Interictal invasive very high-frequency oscillations in resting awake state and sleep

被引:3
作者
Revajova, Karin [1 ,2 ]
Travnicek, Vojtech [4 ,5 ]
Jurak, Pavel [4 ]
Vasickova, Zuzana [1 ,2 ,4 ,5 ]
Halamek, Josef [4 ]
Klimes, Petr [4 ,5 ]
Cimbalnik, Jan [1 ,2 ,5 ]
Brazdil, Milan [1 ,2 ,3 ,5 ]
Pail, Martin [1 ,2 ,5 ]
机构
[1] Masaryk Univ, St Annes Univ Hosp, Brno Epilepsy Ctr, Dept Neurol,ERN EpiCARE, Brno 60200, Czech Republic
[2] Masaryk Univ, Med Fac, Brno 60200, Czech Republic
[3] Masaryk Univ, Cent European Inst Technol, Brno 62500, Czech Republic
[4] Czech Acad Sci, Inst Sci Instruments, Brno 60200, Czech Republic
[5] St Annes Univ Hosp, Int Clin Res Ctr, Brno 60200, Czech Republic
关键词
SEIZURE ONSET; 80-500; HZ; EPILEPSY; AREAS;
D O I
10.1038/s41598-023-46024-z
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Interictal very high-frequency oscillations (VHFOs, 500-2000 Hz) in a resting awake state seem to be, according to a precedent study of our team, a more specific predictor of a good outcome of the epilepsy surgery compared to traditional interictal high-frequency oscillations (HFOs, 80-500 Hz). In this study, we retested this hypothesis on a larger cohort of patients. In addition, we also collected patients' sleep data and hypothesized that the occurrence of VHFOs in sleep will be greater than in resting state. We recorded interictal invasive electroencephalographic (iEEG) oscillations in 104 patients with drug-resistant epilepsy in a resting state and in 35 patients during sleep. 21 patients in the rest study and 11 patients in the sleep study met the inclusion criteria (interictal HFOs and VHFOs present in iEEG recordings, a surgical intervention and a postoperative follow-up of at least 1 year) for further evaluation of iEEG data. In the rest study, patients with good postoperative outcomes had significantly higher ratio of resected contacts with VHFOs compared to HFOs. In sleep, VHFOs were more abundant than in rest and the percentage of resected contacts in patients with good and poor outcomes did not considerably differ in any type of oscillations. In conclusion, (1) our results confirm, in a larger patient cohort, our previous work about VHFOs being a specific predictor of the area which needs to be resected; and (2) that more frequent sleep VHFOs do not further improve the results.
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页数:11
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