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Open surgical treatment of a chronic traumatic arteriovenous fistula in the lower extremity: A case report.
Int J Surg Case Rep
January 2025
Department of Vascular Surgery, The third hospital of mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China.
Introduction And Importance: A traumatic arteriovenous fistula (TAVF) is a vascular injury where an artery and a vein become abnormally connected. Although endovascular intervention is often the first choice for TAVF, some special cases still require open surgery.
Case Presentation: A 65-year-old man developed a chronic AVF in the lower superficial femoral artery (SFA) one year after a farming accident.
Coordination of inorganic disulfide species to ferric N-acetyl microperoxidase 11.
Biochem Biophys Res Commun
January 2025
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina. Electronic address:
The interest in chemical interactions between inorganic sulfur species and heme compounds has grown significantly in recent years due to their physiological relevance. The model system ferric N-acetyl microperoxidase 11 (NAcMP11Fe) enables the exploration of the mechanistic aspects of the interaction between the ferric heme group and binding sulfur ligands, without the constraints imposed by a protein matrix and the stabilizing effects of distal amino acids. In this study, we investigated the coordination of disulfane (HSSH) and its conjugate base hydrodisulfide (HSS) to NAcMP11Fe.
View Article and Find Full Text PDFThe effect of degenerative scolioisis on segmental thoracolumbar sagittal alignment compared to age- and pelvic incidence-matched reference values.
Eur Spine J
January 2025
Service de Chirurgie du Rachis, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, 1 Avenue Molière, Strasbourg, France.
Introduction: In asymptomatic subjects, variations of sagittal alignment parameters according to age and pelvic incidence (PI) has been reported. The aim of this observational study was to describe thoraco-lumbar sagittal alignment in patients with degenerative scoliosis and to compare them to asymptomatic individuals, seeking for the specific effect of deformity in similar age and PI groups.
Materials And Methods: Full spine radiographs of 235 asymptomatic subjects and 243 scoliosis patients were analyzed: cervico-thoracic inflexion point (CTIP), thoraco-lumbar inflexion point (TLIP), lumbar lordosis (LL) L1-S1, LL (TLIP-S1), LL superior arch (TLIP-lumbar apex), LL inferior arch (lumbar apex-S1), PI, thoracic kyphosis (TK) T5-T12, TK T1-T12, number of vertebrae CTIP-TLIPandTLIP-S1.
Kyphectomy followed by self-sliding pedicle screw and translumbosacral rod impaction and fixation: a novel growth-friendly technique in myelomeningocele patients.
Spine Deform
January 2025
Pediatrics and Neurosurgery, Cedars Sinai Medical Center, Los Angeles, CA, USA.
Introduction: Congenital lumbar kyphosis is present in about 15% of patients with myelomeningocele. Worsening of deformity with complications such as chronic skin ulcers and bone exposure is common. In patients under 8 years of age, treatment becomes even more challenging: in addition to resecting the apex of the kyphotic deformity, we should ideally stabilize the spine with fixation methods that do not interrupt the growth of the rib cage, associated with the challenging pelvic fixation in this population.
View Article and Find Full Text PDFIntegrated Local and Systemic Communication Factors Regulate Nascent Hematopoietic Progenitor Escape During Developmental Hematopoiesis.
Int J Mol Sci
December 2024
Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
Mammalian blood cells originate from specialized 'hemogenic' endothelial (HE) cells in major arteries. During the endothelial-to-hematopoietic transition (EHT), nascent hematopoietic stem cells (HSCs) bud from the arterial endothelial wall and enter circulation, destined to colonize the fetal liver before ultimately migrating to the bone marrow. Mechanisms and processes that facilitate EHT and the release of nascent HSCs are incompletely understood, but may involve signaling from neighboring vascular endothelial cells, stromal support cells, circulating pre-formed hematopoietic cells, and/or systemic factors secreted by distal organs.
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