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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8307697 | PMC |
| http://dx.doi.org/10.1016/j.xjtc.2020.09.021 | DOI Listing |
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Coronary anatomy governs local haemodynamics associated with atherosclerotic development, progression and ultimately adverse clinical outcomes. However, lack of large sample size studies and methods to link adverse haemodynamics to anatomical information has hindered meaningful insights to date. The Left Main coronary bifurcations of 127 patients with suspected coronary artery disease in the absence of significant stenosis were segmented from CTCA images before computing the local haemodynamics.
View Article and Find Full Text PDFSuperficial palmar branch of radial artery flap for digital skin reconstruction: anatomical study and clinical applications.
Surg Radiol Anat
December 2024
Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.
Article Synopsis
- The study examines the superficial palmar branch of the radial artery (SUPBRA) to improve techniques for reconstructing palmar skin, focusing on its anatomy and harvesting methods.
- Researchers dissected 19 male hand specimens to gather detailed anatomical data, including dimensions and positions of key structures related to SUPBRA, analyzing how best to utilize this flap in reconstruction efforts.
- Results indicated that the SUPBRA has adequate dimensions for viability in surgical applications, with specific measurements and the identification of critical vascular contributions that ensure successful use in cases of hand injury.
This case report describes a unique presentation of May-Thurner syndrome (MTS) in a 28-year-old woman, characterized by the congenital bifurcation of the left common iliac vein (LCIV) into the outer (OLCIV) and inner (ILCIV) segments. Both veins experienced significant compression - OLCIV proximally and ILCIV medially - due to the overlying right common iliac artery (RCIA) and lumbar spine. The patient presented with bilateral spider veins, lower extremity swelling, pelvic discomfort, and bilateral leg cramping.
View Article and Find Full Text PDFHemodynamic comparisons of different shunt positions and geometrical model simplification strategies in the simulation of transjugular intrahepatic portosystemic shunt (TIPS).
Sci Rep
December 2024
School of Gongli Hospital Medical Technology, University of Shanghai for Science and Technology, No. 516 Jungong Road, Yangpu District, Shanghai, 200093, China.
Article Synopsis
- TIPS surgery is common for treating portal hypertension, impacting postoperative complications tied to the portal venous system's hemodynamics.
- The study utilizes computational modeling to evaluate hemodynamic outcomes based on varying shunt positions and geometrical simplification strategies, using clinical data from two patients.
- Results indicated that placing the shunt at the main portal vein is preferable for reducing postoperative portal pressure and wall shear stress, while underscoring the importance of model simplifications in simulations.
Influence of vascular embolism level and drug injection rate on thrombolytic therapy of bifurcated femoral vein: Numerical simulation and validation study.
Comput Methods Programs Biomed
December 2024
College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou, 325035, China.
Background And Objective: Deep vein thrombosis (DVT) of the lower limbs is a critical global vascular disease. Accurately assessing and predicting the efficacy of DVT treatment remains a significant challenge due to a lack of understanding of the mechanisms by which the level of patient-specific embolization and the rate of drug injection affect thrombolytic therapy.
Methods: In this study, we used the computed tomographic venography (CTV) clinical method to obtain patient-specific parameters, and the flow-solid interaction (FSI) method combined with biochemical response modeling of thrombolysis to analyze patient-specific hemodynamic and biomechanical characteristics and to quantitatively assess the effects of three vessel embolism levels (VEL) versus two drug injection rates (DIR) on bifurcated femoral venous thrombolytic therapy.
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