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Transhepatic venous access for catheter ablation of right and left side atrial arrhythmias in adults: challenges and outcomes.
Curr Probl Cardiol
January 2025
International arrhythmia center, Fundacion cardioinfatil - La Cardio, Division of Cardiology, Bogota, Colombia. Electronic address:
Introduction: Electrophysiologic (EP) procedures are typically performed via the femoral venous system, but in some patients, the inferior vena cava (IVC) is unavailable. The hepatic vein has emerged as a viable alternative to femoral access, providing an inferior route that accommodates large sheaths required for better catheter manipulation. Although the percutaneous transhepatic approach has been used successfully in the pediatric population, its use in adults is scarce, with a complication rate of approximately 5%.
View Article and Find Full Text PDFAzygos Vein Stenosis in Frontotemporal Dementia Sagging Brain Syndrome.
AJNR Am J Neuroradiol
January 2025
Ataxia Center, Cognitive Behavioral Neurology Unit, Laboratory for Neuroanatomy and Cerebellar Neurobiology, Department of Neurology (J.D.S., Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
Background And Purpose: Symptoms indistinguishable from behavioral-variant frontotemporal dementia (bvFTD) can develop in patients with spontaneous intracranial hypotension associated with severe brain sagging. An underlying spinal CSF leak can be identified in only a minority of these patients and the success rate of nondirected treatments, such as epidural blood patching and dural reduction surgery, is low. The disability associated with bvFTD sagging brain syndrome is high and, because of the importance of the venous system in the pathophysiology of CSF leaks in general, we have investigated the systemic venous circulation in those patients with recalcitrant symptoms.
View Article and Find Full Text PDFImpact of social isolation during the COVID-19 pandemic on the mental health of university students and recommendations for the post-pandemic period: A systematic review.
Brain Behav Immun Health
February 2025
Postgraduate Program in Human Movement Sciences of the Santa Catarina State University (UDESC), Laboratory of Sport and Exercise Psychology, Florianópolis, SC, Brazil.
Introduction: Investigating the psychological impact caused by the interruption of social interactions on university students during the pandemic is essential, with a view to developing strategies to preserve mental health and academic performance.
Objective: To analyze the impact of social isolation during the COVID-19 pandemic on the mental health of university students and propose recommendations for the post-pandemic period.
Method: This systematic review was conduced in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and was registered in the International Prospective Register of Systematic Reviews (PROSPERO).
Late-Onset Sepsis Among Extremely Preterm Infants During the COVID-19 Pandemic.
Pediatrics
January 2025
Department of Pediatrics, The Warren Alpert Medical School, Brown University, Providence, Road Island.
Objectives: To compare incidence of late-onset sepsis (LOS) among extremely preterm infants before and during the COVID-19 pandemic.
Methods: Multicenter cohort study of infants with birthweight 401 to 1000 g or gestational age 22 to 28 weeks. LOS was defined as a bacterial or fungal pathogen isolated from blood or cerebrospinal fluid culture obtained after 72 hours of age.
In vivo two-photon FLIM resolves photosynthetic properties of maize bundle sheath cells.
Photosynth Res
January 2025
State Key Laboratory of Forage Breeding-by-Design and Utilization, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
Maize (Zea mays L.) performs highly efficient C photosynthesis by dividing photosynthetic metabolism between mesophyll and bundle sheath cells. In vivo physiological measurements are indispensable for C photosynthesis research as photosynthetic activities are easily interrupted by leaf section or cell isolation.
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