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Development of autonomic innervation at the venous pole of the heart: bridging the gap from mice to human.
J Transl Med
January 2025
Department of Anatomy & Embryology, Leiden University Medical Center, P.O. Box 9600, Postal Zone: S-1-P, 2300 RC, Leiden, The Netherlands.
Background: Prenatal development of autonomic innervation of sinus venosus-related structures might be related to atrial arrhythmias later in life. Most of the pioneering studies providing embryological background are conducted in animal models. To date, a detailed comparison with the human cardiac autonomic nervous system (cANS) is lacking.
View Article and Find Full Text PDFParallel EEG-fNIRS assessments of covert cognition in behaviorally non-responsive ICU patients: A multi-task feasibility study in a case of acute motor sensory axonal neuropathy.
J Neurol
January 2025
Western Institute of Neuroscience, Western University, London, Canada.
Background: Repeat neurological assessment is standard in cases of severe acute brain injury. However, conventional measures rely on overt behavior. Unfortunately, behavioral responses may be difficult or impossible for some patients.
View Article and Find Full Text PDFA Clinical Comparative Study of Dexmedetomidine, Dexamethasone, and Clonidine as Adjuvants to Local Anesthetics in Supraclavicular Brachial Plexus Blocks.
Cureus
December 2024
Anaesthesiology, Gajra Raja Medical College, Jaya Arogya Group of Hospitals, Gwalior, IND.
Introduction: The brachial plexus block is one of the peripheral blocks, beneath which the majority of upper limb surgical procedures are carried out. During upper limb surgery, a supraclavicular nerve block is an excellent substitute for general anesthesia.
Aim: This is a clinical comparative study of dexmedetomidine, dexamethasone, and clonidine as adjuvants to local anesthetics in supraclavicular brachial plexus block.
A Comparative Study of Nalbuphine, Clonidine, and Dexmedetomidine as Adjuvants to Ropivacaine in Epidural Anesthesia for Lower Limb Surgery.
Cureus
December 2024
Anesthesiology and Critical Care, Uttar Pradesh University of Medical Sciences, Etawah, IND.
Background: In epidural anaesthesia, the addition of an adjuvant to local anaesthetics enhances the efficacy, thereby providing increased duration and intensity of blockade in lower limb surgeries. The aim was to compare the efficacy, onset, and duration of sensory and motor blockade; haemodynamic changes; and sedative and analgesic effects of nalbuphine, clonidine, and dexmedetomidine as an adjuvant to ropivacaine in epidural anaesthesia.
Methodology: A prospective, randomised, double-blind study among 90 patients after taking consent was divided into three groups (30 patients each; Group D received 15 ml of 0.
Cerebrovascular reactivity and response times describe recent ischaemic symptomatology in patients with moyamoya.
Brain Commun
November 2024
Department of Neurology, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
Moyamoya is a non-atherosclerotic intracranial steno-occlusive condition that places patients at high risk for ischaemic stroke. Randomized trials of surgical revascularization demonstrating efficacy in ischaemic moyamoya have not been performed, and as such, biomarkers of parenchymal haemodynamic impairment are needed to assist with triage and evaluate post-surgical response. In this prospective study, we test the hypothesis that parenchymal cerebrovascular reactivity (CVR) metrics in response to a fixed-inspired 5% carbon dioxide challenge correlate with recent focal ischaemic symptoms.
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