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001-es BibID:BIBFORM091785
035-os BibID:(cikkazonosító)3 (WOS)000672838300001 (Scopus)85100999105
Első szerző:Képes Zita (orvos)
Cím:Glucose-level dependent brain hypometabolism in type 2 diabetes mellitus and obesity / Z. Képes, Cs. Aranyi, A. Forgács, F. Nagy, K. Kukuts, Zs. Hascsi, R. Esze, S. Somodi, M. Káplár, J. Varga, M. Emri, I. Garai
Dátum:2021
Megjegyzések:Glucose-level dependent brain hypometabolism in type 2 diabetes mellitus and obesity Background: Metabolic syndrome and its individual components lead to wide-ranging consequences, many of which affect the central nervous system. In this study, we compared the [18F]FDG regional brain metabolic pattern of participants with type 2 diabetes mellitus (T2DM) and non-DM obese individuals. Methods: In our prospective study 51 patients with controlled T2DM (ages 50.6 ? 8.0 years) and 45 non-DM obese participants (ages 52.0 ? 9.6 years) were enrolled. Glucose levels measured before PET/CT examination (pre-PET glucose) as well as laboratory parameters assessing glucose and lipid status were determined. NeuroQ application (NeuroQTM 3.6, Syntermed, Philips) was used to evaluate regional brain metabolic differences. [18F]FDG PET/CT (AnyScan PC, Mediso) scans, estimating brain metabolism were transformed to MNI152 brain map after T1 registration and used for SPM-based group comparison of brain metabolism corrected for pre-PET glucose, and correlation analysis with laboratory parameters. Results: NeuroQ analysis did not reveal significant regional metabolic defects in either group. Voxel-based group comparison revealed significantly (pFWE<0.05) decreased metabolism in the region of the precuneus and in the right superior frontal gyrus (rSFG) in the diabetic group as compared to the obese patients. Data analysis corrected for pre-PET glucose level showed a hypometabolic difference only in the rSFG in T2DM. Voxel-based correlation analysis showed significant negative correlation of the metabolism in the following brain regions with pre-PET glucose in diabetes: precuneus, left posterior orbital gyrus, right calcarine cortex and right orbital part of inferior frontal gyrus; while in the obese group only the right rolandic (pericentral) operculum proved to be sensitive to pre-PET glucose level. Conclusions: To our knowledge this is the first study to perform pre-PET glucose level corrected comparative analysis of brain metabolism in T2DM and obesity. We also examined the pre-PET glucose level dependency of regional cerebral metabolism in the two groups separately. Large-scale future studies are warranted to perform further correlation analysis with the aim of determining the effects of metabolic disturbances on brain metabolism. Keywords: [18F]FDG, metabolism, brain, type 2 diabetes mellitus, obesity
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
[18F]FDG
metabolism
brain
type 2 diabetes mellitus
obesity
Megjelenés:European Journal of Hybrid Imaging. - 5 : 1 (2021), p. 1-15. -
További szerzők:Aranyi Sándor Csaba (1988-) (programtervező informatikus) Forgács Attila (1985-) (fizikus) Nagy Ferenc (1984-) (fizikus) Kukuts Kornél Hascsi Zsolt Esze Regina Somodi Sándor (1977-) (belgyógyász) Káplár Miklós (1965-) (belgyógyász, diabetológus) Varga József (1955-) (fizikus) Emri Miklós (1962-) (fizikus) Garai Ildikó (1966-) (radiológus)
Pályázati támogatás:GINOP-2.1.1-15-2015-00609
GINOP
National Brain Research Program No. 2017-1.2.1-NKP-2017-00002.
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