Browsing by Autor "Mariana Fraga Duarte"

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    Diferentes colores de luz: la alternativa sustentable para acelerar la producción agrícola
    (2020) Darío Calderón; Carmen Alfaro; Mariana Fraga Duarte; Elizabeth Gordillo Arrañaga; MARIA UCHÔA MONTEIRO RANGELUCHÔA MONTEIRO RANGEL; Maria Fernández de la Torre
    En esta investigación se propone una alternativaeconómica, sustentable y eficaz para aumentar la producción enla agricultura. Las plantas captan las diferentes longitudes deonda de luz para realizar fotosíntesis y obtener alimento. Cadaespecie posee diferentes pigmentos de acuerdo al medio en el quevive, por lo que cada planta aprovecha de distinta manera la luzpara crecer. Por lo anterior, el crecimiento de las plantas sepuede estimular utilizando la parte del espectro electromagnéticoadecuada, esto permitirá que la planta tenga un mejoraprovechamiento de energía y se acelerará su crecimiento.
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    Successful Microsurgical Replantation After Multiple Traumatic Amputations Caused by an Electric Grinder: A Case Report
    (International Journal of Medical Students, 2025) Martin Rodriguez Alvarado; Mariana Fraga Duarte; Sofia Rubiralta Adame; Alba Mayra Padilla; Celina Veronica Kishi Sutto; Jorge Luis Pérez Ruiz
    Traumatic digital amputations are uncommon but carry significant functional, aesthetic, and occupational consequences, particularly in young adults. Microsurgical replantation has been shown to restore hand function and improve quality of life; however, success depends on factors such as ischemia time, injury mechanism, tissue viability, and surgical technique. Machinery-related injuries are especially challenging due to extensive crush and avulsion damage, often limiting replantation possibilities. Recent evidence suggests that even in the absence of suitable veins for anastomosis, venous congestion techniques can sustain digital viability, with reported survival rates up to 78.5%. We report the case of a 24-year-old woman who suffered total traumatic amputation of the second (D2) and third (D3) digits, and partial amputation of the fourth (D4) digit of her right hand after an accident with an electric mill. She arrived at the emergency unit 1.5 hours post-injury. D3 was deemed non-replantable and underwent stump remodeling. Successful microvascular replantation of D2 was achieved, including bone fixation with Kirschner wires, terminal-to-terminal arterial anastomosis, nerve repair, and tenorrhaphy. Postoperative management included anticoagulation and antiplatelet therapy. At six weeks, fixation material was removed, and the patient continues rehabilitation with favorable outcomes and no major complications. This case demonstrates that meticulous microvascular reconstruction of digits, integrating bone, vascular, nerve, and tendon repair, can restore function and aesthetics in complex traumatic amputations. Early intervention, careful patient selection, technical precision, and comprehensive rehabilitative care are critical for success. Multidisciplinary management is essential, providing clinical evidence to guide surgical decision-making in similar high-complexity cases.