We report the novel case of a young woman with Takayasu arteritis, with extensive large vessel disease. The case demonstrates that while mechanisms of vascular calcification are poorly understood, inflammation per se might be sufficient to mediate increased mineral stress leading to vessel calcification, even in the absence of renal impairment.
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http://dx.doi.org/10.1111/imj.12116 | DOI Listing |
Ann Thorac Surg Short Rep
March 2023
Division of Interventional Cardiology, Department of Cardiology, Henry Ford Health, Detroit, Michigan.
Repair of thoracic aortic aneurysms has evolved in recent history. Open surgical intervention has largely been replaced with endovascular intervention. However, there are anatomic limitations to thoracic endovascular aneurysm repair.
View Article and Find Full Text PDFAnn Thorac Surg Short Rep
September 2024
Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
Background: COVID-19 patients exhibit higher incidence of thrombosis in arteries and veins, including those in lungs. Vasa vasorum, which support large blood vessels, have shown involvement in these pathologic processes.
Methods: To further explore the extent of microvascular damage caused by COVID-19 infection, we examined resected main, right, or left pulmonary artery specimens from patients undergoing bilateral lung transplantation for COVID-19- or non-COVID-19-induced pulmonary fibrosis compared with organ donors by histologic and immunohistologic analyses.
Physiol Plant
January 2025
Department of Plant and Agroecosystem Sciences, University of Wisconsin-Madison, Madison, WI.
Ca is a key nutrient for fruit quality due to its role in bonding with pectin in the cell wall, providing strength through cell-to-cell adhesion, thus increasing fruit firmness and extending post-harvest life. However, Ca accumulation is mostly limited to the initial stages of fruit development due to anatomical and physiological changes that occur as fruits develop. The objective of this study was to evaluate fruit transpiration, cuticle thickness, and pedicel vessel changes during cranberry fruit development and the effect these parameters might have on Ca translocation.
View Article and Find Full Text PDFNeuroradiol J
January 2025
Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, USA.
This study evaluates the efficacy of deep learning models in identifying infarct tissue on computed tomography perfusion (CTP) scans from patients with acute ischemic stroke due to large vessel occlusion, specifically addressing the potential influence of varying noise reduction techniques implemented by different vendors. We analyzed CTP scans from 60 patients who underwent mechanical thrombectomy achieving a modified thrombolysis in cerebral infarction (mTICI) score of 2c or 3, ensuring minimal changes in the infarct core between the initial CTP and follow-up MR imaging. Noise reduction techniques, including principal component analysis (PCA), wavelet, non-local means (NLM), and a no denoising approach, were employed to create hemodynamic parameter maps.
View Article and Find Full Text PDFActa Neurochir (Wien)
January 2025
Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, 110 Francis Street , Boston, MA, 02215, USA.
Background: Variability in long-term endovascular treatment outcomes for intracranial aneurysms has prompted questions regarding the effects of these treatments on aneurysm hemodynamics. Endovascular techniques disrupt aneurysmal blood flow and shear, but their influence on intra-aneurysmal pressure remains unclear. A better understanding of aneurysm pressure effects may aid in predicting outcomes and guiding treatment decisions.
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