Showing 641 - 660 results of 674 for search '"blood flow"', query time: 0.09s Refine Results
  1. 641

    A novel arterial coupler with non-return snap-fit connection approach optimized arterial end-to-end anastomotic technique: An experimental study by Hong-Bo Guo, Mo-Fei Wang, Ren-Qi Yin, Kang-Kang Zhi

    Published 2025-01-01
    “…The results of electromagnetic flowmeter, vascular Doppler ultrasound, and pathological examination showed that QAC-assisted anastomotic arteries were superior to hand-sewn arteries in terms of postoperative blood flow (16.86 ± 3.93 vs. 10.36 ± 0.92 mL/min) and vascular patency in 6 weeks after surgery. …”
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  2. 642

    The Role of Intravenous Selexipag in Managing PAH and Bridging Gaps in Oral Treatment: A Narrative Review by Goren S, Kidwai N, Aronow WS, Lanier GM

    Published 2025-01-01
    “…Oral selexipag, approved by the Food and Drug Administration (FDA) in 2015 for the treatment of PAH, targets prostacyclin receptors on pulmonary arterial vascular smooth muscle and endothelial cells to improve blood flow through the lungs and reduce pulmonary vascular resistance. …”
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  3. 643

    Body donor reperfusion and re-ventilation in medical training: an Italian study testing SimLife® by Irene Neri, Giulio Vara, Antonietta Fazio, Maria Vittoria Marvi, Foteini-Dionysia Koufi, Elisa Boschetti, Simone Lodi, Giulia Adalgisa Mariani, Marilisa Quaranta, Anna Maria Billi, Alessandra Ruggeri, Carlo Barausse, Cyril Brèque, Annalisa Plava, Veronica Moretti, Lucia Manzoli, Stefano Ratti

    Published 2025-01-01
    “…One such simulation platform is SimLife®, which uses the Pulse for Practice (P4P) system to enable realistic restoration of airflow (“re-ventilation”) and blood flow (“revascularization”) in bodies donated to science.ObjectiveThis study aimed to evaluate the feasibility of introducing SimLife® technology in Italy. …”
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  4. 644

    Pengaruh Terapi Oksigen Menggunakan Non-Rebreathing Mask Terhadap Tekanan Parsial CO2 Darah pada Pasien Cedera Kepala Sedang by Hendrizal ., Syaiful Saanin, Hafni Bachtiar

    Published 2014-01-01
    “…<br />Kata kunci: Terapi Oksigen, Non-Rebreathing Mask, Tekanan Parsial CO2 Darah</p><p>Abstract<br />The partial pressure of CO2 is very influential on cerebral blood flow (CBF) and intra kanial pressure. The background of this research is that the pressure of the gas mixture in the theory of John Dalton stated that if one of the gas pressure in the gas mixture increases, the partial pressure of other gases will decline. …”
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  5. 645

    Experimental evidence-based construction of electroacupuncture for ischemic stroke: a meta-analysis and systematic review by Yaoguang Guo, Sihan Hu, Sihan Hu, Shiman Luo, Lang Tu, Yao Tang, Fang Zeng, Fang Zeng, Fang Zeng

    Published 2025-02-01
    “…The heterogeneity of the included studies points to complex underlying mechanisms, potentially involving modulation of apoptotic pathways and cerebral blood flow.ConclusionThis meta-analysis substantiates the neuroprotective potential of EA in ischemic stroke models, primarily through apoptosis modulation and possibly through improved cerebral perfusion. …”
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  6. 646

    High-performance laser speckle contrast image vascular segmentation without delicate pseudo-label reliance by Shenglan Yao, Huiling Wu, Suzhong Fu, Shuting Ling, Kun Wang, Hongqin Yang, Yaqin He, Xiaolan Ma, Xiaofeng Ye, Xiaofei Wen, Qingliang Zhao

    Published 2025-01-01
    “…High-quality microvascular segmentation is critical for analyzing and evaluating vascular morphology and blood flow dynamics. However, achieving high-quality vessel segmentation has always been a challenge due to the cost and complexity of label data acquisition and the irregular vascular morphology. …”
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  7. 647

    Cerebral microvascular density, blood-brain barrier permeability, and support for neuroinflammation indicate early aging in a Marfan syndrome mouse model by Tala Curry-Koski, Tala Curry-Koski, Liam P. Curtin, Mitra Esfandiarei, Mitra Esfandiarei, Mitra Esfandiarei, Theresa Currier Thomas, Theresa Currier Thomas, Theresa Currier Thomas, Theresa Currier Thomas

    Published 2025-01-01
    “…We have reported that pre-mature vascular aging in MFS mice could extend to cerebrovasculature, where peak blood flow velocity in the posterior cerebral artery (PCA) of 6-month-old (6M) MFS mice was reduced, similarly to 12-month-old (12M) control mice. …”
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  8. 648

    Validation of the efficacy of the porous medium model in hemodynamic analysis of iliac vein compression syndrome by Lingling Wei, Ke Hu, Jiaqiu Wang, Shuang Zhang, Xiaoxiao Yang, Yuanli Chen, Chenshu Li, Xinwu Lu, Kaichuang Ye, Peng Qiu, Yanqing Zhan, Yanqing Zhan

    Published 2025-01-01
    “…In comparison to CFD analysis conducted without the porous medium model, the incorporation of the porous medium model resulted in a substantial decrease in blood flow velocity by 87.5% within the compressed region, a significant increase in pressure gradient of 141 Pa between the inferior vena cava and left iliac vein, and a wider distribution of wall shear stress exceeding 2.0 Pa in collateral vessels rather than in the compressed region. …”
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  9. 649

    Nitrate–Nitrite–Nitric Oxide Pathway, Oxidative Stress, and Fertility Outcomes in Morbidly Obese Women Following Bariatric Surgery: A Systematic Review by Charalampos Voros, Despoina Mavrogianni, Aspasia Minaoglou, Alexios Karakasis, Anthi-Maria Papahliou, Vasileios Topalis, Antonia Varthaliti, Raphail Mantzioros, Panagiota Kondili, Menelaos Darlas, Regina Sotiropoulou, Diamantis Athanasiou, Dimitrios Loutradis, Georgios Daskalakis

    Published 2024-12-01
    “…The NO<sub>3</sub>-NO<sub>2</sub>-NO route is critical in compensating for lower NO generation under oxidative stress and hypoxia, and bariatric surgery significantly improves this pathway to optimize blood flow, mitochondrial function, and reproductive results.…”
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  10. 650

    Differentiation between glioblastoma and solitary brain metastases using perfusion and amide proton transfer weighted MRI by Malte Knutsson, Tim Salomonsson, Faris Durmo, Emelie Ryd Johansson, Anina Seidemo, Jimmy Lätt, Anna Rydelius, Sara Kinhult, Elisabet Englund, Johan Bengzon, Peter C. M. van Zijl, Peter C. M. van Zijl, Linda Knutsson, Linda Knutsson, Linda Knutsson, Pia C. Sundgren, Pia C. Sundgren, Pia C. Sundgren

    Published 2025-02-01
    “…The objective of this study was to assess whether amide proton transfer weighted (APTw) MRI alone or combined with dynamic susceptibility contrast (DSC) MRI parameters, including cerebral blood volume (CBV), cerebral blood flow (CBF), and leakage parameter (K2) measurements, can differentiate GBM from MET.MethodsAPTw MRI and DSC-MRI were performed on 18 patients diagnosed with GBM (N = 10) or MET (N = 8). …”
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  11. 651

    Accelerated phase-contrast magnetic resonance imaging with use of resolution enhancement generative adversarial neural network by Manuel A. Morales, Fahime Ghanbari, Ömer Burak Demirel, Jordan A. Street, Tess E. Wallace, Rachel Davids, Jennifer Rodriguez, Scott Johnson, Patrick Pierce, Warren J. Manning, Reza Nezafat

    Published 2025-01-01
    “…ABSTRACT: Background: Cardiovascular magnetic resonance (CMR) phase contrast is used to quantify blood flow. We sought to develop a complex-difference reconstruction for inline super-resolution of phase-contrast flow (CRISPFlow) to accelerate phase-contrast imaging. …”
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  12. 652

    Cerebral vascular shunting and oxygen metabolism in sickle cell disease by Alexander K. Song, Wesley T. Richerson, Megan A. Aumann, Spencer L. Waddle, R. Sky Jones, Samantha Davis, Lauren Milner, Chelsea Custer, L. Taylor Davis, Sumit Pruthi, Dann Martin, Lori C. Jordan, Manus J. Donahue

    Published 2025-01-01
    “…Vascular shunting was assessed in each patient using a previously published ordinal venous hyperintensity score (VHS) of 0, 1, or 2 on cerebral blood flow-weighted MRI. Participants with VHS of 2, indicative of the most rapid arteriovenous transit, had significantly reduced blood oxygen content (CaO2; 10.90 ± 1.69 mL O2/100 mL blood), oxygen extraction fraction (OEF; 33.52% ± 5.54%), and cerebral metabolic rate of oxygen consumption (CMRO2; 2.91 ± 0.69 mL O2/100 g tissue per minute) compared with their counterparts with VHS = 0 (CaO2 = 12.42 ± 1.58 mL O2/100 mL blood; OEF = 39.03% ± 3.80%; CMRO2 = 3.77 ± 0.84 mL O2/100 g tissue per minute) or VHS = 1 (CaO2 = 11.86 ± 1.73 mL O2/100 mL blood; OEF = 36.37% ± 5.11%; CMRO2 = 3.59 ± 0.78 mL O2/100 g tissue per minute). …”
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  13. 653

    Effect of L-Citrulline on Creatine Kinase MM (CK-MM) Isoenzymes in Mice: An In Vivo Study Focusing on Immunohistochemistry Analysis by Dhoni Akbar Ghozali, Annisa Aghnia Rahma, Shafira Nur Hanifa, Muhana Fawwazy Ilyas

    Published 2024-09-01
    “…This study contributes valuable insights into the multifaceted benefits of L-citrulline supplementation for supporting overall muscle health and performance by identifying its protective effects under different mechanisms, including improved blood flow, antioxidant activity, enhanced mitochondrial function, and promotion of muscle protein synthesis.   …”
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  14. 654

    Effects of Electroacupuncture Preconditioning at Baihui and Zusanli Acupoints on the Expression of Inflammatory Factors in Brain and Intestines of Rats with Cerebral Ischemia/Reper... by ZHANG Jiyao, TANG Qiang, ZHU Luwen

    Published 2021-12-01
    “…The S-con group was operated according to the model of middle cerebral artery occlusion/reperfusion (MCAO/R) with no blocking of the cerebral blood flow and reperfusion. The M-con group was given the operation of MCAO/R model and the cerebral blood perfusion was restored after 120 minutes. …”
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  15. 655

    Lead-induced actin polymerization aggravates neutrophil extracellular trap formation and contributes to vascular inflammation by Qiying Nong, Yanjun Wu, Suhui Liu, Yinyin Tang, Jiayun Wu, Hongmei Huang, Jiaying Hong, Yiru Qin, Ruimei Xu, Wenxia Zhao, Baowei Chen, Zhenlie Huang, Ligang Hu, Na Zhao, Yongshun Huang

    Published 2025-01-01
    “…Furthermore, Pb exposure exacerbates blood pressure and vascular inflammation in vascular tissues, leading to abnormal aortic blood flow in mice. These injuries are potentially associated with NET formation, which is supported by the positive correlation between NETs and vascular inflammation. …”
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  16. 656

    Angioblast Derived from ES Cells Construct Blood Vessels and Ameliorate Diabetic Polyneuropathy in Mice by Tatsuhito Himeno, Hideki Kamiya, Keiko Naruse, Zhao Cheng, Sachiko Ito, Taiga Shibata, Masaki Kondo, Jiro Kato, Tetsuji Okawa, Atsushi Fujiya, Hirohiko Suzuki, Tetsutaro Kito, Yoji Hamada, Yutaka Oiso, Kenichi Isobe, Jiro Nakamura

    Published 2015-01-01
    “…Angioblast-like cells were obtained from mouse embryonic stem cells and transplantation of these cells improved several physiological impairments in diabetic polyneuropathy: hypoalgesia, delayed nerve conduction velocities, and reduced blood flow in sciatic nerve and plantar skin. Furthermore, pathologically, the capillary number to muscle fiber ratios were increased in skeletal muscles of transplanted hindlimbs, and intraepidermal nerve fiber densities were ameliorated in transplanted plantar skin. …”
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  17. 657

    Delta radiomics modeling based on CTP for predicting hemorrhagic transformation after intravenous thrombolysis in acute cerebral infarction: an 8-year retrospective pilot study by Xiaxia Wu, Xiaxia Wu, Jinfang Yang, Jinfang Yang, Xianqun Ji, Yingjian Ye, Ping Song, Lina Song, Peng An, Peng An

    Published 2025-02-01
    “…Hemodynamic parameters such as cerebral blood volume (CBV), cerebral blood flow (CBF), and time to peak (TTP) were obtained using CTP techniques. …”
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  18. 658

    A study of relationship between cardiac exposure dose-volume and cardiovascular autonomic dysfunction in radiotherapy by CHEN Hongyu, SU Pengyu, LUO Wenzi, PANG Dequan, WANG Feiran

    Published 2024-11-01
    “…Meanwhile, the cardiovascular autonomic nervous system plays a significant regulatory role in heart rate, myocardial function and myocardial blood flow. AD increases the morbidity and mortality risk of cardiovascular diseases in patients. …”
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  19. 659

    IOP-lowering and neuroprotective treatment for glaucoma: reality and prospects by A.E. Egorov, N.G. Glazko, A.B. Movsisyan

    Published 2019-09-01
    “…., IOP lowering to achieve target IOP, maintenance and improvement of ocular blood flow, and neural retinal protection. Currently, prostaglandin analogues and their combinations are considered the most effective IOP-lowering agents. …”
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  20. 660

    A cross-sectional study on the correlation between internal cerebral vein asymmetry and hemorrhagic transformation following endovascular thrombectomy by Kunxin Lin, Kunxin Lin, Wenlong Zhao, Wenlong Zhao, Quanhong Wu, Quanhong Wu, Yiru Zheng, Yiru Zheng, Bo Yang, Ying Fu, Ying Fu, Ning Wang, Ning Wang, Ling Fang, Ling Fang

    Published 2025-01-01
    “…In multivariate logistic regression, ICV asymmetry (OR 3.809, 95% CI 1.582–9.171), baseline Alberta Stroke Program Early CT Score (OR 0.771, 95% CI 0.608–0.978), intravenous recombinant tissue plasminogen activator (OR 2.847, 95% CI 1.098–2.7.385), and poor collateral circulation (OR 3.998, 95% CI 1.572–10.169) were identified as independent risk factors of HT.ConclusionICV asymmetry, likely resulting from impaired autoregulation or tissue micro-perfusion hampering cerebral blood flow (CBF), is a novel radiological sign that independently predicts HT. …”
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