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Neuroendoscopic lavage for posthemorrhagic hydrocephalus of prematurity: preliminary results at a single institution in the United States.
J Neurosurg Pediatr
January 2025
1Division of Neurosurgery, Department of Surgery.
Objective: The current neurosurgical treatment for intraventricular hemorrhage (IVH) of prematurity resulting in posthemorrhagic hydrocephalus (PHH) seeks to reduce intracranial pressure with temporary and then permanent CSF diversion. In contrast, neuroendoscopic lavage (NEL) directly addresses the intraventricular blood that is hypothesized to damage the ependyma and parenchyma, leading to ventricular dilation and hydrocephalus. The authors sought to determine the feasibility of NEL in PHH.
View Article and Find Full Text PDFImpact of under-assisted ventilation on diaphragm function and structure in a porcine model.
Anesthesiology
January 2025
Department of Anesthesiology and Critical Care Medicine B (DAR B), Saint-Eloi Hospital, University Teaching Hospital of Montpellier, 80 avenue Augustin Fliche, 34295 Montpellier, France.
Background: Long-term controlled mechanical ventilation (CMV) in intensive care unit (ICU) induces ventilatory-induced-diaphragm-dysfunction (VIDD). The transition from CMV to assisted mechanical ventilation is a challenge that requires clinicians to balance over-assistance and under-assistance. While the effects of over-assistance on the diaphragm are well known, we aimed to assess the impact of under-assistance on diaphragm function and structure in piglet model with pre-existing VIDD (after long-term CMV) or without VIDD (short-term CMV).
View Article and Find Full Text PDFInfluences of roughness and filling degree on the shear strength and damage evolution characteristics of cement-filled joints.
PLoS One
January 2025
School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, China.
The shear resistance of filling joints is an important factor affecting the stability of rock joints. Pressure-shear tests of cement-filled joints were carried out. Combined with the acoustic emission (AE) technique, the effects of normal stress, roughness and filling degree on the shear strength, damage morphology and damage evolution of cement-filled joints were investigated.
View Article and Find Full Text PDFRecent Advances on Immunity and Hypertension: The New Cells on the Kidney Block.
Am J Physiol Renal Physiol
January 2025
Division of Nephrology, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA.
Over the last 50 years, contribution of the immune system has been identified in the development of hypertension and renal injury. Both human and experimental animal models of hypertension have demonstrated that innate and adaptive immune cells, along with their cytokines and chemokines, modulate blood pressure fluctuations and end organ renal damage. Numerous cell types of the innate immune system, specifically monocytes, macrophages, and dendritic cells present antigenic peptides to T cells promoting inflammation and the elevation of blood pressure.
View Article and Find Full Text PDFEffect of Sodium Sulfate Solution Coupled with Wetting-Drying Cycles on the Properties of Nano-Alumina-Modified Concrete.
Nanomaterials (Basel)
January 2025
Heilongjiang Transportation Information and Science Research Center, Harbin 150080, China.
The degradation of concrete caused by sulfate attack poses a significant challenge to its durability. Using nanomaterials to enhance the mechanical and durability properties of concrete is a promising solution. A study of the durability of nano-alumina (NA)-modified concrete by sulfate erosion was carried out.
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