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A cross-sectional study on the correlation between internal cerebral vein asymmetry and hemorrhagic transformation following endovascular thrombectomy.
Front Neurol
January 2025
Department of Neurology and Institute of Neurology of First Affiliated Hospital, Institute of Neuroscience, Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, Fuzhou, China.
Introduction: Hemorrhagic transformation (HT) is a severe complication in patients with acute ischemic stroke due to large vessel occlusion (AIS-LVO) after endovascular treatment (EVT). We hypothesize that asymmetry of the internal cerebral veins (ICVs) on baseline CT angiogram (CTA) may serve as an adjunctive predictor of HT.
Methods: We conducted a study on consecutive AIS-LVO patients from November 2020 to April 2022.
Validation of the efficacy of the porous medium model in hemodynamic analysis of iliac vein compression syndrome.
Front Bioeng Biotechnol
January 2025
Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China.
Iliac Vein Compression Syndrome (IVCS) is a common risk factor for deep vein thrombosis in the lower extremities. The objective of this study was to investigate whether employing a porous medium model to simulate the compressed region of an iliac vein could improve the reliability and accuracy of Computational Fluid Dynamics (CFD) analysis outcomes of IVCS. Pre-operative Computed Tomography (CT) scan images of patients with IVCS were utilized to reconstruct models illustrating both the compression and collateral circulation of the iliac vein.
View Article and Find Full Text PDFCombined technique versus stent-retriever alone: Interaction analysis of angioarchitectural and technical features.
Interv Neuroradiol
January 2025
Department of Neurology, Emory University School of Medicine-Atlanta, GA, USA.
Introduction: We aimed to explore if anatomical and technical features could interact and favor the chances of reperfusion according to the treatment strategy: combined technique (CoT) of mechanical thrombectomy (MT) with contact aspiration and stent-retriever (SR) versus SR alone.
Methods: Retrospective analysis of a prospective MT database for carotid terminus or MCA-M1 occlusion, first-line SR alone or CoT, and angiographic run with SR deployed on the first pass. The primary analysis involved the interaction between clinical and angiographic characteristics and first-line MT modality on first-pass effect (FPE; first pass eTICI2c-3).
The Displaced Fleck Sign: Description of a Radiographic Finding Consistent with Grade III Thumb Ulnar Collateral Ligament Tears with Stener Lesions.
J Hand Surg Am
January 2025
Department of Orthopaedic Surgery, University of Utah Hospital, Salt Lake City, UT. Electronic address:
Purpose: Controversy exists regarding the optimal imaging modality (magnetic resonance imaging, ultrasound, stress radiographs) for identification of patients with grossly unstable thumb metacarpophalangeal (MCP) ulnar collateral ligament (UCL) injuries or Stener lesions. We characterize a radiographic sign for this purpose. The "displaced fleck sign" is a small avulsion fracture from the ulnar proximal phalanx base that is displaced proximal to the MCP joint line.
View Article and Find Full Text PDFPortable devices for periodic monitoring of bioelectrical impedance along meridian pathways in healthy individuals.
Biomed Eng Online
January 2025
Department of Cardiovascular Surgery, Division of Cardiovascular Medicine, The Sixth Medical Center, Chinese PLA General Hospital, No.6 of Fucheng Road, Haidian District, Beijing, 100853, China.
Objective: This study aims to investigate the monthly variation patterns of bioelectrical impedance (BEI) along 24 meridian pathways in healthy individuals.
Methods: A cohort of 684 healthy middle-aged participants from North China was enrolled between July 1, 2017, and September 5, 2020. BEI measurements were consistently recorded along the 24 meridian pathways over the study period.
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