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Automated quantitative pupillometry as a predictor for transtentorial brain herniation in patients with malignant acute ischemic stroke.
PLoS One
January 2025
Department of Convergence of Healthcare and Medicine, Ajou University Graduate School of Medicine, Suwon, South Korea.
Brain herniation can be a life-threatening condition, resulting in poor prognosis and higher fatality rates. We examined whether quantitative characteristics of sequential pupillary light reflex (PLR) could serve as biomarkers for identifying brain herniation in fatal acute stroke cases with anterior circulation involvement admitted to neurological intensive care unit (Neuro-ICU). Automatic pupillometer assessed PLR automatically every 4-6 hours, measuring eight specific features: NPi (Neurological pupil index) score, initial resting and constriction pupil size, constriction change, constriction velocity, constriction latency, and dilation velocity.
View Article and Find Full Text PDFCharacterization of a rapid avoidance behavior in Manduca sexta larvae in response to noxious stimuli.
J Exp Biol
December 2024
Department of Biology, Tufts University, 200 Boston Ave, Medford, MA 02155, USA.
This study focuses on the nociceptive responses observed in the tobacco hornworm (Manduca sexta). While prior investigations have described the sensory neurons and muscle activation patterns associated with the 'strike' behavior, there remains a gap in our understanding of the alternative 'withdrawal' movement, wherein the animal bends its head and thorax away from the stimulus. Our results show that stimulus location determines which nocifensive behavior is elicited.
View Article and Find Full Text PDFAnesthetic Considerations in Endovascular Stroke Treatment: A Clinical Case Study.
Cureus
August 2024
Neuroradiology Department, Centro Hospitalar e Universitário do Porto, Porto, PRT.
Acute embolic sequential bilateral occlusion is an extremely rare event and can be difficult to detect during mechanical thrombectomy (MT) under general anesthesia (GA). We describe a male with vascular risk factors who was admitted two hours after the sudden onset of aphasia, right-sided central facial palsy, homonymous hemianopsia, and ipsilateral hemiplegia/hypoesthesia. Thrombolytic intravenous treatment was started, and the patient had an allergic reaction and required intubation.
View Article and Find Full Text PDFFurther insights into anti-IgLON5 disease: a case with complex clinical presentation.
BMC Neurol
September 2024
Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Piazzale Brescia 20, Milan, 20149, Italy.
Background: Anti-IgLON5 disease is an autoimmune encephalitis overlapping with neurodegenerative disorders due to pathological accumulation of hyperphosphorylated tau. It is characterized by several clinical manifestations determined by involvement of different brain areas, and mild response to first-line immunotherapies. We report a case of anti-IgLON5 disease with a multifaceted semiology and an unusually good response to glucocorticoid monotherapy.
View Article and Find Full Text PDFComparative anatomical analysis between lateral supraorbital and minipterional approaches.
Surg Neurol Int
August 2024
Department of Neurosurgery, University of Sao Paulo, Facultade das Clinicas, Sao Paulo, Brazil.
Background: The pterional craniotomy, described by Yasargil and Fox in 1975, constitutes the most traditional and important surgical access in vascular neurosurgery. Minimally invasive alternatives include the minipterional (MP) and lateral supraorbital (LSO) craniotomies, which avoid complications such as injury to the frontal branch of the facial nerve, temporal muscle dysfunction, depression of the craniotomy site, frontal sinus opening, and cosmetically unacceptable outcomes. We evaluated and compared the exposures provided by MP and LSO craniotomies through quantitative measurements of the surgical exposure area around the circle of Willis and parasellar regions, as well as angular and linear exposures of the internal carotid artery (ICA) bifurcation, middle cerebral artery (MCA), midpoint of the anterior communicating artery, and tip of the basilar artery (BA).
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