Showing 481 - 500 results of 505 for search '"blood flow"', query time: 0.08s Refine Results
  1. 481

    A Test-Retest Study of Single- and Multi-Delay pCASL for Choroid Plexus Perfusion Imaging in Healthy Subjects Aged 19 to 87 Years by Zixuan Liu, Qinyang Shou, Kay Jann, Chenyang Zhao, Danny JJ Wang, Xingfeng Shao

    Published 2025-03-01
    “…This study systematically evaluated the test-retest reliability and quantification accuracy of cerebral blood flow (CBF) measurements, focusing on the ChP, using single-delay and multi-delay 3D gradient-and-spin echo (GRASE) pseudo-continuous ASL (pCASL) on 28 subjects (aged 19 to 87 years, 14 males/14 females) at 3.0 tesla. …”
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  2. 482

    Mediastinal Tracheostoma for Treatment of Tracheostenosis after Tracheostomy in a Patient with Mucopolysaccharidosis-Induced Tracheomalacia by Yasuhiro Chikaishi, Kenichi Kobayashi, Shuichi Shinohara, Akihiro Taira, Yusuke Nabe, Shinji Shinohara, Taiji Kuwata, Masaru Takenaka, Soichi Oka, Ayako Hirai, Kazue Yoneda, Koji Kuroda, Naoko Imanishi, Yoshinobu Ichiki, Fumihiro Tanaka

    Published 2017-01-01
    “…For airway management, a mediastinal tracheostoma was created with extracorporeal membrane oxygenation. To maintain the blood flow, the skin incision for the mediastinal tracheal hole was sharply cut without an electrotome. …”
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  3. 483

    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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  4. 484

    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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  5. 485

    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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  6. 486

    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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  7. 487

    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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  8. 488

    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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  9. 489

    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. 490

    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. 491

    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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  12. 492

    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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  13. 493

    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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  14. 494

    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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  15. 495

    Soluble and cell-based markers of immune checkpoint inhibitor-associated nephritis by Sandra M Herrmann, Riley Fadden, Ryan J Sullivan, Kerry L Reynolds, Harish Seethapathy, Meghan E Sise, Shruti Gupta, Alexandra-Chloe Villani, Qiyu Wang, Daiana Moreno, Destiny Harden, R Neal Smith, Ivy A Rosales, Robert B Colvin, Sarah Chute, Lynn D Cornell, Nancy J Yang, Sara Barmettler, Sophia Wells, Jocelyn Farmer

    Published 2023-01-01
    “…A sIL-2R cut-off point of 1.75-fold ULN was highly diagnostic of ICI-nephritis (area under the curve &gt;96%) when compared with either ICI-treated or hemodynamic AKI controls. By peripheral blood flow cytometry analysis, lower absolute CD8+T cells, CD45RA+CD8+ T cells, memory CD27+B cells, and expansion of plasmablasts were prominent features of ICI-nephritis compared with ICI-treated controls. …”
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  16. 496

    Effect of Traditional Chinese Medicine fumigation combined with acupoint massage in the prevention of deep venous thrombosis of lower limbs in elderly hospitalized patients in the... by DONG Fangfang (董芳芳), ZHANG Linying (张林英), HE Yan (贺艳), XU Man (许曼), LIU Zijing (刘紫荆), XIONG Qiuwan (熊秋婉)

    Published 2023-09-01
    “…Conclusion Through improving lower limb blood flow and reducing blood hypercoagulability and D-dimer level, Traditional Chinese medicine fumigation therapy combined with acupoint massage is potentially effective in the prevention of lower limb venous thrombosis in elderly patients. …”
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    Article
  17. 497

    Quantitative swept-source optical coherence tomography angiography (SS-OCTA) analysis of macular microvascular alterations in Bietti crystalline dystrophy by Shiyi Yin, Jinyuan Wang, Haihan Zhang, Xuan Yang, Jingting Luo, Wenbin Wei

    Published 2025-04-01
    “…This study aimed to evaluate changes in retinal and choroidal vessels and blood flow in BCD patients using swept-source optical coherence tomography angiography (SS-OCTA) and to investigate potential parameters associated with visual function. …”
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  18. 498
  19. 499

    Dual-modal super-resolution ultrasound and NIR-II fluorescence imaging of ischemic stroke with ICG-doped porous PLGA microspheres by Ziyue Li, Yu Qiang, Dongli Chen, Dehong Hu, Duyang Gao, Xiaohua Xu, Lei Sun, Yingjia Li, Weibao Qiu, Zonghai Sheng

    Published 2025-04-01
    “…Ischemic stroke, resulting from the obstruction of blood flow to the brain, remains a leading cause of morbidity and mortality worldwide. …”
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  20. 500

    Genes Induced by Panax Notoginseng in a Rodent Model of Ischemia-Reperfusion Injury by Lanqing Meng, Qing Huang, Xuebin Li, Ping Liang, Yueyong Li, Xiaohua Huang, Jingjie Zhao, Qiuping Chen, Rong Qiu, Lan Li, Chongdong Jian, Hongfei Yao, Jianmin Huang, Xionglin Tang, Zechen Wang, Zhongheng Wei, Jun Wu, Liuzhi Wei, Qiuju Wei, Qianli Tang, Lu Huang, Jihua Wei, Dinggui Lu, Qunqiang Luo, Kegong Xie, Yang Ouyang, Jian Chen, Genliang Li, Linxue Luo, Linbo He, Chenyi Zhuo, Anding Xu, Lingzhang Meng

    Published 2020-01-01
    “…Stroke is a cerebrovascular disease that results in decreased blood flow. Although Panax notoginseng (PN), a Chinese herbal medicine, has been proven to promote stroke recovery, its molecular mechanism remains unclear. …”
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