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In Vivo Optical Coherence Tomography Detection of Repetitive Plaque Erosion Leading to Healed Plaques and Lesion Progression.
JACC Case Rep
November 2024
Interventional Cardiology Department, Royal Victoria Hospital, McGill University Health Centre, Montréal, Québec, Canada.
Plaque erosion is the second most common cause of acute coronary syndromes (ACS). Small studies using optical coherence tomography (OCT) have shown favorable outcomes in select patients with plaque erosion treated conservatively without stent implantation. Unlike plaque rupture, the role of plaque erosion in the formation of healed plaques and subsequent flow-limiting coronary stenoses is less certain.
View Article and Find Full Text PDFBiomechanical and histological analyses of a multilayer stent in a swine model of suprarenal aortic aneurysm.
Histol Histopathol
October 2024
Experimental and Surgical Training Center (CETEC), Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
Objectives: To analyze and compare, in an animal model, the treatment of thoracoabdominal aneurysms with multilayer stents and its hemodynamic effects through the biomechanical and histological analysis of the aortic wall in contact with the stent.
Methods: Large White pigs were randomized into two groups: Stent (n=6) and Control (n=5, non-stent). All animals were subjected to the creation of a suprarenal aneurysm with a bovine pericardial patch.
AVG delamination: a cause of early cannulation arteriovenous graft dysfunction in hemodialysis patients.
Ann Med
December 2024
Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
Background: A series of cases have reported graft delamination as a rare complication of early-cannulation arteriovenous graft (ecAVG). The unique multilayer structure of ecAVGs contributes to the property of cannulation as early as hours after implantation, but on other hand it takes the risk of graft delamination. However, the underlying mechanism and management of graft delamination as well as its effects on the long-term patency of ecAVGs have not been systemically analyzed.
View Article and Find Full Text PDFTransvaginal double-layer parallel in-situ suturing for early complex vesicovaginal fistula repair: Case report.
Medicine (Baltimore)
October 2024
Department of Urology, Linyi Maternity and Child Health Care Hospital, Shandong Province, China.
Rationale: Complex vesicovaginal fistulas (VVFs) with large defects pose significant surgical challenges. Traditional repair methods often require extensive tissue separation and multilayer suturing, risking local blood supply and healing. This study introduces a novel modified transvaginal repair technique that simplifies the procedure while preserving tissue vascularity.
View Article and Find Full Text PDFRole of multilayer flow modulator stents in the treatment of arterial aneurysms.
Ther Adv Cardiovasc Dis
October 2024
Antalya Provincial Health Directorate, Antalya, Turkey.
Arterial aneurysms remain a significant public health problem because they often result in death when ruptured; therefore, they require immediate medical treatment. Endovascular aneurysm repair (EVAR) has recently become the primary treatment option, owing to the fewer side effects compared to those with open surgery. However, stents used for conventional EVAR often cause side-branch occlusion, which alters the perfusion of vital organs.
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