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Opioidergic activation of the descending pain inhibitory system underlies placebo analgesia.
Sci Adv
January 2025
Laboratory for Biofunction Dynamics Imaging, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan.
Placebo analgesia is caused by inactive treatment, implicating endogenous brain function involvement. However, the neurobiological basis remains unclear. In this study, we found that μ-opioid signals in the medial prefrontal cortex (mPFC) activate the descending pain inhibitory system to initiate placebo analgesia in neuropathic pain rats.
View Article and Find Full Text PDFPhysiological basis of non-invasive ventilation in the newborn.
Semin Perinatol
December 2024
Department of Women and Children's Health, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom; Neonatal Intensive Care Unit, University of Patras, Patras, Greece. Electronic address:
Non-invasive ventilation (NIV) is a form of respiratory support provided primarily to preterm born infants in an effort to avoid any endotracheal intubation or as a weaning step following invasive ventilation. In the context of the respiratory distress syndrome of the newborn, NIV could target and partially reverse specific pathophysiological phenomena, by improving alveolar recruitment and establishing adequate functional residual capacity. It can also assist in minimizing lung injury by avoiding excessive pressure delivery, which can be harmful for the developing lung.
View Article and Find Full Text PDF[Establishment of risk prediction model for pneumonia infection in elderly severe patients and analysis of prevention effect of 1M3S nursing plan under early warning mode].
Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
December 2024
Department of Critical Care Medicine, the Second Affiliated Hospital of Xingtai Medical College, Xingtai 054000, Hebei, China.
Objective: To construct a risk prediction model for elderly severe patients with pneumonia infection, and analyze the prevention effect of 1M3S nursing plan under early warning mode.
Methods: Firstly, 180 elderly severe patients admitted to the department of intensive care unit (ICU) of the Second Affiliated Hospital of Xingtai Medical College from September 2020 to September 2021 were enrolled. Their clinical data were collected and retrospectively analyzed, and they were divided into infected group and non-infected group according to whether they developed severe pneumonia.
Successful venous thrombectomy for extensive cerebral venous and sinus thrombosis after failed diagnostic lumbar puncture.
Rofo
January 2025
Department of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany.
With an incidence of 2-5 per million adults, cerebral venous and sinus thrombosis (CVST) is a rarity in the spectrum of cerebrovascular diseases. The etiology and symptomatic presentation are heterogeneous and diverse. CSVT is, therefore, often underdiagnosed.
View Article and Find Full Text PDF[From bench to beadside: experimental animal models in ischemic stroke research].
Postepy Biochem
December 2024
Cellular Neurobiology Research Group, Faculty of Biology, University of Warsaw.
Stroke is a devastating cardiovascular disease with a high mortality rate, leading to a significant reduction in quality of life and life expectancy. Due to the complexity of the pathophysiological processes following stroke in humans, the use of animal models of stroke, in particular rodent models, is essential for the development of treatments for patients. Transient or permanent middle cerebral artery occlusion (MCAo) and photothrombotic models are the most commonly used to simulate ischemic stroke and are discussed in this review in detail.
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