH1 mutant ones, suggesting that tumor growth kinetics may play a more profound role than other tumor and demographic parameters in clinical NCF of HGG patients.

Publisher

Oxford University Press (OUP)

Subject

Medicine (miscellaneous)

Reference32 articles.

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