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http://dx.doi.org/10.1089/jpm.2023.0048 | DOI Listing |
JACC Clin Electrophysiol
December 2024
St Bartholomew's Hospital, Barts Health NHS Trust, London, United Kingdom; William Harvey Research Institute, Queen Mary University of London, London, United Kingdom. Electronic address:
Background: The sympathetic autonomic nervous system plays a major role in arrhythmia development and maintenance. Historical preclinical studies describe preferential increases in cardiac sympathetic tone upon selective stimulation of the subclavian ansae (SA), a nerve cord encircling the subclavian artery.
Objectives: This study sought to define, for the first time, the functional anatomy and physiology of the SA in humans using a percutaneous approach.
Auton Neurosci
January 2025
Department of Medicine, Jinnah Sindh Medical University, Rafiqi H J Shaheed Road, Karachi, Pakistan. Electronic address:
Paroxysmal Sympathetic Hyperactivity (PSH) is a challenging and often underrecognized syndrome, commonly arising after a traumatic brain injury (TBI). Characterized by episodic bursts of heightened sympathetic activity, PSH presents with a distinct constellation of symptoms including hypertension, tachycardia, hyperthermia, and diaphoresis. While the exact pathophysiology remains elusive, current evidence suggests that the syndrome results from an imbalance between excitatory and inhibitory neuronal pathways within the central nervous system, leading to dysregulated autonomic responses.
View Article and Find Full Text PDFZhonghua Wei Zhong Bing Ji Jiu Yi Xue
December 2024
The Fifth Clinical Medical College, Henan University of Traditional Chinese Medicine, Zhengzhou 450003, Henan, China.
Objective: To investigate the effect of hyperbaric oxygen (HBO) on paroxysmal sympathetic hyperexcitation (PSH) after brain injury.
Methods: A multicenter retrospective study was conducted. Fifty-six patients with PSH who received HBO treatment from four hospitals in Henan Province from January 2021 to September 2023 were selected as the HBO group, and 36 patients with PSH who did not receive HBO treatment from Zhengzhou People's Hospital from May 2018 to December 2020 were selected as the control group.
Background: Paroxysmal sympathetic hyperactivity (PSH) occurs with high prevalence among critically ill patients with traumatic brain injury (TBI) and is associated with worse outcomes. The PSH-Assessment Measure (PSH-AM) consists of a Clinical Features Scale and a diagnosis likelihood tool (DLT) intended to quantify the severity of sympathetically mediated symptoms and the likelihood that they are due to PSH, respectively, on a daily basis. Here, we aim to identify and explore the value of dynamic trends in the evolution of sympathetic hyperactivity following acute TBI using elements of the PSH-AM.
View Article and Find Full Text PDFFront Pediatr
December 2024
Department of Pediatrics, Fifth School of Clinical Medicine of Zhejiang Chinese Medical University, Huzhou Central Hospital, Affiliated Central Hospital of Huzhou University, Huzhou, Zhejiang, China.
Introduction And Importance: Paroxysmal sympathetic hyperactivity (PSH) syndrome often occurs with severe traumatic brain injury. However, it can also occur during infections, such as severe bacterial meningoencephalitis in children. is an aggressive, virulent, opportunistic pathogen.
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