183 results on '"Aguilar M"'
Search Results
2. The Alpha Magnetic Spectrometer (AMS) on the international space station:Part II — results from the first seven years
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Aguilar, M. (M.), Cavasonza, L. A. (L. Ali), Ambrosi, G. (G.), Arruda, L. (L.), Attig, N. (N.), Barao, F. (F.), Barrin, L. (L.), Bartoloni, A. (A.), Basegmez-du Pree, S. (S.), Bates, J. (J.), Battiston, R. (R.), Behlmann, M. (M.), Beischer, B. (B.), Berdugo, J. (J.), Bertucci, B. (B.), Bindi, V. (V), de Boer, W. (W.), Bollweg, K. (K.), Borgia, B. (B.), Boschini, M. (Mj), Bourquin, M. (M.), Bueno, E. F. (E. F.), Burger, J. (J.), Burger, W. J. (W. J.), Burmeister, S. (S.), Cai, X. D. (X. D.), Capell, M. (M.), Casaus, J. (J.), Castellini, G. (G.), Cervelli, F. (F.), Chang, Y. H. (Y. H.), Chen, G. M. (G. M.), Chen, H. S. (H. S.), Chen, Y. (Y.), Cheng, L. (L.), Chou, H. Y. (H. Y.), Chouridou, S. (S.), Choutko, V. (V), Chung, C. H. (C. H.), Clark, C. (C.), Coignet, G. (G.), Consolandi, C. (C.), Contin, A. (A.), Corti, C. (C.), Cui, Z. (Z.), Dadzie, K. (K.), Dai, Y. M. (Y. M.), Delgado, C. (C.), Della Torre, S. (S.), Demirkoz, M. B. (M. B.), Derome, L. (L.), Di Falco, S. (S.), Di Felice, V. (V), Diaz, C. (C.), Dimiccoli, F. (F.), von Doetinchem, P. (P.), Dong, F. (F.), Donnini, F. (F.), Duranti, M. (M.), Egorov, A. (A.), Eline, A. (A.), Feng, J. (J.), Fiandrini, E. (E.), Fisher, P. (P.), Formato, V. (V), Freeman, C. (C.), Galaktionov, Y. (Y.), Gamez, C. (C.), Garcia-Lopez, R. J. (R. J.), Gargiulo, C. (C.), Gast, H. (H.), Gebauer, I. (I), Gervasi, M. (M.), Giovacchini, F. (F.), Gomez-Coral, D. M. (D. M.), Gong, J. (J.), Goy, C. (C.), Grabski, V. (V), Grandi, D. (D.), Graziani, M. (M.), Guo, K. H. (K. H.), Haino, S. (S.), Han, K. C. (K. C.), Hashmani, R. K. (R. K.), He, Z. H. (Z. H.), Heber, B. (B.), Hsieh, T. H. (T. H.), Hu, J. Y. (J. Y.), Huang, Z. C. (Z. C.), Hungerford, W. (W.), Incagli, M. (M.), Jang, W. Y. (W. Y.), Jia, Y. (Yi), Jinchi, H. (H.), Kanishev, K. (K.), Khiali, B. (B.), Kim, G. N. (G. N.), Kirn, T. (Th), Konyushikhin, M. (M.), Kounina, O. (O.), Kounine, A. (A.), Koutsenko, V. (V), Kuhlman, A. (A.), Kulemzin, A. (A.), La Vacca, G. (G.), Laudi, E. (E.), Laurenti, G. (G.), Lazzizzera, I. (I), Lebedev, A. (A.), Lee, H. T. (H. T.), Lee, S. C. (S. C.), Leluc, C. (C.), Li, J. Q. (J. Q.), Li, M. (M.), Li, Q. (Q.), Li, S. (S.), Li, T. X. (T. X.), Li, Z. H. (Z. H.), Light, C. (C.), Lin, C. H. (C. H.), Lippert, T. (T.), Liu, Z. (Z.), Lu, S. Q. (S. Q.), Lu, Y. S. (Y. S.), Luebelsmeyer, K. (K.), Luo, J. Z. (J. Z.), Lyu, S. S. (S. S.), Machate, F. (F.), Mana, C. (C.), Marin, J. (J.), Marquardt, J. (J.), Martin, T. (T.), Martinez, G. (G.), Masi, N. (N.), Maurin, D. (D.), Menchaca-Rocha, A. (A.), Meng, Q. (Q.), Mo, D. C. (D. C.), Molero, M. (M.), Mott, P. (P.), Mussolin, L. (L.), Ni, J. Q. (J. Q.), Nikonov, N. (N.), Nozzoli, F. (F.), Oliva, A. (A.), Orcinha, M. (M.), Palermo, M. (M.), Palmonari, F. (F.), Paniccia, M. (M.), Pashnin, A. (A.), Pauluzzi, M. (M.), Pensotti, S. (S.), Phan, H. D. (H. D.), Plyaskin, V. (V), Pohl, M. (M.), Porter, S. (S.), Qi, X. M. (X. M.), Qin, X. (X.), Qu, Z. Y. (Z. Y.), Quadrani, L. (L.), Rancoita, P. G. (P. G.), Rapin, D. (D.), Conde, A. R. (A. Reina), Rosier-Lees, S. (S.), Rozhkov, A. (A.), Rozza, D. (D.), Sagdeev, R. (R.), Schael, S. (S.), Schmidt, S. M. (S. M.), von Dratzig, A. S. (A. Schulz), Schwering, G. (G.), Seo, E. S. (E. S.), Shan, B. S. (B. S.), Shi, J. Y. (J. Y.), Siedenburg, T. (T.), Solano, C. (C.), Song, J. W. (J. W.), Sonnabend, R. (R.), Sun, Q. (Q.), Sun, Z. T. (Z. T.), Tacconi, M. (M.), Tang, X. W. (X. W.), Tang, Z. C. (Z. C.), Tian, J. (J.), Ting, S. C. (Samuel C. C.), Ting, S. M. (S. M.), Tomassetti, N. (N.), Torsti, J. (J.), Tuysuz, C. (C.), Urban, T. (T.), Usoskin, I. (I), Vagelli, V. (V.), Vainio, R. (R.), Valente, E. (E.), Valtonen, E. (E.), Vazquez Acosta, M. (M.), Vecchi, M. (M.), Velasco, M. (M.), Vialle, J. P. (J. P.), Wang, L. Q. (L. Q.), Wang, N. H. (N. H.), Wang, Q. L. (Q. L.), Wang, S. (S.), Wang, X. (X.), Wang, Z. X. (Z. X.), Wei, J. (J.), Weng, Z. L. (Z. L.), Wu, H. (H.), Xiong, R. Q. (R. Q.), Xu, W. (W.), Yan, Q. (Q.), Yang, Y. (Y.), Yi, H. (H.), Yu, Y. J. (Y. J.), Yu, Z. Q. (Z. Q.), Zannoni, M. (M.), Zhang, C. (C.), Zhang, F. (F.), Zhang, F. Z. (F. Z.), Zhang, J. H. (J. H.), Zhang, Z. (Z.), Zhao, F. (F.), Zheng, Z. M. (Z. M.), Zhuang, H. L. (H. L.), Zhukov, V. (V), Zichichi, A. (A.), Zimmermann, N. (N.), and Zuccon, P. (P.)
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Cosmic ray detectors ,Particle dark matter ,Astrophysics::High Energy Astrophysical Phenomena ,Cosmic ray composition & spectra ,Cosmic ray propagation ,International space station ,Alpha Magnetic Spectrometer ,Cosmic ray sources ,Cosmic ray acceleration ,Particle astrophysics - Abstract
The Alpha Magnetic Spectrometer (AMS) is a precision particle physics detector on the International Space Station (ISS) conducting a unique, long-duration mission of fundamental physics research in space. The physics objectives include the precise studies of the origin of dark matter, antimatter, and cosmic rays as well as the exploration of new phenomena. Following a 16-year period of construction and testing, and a precursor flight on the Space Shuttle, AMS was installed on the ISS on May 19, 2011. In this report we present results based on 120 billion charged cosmic ray events up to multi-TeV energies. This includes the fluxes of positrons, electrons, antiprotons, protons, and nuclei. These results provide unexpected information, which cannot be explained by the current theoretical models. The accuracy and characteristics of the data, simultaneously from many different types of cosmic rays, provide unique input to the understanding of origins, acceleration, and propagation of cosmic rays.
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- 2020
3. Systolic blood pressure and mortality in acute symptomatic pulmonary embolism
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Universidad de Sevilla. Departamento de Medicina, Bayer Pharma AG, Sanofi Spain, Quezada, A., Jiménez, D., Bikdeli, B., Moores, L., Porres-Aguilar, M., Aramberri, M., Otero Candelera, Remedios, Universidad de Sevilla. Departamento de Medicina, Bayer Pharma AG, Sanofi Spain, Quezada, A., Jiménez, D., Bikdeli, B., Moores, L., Porres-Aguilar, M., Aramberri, M., and Otero Candelera, Remedios
- Abstract
Background: The optimal cutoff for systolic blood pressure (SBP) level to define high-risk pulmonary embolism (PE) remains to be defined. Methods: To evaluate the relationship between SBP levels on admission and mortality in patients with acute symptomatic PE, the current study included 39,257 consecutive patients with acute symptomatic PE from the RIETE registry between 2001 and 2018. Primary outcomes included all-cause and PE-specific 30-day mortality. Secondary outcomes included major bleeding and recurrent venous thromboembolism (VTE). Results: There was a linear inverse relationship between admission SBP and 30-day all-cause and PE-related mortality that persisted after multivariable adjustment. Patients in the lower SBP strata had higher rates of all-cause death (reference: SBP 110-129 mmHg) (adjusted odds ratio [OR] 2.9; 95% confidence interval [CI], 2.0-4.2 for SBP <70 mmHg; and OR 1.7; 95% CI, 1.4-2.1 for SBP 70-89 mmHg). The findings for 30-day PE-related mortality were similar (adjusted OR 4.4; 95% CI, 2.7-7.2 for SBP <70 mmHg; and OR 2.6; 95% CI, 1.9-3.4 for SBP 70-89 mmHg). Patients in the higher strata of SBP had significantly lower rates of 30-day all-cause mortality compared with the same reference group (adjusted OR 0.7; 95% CI, 0.5-0.9 for SBP 170-190 mmHg; and OR 0.6; 95% CI, 0.4-0.9 for SBP >190 mmHg). Consistent findings were also observed for 30-day PE-related death. Conclusions: In patients with acute symptomatic PE, a low SBP portends an increased risk of all-cause and PE-related mortality. The highest mortality was observed in patients with SBP <70 mmHg.
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- 2020
4. Managing site remediation: the Environmental Protection Agency (EPA) Superfund program
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Walker, S., primary, Donovan, B., additional, Taylor, M., additional, and Aguilar, M., additional
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- 2013
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5. Contributor contact details
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Devgun, J., primary, LeClair, J., additional, Rawlings, M., additional, Ordonez, J.P., additional, De Lorenzo, N., additional, Allen, C., additional, Berg, H.P., additional, Brennecke, P., additional, Noynaert, L., additional, Grenouillet, J-J., additional, Walker, S., additional, Donovan, B., additional, Taylor, Melissa, additional, Aguilar, M., additional, Taggart, D., additional, Ritzman, R., additional, Varjoranta, T., additional, Laraia, M., additional, and Pescatore, Claudio, additional
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- 2013
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6. Chemistry and Biology of Pancratium Alkaloids
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Cedrón, Juan C., primary, Del Arco-Aguilar, M., additional, Estévez-Braun, Ana, additional, and Ravelo, Ángel G., additional
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- 2010
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7. PEPTIDES
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Aguilar, M.-I., primary and Purcell, A.W., additional
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- 2005
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8. Diet quality index as a predictor of treatment efficacy in overweight and obese adolescents: The EVASYON study
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Instituto de Salud Carlos III, Ministerio de Sanidad, Consumo y Bienestar Social (España), Ministerio de Asuntos Exteriores y Cooperación (España), Diputación General de Aragón, European Commission, Miguel-Etayo, Pilar de, Moreno, Luis A., Santabárbara, Javier, Martín-Matillas, Miguel, Azcona, Cristina, Martí, Amelia, Campoy, Cristina, Marcos, Ascensión, Garagorri, Jesús M., López-Belmonte, G., Delgado-Fernández, Manuel, Aparicio, Virginia A., Carbonell-Baeza, Ana, Agil, A., Silva, D. R., Pérez-Ballesteros, C., Piqueras, M. J., Chillón, P., Tercedor, P., Martín-Lagos, J. A., Martín-Bautista, Elena, Pérez-Expósito, Manuel, Garófano, M., Aguilar, M. J., Fernández-Mayorga, A., Sánchez, P., Wärnberg, Julia, Puertollano, M. Ángeles, Gómez-Martínez, Sonia, Zapatera, Belén, Nova, Esther, Romeo, J., Díaz-Prieto, Ligia E., Pozo Rubio, Tamara, Morandé, G., Villaseñor, Ángel, Madruga, D., Muñoz, Rosario, Veiga, Óscar, Villagra, H. Ariel, Martínez-Gómez, David, Vaquero, M. Pilar, Pérez Granados, Ana M., Navas-Carretero, S., Moleres, A., Rendo-Urteaga, T., Marqués, M., Miranda, M. G., Martínez, J. Alfredo, Redondo, Carlos, García-Fuentes, Miguel, DeRufino, P., González-Lamuño, D., Amigo, T., Sanz, R., Romero, P., Rodríguez, Gerardo, Bueno, Gloria, Mesana Graffe, María Isabel, Vicente-Rodríguez, G., Fernández, J., Rey, P., Muro, C., Tomas, C., Calle, M. Elisa, Barrios, Laura, Instituto de Salud Carlos III, Ministerio de Sanidad, Consumo y Bienestar Social (España), Ministerio de Asuntos Exteriores y Cooperación (España), Diputación General de Aragón, European Commission, Miguel-Etayo, Pilar de, Moreno, Luis A., Santabárbara, Javier, Martín-Matillas, Miguel, Azcona, Cristina, Martí, Amelia, Campoy, Cristina, Marcos, Ascensión, Garagorri, Jesús M., López-Belmonte, G., Delgado-Fernández, Manuel, Aparicio, Virginia A., Carbonell-Baeza, Ana, Agil, A., Silva, D. R., Pérez-Ballesteros, C., Piqueras, M. J., Chillón, P., Tercedor, P., Martín-Lagos, J. A., Martín-Bautista, Elena, Pérez-Expósito, Manuel, Garófano, M., Aguilar, M. J., Fernández-Mayorga, A., Sánchez, P., Wärnberg, Julia, Puertollano, M. Ángeles, Gómez-Martínez, Sonia, Zapatera, Belén, Nova, Esther, Romeo, J., Díaz-Prieto, Ligia E., Pozo Rubio, Tamara, Morandé, G., Villaseñor, Ángel, Madruga, D., Muñoz, Rosario, Veiga, Óscar, Villagra, H. Ariel, Martínez-Gómez, David, Vaquero, M. Pilar, Pérez Granados, Ana M., Navas-Carretero, S., Moleres, A., Rendo-Urteaga, T., Marqués, M., Miranda, M. G., Martínez, J. Alfredo, Redondo, Carlos, García-Fuentes, Miguel, DeRufino, P., González-Lamuño, D., Amigo, T., Sanz, R., Romero, P., Rodríguez, Gerardo, Bueno, Gloria, Mesana Graffe, María Isabel, Vicente-Rodríguez, G., Fernández, J., Rey, P., Muro, C., Tomas, C., Calle, M. Elisa, and Barrios, Laura
- Abstract
[Background & aim]: A diet quality index (DQI) is a tool that provides an overall score of an individual's dietary intake when assessing compliance with food-based dietary guidelines. A number of DQIs have emerged, albeit their associations with health-related outcomes are debated. The aim of the present study was to assess whether adherence to dietary intervention, and the overall quality of the diet, can predict body composition changes., [Methods]: To this purpose, overweight/obese adolescents (n = 117, aged: 13–16 years; 51 males, 66 females) were recruited into a multi-component (diet, physical activity and psychological support) family-based group treatment programme. We measured the adolescents' compliance and body composition at baseline and after 2 months (intensive phase) and 13 months (extensive phase) of follow-up. Also, at baseline, after 6 months, and at the end of follow-up we calculated the DQI., [Results]: Global compliance with the dietary intervention was 37.4% during the intensive phase, and 14.3% during the extensive phase. Physical activity compliance was 94.1% at 2-months and 34.7% at 13months and psychological support compliance were growing over the intervention period (10.3% intensive phase and 45.3% during extensive phase). Adolescents complying with the meal frequency criteria at the end of the extensive phase had greater reductions in FMI z-scores than those did not complying (Cohen's d = 0.53). A statistically significant association was observed with the diet quality index. DQI-A variation explained 98.1% of BMI z-score changes and 95.1% of FMI changes., [Conclusions]: We conclude that assessment of changes in diet quality could be a useful tool in predicting body composition changes in obese adolescents involved in a diet and physical activity intervention programme backed-up by psychological and family support.
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- 2019
9. Pharmacodynamics of the Oral BACE Inhibitor JNJ-54861911 in Early Alzheimer's Disease
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Streffer, J., Börjesson-Hanson, Anne, Van Broek, B., Smekens, P., Timmers, M., Tesseur, I., Tatikola, Kanaka, Russo, A., Sinha, Vivek, Salvadore, G., Aguilar, M., Frank, A., Matias-Guiu, Jorge, Boada, Merce, Baquero, M., Tristmans, L., Van Nueten, L., Andreassen, N., Engelborghs, Sebastiaan, Clinical sciences, and Neurology
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Medicine(all) ,Alzheimer Disease - Published
- 2016
10. Effects of Pomace Olive Oil on Postprandial Lipid Metabolism in HIV Patients
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Perona, Javier S., Rivas-García, Francisco, Aguilar, M., Prada, José Luis, Arco, A. del, García, María, Ruiz-Gutiérrez, Valentina, Perona, Javier S., Rivas-García, Francisco, Aguilar, M., Prada, José Luis, Arco, A. del, García, María, and Ruiz-Gutiérrez, Valentina
- Abstract
Resúmen póster.
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- 2010
11. Luminescence of natural calcite (CaCO3)
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Blasse, G., Aguilar, M., Blasse, G., and Aguilar, M.
- Published
- 1984
12. Análisis del proceso de clasificación cerámico
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Tortajada, I., Peris-Fajarnés, G., Aguilar, M., and Latorre, P.
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Sorting Process ,Visual examination ,Color-differential thresholds ,Proceso de clasificación ,Inspección visual ,Umbral de discriminación de color ,Clay industries. Ceramics. Glass ,TP785-869 - Abstract
Nowadays the Spanish ceramic pavement and coating industry produces more than 600 MMm2 per year, each piece having to be inspected and classified in most of the companies. This implies that each model must usually be stored by sub-groups based on the tone and the caliber, which implies the necessity of a storage and distribution system taking into consideration these elements. The economic impact derived exactly from the need of a stock control, is increased because a control of the visual aspect (related to design and color) must be done. This sorting, can be automated, but this procedure seems not to have clearly been imposed in front of visual sorting processes made by professional sorting. The great complexity of the models, the difficulty in defining the classification criteria, and the lack of objective and repeated criteria for all the designs are issues that make difficult the automation of this crucial process of the production line. Exactly to study the chromatic control of floor tiles, it is necessary to make a throughly analysis of the ceramic sorting process. In this work the tone sorting is studied, emphasizing the most prominent technological and research characteristics in the last fifty years, as well as their prospect of future.Hoy en día la industria del pavimento y revestimiento cerámico español produce mas de 600 MMm2 al año, debiendo, cada pieza ser inspeccionada y clasificada en la mayoría de las empresas. Ello implica que normalmente cada modelo debe de ser almacenado por subgrupos en función del tono y del calibre, lo que supone la necesidad de un sistema de almacenamiento y distribución que tenga en consideración estos elementos. El impacto económico derivado precisamente de la necesidad de un control de stocks, se ve incrementado en lo que se refiere al control del aspecto visual (relacionado con el diseño y el color). Esta clasificación es susceptible de ser automatizada, pero este procedimiento parece no haberse impuesto claramente frente a procesos de clasificación visuales realizados por clasificadores profesionales. La gran complejidad de los modelos, la dificultad en la definición de los criterios de clasificación, y la falta de criterios objetivos y repetibles para todos los diseños son cuestiones que dificultan la automatización de este proceso crucial de la cadena de producción. Precisamente para estudiar el control cromático de las baldosas, es necesario hacer un análisis a fondo del proceso de clasificación cerámico. En este trabajo se estudia la clasificación tonal, resaltando las características tecnológicas y de investigación más reseñables en los últimos cincuenta años, así como sus perspectivas de futuro.
- Published
- 2006
13. Antioxidant and antimicrobial emulsions with amphiphilic olive extract, nanocellulose-stabilized thyme oil and common salts for active paper-based packaging.
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Aguado RJ, Saguer E, Tarrés Q, Fiol N, and Delgado-Aguilar M
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- Olea chemistry, Oils, Volatile chemistry, Oils, Volatile pharmacology, Paper, Anti-Infective Agents pharmacology, Anti-Infective Agents chemistry, Salts chemistry, Nanofibers chemistry, Antioxidants chemistry, Antioxidants pharmacology, Emulsions chemistry, Thymus Plant chemistry, Cellulose chemistry, Food Packaging methods, Plant Extracts chemistry, Plant Extracts pharmacology, Listeria monocytogenes drug effects
- Abstract
Anionic cellulose nanofibers (CNFs) were used to stabilize emulsions that combined water-soluble (and oil-soluble), strongly antioxidant extracts with a water-immiscible, notably antimicrobial essential oil. Specifically, the radical scavenging activity was primarily provided by aqueous extracts from olive fruit (Olea europaea L.), while the antimicrobial effects owed eminently to thyme oil (Thymus vulgaris L.). The resulting emulsions were highly viscous at low shear rate (4.4 Pa·s) and displayed yield stress. The addition of edible salts decreased the yield stress, the apparent viscosity and the droplet size, to the detriment of stability at ionic strengths above 50 mM. Once characterized, the antioxidant and antimicrobial emulsions were applied on packaging-grade paper. Coated paper sheets inhibited the growth of Listeria monocytogenes, a common foodborne pathogen, and acted as antioxidant emitters. In this sense, the release to food simulants A (ethanol 10 vol%), B (acetic acid 3 wt%), and C (ethanol 20 vol%) was assessed. A 24-hour exposure of 0.01 m
2 of coated paper to 0.1 L of these hydrophilic simulants achieved inhibition levels of the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) in the 15-29 % range. All considered, the bioactive properties of thyme essential oil towards lipophilic food products can be complemented with the antioxidant activity of aqueous olive extracts towards hydrophilic systems, resulting in a versatile combination for active food packaging., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)- Published
- 2024
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14. Sodium tungstate (NaW) decreases inflammation and renal fibrosis in diabetic nephropathy.
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Yáñez AJ, Jaramillo K, Silva P, Yáñez A M, Sandoval M, Carpio D, and Aguilar M
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- Animals, Rats, Male, Inflammation drug therapy, Kidney pathology, Kidney drug effects, Kidney metabolism, Streptozocin, Rats, Wistar, Signal Transduction drug effects, Diabetic Nephropathies drug therapy, Diabetic Nephropathies pathology, Diabetic Nephropathies metabolism, Fibrosis drug therapy, Diabetes Mellitus, Experimental drug therapy, Diabetes Mellitus, Experimental complications, Tungsten Compounds pharmacology, Tungsten Compounds therapeutic use
- Abstract
Background: Diabetic Nephropathy is one of the most severe complications of Diabetes Mellitus and the main cause of end-stage kidney disease worldwide. Despite the therapies available to control blood glucose and blood pressure, many patients continue to suffer from progressive kidney damage. Chronic hyperglycemia is the main driver of changes observed in diabetes; however, it was recently discovered that inflammation and oxidative stress contribute to the development and progression of kidney damage. Therefore, it is important to search for new pharmacological therapies that stop the progression of DN. Sodium tungstate (NaW) is an effective short and long-term antidiabetic agent in both type 1 and type 2 diabetes models., Methods: In this study, the effect of NaW on proinflammatory signalling pathways, proinflammatory proteins and fibrosis in the streptozotocin (STZ)-induced type 1 diabetic rat model was analysed using histological analysis, western blotting and immunohistochemistry., Results: NaW treatment in diabetic rats normalize parameters such as glycemia, glucosuria, albuminuria/creatinuria, glomerular damage, and tubulointerstitial damage. NaW decreased the proinflammatory signaling pathway NF-κB, inflammatory markers (ICAM-1, MCP-1 and OPN), profibrotic pathways (TGFβ1/Smad2/3), reduced epithelial-mesenchymal transition (α -SMA), and decreased renal fibrosis (type IV collagen)., Conclusion: NaW could be an effective drug therapy for treating human diabetic nephropathy., Competing Interests: Declaration of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.)
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- 2024
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15. My Big Fat Coronary Bypass Surgery: Sex, Obesity, and Postoperative Atrial Fibrillation.
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Aguilar M
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- Humans, Male, Female, Sex Factors, Coronary Artery Disease surgery, Risk Factors, Atrial Fibrillation etiology, Atrial Fibrillation surgery, Coronary Artery Bypass adverse effects, Coronary Artery Bypass methods, Obesity complications, Postoperative Complications etiology, Postoperative Complications epidemiology
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- 2024
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16. Haemaphysalis longicornis (Acari: Ixodidae) does not transmit Babesia bovis, a causative agent of cattle fever.
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Poh KC, Aguilar M, Capelli-Peixoto J, Davis SK, and Ueti MW
- Abstract
The Asian longhorned tick (Haemaphysalis longicornis) was first reported in the United States in 2017 and has since been detected in at least 17 states. This tick infests cattle and can produce large populations quickly due to its parthenogenetic nature, leading to significant livestock mortalities and economic losses. While H. longicornis has not been detected in Texas, species distribution models have identified southern Texas as a possible hospitable region for this tick. Southern Texas is currently home to the southern cattle tick (Rhipicephalus microplus), which can transmit the causative agent of cattle fever (Babesia bovis). With the potential for H. longicornis and B. bovis to overlap in southern Texas and their potential to negatively impact the national and global livestock industry, it is imperative to identify the role H. longicornis may play in the cattle fever disease system. A controlled acquisition and transmission experiment tested whether H. longicornis is a vector for B. bovis, with the R. microplus-B. bovis system used as a positive control. Transstadial (nymphs to adults) and transovarial (adults to larvae) transmission and subsequent transstadial maintenance (nymphs and adults) routes were tested in this study. Acquisition-fed, splenectomized animals were used to increase the probability of tick infection. Acquisition nymphs were macerated whole and acquisition adults were dissected to remove midguts and ovaries at five time points (4, 6, 8, 10, and 12 days post-repletion), with 40 ticks processed per time point and life stage. The greatest percentage of nymphs with detectable B. bovis DNA occurred six days post-repletion (20.0 %). For adults, the percentage of positive midguts and ovaries increased as days post-repletion progressed, with day 12 having the highest percentage of positive samples (67.5 % and 60.0 %, respectively). When egg batches were tested in triplicate, all H. longicornis egg batches were negative for B. bovis, while all R. microplus egg batches were positive for B. bovis. During the transmission phase, the subsequent life stages for transstadial (adults) and transovarial transmission/transstadial maintenance (larvae, nymphs, and adults) were fed on naïve, splenectomized calves. All life stages of H. longicornis ticks tested during transmission were negative for B. bovis. Furthermore, the transmission fed animals were also negative for B. bovis and did not show signs of bovine babesiosis during the 45-day post tick transmission period. Given the lack of successful transstadial or transovarial transmission, it is unlikely that H. longicornis is a vector for B. bovis., Competing Interests: Declaration of competing interest None., (Copyright © 2024. Published by Elsevier GmbH.)
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- 2024
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17. Pickering emulsions of thyme oil in water using oxidized cellulose nanofibers: Towards bio-based active packaging.
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Aguado RJ, Saguer E, Fiol N, Tarrés Q, and Delgado-Aguilar M
- Subjects
- Emulsions, Escherichia coli, Antioxidants pharmacology, Cellulose, Cellulose, Oxidized, Nanofibers, Oils, Volatile pharmacology, Anti-Infective Agents pharmacology, Plant Oils, Thymol, Thymus Plant
- Abstract
The antioxidant and antimicrobial properties of thyme essential oil (TEO) are useful for active food packaging, but its poor aqueous solubility restricts its applications. This work involves anionic cellulose nanofibers (CNFs) as the sole stabilizing agent for TEO-in-water emulsions, with oil concentrations ranging from 10 mL/L to 300 mL/L. A double mechanism was proposed: the adsorption of CNFs at oil/water interfaces restricted coalescence to a limited extent, while thickening (rheological stabilization) was required to avoid the buoyance of large droplets (>10 μm). Thickening effects comprised both higher viscosity (over 0.1 Pa·s at 10 s
-1 ) and yield stress (approximately 0.9 Pa). Dilute emulsions had good film-forming capabilities, whereas concentrated emulsions were suitable for paper coating. Regarding antimicrobial activity, CNF-stabilized TEO-in-water emulsions successfully inhibited the growth of both Gram-negative (E. coli, S. typhimurium) and Gram-positive bacteria (L. monocytogenes). As for the antioxidant properties, approximately 50 mg of paper or 3-5 mg of film per mL of food simulant D1 were required to attain 50 % inhibition in radical scavenging tests. Nonetheless, despite the stability and the active properties of these bio-based hydrocolloids, providing this antioxidant and antimicrobial activity was incompatible with maintaining the organoleptic properties of the foodstuff unaltered., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)- Published
- 2024
- Full Text
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18. Circularity of new composites from recycled high density polyethylene and leather waste for automotive bumpers. Testing performance and environmental impact.
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Kılıç E, Fullana-I-Palmer P, Fullana M, Delgado-Aguilar M, and Puig R
- Abstract
New composite materials (suitable for automotive bumpers), composed of recycled high-density polyethylene (rHDPE) and leather buffing dust waste (BF) ranging from 20 to 50 wt%, were produced and investigated for mechanical properties. Optimal mechanical performance was achieved with composites containing 30 % wt BF. The environmental performance of automotive bumper production from both virgin and recycled HDPE reinforced with 30 % wt BF (HDPE-BF, rHDPE-BF) composites was compared to that of conventional polypropylene (PP) by performing a cradle to gate life cycle assessment. A component-based approach, instead of a comprehensive LCA assessment for the entire car was adopted using various functional units (FU) such as mass (FU
1 ), volume (FU2 ), and volume of raw material fulfilling a specific impact strength requirement (FU3 ), thus enriching the paper with methodological discussions. The rHDPE-BF system provided better environmental performance compared to the virgin PP system, when considering both mass and volume-related functional units, mainly due to the avoidance of virgin polymer production. Even with the inclusion of the use phase in FU2 and a slightly higher density (+1.7 %) of composites than PP-based bumpers, the rHDPE system still provides better environmental performance (10 % less impact). The sensitivity analysis highlighted the significance of car type and final density of the bumper on the impact results. Finally, when using FU3 , due to its higher impact strength, HDPE-BF system is clearly the best environmental alternative (50 % less impact) followed by rHDPE-BF system. In all cases, rising the content of recycled materials in the bumpers increases its circularity. The paper illustrates the importance of selecting a suitable functional unit, based on a specific application (i.e., automotive bumpers), to evaluate the environmental impact of new composite materials in comparison to traditional options. Expanding the assessment to encompass multiple functions provides a more accurate portrayal of reality but also introduces greater result uncertainty., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)- Published
- 2024
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19. Complications of Right Heart Catheterization in Patients ≥70 Years of Age With Suspected Pulmonary Hypertension: Experience From a Tertiary Care Center.
- Author
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Cueto-Robledo G, González-Hermosillo LM, Porres-Aguilar M, Navarro-Vergara DI, Garcia-Cesar M, Torres-Rojas MB, Martinez-Carrillo AD, and Cajigas HR
- Subjects
- Humans, Aged, Aged, 80 and over, Pulmonary Artery, Retrospective Studies, Tertiary Care Centers, Vena Cava, Superior, Cardiac Catheterization adverse effects, Cardiac Catheterization methods, Hypertension, Pulmonary diagnosis, Hypertension, Pulmonary epidemiology, Hypertension, Pulmonary etiology
- Abstract
Right heart catheterization (RHC) represents the gold standard diagnostic approach for pulmonary hypertension (PH). Historically, the complication rates of RHC are known to be low. The study aimed to evaluate the indications for performing RHC and the occurrence of adverse events related to the procedure in patients > over 70 years of age in a Mexican Tertiary Care Center. We conducted a retrospective single-center registry from July 2017 to July 2022. A total of 517 patients with suspected PH underwent RHC. The cohort included patients <70 (n = 427) and ≥70 years of age (n = 90). Adverse events were classified as major (eg, death, pneumothorax, and carotid artery puncture) and minor (eg, atrial arrhythmia, superior vena cava dissection, incidental arterial puncture, and local hematoma). Appropriate hemodynamic parameters were recorded. No report of major adverse events in the entire cohort. In the <70 years age group, 9 minor events, and 3 minor events were in the ≥70-year-old patients (P < 0.0001). There was a significant difference in the measurement of mean pulmonary artery pressure (mPAP) between the <70 years old vs ≥70 years old (P < 0.001); there was a significant difference in right atrial pressures: 4.71 ± 3.14 mmHg in the <70-year-old vs 4.07 ± 1.94 mmHg for the ≥ 70-year-old group (P = 0.014). Our findings suggest that RHC can be safely performed in patients aged ≥70 years using different vascular access routes without significant major complications., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023. Published by Elsevier Inc.)
- Published
- 2024
- Full Text
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20. Clinical outcomes and mortality in patients with atrial fibrillation and recently diagnosed lung cancer in oncology outpatient settings.
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Piserra López-Fernández De Heredia A, Ruiz Ortiz M, Pérez Cabeza AI, Díaz Expósito A, Fernández Valenzuela MI, Carrillo Bailén M, Alarcón De La Lastra Cubiles I, Moreno Vega A, Zalabardo Aguilar M, Chaparro Muñoz M, García Manrique T, Torres Llergo J, Ortega Granados AL, Sánchez Fernández JJ, Calvete Cadenas J, and Mesa Rubio D
- Subjects
- Humans, Male, Female, Outpatients, Retrospective Studies, Hemorrhage chemically induced, Anticoagulants therapeutic use, Risk Factors, Risk Assessment, Atrial Fibrillation complications, Atrial Fibrillation diagnosis, Atrial Fibrillation epidemiology, Lung Neoplasms diagnosis, Lung Neoplasms epidemiology, Lung Neoplasms chemically induced, Stroke epidemiology
- Abstract
Introduction: Our aim was to investigate the prevalence of atrial fibrillation (AF) and recently diagnosed lung cancer in the outpatient oncology clinic and to describe the clinical profile, management and outcomes of this population., Methods: Among 6984 patients visited at the outpatient oncology clinics attending lung cancer patients in five university hospitals from 2017 to 2019, all consecutive subjects with recently diagnosed (<1 year) disease and AF were retrospectively selected and events in follow up were registered., Results: A total of 269 patients (3.9 % of all attended, 71 ± 8 years, 91 % male) were included. Charlson, CHA2DS2-VASc and HAS-BLED indexes were 6.7 ± 2.9, 2.9 ± 1.5 y 2.5 ± 1.2, respectively. Tumour stage was I, II, III and IV in 11 %, 11 %, 33 % and 45 % of them, respectively. Anticoagulants were prescribed to 226 patients (84 %): direct anticoagulants (n = 99;44 %), low molecular weight heparins (n = 69;30 %) and vitamin K antagonists (n = 58;26 %). After 46 months of maximum follow-up, 186 patients died (69 %). Cumulative incidences of events at 3 years were 3.3 ± 1.3 % for stroke/systemic embolism (n = 7); 8.9 ± 2.2 % for thrombotic events (n = 18); 9.9 ± 2.6 % for major bleeding (n = 16), and 15.9 ± 3,0 % for cardiovascular events (n = 33). In patients with early stages of cancer (I-II), 2-year mortality was significantly higher in those with cardiovascular events or major bleeding (85 % vs 25 %, p = 0.01)., Conclusion: Nearly 4 % or all outpatients in the oncology clinic attending lung cancer present recently diagnosed disease and AF. Major bleeding and cardiovascular event rates are high in this population, with an impact on mortality in early stages of cancer., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Inc. All rights reserved.)
- Published
- 2024
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21. Prevalence and Prognosis of Hypothyroidism in Patients With Chronic Thromboembolic Pulmonary Hypertension: An Updated Review With Description of Case Series.
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González-Hermosillo LM, Cueto-Robledo G, Navarro-Vergara DI, Roldan-Valadez E, Porres-Aguilar M, Garcia-Cesar M, Torres-Rojas MB, Hernández-Villa L, Tapia-Leon IA, and Mendoza-Pineda JC
- Subjects
- Adult, Humans, Retrospective Studies, Prevalence, Prognosis, Chronic Disease, Hypertension, Pulmonary diagnosis, Hypertension, Pulmonary epidemiology, Hypertension, Pulmonary etiology, Pulmonary Embolism complications, Pulmonary Embolism diagnosis, Pulmonary Embolism epidemiology
- Abstract
Hypothyroidism has been shown to have several effects on organs, including derangements in the coagulation system, impairing endothelial function, but data on the importance of hypothyroidism in the pathogenesis and development of chronic thromboembolic pulmonary hypertension (CTEPH) are limited. This report presents an updated review of the prevalence and prognosis of hypothyroidism in patients diagnosed with CTEPH, including a detailed retrospective description of the series. The descriptive case series included 34 adult patients diagnosed with CTEPH, of whom 11 patients were diagnosed with hypothyroidism. The prevalence of hypothyroidism in CTEPH was found to be 32.35%. All patients with hypothyroidism had NYHA functional Class II-III. Hemodynamic values obtained through right heart catheterization (RHC) showed that patients with hypothyroidism had significantly higher mean pulmonary arterial pressures (mPAP), with a mean of 56.91 mm Hg vs 43.93 mm Hg (p = 0.026), and the PVR in dynes/sec/cm5 was 932 vs 541 (p = 0.027). Significant differences in PVR were found in wood units (WU) 11.91 vs 7.11 (p = 0.042). The mean level of brain natriuretic peptide (BNP) between both groups was 797.3 pg/mL for patients with hypothyroidism vs 262.02 pg/mL in patients with euthyroidism (p = .032). Hypothyroidism may significantly affect patients' clinical and hemodynamic outcomes in patients with CTEPH. Hypothyroidism as a risk factor in the evaluation and treatment of these patients is vital to optimize outcomes in CTEPH; further research is warranted whether hypothyroidism therapies could alter such outcomes., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Nothing to declare by all the coauthors. Thanks., (Copyright © 2023. Published by Elsevier Inc.)
- Published
- 2024
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22. Enzymatic pretreatment for cellulose nanofiber production: Understanding morphological changes and predicting reducing sugar concentration.
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Mazega A, Signori-Iamin G, Aguado RJ, Tarrés Q, Ramos LP, and Delgado-Aguilar M
- Subjects
- Cellulose, Sugars, Carbohydrates, Suspensions, Nanofibers, Cellulase
- Abstract
Enzymatic pretreatment plays a crucial role in producing cellulose nanofibers (CNFs) before fibrillation. While previous studies have explored how treatment severity affects CNF characteristics, there remains a lack of suitable parameters to monitor real-time enzymatic processes and fully comprehend the link between enzymatic action, fibrillation, and CNF properties. This study focuses on evaluating the impact of enzyme charge (using a monocomponent endoglucanase) and treatment time on cellulose fiber morphology and reducing sugar generation. For the first time, a random forest (RF) model is developed to predict reducing sugar concentration based on easily measurable process conditions (e.g., stirrer power consumption) and fiber/suspension characteristics like fines content and apparent viscosity. Polarized light optical microscopy was found to be a suitable technique to evaluate the morphological changes that fibers experience during enzymatic pretreatment. The research also revealed that endoglucanases initially induce surface fibrillation, releasing fine fibers into the suspension, followed by fiber swelling and shortening. Furthermore, the effect of enzymatic pretreatment on resulting CNF characteristics was studied at two fibrillation intensities, indicating that a high enzyme charge and short treatment times (e.g., 90 min) are sufficient to produce CNFs with a nanofibrillation yield of 19-23 % and a cationic demand ranging from 220 to 275 μeq/g. This work introduces a well-modeled enzymatic pretreatment process, unlocking its potential and reducing uncertainties for future upscaling endeavors., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence this review., (Copyright © 2023 Elsevier B.V. All rights reserved.)
- Published
- 2023
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23. Should We Be Looking at the Forest or the Trees? Postoperative Atrial Fibrillation in Patients With Hypertrophic Cardiomyopathy.
- Author
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Aguilar M
- Published
- 2023
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24. Percutaneous helical plate fixation in humeral shaft fractures with proximal extension.
- Author
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Videla-Cés M, Comas-Aguilar M, Endemaño-Lucio A, Sánchez-Navés R, Romero-Pijoan E, and Videla S
- Subjects
- Male, Humans, Female, Aged, Aged, 80 and over, Retrospective Studies, Cohort Studies, Reproducibility of Results, Fracture Healing, Treatment Outcome, Humerus, Fracture Fixation, Internal methods, Bone Plates, Minimally Invasive Surgical Procedures methods, Humeral Fractures diagnostic imaging, Humeral Fractures surgery, Shoulder Fractures surgery
- Abstract
Background: Humeral shaft fractures with extension to the proximal third are increasingly frequent and technically more demanding. Surgical management of proximal metaphyseal junction humeral fractures is challenging. The aim of this study was to assess the safety, reproducibility, and possibility of early and completed rehabilitation in the percutaneous treatment with helical plates in humeral shaft fractures with proximal extension., Patients and Methods: This was a descriptive, retrospective, single-centre cohort study based on consecutive patients with proximal metaphyseal junction humeral fractures (MIPO-helical-plate-Broggi's cohort). Surgical technique (minimally invasive approach and osteosynthesis): percutaneous treatment with a twisted plate (helical plates)., Study Variables: i): Intraoperative and postoperative (up to 1 year after surgery) safety; ii) Reproducibility of the surgical technique [number (percentage) of patients with surgical technique success]. The surgical technique success was defined as the recovering without neurovascular, implant failures and infection issues after one year follow up; and iii) Early and completed (3 months) rehabilitation [number (percentage) of patients]. A descriptive analysis was performed., Results: Between April 2010 to January 2022, we received 443 humeral shaft fractures at our unit. Of these, 350 fractures were treated surgically. 157 (44.9%) were treated using the minimally invasive approach and osteosynthesis technique with extramedullary implants, of which 46 (46/157, 29.3%, 9 men and 37 women) were performed with almost orthogonally twisted Philos® helical plates. The median (range) age was 67 (51-94) years., Study Outcomes: i) Safety: None intraoperative events were gathered. No neurovascular, implant failure and infection issues were reported one year after surgery.; ii) Reproducibility of the surgical technique: only 1 failure (2%, 95%CI:0-11%), who was reoperated; and iii) Early and 3 month of rehabilitation was completed in 45 (98%, 95%CI:89-100%) patients. Forty-five (98%, 95%CI:89-100%) patients recovered their previous function the year after surgery., Conclusions: The treatment of humeral shaft fractures with proximal extension based on a minimally invasive approach and osteosynthesis: percutaneous treatment with a twisted plate (helical plates), as this is a submuscular and extraperiosteal technique, is a safe and reproducible technique, and promotes early rehabilitation. In our opinion, it is surgical technique whose main requirement is a good knowledge of topographic anatomy., Competing Interests: Declaration of Competing Interest All the authors declare they have no conflict of interest., (Copyright © 2023. Published by Elsevier Ltd.)
- Published
- 2023
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25. Triclabendazole resistance in Fasciola hepatica: First report in sheep from the Santa Cruz province, Argentinian Patagonia.
- Author
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Larroza M, Aguilar M, Soler P, Mora J, Roa M, Cabrera R, Martinez Stanziola JP, Ceballos L, and Alvarez LI
- Subjects
- Female, Sheep, Animals, Triclabendazole therapeutic use, Benzimidazoles pharmacology, Benzimidazoles therapeutic use, Drug Resistance, Albendazole pharmacology, Albendazole therapeutic use, Nitroxinil, Sheep, Domestic, Fasciola hepatica, Fascioliasis drug therapy, Fascioliasis veterinary, Sheep Diseases drug therapy
- Abstract
In the fall of 2022, decreased triclabendazole (TCBZ) efficacy against F. hepatica was suspected in a sheep farm located in the Santa Cruz province, Argentinian Patagonia. Since TCBZ-resistance in F. hepatica has never been reported in this province, this study aimed to confirm potential TCBZ-resistance in F. hepatica and to evaluate the efficacy of closantel (CLO) and nitroxinil (NTX), through faecal egg count reduction test (FECRT), and the efficacy of albendazole (ABZ) through the in vitro egg hatch test (EHT) in sheep. Sixty-eight (68) animals were selected from a herd of eighty (80) female Merino naturally infected with F. hepatica based on eggs per gram of F. hepatica (EPGFh) counts and assigned into four (4) groups (n = 17 per group): Group Control, animals did not receive anthelmintic treatment; Group TCBZ, animals were orally treated with TCBZ (12 mg/kg); Group CLO, animals were orally treated with CLO (10 mg/kg); and Group NTX, animals were subcutaneously treated with NTX (10 mg/kg). The fluke egg output was monitored on days 0 and 21 post-treatment. For the EHT, liver fluke eggs were isolated from faecal samples (approx. 50 g) collected from animals of the control group. TCBZ efficacy against liver fluke was 53.4%, confirming the presence of TCBZ-resistant isolates on the farm. CLO and NTX were highly effective (100%) for the treatment of F. hepatica on this farm. The EHT was carried out in two different laboratories, in which was observed an ABZ efficacy of 95.8 (Bariloche) and 96.5% (Tandil). These results indicate the ABZ susceptibility of this F. hepatica isolate and the inter-laboratory precision of the test., Competing Interests: Declaration of Competing Interest The authors declare that they have no competing interests., (Copyright © 2023 Elsevier B.V. All rights reserved.)
- Published
- 2023
- Full Text
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26. Sustainability of cellulose micro-/nanofibers: A comparative life cycle assessment of pathway technologies.
- Author
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Arfelis S, Aguado RJ, Civancik D, Fullana-I-Palmer P, Pèlach MÀ, Tarrés Q, and Delgado-Aguilar M
- Subjects
- Animals, Oxidation-Reduction, Technology, Cellulose, Nanofibers
- Abstract
Cellulose micro- and nanofibers (CNFs) are commonly regarded as "greener" than petro-based materials. The high energy input that their production still demands, along with the use of chemicals or heat in some pretreatments, asks for a critical view. This paper attempts a life cycle assessment of CNFs produced from bleached hardwood kraft pulp via three different pre-treatments before mechanical homogenization. First, a fully mechanical route, based on a Valley beating pre-treatment. Second, an enzymatic route, based on endoglucanases and requiring certain temperature (~50 °C). Third, a TEMPO-mediated oxidation route, considering not only the impact of the chemical treatment itself but also the production of TEMPO from ammonia and acetone. The main output of the study is that both, mechanical and TEMPO-mediated oxidation routes, present lower impacts than the enzymatic pre-treatment. Although the mechanical route presents slightly milder contributions to climate change, acidification, eutrophication, and other indicators, saying that TEMPO-mediated oxidation is environmentally unfeasible should be put under question. After all, and despite being disregarded in most assessment publications up to date, it is the only well-known way to selectively oxidize primary hydroxyl groups and thus producing kinds of CNFs that are unthinkable by other ways., Competing Interests: Declaration of competing interest The authors have no competing interests to declare that are relevant to the content of this article., (Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2023
- Full Text
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27. "Pulmonary embolism response teams: changing the paradigm in the care for acute pulmonary embolism": reply.
- Author
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Porres-Aguilar M, Rosovsky RP, Jiménez D, Mukherjee D, Rivera-Lebron BN, Kaatz S, Anaya-Ayala JE, and Jerjes-Sánchez C
- Subjects
- Humans, Acute Disease, Thrombolytic Therapy adverse effects, Pulmonary Embolism diagnosis, Pulmonary Embolism therapy
- Published
- 2023
- Full Text
- View/download PDF
28. Determination of global chemical patterns in exhaled breath for the discrimination of lung damage in postCOVID patients using olfactory technology.
- Author
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Zamora-Mendoza BN, Sandoval-Flores H, Rodríguez-Aguilar M, Jiménez-González C, Alcántara-Quintana LE, Berumen-Rodríguez AA, and Flores-Ramírez R
- Subjects
- Humans, Cross-Sectional Studies, Breath Tests methods, Lung chemistry, Sensitivity and Specificity, Exhalation, Electronic Nose, COVID-19 diagnosis, Volatile Organic Compounds analysis
- Abstract
The objective of this work was to evaluate the use of an electronic nose and chemometric analysis to discriminate global patterns of volatile organic compounds (VOCs) in breath of postCOVID syndrome patients with pulmonary sequelae. A cross-sectional study was performed in two groups, the group 1 were subjects recovered from COVID-19 without lung damage and the group 2 were subjects recovered from COVID-19 with impaired lung function. The VOCs analysis was executed using a Cyranose 320 electronic nose with 32 sensors, applying principal component analysis (PCA), Partial Least Square-Discriminant Analysis, random forest, canonical discriminant analysis (CAP) and the diagnostic power of the test was evaluated using the ROC (Receiver Operating Characteristic) curve. A total of 228 participants were obtained, for the postCOVID group there are 157 and 71 for the control group, the chemometric analysis results indicate in the PCA an 84% explanation of the variability between the groups, the PLS-DA indicates an observable separation between the groups and 10 sensors related to this separation, by random forest, a classification error was obtained for the control group of 0.090 and for the postCOVID group of 0.088 correct classification. The CAP model showed 83.8% of correct classification and the external validation of the model showed 80.1% of correct classification. Sensitivity and specificity reached 88.9% (73.9%-96.9%) and 96.9% (83.7%-99.9%) respectively. It is considered that this technology can be used to establish the starting point in the evaluation of lung damage in postCOVID patients with pulmonary sequelae., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier B.V. All rights reserved.)
- Published
- 2023
- Full Text
- View/download PDF
29. Ruminal tissue uptake of amino acids in Holstein cows when supply of nutrients within the rumen differs.
- Author
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Souza VC, Aguilar M, Storm AC, Larsen M, and Hanigan MD
- Subjects
- Female, Cattle, Animals, Rumen metabolism, Diet veterinary, Glucose metabolism, Nutrients, Milk metabolism, Fermentation, Amino Acids metabolism, Lactation physiology
- Abstract
Characterisation of amino acid (AA) use by the ruminal vein-drained viscera (RDV) has not been assessed in vivo in dairy cattle, and thus, the extent of ruminal AA use from arterial and postabsorptive blood supplies is unclear. Understanding the complete use of AA by the splanchnic bed may lead to alternative feeding programmes that maximise animal N efficiency. The objective of this work was to determine how different nutritional manipulations affect RDV net appearance and apparent affinity for arterial AA in lactating dairy cattle. Data from two arterio-venous (A-V) difference studies, that used a common set of multicatheterised lactating Holstein cows, assigned to different nutritional treatments, were used to assess ruminal metabolism. Study 1 consisted of three dietary treatments at calving [an alfalfa-glucogenic diet, a glucogenic diet (GLCG), or a ketogenic diet (KETO)] to investigate the effects of dietary nutrients and increasing intake postpartum on RDV metabolism of AA at -14, +4, +15, and +29 days relative to calving (DRTC). Study 2 consisted of two dietary levels of CP (17 or 13%) and three ruminal buffers (ammonia, butyrate, and control) to investigate the level of dietary CP and ruminal fermentation products on RDV metabolism of AA. Blood was collected at 9, 20, and 30 min after buffer administration. Regardless of dietary nutrients or fermentation products present in ruminal fluid, net RDV uptake was positive for most AA, excepting Asp, Cys, Glu, and Ser, which were consistently negative. The general positive net uptakes indicate that any AA potentially absorbed from the rumen were not adequate to meet apparent needs. Ruminal plasma flow and net RDV uptake of Trp, Ala, Gly, and Pro increased linearly with increased DRTC. Feeding KETO or GLCG diets increased ruminal plasma flow, and net RDV uptake of Thr and Gly. Feeding high CP diets increased ruminal uptake of Leu, Phe, and Val. The increased AA uptakes were partially driven by increased plasma flow, however, tissue affinity as reflected in clearance rates also increased or tended to for Met, Trp, Ala, Gly, Pro, and Tyr suggesting that changes in RDV uptake were regulated and not due solely to mass action. In conclusion, splanchnic tissue bed responses to dietary and washed rumen conditions were in part driven by changes in RDV nutrient demand and metabolic activity. The adaptive responses alter the fraction of absorbed AA utilised for non-productive purposes and thus the efficiency of conversion of those AA to product., (Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2023
- Full Text
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30. Prevalence of overweight and obesity in Aragón and variations according to health determinants.
- Author
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Lasarte-Velillas JJ, Lamiquiz-Moneo I, Lasarte-Sanz I, Sala-Fernández L, Marín-Andrés M, Rubio-Sánchez P, Moneo-Hernández MI, and Hernández-Aguilar MT
- Subjects
- Humans, Male, Child, Female, Prevalence, Body Weight, Body Mass Index, Weight Gain, Overweight epidemiology, Pediatric Obesity epidemiology
- Abstract
Introduction: Childhood obesity is a serious global health problem that is continuously increasing worldwide. Many studies suggest that socioeconomic factors are related to the development of obesity. The objective of our study was to analyse the prevalence of overweight and obesity in Aragón, calculated applying the World Health Organization (WHO) growth standards, and to study its association with socioeconomic factors., Material and Methods: We collected data for the entire paediatric population of Aragón aged 2-14 years. We classified each child as normal weight, overweight or obese based on the body mass index. We calculated prevalences by province and basic health care zone. To analyse differences in relation to social inequalities, we used the Aragón deprivation index as an indicator of socioeconomic status., Results: The final sample consisted of 161 335 children aged 2-14 years, 51% male and 49% female. The overall prevalence of excess weight was 31.1% (17.7% overweight and 13.3% obesity) and was significantly higher in boys. We found a high frequency of under-recording in health records (65%). There was a direct association between the deprivation index and the prevalence of obesity and overweight throughout Aragón, with a significant strong correlation in urban areas, where socioeconomic factors explained up to 66.4% of obesity and 48.9% of body weight excess., Conclusions: In Aragón, the prevalence of obesity and excess weight is high and associated with low family socioeconomic status., (Copyright © 2022 Asociación Española de Pediatría. Published by Elsevier España, S.L.U. All rights reserved.)
- Published
- 2023
- Full Text
- View/download PDF
31. Pulmonary embolism response teams: Changing the paradigm in the care for acute pulmonary embolism.
- Author
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Porres-Aguilar M, Rosovsky RP, Rivera-Lebron BN, Kaatz S, Mukherjee D, Anaya-Ayala JE, Jimenez D, and Jerjes-Sánchez C
- Subjects
- Humans, Hemorrhage, Acute Disease, Anticoagulants therapeutic use, Pulmonary Embolism diagnosis, Pulmonary Embolism drug therapy
- Abstract
Pulmonary embolism response teams (PERTs) have emerged as a multidisciplinary, multispecialty team of experts in the care of highly complex symptomatic acute pulmonary embolism (PE), with a centralized unique activation process, providing rapid multimodality assessment and risk stratification, formulating the best individualized diagnostic and therapeutic approach, streamlining the care in challenging clinical case scenarios (e.g., intermediate-high risk and high-risk PE), and facilitating the implementation of the recommended therapeutic strategies on time. PERTs are currently changing how complex acute PE cases are approached. The structure, organization, and function of a given PERT may vary from hospital to hospital, depending on local expertise, specific resources, and infrastructure for a given academic hospital center. Current emerging data demonstrate the value of PERTs in improving time to PE diagnosis; shorter time to initiation of anticoagulation reducing hospital length of stay; increasing use of advanced therapies without an increase in bleeding; and in some reports, decreasing mortality. Importantly, PERTs are positively impacting outcomes by changing the paradigm of care for acute PE through global adoption by the health-care community., (© 2022 International Society on Thrombosis and Haemostasis.)
- Published
- 2022
- Full Text
- View/download PDF
32. Morphology and permeability transitions in plant mitochondria: Different aspects of the same event?
- Author
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Ocampo-Hernández B, Gutiérrez Mireles ER, and Gutiérrez-Aguilar M
- Subjects
- Mitochondria, Mitochondrial Permeability Transition Pore, Permeability, Calcium, Mitochondrial Membrane Transport Proteins
- Abstract
Plant mitochondria are sensitive organelles affected by changing environmental stressors. Upon heat shock or the presence of reactive oxygen species, plant mitochondria undergo in vivo morphological derangements associated with the extensively characterized opening of the mitochondrial permeability transition pore. Nevertheless, the classic mitochondrial permeability transition is known to be triggered by calcium overload causing mitochondrial swelling and dysfunction. Here we review evidence concerning calcium handling, permeability transition and mitochondrial impairments in plants, supporting the notion that the mitochondrial morphology transition is an in vivo indicator of the permeability transition., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
- Full Text
- View/download PDF
33. Thromboprophylaxis Strategies for Hospitalized Patients With COVID-19.
- Author
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Porres-Aguilar M, Mukherjee D, and Lazo-Langner A
- Subjects
- Anticoagulants therapeutic use, Hospitalization, Humans, COVID-19, Pulmonary Embolism drug therapy, Venous Thromboembolism drug therapy, Venous Thromboembolism prevention & control
- Published
- 2022
- Full Text
- View/download PDF
34. Critical comparison of the properties of cellulose nanofibers produced from softwood and hardwood through enzymatic, chemical and mechanical processes.
- Author
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Sanchez-Salvador JL, Campano C, Balea A, Tarrés Q, Delgado-Aguilar M, Mutjé P, Blanco A, and Negro C
- Subjects
- Biomass, Cellulose chemistry, Mechanical Phenomena, Rheology, Nanofibers chemistry
- Abstract
Current knowledge on the properties of different types of cellulose nanofibers (CNFs) is fragmented. Properties variation is very extensive, depending on raw materials, effectiveness of the treatments to extract the cellulose fraction from the lignocellulosic biomass, pretreatments to facilitate cellulose fibrillation and final mechanical process to separate the microfibrils. Literature offers multiple parameters to characterize the CNFs prepared by different routes. However, there is a lack of an extensive guide to compare the CNFs. In this study, we perform a critical comparison of rheological, compositional, and morphological features of CNFs, produced from the most representative types of woody plants, hardwood and softwood, using different types and intensities of pretreatments, including enzymatic, chemical and mechanical ones, and varying the severity of mechanical treatment focusing on the relationship between macroscopic and microscopic parameters. This structured information will be exceedingly useful to select the most appropriate CNF for a certain application based on the most relevant parameters in each case., (Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2022
- Full Text
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35. Takayasu's Arteritis as a Rare Cause of Group 4 Pulmonary Hypertension.
- Author
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Torres-Rojas MB, Porres-Aguilar M, Mukherjee D, Cueto-Robledo G, Garcia-Treminio C, and Roldan-Valadez E
- Subjects
- Humans, Pulmonary Artery diagnostic imaging, Hypertension, Pulmonary diagnosis, Hypertension, Pulmonary etiology, Takayasu Arteritis complications, Takayasu Arteritis diagnosis
- Published
- 2022
- Full Text
- View/download PDF
36. Peripheral blood eosinophilia as a marker of acute cellular rejection in lung transplant recipients.
- Author
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Aguado Ibáñez S, Pérez Aguilar M, Royuela Vicente A, López García-Gallo C, Díaz Nuevo G, Salas Antón C, and Ussetti Gil MP
- Subjects
- Biomarkers, Graft Rejection diagnosis, Graft Rejection epidemiology, Graft Rejection pathology, Humans, Lung, Retrospective Studies, Transplant Recipients, Eosinophilia, Lung Transplantation
- Abstract
Previous studies in solid organ transplantation have shown a relationship between circulating eosinophil (EOS) counts and the presence of acute cellular rejection (ACR). However, the relationship between this potential biomarker and ACR in lung transplant (LTx) patients remains unclear., Objective: To assess the association between EOS and the presence of acute cellular rejection in lung transplant recipients., Materials and Methods: Retrospective study of 583 transbronchial biopsies (TBB) performed in 256 lung transplant patients between 2012 and 2018. We analyzed age, sex, underlying pathology, date of transplant, indications for TBB, presence and degree of ACR, and the simultaneous absolute and relative EOS., Results: ACR were observed in 170 of 583 TBB (29.2%). EOS in patients with ACR were higher than in patients without ACR (203.6 ± 248/mm
3 vs 103.1 ± 153/mm3 ; p < 0.001). High levels of both absolute and relative EOS were associated with the presence of ACR regardless of the underlying disease (odds ratio [OR] 1.003; 95% confidence interval [CI], 1.002-1.004; OR 1.226; 95% CI, 1.120-1.342) and time after transplant (OR 1.003; 95% CI, 1.002-1.004 and OR 1.239; 95% CI, 1.132-1.356). Moreover, both absolute and relative EOS were strongly associated with moderate and severe grades of ACR (OR 3.55; 95% CI, 3.00-4.10 and OR 3.56; 95% CI, 3.00-4.12)., Conclusions: EOS are elevated in ACR, especially in moderate or severe ACR. Increased vigilance for ACR is therefore advisable in lung transplant recipients with elevated EOS., Competing Interests: Disclosure statement The authors have no conflicts of interest to declare., (Copyright © 2021 International Society for Heart and Lung Transplantation. Published by Elsevier Inc. All rights reserved.)- Published
- 2022
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37. Assessing the exposure risk of large pelagic fish to oil spills scenarios in the deep waters of the Gulf of Mexico.
- Author
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Romo-Curiel AE, Ramírez-Mendoza Z, Fajardo-Yamamoto A, Ramírez-León MR, García-Aguilar MC, Herzka SZ, Pérez-Brunius P, Saldaña-Ruiz LE, Sheinbaum J, Kotzakoulakis K, Rodríguez-Outerelo J, Medrano F, and Sosa-Nishizaki O
- Subjects
- Animals, Ecosystem, Fishes, Gulf of Mexico, Probability, Petroleum Pollution
- Abstract
Exposure risk is assessed based on modeling suitable habitat of large pelagic fish and oil spill scenarios originating at three wells located in the western GM's deep waters. Since the fate of the oil depends on the oceanographic conditions present during the accident, as well as the magnitude and duration of the spill, which are not known a priori, the scenarios used are a statistical representation of the area in which oil spilled from the well could be found, given all possible outcomes. The ecological vulnerability assessment identified a subset of bony fish with low-medium vulnerability and elasmobranchs with medium-high vulnerability. The oiling probability and exposure risk of both bony fish and elasmobranchs hotspots vary by well analyzed. Thus, these results provide essential information for a risk management plan for the assessed species and others with economic or conservation importance distributed in the GM and worldwide., (Copyright © 2022 Elsevier Ltd. All rights reserved.)
- Published
- 2022
- Full Text
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38. Severe Pulmonary Hypertension: An Important Sequel After Severe Post-Acute COVID-19 Pneumonia.
- Author
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Cueto-Robledo G, Porres-Aguilar M, Puebla-Aldama D, Barragán-Martínez MDP, Jurado-Hernández MY, García-César M, Rojas MBT, García-Treminio C, and Roldan-Valadez E
- Subjects
- Humans, SARS-CoV-2, COVID-19, Hypertension, Pulmonary etiology, Pneumonia
- Published
- 2022
- Full Text
- View/download PDF
39. High Flow Nasal Cannula Oxygenation Successfully Used as Bridge Therapy for Systemic Thrombolysis in COVID-19 Associated Intermediate-high Risk Pulmonary Embolism.
- Author
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Aguilar-Piedras MF, Porres-Aguilar M, Mukherjee D, Cueto-Robledo G, Roldan-Valadez E, and Tapia-Vargas PA
- Subjects
- Cannula, Humans, SARS-CoV-2, Thrombolytic Therapy, COVID-19, Pulmonary Embolism drug therapy
- Abstract
The risk of venous thromboembolism (VTE) in COVID-19 patients is a growing problem. Thromboembolic complications are associated with the infection by SARSCoV-2, with an estimated incidence up to 25%-30% of VTE in patients with severe COVID-19 pneumonia. Here in, we present a case of a patient with severe pneumonia due to COVID-19 who is admitted with mild pneumothorax secondary to COVID-19 and high-intermediate-risk pulmonary embolism (PE), who underwent successfully a highflow nasal cannula (HFNC) oxygenation bridge with subsequent successful half-doses of systemic thrombolysis with intravenous alteplase. Prospective studies are warranted in this subset of patients with intermediate-high and high-risk PE, to further explore HFNC oxygenation with or without diverse reperfusion strategies, with the aim to identify the best individualized therapeutic approach in each patient with significant COVID-19 associated VTE and optimize outcomes., (Copyright © 2021 Elsevier Inc. All rights reserved.)
- Published
- 2022
- Full Text
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40. Chemometric analysis of the global pattern of volatile organic compounds in the exhaled breath of patients with COVID-19, post-COVID and healthy subjects. Proof of concept for post-COVID assessment.
- Author
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Zamora-Mendoza BN, Díaz de León-Martínez L, Rodríguez-Aguilar M, Mizaikoff B, and Flores-Ramírez R
- Subjects
- Cross-Sectional Studies, Healthy Volunteers, Humans, SARS-CoV-2, COVID-19, Volatile Organic Compounds
- Abstract
The objective of this research was to evaluate the application of an electronic nose and chemometric analysis to discriminate volatile organic compounds between patients with COVID-19, post-COVID syndrome and controls in exhaled breath samples. A cross-sectional study was performed on 102 exhaled breath samples, 42 with COVID-19, 30 with the post-COVID syndrome and 30 control subjects. Breath-print analysis was performed by the Cyranose 320 electronic nose with 32 sensors. Group data were evaluated by Principal Component Analysis (PCA), Canonical Discriminant Analysis (CDA), and Support Vector Machine (SVM), and the test's diagnostic power was evaluated through a Receiver Operaring Characteristic curve(ROC curve). The results of the chemometric analysis indicate in the PCA a 97.6% (PC
1 = 95.9%, PC2 = 1.0%, PC3 = 0.7%) of explanation of the variability between the groups by means of 3 PCs, the CDA presents a 100% of correct classification of the study groups, SVM a 99.4% of correct classification, finally the PLS-DA indicates an observable separation between the groups and the 12 sensors that were related. The sensitivity, specificity of post-COVID vs. controls value reached 97.6% (87.4%-99.9%) and 100% (88.4%-100%) respectively, according to the ROC curve. As a perspective, we consider that this technology, due to its simplicity, low cost and portability, can support strategies for the identification and follow-up of post-COVID patients. The proposed classification model provides the basis for evaluating post-COVID patients; therefore, further studies are required to enable the implementation of this technology to support clinical management and mitigation of effects., (Copyright © 2021 Elsevier B.V. All rights reserved.)- Published
- 2022
- Full Text
- View/download PDF
41. Identification of volatile organic compounds in the urine of patients with cervical cancer. Test concept for timely screening.
- Author
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Díaz de León-Martínez L, Flores-Ramírez R, López-Mendoza CM, Rodríguez-Aguilar M, Metha G, Zúñiga-Martínez L, Ornelas-Rebolledo O, and Alcántara-Quintana LE
- Subjects
- Cross-Sectional Studies, Early Detection of Cancer, Electronic Nose, Female, Humans, Uterine Cervical Neoplasms diagnosis, Volatile Organic Compounds
- Abstract
The objective of this research was to identify a global chemical pattern of volatile organic compounds (VOCs) in urine capable of discriminating between women with cervical cancer (CC) and control women using an electronic nose and to elucidate potential biomarkers by gas chromatography-mass spectrometry (GC-MS). A cross-sectional study was performed, with 12 control women, 5 women with CIN (Cervical Intraepithelial Neoplasia) and 12 women with CC. Global VOCs in urine were assessed using an electronic nose and specific by GC-MS. Multivariate analysis was performed: Principal Component Analysis (PCA), Canonical Principal Coordinate Analysis (CAP) and Partial Least Squares Discriminant Analysis (PLS-DA) and the test's diagnostic power was evaluated through ROC (Receiver Operating Characteristic) curves. Results from the PCA between the control group compared to the CC present variability of 98.4% (PC
1 = 93.9%, PC2 = 2.3% and PC3 = 2.1%). CAP model shows a separation between the overall VOCs profile of the control and CC group with a correct classification of 94.7%. PLS-DA indicated that 8 sensors have a higher contribution in the CC group. The sensitivity, specificity, value reached 91.6% (61.5%-99.7%) and 100% (73.5%-100%) respectively, according to the ROC curve. GC-MS analysis indicated that 33 compounds occur only in the CC group and some of them have been found in other types of cancer. In all, this study provides the basis for the development of an accessible, non-invasive, sensitive and specific screening platform for cervical cancer through the application of electronic nose and chemometric analysis., (Copyright © 2021 Elsevier B.V. All rights reserved.)- Published
- 2021
- Full Text
- View/download PDF
42. The Rapidly-Developing Area of Radiocardiology: Principles, Complications and Applications of Radiotherapy on the Heart.
- Author
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Aguilar M, Qian PC, Boeck M, Bredfeldt J, Seuntjens J, Hijal T, Bernier ML, and Zei P
- Subjects
- Death, Sudden, Cardiac etiology, Heart physiopathology, Humans, Radiotherapy, Adjuvant standards, Radiotherapy, Adjuvant trends, Treatment Outcome, Cardiology trends, Death, Sudden, Cardiac prevention & control, Heart radiation effects, Heart Conduction System radiation effects, Radiology trends, Tachycardia, Ventricular radiotherapy
- Abstract
Ventricular arrhythmias are the leading cause of sudden cardiac death. Current treatment strategies for ventricular tachycardia, including antiarrhythmic drugs and catheter ablation, have limited efficacy in patients with structural heart disease. Noninvasive ablation with the use of externally applied radiation (cardiac radioablation) has emerged as a promising and novel approach to treating recurrent ventricular tachycardias. However, the heart is generally an "organ at risk" for radiation treatments, such that very little is known on the effects of radiotherapy on cardiac ultrastructure and electrophysiologic properties. Furthermore, there has been limited interaction between the fields of cardiology and radiation oncology and physics. The advent of cardiac radioablation will undoubtedly increase interactions between cardiologists, cardiac electrophysiologists, radiation oncologists and physicists. There is an important knowledge gap separating these specialties, but scientific developments, technical optimisation, and improvements depend on intense multidisciplinary collaboration. This manuscript seeks to review the basic of radiation physics and biology for cardiovascular specialists in an effort to facilitate constructive scientific and clinical collaborations to improve patient outcomes., (Copyright © 2021 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
43. Optimizing Meropenem Therapy for Severe Nosocomial Infections in Neonates.
- Author
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Lima-Rogel V, Olguín-Mexquitic L, Kühn-Córdova I, Correa-López T, Romano-Aguilar M, Romero-Méndez MDC, Medellín-Garibay SE, and Romano-Moreno S
- Subjects
- Anti-Bacterial Agents therapeutic use, Humans, Infant, Newborn, Meropenem, Microbial Sensitivity Tests, Monte Carlo Method, Cross Infection drug therapy
- Abstract
Meropenem pharmacokinetics in neonates exhibits large interindividual variability due to developmental changes occurring during the first month of life. The objective was to characterize meropenem pharmacokinetics through a population approach to determine effective dosing recommendations in neonates with severe nosocomial infections. Three blood samples from forty neonates were obtained once steady-state blood levels were achieved and plasma concentrations were determined with a validated chromatographic method. Data were used to develop and validate the one-compartment with first-order elimination population pharmacokinetic model obtained by non-linear mixed effect modeling. The final model was Clearance (L/h) = 2.23 × Creatinine Clearance (L/h) and Volume of distribution(L) = 6.06 × Body Surface Area(m
2 ) × (1 + 0.60 if Fluticasone comedication). Doses should be adjusted based on said covariates to increase the likelihood of achieving therapeutic targets. This model explains 12.9% of the interindividual variability for meropenem clearance and 19.1% for volume of distribution. Stochastic simulations to establish initial dosing regimens to maximize the time above the MIC showed that the mean probabilities to achieve the PK/PD target (PTA) for microorganisms with a MIC of 2 and 8 µg/mL were 0.8 and 0.7 following i.v. bolus of 250 and 500 mg/m2 /dose q8h, respectively. Meropenem extended 4h infusion would improve PTA in neonates with augmented creatinine clearance., (Copyright © 2021 American Pharmacists Association. Published by Elsevier Inc. All rights reserved.)- Published
- 2021
- Full Text
- View/download PDF
44. Correlation between rheological measurements and morphological features of lignocellulosic micro/nanofibers from different softwood sources.
- Author
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Serra-Parareda F, Tarrés Q, Mutjé P, Balea A, Campano C, Sánchez-Salvador JL, Negro C, and Delgado-Aguilar M
- Subjects
- Cellulose isolation & purification, Lignans isolation & purification, Rheology, Species Specificity, Surface Properties, Viscosity, Water chemistry, Cellulose chemistry, Lignans chemistry, Nanofibers, Picea chemistry, Pinus chemistry
- Abstract
The transition of nanocellulose production from laboratory to industrial scale requires robust monitoring systems that keeps a quality control along the production chain. The present work aims at providing a deeper insight on the main factors affecting the rheological behavior of (ligno)cellulose micro/nanofibers (LCMNFs) and cellulose micro/nanofibers (CMNFs) and how they could correlate with their characteristics. To this end, 20 types of LCMNFs and CMNFs were produced combining mechanical refining and high-pressure homogenization from different raw materials. Aspect ratio and bending capacity of the fibrils played a key role on increasing the viscosity of the suspensions by instigating the formation of entangled structures. Surface charge, reflected by the cationic demand, played opposing effects on the viscosity by reducing the fibrils' contact due to repulsive forces. The suspensions also showed increasing shear-thinning behavior with fibrillation degree, which was attributed to increased surface charge and higher water retention capacity, enabling the fibrils to slide past each other more easily when subjected to flow conditions. The present work elucidates the existing relationships between LCMNF/CMNF properties and their rheological behavior, considering fibrillation intensity and the initial raw material characteristics, in view of the potential of rheological measurements as an industrial scalable characterization technology., (Copyright © 2021 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
45. Comparative analysis of chemical breath-prints through olfactory technology for the discrimination between SARS-CoV-2 infected patients and controls.
- Author
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Rodríguez-Aguilar M, Díaz de León-Martínez L, Zamora-Mendoza BN, Comas-García A, Guerra Palomares SE, García-Sepúlveda CA, Alcántara-Quintana LE, Díaz-Barriga F, and Flores-Ramírez R
- Subjects
- Humans, Mass Screening, Sensitivity and Specificity, Technology, COVID-19, SARS-CoV-2
- Abstract
Background: We identified a global chemical pattern of volatile organic compounds in exhaled breath capable of discriminating between COVID-19 patients and controls (without infection) using an electronic nose., Methods: The study focused on 42 SARS-CoV-2 RT-qPCR positive subjects as well as 42 negative subjects. Principal component analysis indicated a separation of the study groups and provides a cumulative percentage of explanation of the variation of 98.3%., Results: The canonical analysis of principal coordinates model shows a separation by the first canonical axis CAP1 (r
2 = 0.939 and 95.23% of correct classification rate), the cut-off point of 0.0089; 100% sensitivity (CI 95%:91.5-100%) and 97.6% specificity (CI 95%:87.4-99.9%). The predictive model usefulness was tested on 30 open population subjects without prior knowledge of SARS-CoV-2 RT-qPCR status. Of these 3 subjects exhibited COVID-19 suggestive breath profiles, all asymptomatic at the time, two of which were later shown to be SARS-CoV-2 RT-qPCR positive. An additional subject had a borderline breath profile and SARS-CoV-2 RT-qPCR positive. The remaining 27 subjects exhibited healthy breath profiles as well as SARS-CoV-2 RT-qPCR test results., Conclusions: In all, the use of olfactory technologies in communities with high transmission rates as well as in resource-limited settings where targeted sampling is not viable represents a practical COVID-19 screening approach capable of promptly identifying COVID-19 suspect patients and providing useful epidemiological information to guide community health strategies in the context of COVID-19., (Copyright © 2021 Elsevier B.V. All rights reserved.)- Published
- 2021
- Full Text
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46. Trends and gaps in climate change and health research in North America.
- Author
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Harper SL, Cunsolo A, Babujee A, Coggins S, De Jongh E, Rusnak T, Wright CJ, and Domínguez Aguilar M
- Subjects
- Canada, Humans, Mexico, North America, Climate Change, Mental Health
- Abstract
The Intergovernmental Panel on Climate Change (IPCC) 5th Assessment Report (2014) assessed the state of climate change and health knowledge, globally through the Human Health: Impacts, Adaptation, and Co-Benefits Chapter and regionally through chapters, such as the North America Chapter. With IPCC's 6th Assessment Report scheduled to be released in 2021-22, we asked: how has climate change and health research in North America advanced since the IPCC's 5th Assessment Report in 2014? Specifically, we systematically identified and examined trends in the extent, range, and nature of climate-health research conducted in North America. We used a scoping review methodology to systematically identify literature and map publication trends. A search string was used to search five academic databases. Two independent reviewers first screened titles and abstracts, and then the full texts of articles for relevance. Research articles and reviews using systematic methods published since 2013 were eligible for inclusion, and no language restrictions were applied. To be included, articles had to measure and link climatic variables or hazards to health outcomes in North America. Relevant articles were analysed using descriptive statistics to explore publication trends. The number of climate-health articles has significantly increased since the last IPCC Assessment Report. Published research about climate change impacts, heat-related mortality and morbidity, and respiratory illness taking place in urban centres and in the USA continue to dominate the North American climate-health literature, reflected by the high proportion of articles published. Important research gaps on previously neglected climate-sensitive health outcomes, however, are beginning to be filled, including climate change impacts on mental health, nutrition, and foodborne disease. We also observed progress in research that included future projections of climate-health risks; however, projection research is still relatively nascent and under-studied for many climate-sensitive health outcomes in North America, and would benefit from considering social and demographic variables in models. Important research disparities in geographical coverage were noted, including research gaps in Canada and Mexico, and in rural and remote regions. Overall, these publication trends suggest an improved understanding of exposure-response relationships and future projections of climate-health risks for many climate-sensitive health outcomes in North America, which is promising and provides an evidence-base to inform the IPCC 6th Assessment Report. Despite these advancements and considering the urgent policy and practice implications, more research is needed to deepen our understanding of climate-sensitive health outcomes, as well as examine new arising issues that have limited evidence-bases. In particular, transdisciplinary and cross-sector research, that includes the social sciences, examining current and future climate-health adaptation, mitigation, and the adaptation-mitigation nexus should become a top priority for research, given the urgent need for this evidence to inform climate change policies, actions, and interventions., (Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
47. Cellulose nanofibrils reinforced PBAT/TPS blends: Mechanical and rheological properties.
- Author
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Fourati Y, Tarrés Q, Delgado-Aguilar M, Mutjé P, and Boufi S
- Subjects
- Nanofibers chemistry, Rheology, Tensile Strength, Cellulose chemistry, Polymers chemistry
- Abstract
Poly(butylene adipate-Co-terephthalate)/thermoplasticized starch PBAT/TPS blends are among the most produced biodegradable plastic for wide application packaging, sharing more than 20% of the global production capacity of bioplastics. However, this class of material suffers from poor mechanical strength in comparison of neat PBAT, especially when the TPS content exceeds 30 wt%. Aiming at enhancing the mechanical performance of PBAT/TPS blends while maintaining relatively high TPS content, cellulose nanofibrils (CNFs) was incorporated into the TPS phase using twin screw extrusion. The effects of CNFs content on the microstructure, mechanical properties, melt-rheology and humidity absorption were investigated. An enhancement in the tensile strength and modulus was noted with the inclusion of CNFs, with optimal performance attained at 8 wt% of CNFs. A narrowing in the distribution of the TPS nodules within the PBAT matrix was also observed with the addition of CNFs, which is expected to be on the origin of the main evolution in the mechanical, rheological and humidity observed. Because of the availability of CNFs, biodegradability and facile processability, the ternary PBAT-TPS-CNFs blends might contribute to improve the performance of this class of biodegradable bioplastic., (Copyright © 2021 Elsevier B.V. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
48. Application of chemoresistive gas sensors and chemometric analysis to differentiate the fingerprints of global volatile organic compounds from diseases. Preliminary results of COPD, lung cancer and breast cancer.
- Author
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Rodríguez-Aguilar M, Díaz de León-Martínez L, Gorocica-Rosete P, Pérez-Padilla R, Domínguez-Reyes CA, Tenorio-Torres JA, Ornelas-Rebolledo O, Mehta G, Zamora-Mendoza BN, and Flores-Ramírez R
- Subjects
- Breath Tests, Cross-Sectional Studies, Female, Humans, Single-Blind Method, Breast Neoplasms diagnosis, Lung Neoplasms diagnosis, Pulmonary Disease, Chronic Obstructive diagnosis, Volatile Organic Compounds
- Abstract
Background: Analysis of volatile organic compounds (VOCs) in exhaled breath has been proposed as a screening method that discriminates between disease and healthy subjects, few studies evaluate whether these chemical fingerprints are specific when compared between diseases. We evaluated global VOCs and their discrimination capacity in chronic obstructive pulmonary disease (COPD), lung cancer, breast cancer and healthy subjects by chemoresistive sensors and chemometric analysis., Methods: A cross-sectional study was conducted with the participation of 30 patients with lung cancer, 50 with breast cancer, 50 with COPD and 50 control subjects. Each participant's exhaled breath was analyzed with the electronic nose. A multivariate analysis was carried: principal component analysis (PCA) and, canonical analysis of principal coordinates (CAP). Twenty single-blind samples from the 4 study groups were evaluated by CAP., Results: A separation between the groups of patients to the controls was achieved through PCA with explanations of >90% of the data and with a correct classification of 100%. In the CAP of the 4 study groups, discrimination between the diseases was obtained with 2 canonical axes with a correct general classification of 91.35%. This model was used for the prediction of the single-blind samples resulting in correct classification of 100%., Conclusions: The application of chemoresistive gas sensors and chemometric analysis can be used as a useful tool for a screening test for lung cancer, breast cancer and COPD since this equipment detects the set of VOCs present in the exhaled breath to generate a characteristic chemical fingerprint of each disease., (Copyright © 2021 Elsevier B.V. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
49. Contingent prenatal screening for frequent aneuploidies with cell-free fetal DNA analysis.
- Author
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Torres Aguilar MR, Carrasco Salas P, Santos Rosa C, Bueno Rodríguez G, Martínez-Bonet E, Carreto Alba P, León-Justel A, and Granell Escobar MR
- Subjects
- Adult, Congenital Abnormalities embryology, Cost-Benefit Analysis, Down Syndrome diagnosis, Down Syndrome embryology, Female, Genetic Testing economics, Humans, Predictive Value of Tests, Pregnancy, Prenatal Diagnosis economics, Prospective Studies, Trisomy 13 Syndrome diagnosis, Trisomy 13 Syndrome embryology, Trisomy 18 Syndrome diagnosis, Trisomy 18 Syndrome embryology, Young Adult, Aneuploidy, Cell-Free Nucleic Acids analysis, Congenital Abnormalities diagnosis, Genetic Testing methods, Prenatal Diagnosis methods
- Abstract
Objective: To analyze the results of contingent screening for common aneuploidies at our center from June 2017 to June 2019., Materials and Methods: Traditional screening tests were performed using a combination of biochemical markers and ultrasound measurements in the first and second trimesters to assess the risk of trisomies 21 (T21), 18 (T18) and 13 (T13). Cell-free DNA (cf-DNA) testing was offered (Harmony test) to pregnant women at high risk (>1/280 for T21 and > 1/150 for T13 and T18) and a normal early morphology scan. In positive cases, prenatal sampling was strongly recommended to confirm the results by gold standard methods (QF-PCR and karyotyping). Newborns' phenotypes were corroborated after birth in all cases., Results: In this prospective study, 8153 pregnant women were enrolled, resulting in 390 at high risk according to traditional screening tests. cfDNA testing was offered to 383 women. Traditional screening tests showed a false negative rate of 9.68% for T21. Traditional test sensitivity for T21 was 90.3%, for a false positive rate of 4.17% and a positive predictive value of 7.6%. The positive and negative predictive value for cfDNA testing was 100%. The approach used avoided invasive procedures in 91.3% of women at high risk. The prevalence of chromosomal abnormalities in the population analyzed was 1 in 164, and 1 in 210 for T21., Conclusions: Our results show that offering cf-DNA testing to women at high risk in traditional tests (including those with risks >1 in 50) significantly reduces false positives and, therefore, the number of invasive tests. Extending the use of cf-DNA testing to intermediate risk categories may be cost effective., Competing Interests: Declaration of competing interest None., (Copyright © 2021. Published by Elsevier B.V.)
- Published
- 2021
- Full Text
- View/download PDF
50. The actress was on the balcony, after all: Eye-tracking locality and PR-availability effects in Spanish.
- Author
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Aguilar M, Ferré P, Gavilán JM, Hinojosa JA, and Demestre J
- Subjects
- Humans, Language, Eye-Tracking Technology, Reading
- Abstract
The relationship between syntactic ambiguity and locality has been a reliable cornerstone in theories of language comprehension with one exception: non-local preferences in object-modifying relative clauses preceded by two potential hosts (DP1 of DP2 RC). We test the offline and online effects of the availability of an alternative structure, the pseudo-relative, on the parsing of relative clauses. It has been claimed that pseudo-relatives are preferred to relative clauses because of their simplicity at the structural, interpretive and pragmatic levels, and act as a confound in the attachment literature (Grillo, 2012; Grillo & Costa, 2014). Our results show that attachment preferences are modulated by the availability of pseudo-relatives in offline and online tests. However, when this factor is controlled, parsing of relative clauses in Spanish is initially ruled by principles of locality, which can eventually be overridden by other factors., (Copyright © 2021 Elsevier B.V. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
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