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Association between blood microplastic levels and severity of extracranial artery stenosis.
J Hazard Mater
December 2024
Department of Neurology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China. Electronic address:
Article Synopsis
- The study investigates the levels of microplastics (MPs) in the blood of patients with extracranial artery stenosis (ECAS) to understand their potential link to cardiovascular diseases.
- It involves 20 ECAS patients and 10 control subjects, revealing significantly higher MPs concentrations in the ECAS group (174.89 vs 79.82 μg/g).
- The findings suggest a correlation between higher MPs levels and more severe arterial stenosis, along with differences in blood markers like D-dimer and Thrombin Time between the two groups.
High-quality lipid suppression and B0 shimming for human brain H MRSI.
Neuroimage
October 2024
Department of Radiology and Biomedical Imaging, Magnetic Resonance Research Center, USA; Department of Biomedical Engineering, Yale University School of Medicine, New Haven, CT, USA.
Magnetic Resonance Spectroscopic Imaging (MRSI) is a powerful technique that can map the metabolic profile in the brain non-invasively. Extracranial lipid contamination and insufficient B homogeneity however hampers robustness, and as a result has hindered widespread use of MRSI in clinical and research settings. Over the last six years we have developed highly effective extracranial lipid suppression methods with a second order gradient insert (ECLIPSE) utilizing inner volume selection (IVS) and outer volume suppression (OVS) methods.
View Article and Find Full Text PDFAdvancing Neurosurgical Skills: A Comparative Study of Training Models for Intra-Extracranial Cerebral Bypass.
World Neurosurg
September 2024
Neurosurgery. Petrona V. de Cordero Hospital, San Fernando, Buenos Aires, Argentina; Microsurgical Neuroanatomy Laboratory, Second Chair of Anatomy, University of Buenos Aires, Buenos Aires, Argentina.
Background: Training in anastomosis is fundamental in neurosurgery due to the precision and dexterity required. Biological models, although realistic, present limitations such as availability, ethical concerns, and the risk of biological contamination. Synthetic models, on the other hand, offer durability and standardized conditions, although they sometimes lack anatomical realism.
View Article and Find Full Text PDFNear-infrared spectroscopy to measure brain oxygenation: A comparison of measurements on the skin, skull and dura mater.
Acta Anaesthesiol Scand
February 2024
Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.
Article Synopsis
- A study examined the reliability of near-infrared spectroscopy (NIRS) for measuring cerebral oxygenation in patients undergoing craniotomy, focusing on the impact of extracranial tissue on measurements taken from different locations – the forehead, skull, and dura mater.
- Results showed that while ScO values from the dura mater were similar to those from the skin, ScO values from the skull were significantly lower, suggesting the scalp contributes to the readings.
- The findings indicate that while NIRS is useful, careful consideration of measurement location is important, as readings from the skull may be affected by superficial tissues.
Mandibular and chin electrodes as a supplemental recording for detection of epileptiform discharges in mesial temporal lobe epilepsy.
Surg Neurol Int
June 2023
Department of Neurosurgery, Hachisuga Hospital, Fukuoka, Japan.
Background: We previously demonstrated the usefulness of periorbital electrodes in supplemental recording to detect epileptiform discharges in patients with mesial temporal lobe epilepsy (MTLE). However, eye movement may disturb periorbital electrode recording. To overcome this, we developed mandibular (MA) and chin (CH) electrodes and examined whether these electrodes could detect hippocampal epileptiform discharges.
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