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24 results

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  • 3D-Printed Endoport vs. Open Surgery for Evacuation of Deep Intracerebral Hemorrhage

  • Everardo Garcia-Estrada, Jesús Alberto Morales-Gómez, Azalea Garza-Báez, Arturo Sotomayor-González, Isaac Jair Palacios-Ortiz, Mariana Mercado-Flores, Angel Raymundo Martínez-Ponce de León
  • Journal:
    Canadian Journal of Neurological Sciences / Volume 49 / Issue 5 / September 2022
    Published online by Cambridge University Press:
    29 July 2021, pp. 636-643
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  • Background:

    Large-sized clinical trials have failed to show an overall benefit of surgery over medical treatment in managing spontaneous intracerebral hemorrhages (ICH); less invasive techniques have shown to decrease brain injury caused by surgical manipulation in the standard open approach improving the clinical outcomes of patients. Thereby, we propose a low-cost 3D-printed endoport for a less invasive ICH evacuation. In this study, the authors compare the clinical outcomes of early surgical evacuation using a 3D-printed endoport vs. a standard open surgery (OS).

    Methods:

    A retrospective analysis was conducted comparing patients who underwent early evacuation of a deep hypertensive ICH through an endoport vs. OS at a single center from August 2017 to March 2019. Demographic, clinical, and radiologic data were reviewed. The primary outcomes were the 90-day post-stroke functional outcome and mortality.

    Results:

    A total of 36 patients were included. The two cohorts (18 endoport; 18 OS) showed no statistically significant differences in demographic, clinical, and radiologic characteristics, including median admission hemorrhage volume, Glasgow Coma Scale, and ICH scores. At 90-day post-stroke, 44% of patients in the endoport group and 17% in the OS group had a favorable functional outcome (mRS 0–3) (p = 0.039); moreover, the endoport group showed lower mortality (33% vs. 72%, p = 0.019).

    Conclusions:

    This study suggests that an endoport-assisted ICH evacuation may have better functional outcomes and lower mortality than OS. The proposed device could provide a safe, low-cost alternative for ICH’s surgical treatment. More rigorous research is hence needed to assess the potential benefits of this technique.

  • Gold Palladium Thin Films: Multi-twinned Nanoparticles to Five-fold Annealing Twins

  • Prakash Parajuli, Arturo Ponce
  • Journal:
    Microscopy and Microanalysis / Volume 25 / Issue S2 / August 2019
    Published online by Cambridge University Press:
    05 August 2019, pp. 2344-2345
    Print publication:
    August 2019
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  • Electron Holography, a Routine Application Workflow

  • E. Voelkl, Arturo Ponce
  • Journal:
    Microscopy and Microanalysis / Volume 24 / Issue S1 / August 2018
    Published online by Cambridge University Press:
    01 August 2018, pp. 1462-1463
    Print publication:
    August 2018
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  • TEM In situ Plastic Deformation of Silver Nanowires

  • J. Eduardo Ortega, Diego Alducin, Arturo Ponce
  • Journal:
    Microscopy and Microanalysis / Volume 21 / Issue S3 / August 2015
    Published online by Cambridge University Press:
    23 September 2015, pp. 941-942
    Print publication:
    August 2015
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  • On the Weak Forces on Nanoparticles

  • Diego Alducin, Miguel Jose-Yacaman, Arturo Ponce
  • Journal:
    Microscopy and Microanalysis / Volume 21 / Issue S3 / August 2015
    Published online by Cambridge University Press:
    23 September 2015, pp. 955-956
    Print publication:
    August 2015
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Page 1 of 2