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The Role of Duplex Ultrasound and Flow/Pressure Ratio in Predicting Invasive Treatment for High Venous Pressure in Patients Undergoing Hemodialysis.
Medicina (Kaunas)
December 2024
Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833401, Taiwan.
: Vascular access complications, particularly high venous pressure, pose significant challenges for hemodialysis patients undergoing hemodialysis. Limited research has focused on identifying predictive factors for invasive treatment. This study aimed to identify patients who might benefit from frequent monitoring and conservative management based on duplex ultrasound (DUS) evaluation.
View Article and Find Full Text PDFCase Report: Gutter endoleak embolization in a patient with bilateral common iliac artery aneurysms treated with sandwich parallel grafts.
Front Surg
December 2024
School of Medicine, Kyungpook National University, Daegu, Republic of Korea.
Background: Current guidelines recommend preserving at least one of the bilateral pelvic flows in patients with aortoiliac aneurysms. The sandwich parallel graft, using commercially available devices, provides a viable option for patients who fall outside the instructions for use of iliac branch devices. However, gutter endoleak remains a significant challenge.
View Article and Find Full Text PDFSuccessful Management of Intraprocedural Arterial Dissection During Carotid Artery Stenting With an Overlapping CASPER Rx Stent for Tortuous Vessel: A Case Report.
Cureus
November 2024
Neurosurgery, Kokura Memorial Hospital, Kitakyushu, JPN.
Carotid artery stenosis is a significant cause of ischemic stroke, often necessitating interventions like carotid artery stenting (CAS) to restore adequate blood flow. However, complications like intraprocedural arterial dissection can arise during the procedure. This report presents a case of intraprocedural arterial dissection during CAS using a CASPER Rx stent.
View Article and Find Full Text PDFFeasibility and Safety of Double-wire Technique for Microcatheter Navigation Beyond Tortuous Internal Carotid Siphon: a Propensity Score Matched Study.
World Neurosurg
December 2024
Department of Neurosurgery, The Jikei University School of Medicine, Tokyo, Japan.
Background: Severe vessel tortuosity may prevent a microcatheter from reaching a distal vessel. However, the Double-Wire Technique (DWT) may facilitate the procedure. The present study evaluated the feasibility and safety of guiding a 0.
View Article and Find Full Text PDF"3D channel maze" to control drug release from multiple unit tablets.
J Control Release
December 2024
Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China; Department of Pharmaceutical Analysis, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China. Electronic address:
Diffusion is defined as general mechanism for drug release from advanced delivery systems, yet dynamic structure of dosage form intrinsically plays an unknown role. The synchrotron radiation X-ray micro-computed tomography (SR-μCT) three-dimensional (3D) imaging and in-depth analysis of 3D structures were applied to readily differentiate materials and accurately capture internal structure changes of multiple unit pellet system (MUPS) and the constituent pellets, visualizing internal 3D structure of a MUPS of theophylline tablets for their 3 levels hierarchy structures: pellets with rapid drug release characteristics, a protective cushion layer and a matrix layer. Drug release pathways were extracted from SR-μCT images and a 3D maze network was constructed using pore network analysis to quantify the internal structural evolution during drug release.
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