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Investigation and Treatment of Infertility in a Female Black Rhinoceros (Diceros bicornis).
Zoo Biol
January 2025
Taronga Conservation Society Australia, Taronga Institute of Science and Learning, Mosman New South Wales 2088, Taronga Western Plains Zoo, Dubbo, New South Wales, Australia.
A zoo-based, 11-year-old, uniparous southern black rhinoceros (Diceros bicornis minor) failed to conceive after weaning a calf. Behavioral observation and fecal progestagen monitoring confirmed irregular estrous cycles. Serial transrectal reproductive ultrasound examination revealed the cause to be recurrent anovulatory hemorrhagic follicles (AHFs).
View Article and Find Full Text PDFUnderstanding Catalyst 'Volcano' Dependence Through Fermi-Level Controlled Kinetics Using Electronic Theory.
Entropy (Basel)
November 2024
Catalysis and Transient Kinetics Group, Idaho National Laboratory, Idaho Falls, ID 83415, USA.
The ubiquitous two-step Michaelis-Menten and Temkin-Boudart reaction mechanisms are extended to include the influence of the catalyst electronic subsystem in a 5-step mechanism. The resulting kinetic equation provides an alternative explanation for the well-known volcano-shaped dependence found in catalysis. The equilibrium constants of fast electronic steps are highlighted for their influence on adsorption and desorption through the relative concentration of charged versus neutral intermediates.
View Article and Find Full Text PDFCT-guided Left Stellate Ganglion Cryoneurolysis for Refractory Ventricular Arrhythmias.
Radiology
December 2024
From the Department of Radiology, Division of Interventional Radiology (N.L., N.J.R.), Department of Medicine, Division of Interventional Cardiology (Y.R.), and Department of Medicine, Division of Cardiovascular Medicine (Y.R., G.S., M.G.), UMass Memorial Medical Center and Chan Medical School, 55 Lake Ave N, S2-817A, Worcester, MA 01655; Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image-Guided Medicine, Emory University School of Medicine, Atlanta, Ga (J.K.); Division of Cardiology, Division of Electrophysiology, Emory Heart & Vascular Center at Saint Joseph's Hospital, Atlanta, Ga (A.M.P., C.M.T.); Department of Heart Failure/Transplant Cardiology, Piedmont Heart Institute, Piedmont Healthcare, Atlanta, Ga (D.W.M.); and Franklin College of Arts and Sciences, University of Georgia, Athens, Ga (F.J.P.).
Article Synopsis
- Ventricular arrhythmias (VAs) like ventricular tachycardia and ventricular fibrillation pose serious treatment challenges with high risks of morbidity and mortality, particularly in patients unresponsive to standard therapies.
- This study examined the safety and effectiveness of CT-guided left stellate ganglion cryoneurolysis (SGC) in these refractory VA patients across two hospitals, involving 17 patients with a notable reduction in defibrillation events after the procedure.
- Results showed that 82% of patients were free from defibrillation 24 hours post-procedure, with no serious adverse effects reported, highlighting the potential of SGC as a beneficial alternative treatment strategy for refractory VAs.
The Value of Intraoperative Neurophysiological Monitoring During Patient Positioning in Spine Surgery: A Preventive Strategy.
Cureus
November 2024
Neuroanesthesia, Unidade Local de Saúde de Santo António, Porto, PRT.
Article Synopsis
- Cervical spine surgery in myelopathy patients presents anesthetic challenges due to the potential for secondary spinal cord injury (SCI), which requires careful management beyond just intubation concerns.
- Intraoperative neurophysiological monitoring, such as SSEPs and MEPs, is crucial for assessing spinal cord integrity during surgery, especially for patients with conditions like cervical spondylotic myelopathy.
- A case study involving a 73-year-old male with significant cervical deformation underwent successful anterior cervical discectomy and fusion, using advanced monitoring techniques and awake intubation to minimize risks, resulting in a smooth recovery with no new neurological deficits.
Gender differences in the context of interventions for improving health literacy in migrants: a qualitative evidence synthesis.
Cochrane Database Syst Rev
December 2024
Cochrane Haematology, Institute of Public Health, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
Background: Health literacy can be defined as a person's knowledge, motivation and competence in four steps of health-related information processing - accessing, understanding, appraising and applying health-related information. Individuals with experience of migration may encounter difficulties with or barriers to these steps that may, in turn, lead to poorer health outcomes than those of the general population. Moreover, women and men have different health challenges and needs and may respond differently to interventions aimed at improving health literacy.
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