These are challenging times for Quorum Health Group executives. They continue to grapple with vexing operational problems as well as the legal fallout involving a whistleblower lawsuit. The executives say they're turning things around, but Wall Street is saying, 'Show me.'
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Reichert's membrane - a continuing enigma for developmental biologists.
Dev Biol
January 2025
Developmental Biology & Cancer Department, UCL Great Ormond Street Institute of Child Health, London, UK.
Reichert's membrane (RM) is a basement membrane of gigantic proportions that surrounds the mammalian embryo following implantation. It is part of the parietal yolk sac, which originates from the wall of the preimplantation blastocyst. RM persists from implantation to birth in rodents and analogous structures occur in other mammals, including primates.
View Article and Find Full Text PDFThe effect of arm positions used during radiography on spinal alignment parameters assessed by 3D ultrasound imaging in adolescents with and volunteers without idiopathic scoliosis.
Eur Spine J
January 2025
Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada.
Purpose: Clinicians monitor scoliosis progression using multiple radiographs during growth. During imaging, arms must be elevated to visualize vertebrae, possibly affecting sagittal alignment. This study aimed to determine the arm position that best represents habitual standing (and possibly allowing hand-based skeletal maturity assessment) to obtain frontal and lateral stereo-radiographs as measured using frontal, sagittal, and transverse angles.
View Article and Find Full Text PDFDirect Vascular Effects of Angiotensin II (A Systematic Short Review).
Int J Mol Sci
December 2024
Department of Physiology, Faculty of Medicine, Semmelweis University, 37-47 Tűzoltó Street, 1094 Budapest, Hungary.
The octapeptide angiotensin II (Ang II) is a circulating hormone as well as a locally formed agonist synthesized by the angiotensin-converting enzyme (ACE) of endothelial cells. It forms a powerful mechanism to control the amount and pressure of body fluids. All main effects are directed to save body salt and water and ensure blood pressure under basic conditions and in emergencies.
View Article and Find Full Text PDFFrom Crop Residue to Corrugated Core Sandwich Panels as a Building Material.
Materials (Basel)
December 2024
Department of Sustainable Bioproducts, Mississippi State University, P.O. Box 9820, Starkville, MS 39762, USA.
This study explores the potential of using underutilized materials from agricultural and forestry systems, such as rice husk, wheat straw, and wood strands, in developing corrugated core sandwich panels as a structural building material. By leveraging the unique properties of these biobased materials within a corrugated geometry, the research presents a novel approach to enhancing the structural performance of such underutilized biobased materials. These biobased materials were used in different lengths to consider the manufacturing feasibility of corrugated panels and the effect of fiber length on their structural performance.
View Article and Find Full Text PDFEndoscopic retrograde cholangiopancreatography combined with extracorporeal shock wave lithotripsy for the removal of large gallbladder stones: a pilot study.
BMC Gastroenterol
January 2025
Department of Gastroenterology, Jiangxi Provincial Key Laboratory of Digestive Diseases, Jiangxi Clinical Research Center for Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No.17 Yongwaizheng Street, Nanchang, Jiangxi, 330006, China.
Background: Endoscopic gallbladder-preserving cholecystolithotomy (EGPC) has become an alternative option for treating cholecystolithiasis. However, developing a new method of EGPC in which the gallbladder wall is not damaged remains a challenge. This study introduced a new EGPC method called endoscopic retrograde cholangiopancreatography (ERCP) combined with extracorporeal shock wave lithotripsy (ESWL), which preserves the integrity of the gallbladder wall in the treatment of cholecystolithiasis complicated with choledocholithiasis.
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