Biological Sex and Body Mass Index Influence the Longitudinal Evolution of Adolescent and Young Adult Magnetic Resonance Imaging-Visible Perivascular Spaces
Erin A. Yamamoto MD , Seiji Koike MAS , Caitlyn Wong BS , Laura E. Dennis BS , Madison N. Luther BS , Avery Scatena BA , Seva Khambadkone MD, PhD , Jeffrey J. Iliff PhD , Miranda M. Lim MD, PhD , Swati R. Levendovszky PhD , Jonathan E. Elliott PhD , Giuseppe Barisano MD, PhD , Eva M. Müller-Oehring PhD , Angelica M. Morales PhD , Fiona C. Baker PhD , Bonnie J. Nagel PhD , Juan Piantino MD, MCR
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引用次数: 0
Abstract
Background
An association recently emerged between magnetic resonance imaging (MRI)-visible perivascular spaces (MV-PVS) with intracerebral solute clearance and neuroinflammation, in adults. However, it is unknown how MV-PVS change throughout adolescence and what factors influence MV-PVS volume and morphology. This study assesses the temporal evolution of MV-PVS volume in adolescents and young adults, and secondarily evaluates the relationship between MV-PVS, age, sex, and body mass index (BMI).
Methods
This analysis included a 783 participant cohort from the longitudinal multicenter National Consortium on Alcohol and Neurodevelopment in Adolescence study that involved up to 6 imaging visits spanning 5 years. Healthy adolescents aged 12-21 years at study entry with at least two MRI scans were included. The primary outcome was mean MV-PVS volume (mm3/white matter cm3).
Results
On average, males had greater MV-PVS volume at all ages compared to females. A linear mixed-effect model for MV-PVS volume was performed. Mean BMI and increases in a person's BMI were associated with increases in MV-PVS volume over time. In females only, changes in BMI correlated with MV-PVS volume. One unit increase in BMI above a person's average BMI was associated with a 0.021 mm3/cm3 increase in MV-PVS volume (P < 0.001).
Conclusions
This longitudinal study showed sex differences in MV-PVS features during adolescence and young adulthood. Importantly, we report that increases in BMI from a person's mean BMI are associated with increases in MV-PVS volume in females only. These findings suggest a potential link between MV-PVS, sex, and BMI that warrants future study.
期刊介绍:
Pediatric Neurology publishes timely peer-reviewed clinical and research articles covering all aspects of the developing nervous system.
Pediatric Neurology features up-to-the-minute publication of the latest advances in the diagnosis, management, and treatment of pediatric neurologic disorders. The journal''s editor, E. Steve Roach, in conjunction with the team of Associate Editors, heads an internationally recognized editorial board, ensuring the most authoritative and extensive coverage of the field. Among the topics covered are: epilepsy, mitochondrial diseases, congenital malformations, chromosomopathies, peripheral neuropathies, perinatal and childhood stroke, cerebral palsy, as well as other diseases affecting the developing nervous system.