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3. The role of context in implementation research for non-communicable diseases: Answering the 'how-to' dilemma

Author

Daivadanam, M, Ingram, M, Annerstedt, KS, Parker, G, Bobrow, K, Dolovich, L, Gould, G, Riddell, M, Vedanthan, R, Webster, J, Absetz, P, Alvesson, HM, Androutsos, O, Chavannes, N, Cortez, B, Devarasetty, P, Fottrell, E, Gonzalez-Salazar, F, Goudge, J, Herasme, O, Jennings, H, Kapoor, D, Kamano, J, Kasteleyn, MJ, Kyriakos, C, Manios, Y, Mogulluru, K, Owolabi, M, Lazo-Porras, M, Silva, W, Thrift, A, Uvere, E, Webster, R, Van der Kleij, R, Van Olmen, J, Vardavas, C, Zhang, P, Almeda-Valdes, P, Britton, J, Cristobal, F, Delobelle, P, Gonzalez, C, Guwatudde, D, Gyamfi, J, Johnson, C, Kirkham, R, Lopez-Jaramillo, P, Lucero, VP, Mills, K, Oldenburg, B, Patel, A, Saulson, R, Silva, N, Trieu, K, GACD Concepts Contexts Working Grp, and Public Health Sciences

Subjects
Lung Diseases, Male, lung disease, Knowledge management, International Cooperation, Health Care Providers, Psychological intervention, Stakeholder engagement, Blood Pressure, 030204 cardiovascular system & hematology, Global Health, Vascular Medicine, medical research, interpersonal communication, 0302 clinical medicine, Endocrinology, Surveys and Questionnaires, Health care, Medicine and Health Sciences, Public and Occupational Health, 030212 general & internal medicine, health service, Qualitative Research, Aged, 80 and over, Multidisciplinary, quantitative analysis, Geography, Health services research, methodology, Public Health, Global Health, Social Medicine and Epidemiology, SCIENCE, Middle Aged, Research Assessment, health care planning, health survey, 3. Good health, Multidisciplinary Sciences, Treatment Outcome, Research Design, Hypertension, Medicine, Science & Technology - Other Topics, Female, Health Services Research, Engineering sciences. Technology, Research Article, Adult, Endocrine Disorders, General Science & Technology, Qualitative property, Context (language use), Health Promotion, Research and Analysis Methods, Community Based Intervention, Article, 03 medical and health sciences, purl.org/pe-repo/ocde/ford#3.03.02 [https], Stakeholder Participation, Diabetes Mellitus, cross-sectional study, qualitative analysis, Humans, GACD Concepts and Contexts working group, Noncommunicable Diseases, Poverty, Aged, Internet, Health Care Policy, Science & Technology, business.industry, questionnaire, stakeholder engagement, non communicable disease, MIXED METHODS, Health Care, Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi, Cross-Sectional Studies, Metabolic Disorders, Chronic Disease, Implementation research, business, Delivery of Health Care, Qualitative research
Abstract

IntroductionUnderstanding context and how this can be systematically assessed and incorporated is crucial to successful implementation. We describe how context has been assessed (including exploration or evaluation) in Global Alliance for Chronic Diseases (GACD) implementation research projects focused on improving health in people with or at risk of chronic disease and how contextual lessons were incorporated into the intervention or the implementation process.MethodsUsing a web-based semi-structured questionnaire, we conducted a cross-sectional survey to collect quantitative and qualitative data across GACD projects (n = 20) focusing on hypertension, diabetes and lung diseases. The use of context-specific data from project planning to evaluation was analyzed using mixed methods and a multi-layered context framework across five levels; 1) individual and family, 2) community, 3) healthcare setting, 4) local or district level, and 5) state or national level.ResultsProject teams used both qualitative and mixed methods to assess multiple levels of context (avg. = 4). Methodological approaches to assess context were identified as formal and informal assessments, engagement of stakeholders, use of locally adapted resources and materials, and use of diverse data sources. Contextual lessons were incorporated directly into the intervention by informing or adapting the intervention, improving intervention participation or improving communication with participants/stakeholders. Provision of services, equipment or information, continuous engagement with stakeholders, feedback for personnel to address gaps, and promoting institutionalization were themes identified to describe how contextual lessons are incorporated into the implementation process.ConclusionsContext is regarded as critical and influenced the design and implementation of the GACD funded chronic disease interventions. There are different approaches to assess and incorporate context as demonstrated by this study and further research is required to systematically evaluate contextual approaches in terms of how they contribute to effectiveness or implementation outcomes.

Published
2019

4. The role of context in implementation research for non-communicable diseases: Answering the 'how-to' dilemma

Author

Brolan, Claire, Daivadanam, M, Ingram, M, Annerstedt, KS, Parker, G, Bobrow, K, Dolovich, L, Gould, G, Riddell, M ; https://orcid.org/0000-0001-8852-0569, Vedanthan, R, Webster, J ; https://orcid.org/0000-0003-3513-3340, Absetz, P, Alvesson, HM, Androutsos, O, Chavannes, N, Cortez, B, Devarasetty, P, Fottrell, E, Gonzalez-Salazar, F, Goudge, J, Herasme, O, Jennings, H, Kapoor, D, Kamano, J, Kasteleyn, MJ, Kyriakos, C, Manios, Y, Mogulluru, K, Owolabi, M, Lazo-Porras, M, Silva, W, Thrift, A, Uvere, E, Webster, R ; https://orcid.org/0000-0002-5136-1098, Van Der Kleij, R, Van Olmen, J, Vardavas, C, Zhang, P ; https://orcid.org/0000-0003-4610-9848, Praveen, Praveen ; https://orcid.org/0000-0002-0973-943X, Brolan, Claire, Daivadanam, M, Ingram, M, Annerstedt, KS, Parker, G, Bobrow, K, Dolovich, L, Gould, G, Riddell, M ; https://orcid.org/0000-0001-8852-0569, Vedanthan, R, Webster, J ; https://orcid.org/0000-0003-3513-3340, Absetz, P, Alvesson, HM, Androutsos, O, Chavannes, N, Cortez, B, Devarasetty, P, Fottrell, E, Gonzalez-Salazar, F, Goudge, J, Herasme, O, Jennings, H, Kapoor, D, Kamano, J, Kasteleyn, MJ, Kyriakos, C, Manios, Y, Mogulluru, K, Owolabi, M, Lazo-Porras, M, Silva, W, Thrift, A, Uvere, E, Webster, R ; https://orcid.org/0000-0002-5136-1098, Van Der Kleij, R, Van Olmen, J, Vardavas, C, Zhang, P ; https://orcid.org/0000-0003-4610-9848, and Praveen, Praveen ; https://orcid.org/0000-0002-0973-943X

Abstract

Introduction Understanding context and how this can be systematically assessed and incorporated is crucial to successful implementation. We describe how context has been assessed (including exploration or evaluation) in Global Alliance for Chronic Diseases (GACD) implementation research projects focused on improving health in people with or at risk of chronic disease and how contextual lessons were incorporated into the intervention or the implementation process. Methods Using a web-based semi-structured questionnaire, we conducted a cross-sectional survey to collect quantitative and qualitative data across GACD projects (n = 20) focusing on hypertension, diabetes and lung diseases. The use of context-specific data from project planning to evaluation was analyzed using mixed methods and a multi-layered context framework across five levels; 1) individual and family, 2) community, 3) healthcare setting, 4) local or district level, and 5) state or national level. Results Project teams used both qualitative and mixed methods to assess multiple levels of context (avg. = 4). Methodological approaches to assess context were identified as formal and informal assessments, engagement of stakeholders, use of locally adapted resources and materials, and use of diverse data sources. Contextual lessons were incorporated directly into the intervention by informing or adapting the intervention, improving intervention participation or improving communication with participants/stakeholders. Provision of services, equipment or information, continuous engagement with stakeholders, feedback for personnel to address gaps, and promoting institutionalization were themes identified to describe how contextual lessons are incorporated into the implementation process. Conclusions Context is regarded as critical and influenced the design and implementation of the GACD funded chronic disease interventions. There are different approaches to assess and incorporate context as demonstrated by this s

Published
2019

5. The role of context in implementation research for non-communicable diseases: Answering the 'how-to' dilemma

Author

Brolan, C, Daivadanam, M, Ingram, M, Annerstedt, KS, Parker, G, Bobrow, K, Dolovich, L, Gould, G, Riddell, M, Vedanthan, R, Webster, J, Absetz, P, Alvesson, HM, Androutsos, O, Chavannes, N, Cortez, B, Devarasetty, P, Fottrell, E, Gonzalez-Salazar, F, Goudge, J, Herasme, O, Jennings, H, Kapoor, D, Kamano, J, Kasteleyn, MJ, Kyriakos, C, Manios, Y, Mogulluru, K, Owolabi, M, Lazo-Porras, M, Silva, W, Thrift, A, Uvere, E, Webster, R, van der Kleij, R, van Olmen, J, Vardavas, C, Zhang, P, Almeda-Valdes, P, Britton, J, Cristobal, F, Delobelle, P, Gonzalez, C, Guwatudde, D, Gyamfi, J, Johnson, C, Kirkham, R, Lopez-Jaramillo, P, Lucero, VP, Mills, K, Oldenburg, B, Patel, A, Saulson, R, Silva, N, Trieu, K, Brolan, C, Daivadanam, M, Ingram, M, Annerstedt, KS, Parker, G, Bobrow, K, Dolovich, L, Gould, G, Riddell, M, Vedanthan, R, Webster, J, Absetz, P, Alvesson, HM, Androutsos, O, Chavannes, N, Cortez, B, Devarasetty, P, Fottrell, E, Gonzalez-Salazar, F, Goudge, J, Herasme, O, Jennings, H, Kapoor, D, Kamano, J, Kasteleyn, MJ, Kyriakos, C, Manios, Y, Mogulluru, K, Owolabi, M, Lazo-Porras, M, Silva, W, Thrift, A, Uvere, E, Webster, R, van der Kleij, R, van Olmen, J, Vardavas, C, Zhang, P, Almeda-Valdes, P, Britton, J, Cristobal, F, Delobelle, P, Gonzalez, C, Guwatudde, D, Gyamfi, J, Johnson, C, Kirkham, R, Lopez-Jaramillo, P, Lucero, VP, Mills, K, Oldenburg, B, Patel, A, Saulson, R, Silva, N, and Trieu, K

Abstract

INTRODUCTION: Understanding context and how this can be systematically assessed and incorporated is crucial to successful implementation. We describe how context has been assessed (including exploration or evaluation) in Global Alliance for Chronic Diseases (GACD) implementation research projects focused on improving health in people with or at risk of chronic disease and how contextual lessons were incorporated into the intervention or the implementation process. METHODS: Using a web-based semi-structured questionnaire, we conducted a cross-sectional survey to collect quantitative and qualitative data across GACD projects (n = 20) focusing on hypertension, diabetes and lung diseases. The use of context-specific data from project planning to evaluation was analyzed using mixed methods and a multi-layered context framework across five levels; 1) individual and family, 2) community, 3) healthcare setting, 4) local or district level, and 5) state or national level. RESULTS: Project teams used both qualitative and mixed methods to assess multiple levels of context (avg. = 4). Methodological approaches to assess context were identified as formal and informal assessments, engagement of stakeholders, use of locally adapted resources and materials, and use of diverse data sources. Contextual lessons were incorporated directly into the intervention by informing or adapting the intervention, improving intervention participation or improving communication with participants/stakeholders. Provision of services, equipment or information, continuous engagement with stakeholders, feedback for personnel to address gaps, and promoting institutionalization were themes identified to describe how contextual lessons are incorporated into the implementation process. CONCLUSIONS: Context is regarded as critical and influenced the design and implementation of the GACD funded chronic disease interventions. There are different approaches to assess and incorporate context as demonstrated by th

Published
2019

6. The role of context in implementation research for non-communicable diseases: Answering the 'how-to' dilemma.

Author

Daivadanam M, Ingram M, Sidney Annerstedt K, Parker G, Bobrow K, Dolovich L, Gould G, Riddell M, Vedanthan R, Webster J, Absetz P, Mölsted Alvesson H, Androutsos O, Chavannes N, Cortez B, Devarasetty P, Fottrell E, Gonzalez-Salazar F, Goudge J, Herasme O, Jennings H, Kapoor D, Kamano J, Kasteleyn MJ, Kyriakos C, Manios Y, Mogulluru K, Owolabi M, Lazo-Porras M, Silva W, Thrift A, Uvere E, Webster R, van der Kleij R, van Olmen J, Vardavas C, Zhang P, GACD Concepts and Contexts working group, Daivadanam M, Ingram M, Sidney Annerstedt K, Parker G, Bobrow K, Dolovich L, Gould G, Riddell M, Vedanthan R, Webster J, Absetz P, Mölsted Alvesson H, Androutsos O, Chavannes N, Cortez B, Devarasetty P, Fottrell E, Gonzalez-Salazar F, Goudge J, Herasme O, Jennings H, Kapoor D, Kamano J, Kasteleyn MJ, Kyriakos C, Manios Y, Mogulluru K, Owolabi M, Lazo-Porras M, Silva W, Thrift A, Uvere E, Webster R, van der Kleij R, van Olmen J, Vardavas C, Zhang P, and GACD Concepts and Contexts working group

Abstract

INTRODUCTION:Understanding context and how this can be systematically assessed and incorporated is crucial to successful implementation. We describe how context has been assessed (including exploration or evaluation) in Global Alliance for Chronic Diseases (GACD) implementation research projects focused on improving health in people with or at risk of chronic disease and how contextual lessons were incorporated into the intervention or the implementation process. METHODS:Using a web-based semi-structured questionnaire, we conducted a cross-sectional survey to collect quantitative and qualitative data across GACD projects (n = 20) focusing on hypertension, diabetes and lung diseases. The use of context-specific data from project planning to evaluation was analyzed using mixed methods and a multi-layered context framework across five levels; 1) individual and family, 2) community, 3) healthcare setting, 4) local or district level, and 5) state or national level. RESULTS:Project teams used both qualitative and mixed methods to assess multiple levels of context (avg. = 4). Methodological approaches to assess context were identified as formal and informal assessments, engagement of stakeholders, use of locally adapted resources and materials, and use of diverse data sources. Contextual lessons were incorporated directly into the intervention by informing or adapting the intervention, improving intervention participation or improving communication with participants/stakeholders. Provision of services, equipment or information, continuous engagement with stakeholders, feedback for personnel to address gaps, and promoting institutionalization were themes identified to describe how contextual lessons are incorporated into the implementation process. CONCLUSIONS:Context is regarded as critical and influenced the design and implementation of the GACD funded chronic disease interventions. There are different approaches to assess and incorporate context as demonstrated by this s

Published
2019

10. “CLUPS”: A New Culture Medium for the Axenic Growth of Entamoeba histolytica.

Author

Gonzalez-Salazar, F., Meester, I., Guzmán De La Garza, F. J., De La Garza-Salinas, L. H., Sampayo-Reyes, A., Garza-Gonzalez, J. N., Monsivais-Diaz, O., Barba-Dávila, B. A., Hernández-García, M. E., and Vargas-Villarreal, J.

Subjects
*ENTAMOEBA histolytica, *CULTURE media (Biology), *BACTERIAL growth, *ABSCESSES, *PHOSPHOLIPASES
Abstract

Amebiasis remains a major health problem in Mexico. Therefore, the search for better culture media and low-cost diagnostic and therapeutic tools is fundamental. We present a new culture medium for Entamoeba histolytica which allows the microbe to preserve its virulence factors and ability to induce hepatic abscesses in animal models. The novel CLUPS medium is an improved version of the PEHPS medium, previously designed in our laboratory. The main difference is the substitution of raw beef liver in PEHPS by raw beef lung in the CLUPS medium. To compare the performance of three-culture media (traditional TYI-S-33, PEHPS, and CLUPS), E. histolytica trophozoites were cultured in quintuplicate, followed by the evaluation of phospholipase activity and the induction of liver abscesses in golden hamsters. E. histolytica trophozoites grew significantly better in CLUPS medium than in TYI-S-33. Likewise, CLUPS-cultured trophozoites produced significantly more phospholipases than TYI-S-33-cultured trophozoites. Finally, trophozoites grown in any of the three tested media had similar potential to induce liver abscesses. [ABSTRACT FROM AUTHOR]

Published
2018
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11. Candida bloodstream infections in intensive care units: analysis of the extended prevalence of infection in intensive care unit study

Author

Keth, Th, Azoulay, E, Echeverria, Pm, Vincent, Jl, Collaboratorsmargarit, A, Valentini, R, Alan Javier, Z, Bevilacqua, C, Curone, M, Rabuffetti, R, Comignani, P, Torres Boden, M, Chertcoff, F, Cardonatti, G, Adén, F, Marcos, L, Dónofrio, M, Fernández, R, Lamberghini, R, Balasini, S, Teves, J, Las Heras, M, Sinner, J, Ceraso, D, Curcio, D, Aguilar, L, Weller, C, Cardonnet, L, Santa Cruz, R, Manrique, E, Bernardez, D, Iolster, T, Chiappero, G, Ramos, P, Vergara, J, Moine, I, Ilutovich, S, Jannello, G, Waschbusch, M, Rios Picaza, G, Raimondi, A, Miriam, M, Lovesio, C, Caridi, M, Leong, T, Orford, N, Reece, G, Ernest, D, Hawker, F, Tan, J, Giannellis, C, Ihle, B, Bersten, A, Mcinnes, J, Tallott, M, Mcfadyen, B, Vibert, J, Parr, M, Tran, K, Sutton, J, Webb, S, Groves, N, Cole, L, Long, D, Bass, F, Erickson, S, Lipman, J, Delzoppo, C, Thomas, J, Dobb, G, Daley, M, Roberts, B, Santamaria, J, Young, J, Festa, M, Holland, R, Mullany, D, Williams, P, Corkeron, M, Gales, M, Banerjee, A, Yung, M, Mutz, N, Hiesmayr, M, Faybik, P, Fitzgerald, R, Firlinger, F, Zasmeta, G, Zink, M, Sieber, W, Hildegard, J, Bakondy, R, Schlieber, J, Filzwieser, G, Beer, R, Joannidis, M, Schuster, R, Scherzer, W, Smolle, K, Fitzal, S, Manzoor, R, Brunain, J, D'Hondt, A, Huylenbroeck, G, Van der Schueren, M, 't Kindt, H, Slock, E, Rijckaert, D, Raemaekers, J, Bourgeois, M, Van Cotthem, I, Nackaerts, G, Gusu, D, Gadisseux, P, Vancollie, O, Lignian, H, Michel, P, Fraipont, V, Vander Stappen, M, Forêt, F, De Bels, D, Devriendt, J, Massaut, J, Biston, P, Roman, A, Lambermont, B, De Meulder, A, Frederic, V, Sottiaux, T, Ruyffelaere, P, Collin, V, Anane, S, Kleiren, P, Simon, M, Machayekhi, S, Frans, E, Leroy, G, Berghmans, T, Joseph, R, Eerens, J, Laterre, P, Lagrou, B, Rutsaert, R, Pisarek, W, Dive, A, De Waele, J, Spapen, H, Damas, P, Malbrain, M, Hidalgo, J, Baptista, M, Salgado, D, Braga, M, Avila, C, Westphal, G, Caser, E, Alves, A, Friedman, G, Luz, M, Assuncao, M, Reis, H, Gomes, A, Silva, U, Nogueira Fh, W, El Dash, S, Valiatti, J, Barbosa, A, Coelho, C, Knibel, M, Minelli, C, Caovilla, J, Teixeira, G, Hovnanian, A, Rea Neto, A, Lobo, S, Lugarinho, M, Souza, P, Ferreira, D, Duarte, P, Oliveira, M, Marques, J, Machado, R, Rehder, P, Mataloun, S, Grilo, M, Quesado, P, Moock, M, Ferreira, F, Teles, J, Silva, E, Morais, A, Bruzzi de Carvalho, F, Wanderley, M, Velasco, M, Brandão da Silva, N, Feijó, J, Souza Dantas, V, Costa Filho, R, Japiassú, A, Villela, D, Santos, C, Passos, R, Alheira Rocha, R, Silva, R, Houly, J, Aldrighi, J, Hatum, R, Suparregui Dias, F, Ferreira, L, Ferro, L, Gomez, J, Fleury, R, David, C, Resener, T, Mendes, C, Germano, A, De Marco, F, Lage, S, Salluh, J, Torelly, A, Sad, R, Oliveira, G, Lima, R, Paranhos, J, Rocha, M, Bitencourt, W, Grion, C, Forte, D, Guimarães, H, Piras, C, Stephanova, L, Lyubenov, L, Tsarianski, G, Dimov, G, Green, R, Levasseur, J, Ward, R, Lesur, O, Poirier, G, Wax, R, Wood, G, Cook, D, Marshall, J, Herridge, M, Ferguson, N, Espinoza, M, Valdés jimenez, S, Bruhn, A, Micolich, J, Fricke, G, Galvez, S, Escamilla Leon, I, Zhan, Q, Xu, Y, Zhao, Y, Zhang, L, Qin, T, Du, B, Li, M, Wang, X, Jing, Y, Zhang, Z, Xianyao, W, Li, F, Congshan, Y, Rebolledo, C, Diaz, D, Murillo Arboleda, R, Arias Antun, A, Montenegro, G, Granados, M, Dueñas, C, Perez, N, Libreros Duque, G, Coral, M, Ortiz, G, Rodriguez, D, Barsic, B, Cubrilo Turek, M, Gornik, I, Grljusic, M, Caballero lopez, A, Iraola Ferrer, M, Pavlik, P, Manak, J, Radej, J, Belohlavek, J, Sevcik, P, Blahut, L, Tyl, D, Steinbach, J, Herold, I, Zykova, I, Prchal, D, Bartosik, T, Kolarova, M, Hájek, R, Kohoutová, J, Marek, O, Hon, P, Chytra, I, Betsch, H, Fogh, B, Espersen, K, Jacobsen, K, Berezowicz, P, Andrade, C, Guerrero, F, Salgado, E, Barahona, D, Del Pozo Sanchez, H, Jibaja, M, Alansary, A, Reintam, A, Starkopf, J, Harjola, V, Tual, L, Leone, M, Serge, M, Leroy, O, Mallet, L, Marc, B, Dormoy, D, Pascal, H, Tronchon, L, Garrigues, B, Santré, C, Dupont, H, Duranteau, J, Leon, A, Henry, L, Canevet, C, Dube, L, Julien, H, Nadia, A, Francois, B, Gérard, J, Freysz, M, Remy, G, Blanloeil, Y, Squara, P, Korach, Jm, Durand, M, Gabriel, C, Eric, P, Jacobs, F, Bronchard, R, Kipnis, E, Moussa, M, Launoy, A, Guérin, C, Vanhems, P, Wynckel, A, Clair, B, Fulgencio, J, Gottwalles, Y, Krummel, T, Lepape, A, Lesieur, O, Payen, D, Hérvé, O, Farkas, J, Cougot, P, Mallédant, Y, Joannes Boyau, O, Standl, T, Sierig, U, Geiseler, J, Hopf, H, Conrad Opel, E, Hermann, C, Ventzke, M, Henneberg, T, Esposito, F, Loeser, H, Spies, C, Zuckermann Becker, H, Voegeler, S, Scherer, R, Pauer, A, Kljucar, S, Delfs, K, Blank, E, Busch, J, Wendt, K, Lessmann, J, Bach, F, Sakr, Y, Berlet, T, Kernchen, A, Quintel, M, Holst, D, Kilger, E, Holubarsch, T, Raufhake, C, Stolt, C, Lubasch, A, Meier Hellmann, A, Woebker, G, Scharnofske, C, Breyer, M, Risch, T, Manhold, C, Goethe, Jw, Meininger, D, Greive, C, Rau, J, Seibel, A, Henn beilharz, A, Wolbert, R, Scherke, T, Martin, J, Rudolph, M, Gleissner, J, Wolf, M, Schleibach, F, Jaschinski, U, Lunkeit, A, Welte, M, Bingold, T, Kogelmann, K, Fischer, F, Fischer, B, Schmid, M, Klein, M, Bechtold, A, Bodmann, K, Klasen, J, Meyrl, H, Goetz, J, Geldner, G, Helmes, T, Jensen, N, Eickmeyer, H, Lengfelder, W, Langenstein, B, Bogdanski, R, Jelen Esselborn, S, Umgelter, A, Dörr, F, Lüttje, K, Heinemeyer, D, Uhl, M, Schirle, P, Benad, H, Glaser, M, Panzer, W, Huettemann, E, Stierwaldt, R, Schappacher, M, Müller, E, Stadlmeyer, W, Fantini, M, Dummer, B, Thörner, M, Jost, V, Loerbroks, T, Glück, T, Zimmermann, R, Clement, R, Hering, R, Klinger, T, Mehl, J, Polozek, H, Rothhammer, A, Seidler, R, Lorenz, P, Mueritz, W, Lutze, M, Euler, M, Heintz, M, Winkler, M, Angstwurm, M, Krohe, K, Treu, T, Steiner, T, Locher, S, Walz, A, Zahn, P, Brandt, W, Marks, M, Henning, F, Janssens, U, Luethgens, M, Theelen, W, Sydow, M, Weber, M, Meiser, A, Deutschmann, C, Buttner, C, Jokiel, M, Bozzetti, C, Jürgen, B, Fiedler, F, Wresch, K, Kremer, A, Bleier, H, Rueckert, M, Ditter, H, Peckelsen, C, Friederich, P, Weber, K, Krueger, W, Lowack, R, Michalsen, A, Ragaller, M, Groeschel, A, Friedrich, T, Hinz, M, Christel, A, Hartwig, T, Kaisers, U, Schmitt, D, Vögeler, S, Weiss, M, Reiter, K, Schwab, T, Trieschmann, U, Kindgen milles, D, Engel, J, Sedemund adib, B, Lauterbach, M, Max, M, Volkert, T, Waydhas, C, Hien, S, Briegel, J, Guralnik, V, Zoremba, N, Riessen, R, Müllges, W, Nierhaus, A, Strauss, R, Utzolino, S, Thul, J, Abel, P, Gründling, M, Kessler, W, Scheuren, K, Vagts, D, Rensing, H, Schoch, B, Kopp, K, Gerlach, H, Corea, M, Uhrig, A, Schroeder, S, Jordan, F, Huber, T, Bittinger, M, Sofianos, E, Armaganidis, A, Routsi, C, Bitzani, M, Chalkiadaki, A, Michalopoulos, A, Mouloudi, E, Ioannidou, E, Myrianthefs, P, Koulenti, D, Karampela, I, Kyriazopoulos, G, Mandragos, K, Clouva molyvdas, P, Moraiti, A, Pneumatikos, I, Filos, K, Zakynthinos, E, Kotanidou, A, Vakalos, A, Cheng, A, Buckley, T, Gomersall, C, Kiss, K, Tamási, P, Sarkany, A, Csomos, A, Zöllei, É, Todi, S, Udwadia, F, Shah, R, Amin, P, Samavedam, S, Mathai, A, Patil, M, Jog, S, Gurjar, M, Vats, M, Varma, A, Gopal, P, Kapadia, F, Chawla, R, Iyer, S, Sahu, S, Bakshi, C, Ambike, D, Govil, D, Karipparambath, V, Chacko, J, Sathe, P, Rungta, N, Jani, C, Bhome, A, Prayag, S, Ray, S, Rajagopalan, R, Divatia, J, Da costa, R, Shyam Sunder, T, Wibowo, P, Maskoen, T, Sugiman, T, Nowruzinia, S, Lotfi, A, Mahmoodpoor, A, Donnelly, M, Breen, D, Ng, S, Bates, J, Sprung, C, Lev, A, Kishinevsky, E, Cohen, J, Sofer, S, Vesconi, S, Greco, S, Borelli, M, Cecilia, P, Sapuppo, M, Lazzero, A, Mangani, V, Petrucci, N, Minerva, M, Rummo, G, De blasio, E, Marzorati, S, Rosi, R, Giarratano, A, Margarit, O, Guberti, A, Scolz, S, Stelian, E, Emmi, V, Caspani, M, Rosano, A, Abbruzzese, C, Colonna, S, Ceriani, R, De Blasi, R, Panella, L, Borrelli, F, Lorella, P, Ruatti, H, Munch, C, Sorbara, C, Fiore, G, Chieregato, A, Conti, V, Guadagnucci, A, Pizzamiglio, M, Locicero, Mt, Marri, I, Sicignano, A, Conte, V, Oggioni, R, De Gasperi, A, De negri, P, Santagostino, G, Roberto, F, Marino, G, Castiglione, G, Sforza, D, Camillo, S, Giuseppe, N, Bassetti, Matteo, Napoli, D, Ferraro, F, Clementi, S, Di Filippo, A, Cotogni, P, Ranieri, Mv, Antonelli, M, Martinelli, L, Gianesello, L, Gullo, A, Morelli, A, Biancofiore, G, DELLA ROCCA, Giorgio, Hashimoto, S, Onodera, M, Kobayashi, A, Shinozuka, T, Imanaka, H, Ikeda, T, Yaguchi, A, Misane, I, Piebalga, A, Moughaghab, A, Pilvinis, V, Vosylius, S, Balciunas, M, Kekstas, G, Margaret, H, Klop, M, Grozdanovski, K, Eftimova, B, Wafa, S, Lim, C, Mat nor, M, Tai, L, Syed Mohd Tahir, S, Idris, N, Tan, C, Borg, M, Manzo, E, Gutierrez Morales, H, Miguel, P, Villagomez, A, Bassols, A, Aguirre, G, Cerón, U, Lopez ramos, J, Monjardín, J, Bermudez Aceves, E, Gonzalez Salazar, F, Rodriguez Gonzalez, D, Poblano Morales, M, Ramirez, F, Cetina, M, Navarro, J, Villagomez Ortiz, A, Sanchez, V, Chavarria, U, Fernandez Ponce, O, Serna secundino, H, Leonardo, O, Diego Manuel, R, Mijangos, J, Vazquez de Anda, G, Martin, E, Gutierrez, P, López Islas, I, Soberanes, L, Pejakov, L, Sbihi, A, Ouahid, B, Naoufel, M, De Pont, A, Rosseel, P, Ten Cate, J, Van Berkel, G, Corsten, S, Bakker, J, Vogelaar, J, Blom, H, Kieft, H, Kuiper, M, Gille, A, Pickkers, P, Vet, J, Ammann, J, Den Boer, S, Wesselink, R, Speelberg, B, Pham, C, Rodgers, M, Bergmans, D, Groeneveld, J, Mcarthur, C, Parke, R, Mehrtens, J, Celi, L, Freebairn, R, Rankin, N, Heffernan, C, Mchugh, G, Beca, J, Van haren, F, Barry, B, Kalkoff, M, Loevstad, R, Klepstad, P, Erno, P, Junker, A, Naqvi, S, Javed, I, Sinclair, J, Rivera, R, Chavez, C, Donayre Taber, Z, Quispe Sierra, R, Muñoz, J, Galvez Ruiz, J, Fang Li, J, Candiotti Herrera, M, Arroyo, A, Becerra, R, Meza, J, Mayorga, M, Garba, P, Kot, J, Gaszynski, T, Piechota, M, Renata, S, Müller, P, Stepinska, J, Jacek, K, Cieniawa, T, Mikstacki, A, Tamowicz, B, Bartkowska Sniatkowska, A, Karpel, E, Kusza, K, Smuszkiewicz, P, Mikaszewska Sokolewicz, M, Goraj, R, Kubler, A, Bártolo, A, Castelo Branco Sousa, M, Esteves, F, Martins, A, João, Hs, Oliveira, T, Ponce, P, Mourão, L, Febra, C, Carmo, E, Lopes, V, Póvoa, P, Rezende, A, Costa, H, Moreira, P, Pádua, F, Leite, A, Almeida, E, Alves, M, Sousa, A, Telo, L, João, S, Dias, C, Paiva, J, Ribeiro, R, Amaro, P, Carneiro, A, Moreno, R, Matos, R, Afonso, S, Bouw, M, França, C, Ibrahim, A, Tabacaru, R, Ionita, V, Tulbure, D, Filipescu, D, Pascanu, S, Grigoras, I, Copotoiu, S, Popov, D, Lebedev, E, Olga, I, Yaroshetskiy, A, Lugovkina, T, Dmitry, B, Malinin, O, Lekmanov, A, Abulmagd, M, Arabi, Y, Alhashemi, J, Ali, A, Maghrabi, K, Debek, A, Malik, M, Jankovic, R, Palibrk, I, Maravic stojkovic, V, Malenkovic, V, Surbatovic, M, Bumbasirevic, V, Lim, N, Loh, T, Tan, H, Sekeresova, H, Koutun, J, Firment, J, Malik, P, Trenkler, S, Muzlovic, I, Kosec, L, Ozek, B, Kasnik, D, Tomic, V, Knafelj, R, Svigelj, V, Du Plessis, H, Raine, R, Bhagwanjee, S, Richards, G, Goosen, J, De Jager, J, Schleicher, G, Rubio, O, Mañez, R, Burgueño Campiñez, M, Alvarez, M, Jorda, R, Naveira Abeigón, E, Monedero, P, Alemparte Pardavila, E, Garcia del Valle, S, Perez Calvo, C, Palomar, M, Caballero Zirena, A, Arribas, M, Bustamante Munguira, E, Ruiz, J, Blanco Vicente, A, Zavala, E, Valencia, M, Blesa Malpica, A, Martinez Sagasti, F, Nieto, M, Aguilar, G, Martinon Torres, F, Lorente, C, Insausti, J, Vegas Pinto, R, Santos, I, Escriba, A, Olaechea, P, Muñoz, E, Antón Caraballo, E, Galdos Anuncibay, P, Lopez Camps, V, Esteban Reboll, F, Estella, A, Bocero, L, Ibañez, A, Yagüe, G, Pueyo, L, María Jesús, L, Iglesias Fraile, L, Silva, J, Garro, P, Palma, L, Ramos gómez, L, Rovira, A, Martin Delgado, M, Monton Dito, J, Garcia, F, Latour Perez, J, Albaya, A, Bustinza, A, Sole violán, J, Ugarte Peña, P, Yuste, I, De Rojas Román, J, Vallés, J, Esteban, E, Quintana Tort Martorell, E, Moreno, M, López Ciudad, V, Manzano Ramirez, A, Sánchez Olmedo, J, Borges, M, Amador Amerigo, J, Guerrero Gomez, F, Montejo González, J, Sirvent, J, Pujol, I, Mesalles Sanjuan, E, Barcenilla Gaite, F, Serrano, N, Cerdá, E, Lesmes Serrano, A, Garcia Fuentes, C, Macias Pingarrón, J, Espinosa, E, Sanchez Garcia, M, Felices, F, de la Torre Prados, M, Maria Jesus, H, Luis, V, Jara, R, Briones Lopez, M, Posada, P, Galvan, B, Mariscal, F, Rello, J, Gil, B, Sierra, R, Rico Feijoo, J, Izura, J, González, J, Soto Ibáñez, J, Agabani, H, Petersen, P, Johansson, L, Blomqvist, H, Peterzén, B, Wyon, N, Lindström, I, Paulsson, A, Agvald Ohman, C, Petersson, J, Friberg, H, Einar, V, Hammarskjöld, F, Schindele, M, Arvidsson, S, Sellgren, S, Hulting, J, Häggqvist, J, Rudenstam, J, Lind, D, Kokinsky, E, Owall, A, Jacobson, S, Stiernstrom, H, Nydahl, A, Eggimann, P, Stocker, R, Loderer, G, Loetscher, R, Heer, K, Zender, H, Cottini, S, Pagnamenta, A, Eich, G, Felleiter, P, Marco, M, Pugin, J, Shu Hui, W, Hsieh, K, Toomtong, P, Khwannimit, B, Kietdumrongwong, P, Khaldi, A, Messadi, A, Labbene, I, Frikha, N, Atalan, K, Ates, C, Kahveci, A, Ozgencil, E, Kizilkaya, M, Bosnak, M, Bodur, H, Akan, M, Guven, M, Turkoglu, M, Topeli, A, Togal, T, Uzel, N, Akinci, I, Cakar, N, Tugrul, S, Demirkiran, O, Adanir, T, Dogruer, K, Turkmen, A, Guven, H, Ulger, F, Kocak, S, Nalapko, Y, Rady, S, Alsabbah, A, Elahi, N, Al rahma, H, Rahman, M, Kashef, S, Cuthbertson, B, Gunning, K, Myint, Y, Bewley, J, Burnstein, R, Haji Michael, P, Wrathall, D, Folan, L, Nesbitt, I, Ratnaparkhi, A, Pambakian, S, Booth, M, Watters, M, Sherry, T, Buehner, U, Barrera Groba, C, Bothma, P, George, N, Frater, J, Hollos, L, Mclellan, S, Hunter, J, Garrioch, M, O'Keeffe, N, Divekar, N, Eggert, S, Smith, S, Vincent, A, Withington, P, Macmillan, C, Webster, R, Vuylsteke, A, Appadu, B, Barrera groba, C, Mcquillan, P, Blunt, M, Parekh, N, William, D, Jones, C, Krige, A, Schuster Bruce, M, Boyden, J, Boulanger, C, Swann, D, Walker, J, Wigmore, T, Law, R, Baldwin, F, Muench, C, Robinson, S, Crerar Gilbert, A, Rhodes, A, Mahambrey, T, Cameron, L, Thornton, J, Stotz, M, Russell, M, Longmate, A, Kitson, R, Browne, B, Thorniley, A, Gonzalez, I, Swart, M, Singer, M, Gautam, N, Prasad, V, Watson, D, Szakmany, T, Cardy, J, Binning, A, Loveland, R, Gannon, J, Martinelli, G, Nightingale, P, Howes, J, Steingrub, J, Ammons, L, Fisher, M, Gandhi, N, Martin, G, Deutschman, C, Dean, N, Michetti, C, Belzberg, H, Hutchinson, K, Van der kloot, T, Afessa, B, Kaufman, D, Iqbal, J, Ost, D, Afifi, S, West, M, Wunderink, R, Stein, S, Hagg, D, Jimenez, E, Blosser, S, Chhangani, S, Kleinpell, R, Reich, H, Fields, E, Willms, D, Castellanos Mateus, P, Melnik, L, Oud, L, Chi, E, Halfon, R, Badr, A, Restrepo, M, Pohlman, A, Branson, R, Simpson, S, Kett, D, Jacobs, T, Park, P, Wahl, W, Patricia, C, Hammersley, J, Papadimos, T, Sawyer, R, Freire, A, Rodriguez, W, Ryan, A, Margolis, B, Groth, M, Escanda, H, Baraibar, J, Paciel, D, Bagnulo, H, Hitta, F, Nadales, P, Albornoz, H, Salmen, Z, Pacheco, C, Bui, T, Potie, F, and Nguyen Huu, C.

Published
2011

13. Sharply higher rates of iron deficiency in obese Mexican women and children are predicted by obesity-related inflammation rather than by differences in dietary iron intake

Author

Cepeda-Lopez, A.C., Osendarp, S.J.M., Boonstra, A., Aeberli, I., Gonzalez-Salazar, F., Feskens, E.J.M., Villalpando, S., Zimmermann, M.B., Cepeda-Lopez, A.C., Osendarp, S.J.M., Boonstra, A., Aeberli, I., Gonzalez-Salazar, F., Feskens, E.J.M., Villalpando, S., and Zimmermann, M.B.

Abstract

Background: Obese individuals may be at increased risk of iron deficiency (ID), but it is unclear whether this is due to poor dietary iron intakes or to adiposity-related inflammation. Objective: The aim of this study was to examine the relations between body mass index (BMI), dietary iron, and dietary factors affecting iron bioavailability, iron status, and inflammation [C-reactive protein (CRP)] in a transition country where obesity and ID are common. Design: Data from the 1999 Mexican Nutrition Survey, which included 1174 children (aged 5–12 y) and 621 nonpregnant women (aged 18–50 y), were analyzed. Results: The prevalence of obesity was 25.3% in women and 3.5% in children. The prevalence of ID was significantly (P <0.05) higher in obese women and children compared with normal-weight subjects [odds ratios (95% CIs): 1.92 (1.23, 3.01) and 3.96 (1.34, 11.67) for women and children, respectively]. Despite similar dietary iron intakes in the 2 groups, serum iron concentrations were lower in obese women than in normal-weight women (62.6 ± 29.5 compared with 72.4 ± 34.6 µg/dL; P = 0.014), and total-iron-binding capacity was higher in obese children than in normal-weight children (399 ± 51 compared with 360 ± 48 µg/dL; P <0.001). CRP concentrations in obese women and children were 4 times those of their normal-weight counterparts (P <0.05). CRP but not iron intake was a strong negative predictor of iron status, independently of BMI (P <0.05). Conclusions: The risk of ID in obese Mexican women and children was 2–4 times that of normal-weight individuals at similar dietary iron intakes. This increased risk of ID may be due to the effects of obesity-related inflammation on dietary iron absorption. Thus, ID control efforts in Mexico may be hampered by increasing rates of adiposity in women and children

Published
2011

16. Development and evaluation of ciprofloxacin local controlled release materials based on molecularly imprinted polymers.

Author

Galván-Romero V, Gonzalez-Salazar F, Vargas-Berrones K, Alcantara-Quintana LE, Martinez-Gutierrez F, Zarazua-Guzman S, and Flores-Ramírez R

Subjects
Delayed-Action Preparations, Ciprofloxacin pharmacology, Polymers, Escherichia coli, Adsorption, Molecularly Imprinted Polymers, Molecular Imprinting methods, Methacrylates
Abstract

The aim of this study was the molecular imprinting polymers (MIPs) assessment as a controlled release system of ciprofloxacin. The MIPs synthesis was performed by three different methods: emulsion, bulk, and co-precipitation. Lactic acid (LA) and methacrylic acid (MA) were used as functional monomers and ethylene glycol dimethacrylate as crosslinker. Also, nonimprinted polymers (NIPs) were synthesized. MIPs and NIPs were characterized by scanning electron microscopy, Fourier Transform Infrared Reflection, specific surface area, pore size, and release kinetics. Their efficiency against Staphylococcus aureus and Escherichia coli, and their cytotoxicity in dermal fibroblast cells were proven. Results show that MIPs are mesoporous materials with a pore size between 10 and 20 nm. A higher adsorption with the co-precipitation MIP with MA as a monomer was found. The release kinetics proved that a non-Fickian process occurred and that the co-precipitation MIP with LA presented the highest release rate (90.51 mg/L) in 8 h. The minimum inhibitory concentration was found between 0.031 and 0.016 mg/L for Staphylococcus aureus and between 0.004 and 0.031 mg/L for the Escherichia coli. No cytotoxicity in cellular cultures was found; also, cellular growth was favored. This study demonstrated that MIPs present promising properties for drug administration and their application in clinical practice., 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 Elsevier B.V. All rights reserved.)

Published
2024
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17. The Global Alliance for Chronic Diseases researchers' statement on non-communicable disease research with Indigenous peoples.

Author

Meharg DP, Naanyu V, Rambaldini B, Clarke MJ, Lacey C, Jebasingh F, Lopez-Jaramillo P, Gould GS, Aceves B, Alison JA, Chaiton M, Chen J, Gonzalez-Salazar F, Goodyear-Smith F, Gwynne KG, Lee KS, MacKay D, Maple-Brown L, Mishara BL, Nigenda G, Ramani-Chander A, Sherwood SG, Thomas N, Thrift AG, and Anderson M

Subjects
Humans, Indigenous Peoples, Chronic Disease, Research Personnel, Noncommunicable Diseases prevention & control
Abstract

Competing Interests: DPM is supported as a fellow of the Wingara Mura Leadership Program, University of Sydney and received a grant from The University of Sydney, Charles Perkins Centre Aboriginal and Torres Strait Islander Wingara Mura Leadership Academy Early to Mid-Career Research Seeding Grant; associated manuscript processing charges will be costed to these funds. LM-B received a NHMRC Australia grant to their university for salary and research projects, including Global Alliance for Chronic Diseases (GACD), and was a board member for the Australian Diabetes Society 2014–2021. GSG received consulting fees from the Australian Department of Health and NSW Health for their role on a national advisory panel review about medications for smoking cessation and clinical work in refugee health; had unpaid leadership roles for the Global Alliance for Chronic Disease and Global Implementation Society; and received grants to their institution for research into Indigenous smoking cessation from the Australian Department of Health, NHMRC, GACD and Cancer Australia and Cure Cancer Australia. AGT received grants from NHMRC Australia (grant numbers 1143155, 1171966, and 1182071) and a Medical Research Future Fund (Australian Government; grant number 2015976) while writing the grant; funds were made to their institution. JAA received a NHMRC Australia, GACD grant for the Breathe Easy, Walk Easy, Lungs for Life (BE WELL) project and grant funds used to attend annual GACD scientific meetings. KSL received NHMRC Centre of Research Excellence (application number 1117198) and Ideas grant (application number 1183744). MC received a GACD/Canadian Institute of Health Research (CIHR) grant to their institution. MA received a CIHR grant for a research programme with Indigenous communities (commercial tobacco harm reduction) and is a Pallium Canada board member. FGo-Sm received Global Alliance for Chronic Diseases-Health Research Council funding to their institution in 2017 (reference: 17/705). DM received a postgraduate scholarship from the National Health and Medical Research Council (NHMRC), Australia while preparing this manuscript; was an unpaid member of Australian Diabetes Association's Clinical Advisory Sub-Committee and the Northern Territory Maternal and Neonatal Network. These institutions had no role or influence on the content of the manuscript. All other authors declare no competing interests. We acknowledge all members of the GACD Indigenous Population Working Group for their advice, guidance and support preparing this statement. This statement reflects the perspectives of the contributing authors of the GACD Indigenous Populations Working Group, but it does not necessarily reflect the perspective of GACD and the funding agencies.

Published
2023
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18. Editorial: Human rights and inequity in health access of Central American Migrants.

Author

Díaz HL, Ramos-Tovar ME, Gonzalez-Salazar F, and Torres-Hostos LR

Subjects
Humans, Socioeconomic Factors, Health Services Accessibility, Human Rights, Central America, Transients and Migrants
Abstract

Competing Interests: 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.

Published
2023
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19. Epidemiologic Impacts in Acute Infectious Disease Associated with Catastrophic Climate Events Related to Global Warming in the Northeast of Mexico.

Author

Santos-Guzman J, Gonzalez-Salazar F, Martínez-Ozuna G, Jimenez V, Luviano A, Palazuelos D, Fernandez-Flores RI, Manzano-Camarillo M, Picazzo-Palencia E, Gasca-Sanchez F, and Mejia-Velazquez GM

Subjects
Climate Change, Floods, Humans, Mexico epidemiology, Water Supply, Communicable Diseases epidemiology, Communicable Diseases etiology, Global Warming
Abstract

Rising global temperatures and seawater temperatures have led to an increase in extreme weather patterns leading to droughts and floods. These natural phenomena, in turn, affect the supply of drinking water in some communities, which causes an increase in the prevalence of diseases related to the supply of drinking water. The objective of this work is to demonstrate the effects of global warming on human health in the population of Monterrey, Mexico after Hurricane Alex. We interpolated data using statistical downscaling of climate projection data for 2050 and 2080 and correlated it with disease occurrence. We found a remarkable rise in the incidence of transmissible infectious disease symptoms. Gastrointestinal symptoms predominated and were associated with drinking of contaminated water like tap water or water from communal mobile water tanks, probably because of the contamination of clean water, the disruption of water sanitation, and the inability to maintain home hygiene practices.

Published
2021
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20. Outpatient antibiotic prescribing patterns in pediatric academic and community practices.

Author

Abuali M, Zivot A, Guerguis S, Valladares E, Aleem S, Gonzalez-Salazar F, Rouchou B, Mottola N, Braitman L, and Paoletti A

Subjects
Academic Medical Centers, Adolescent, Ambulatory Care Facilities, Child, Child, Preschool, Community Health Centers, Cross-Sectional Studies, Female, Humans, Infant, Infant, Newborn, Male, Otitis Media drug therapy, Pharyngitis drug therapy, Retrospective Studies, Sinusitis drug therapy, United States, Young Adult, Ambulatory Care methods, Anti-Bacterial Agents therapeutic use, Drug Prescriptions statistics & numerical data, Practice Patterns, Physicians' statistics & numerical data
Abstract

Little is known about antibiotic prescribing differences between academic and community outpatient settings. This retrospective, cross-sectional chart review compares compliance with Infectious Diseases Society of America and American Academy of Pediatrics prescribing guidelines for otitis media, sinusitis, and pharyngitis in academic and affiliated community practices. The study results for correct antibiotic prescribing rate in the academic setting (67%) compared with the community setting (21%) demonstrate the urgent need for stewardship in community outpatient clinics., (Copyright © 2019 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved.)

Published
2019
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21. The effects of fat loss after bariatric surgery on inflammation, serum hepcidin, and iron absorption: a prospective 6-mo iron stable isotope study.

Author

Cepeda-Lopez AC, Allende-Labastida J, Melse-Boonstra A, Osendarp SJ, Herter-Aeberli I, Moretti D, Rodriguez-Lastra R, Gonzalez-Salazar F, Villalpando S, and Zimmermann MB

Subjects
Adiposity, Adult, Anemia, Iron-Deficiency blood, Anemia, Iron-Deficiency etiology, Anemia, Iron-Deficiency prevention & control, Body Composition, Body Mass Index, Erythrocytes metabolism, Female, Ferrous Compounds metabolism, Humans, Inflammation blood, Inflammation etiology, Interleukin-6 blood, Intestinal Absorption, Iron blood, Iron Isotopes blood, Male, Nutritional Status, Obesity blood, Obesity complications, Obesity pathology, Prospective Studies, Reference Values, Adipose Tissue metabolism, Bariatric Surgery, Hepcidins blood, Inflammation prevention & control, Iron Deficiencies, Obesity surgery, Weight Loss physiology
Abstract

Background: Iron deficiency is common in obese subjects. This may be due to an increase in serum hepcidin and a decrease in iron absorption from adiposity-related inflammation., Objective: We evaluated whether weight and fat loss in obese subjects would decrease inflammation and serum hepcidin and thereby improve iron absorption., Design: We performed a 6-mo prospective study in obese [body mass index (in kg/m 2 ) ≥35 and <45] adults who had recently undergone laparoscopic sleeve gastrectomy. At 2 and 8 mo postsurgery, subjects consumed a test drink with 6 mg 57 Fe as ferrous sulfate and were intravenously infused with 100 μg 58 Fe as iron citrate. We then compared erythrocyte incorporation of iron isotopic labels, changes in body composition, iron status, hepcidin, and inflammation at each time point., Results: Forty-three subjects were studied at baseline, and 38 completed the protocol (32 women and 6 men). After 6 mo, total body fat, interleukin IL-6, and hepcidin were significantly lower (all P < 0.005). In iron-deficient subjects (n = 17), geometric mean (95% CI) iron absorption increased by 28% [from 9.7% (6.5%, 14.6%) to 12.4% (7.7%, 20.1%); P = 0.03], whereas in iron-sufficient subjects (n = 21), absorption did not change [5.9% (4.0%, 8.6%) and 5.6% (3.9%, 8.2%); P = 0.81]., Conclusion: Adiposity-related inflammation is associated with a reduction in the normal upregulation of iron absorption in iron-deficient obese subjects, and this adverse effect may be ameliorated by fat loss. This protocol was approved by the ethics committees of Wageningen University, ETH Zurich, the University of Monterrey, and the Federal Commission for the Protection against Sanitary Risks, and registered at clinicaltrials.gov as NCT01347905., (© 2016 American Society for Nutrition.)

Published
2016
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22. Interferon Gamma-Based Detection of Latent Tuberculosis Infection in the Border States of Nuevo Leon and Tamaulipas, Mexico.

Author

Oren E, Alatorre-Izaguirre G, Vargas-Villarreal J, Moreno-Treviño MG, Garcialuna-Martinez J, and Gonzalez-Salazar F

Abstract

Nearly one-third of the world's population is infected with latent tuberculosis (LTBI). Tuberculosis (TB) rates in the border states are higher than national rates in both the US and Mexico, with the border accounting for 30% of total registered TB cases in both countries. However, LTBI rates in the general population in Mexican border states are unknown. In this region, LTBI is diagnosed using the tuberculin skin test (TST). New methods of detection more specific than TST have been developed, although there is currently no gold standard for LTBI detection. Our objective is to demonstrate utility of the Quantiferon TB gold In-Tube (QFT-GIT) test compared with the TST to detect LTBI among border populations. This is an observational, cross-sectional study carried out in border areas of the states of Nuevo Leon and Tamaulipas, Mexico. Participants (n = 210) provided a TST and blood sample for the QFT-GIT. Kappa coefficients assessed the agreement between TST and QFT-GIT. Participant characteristics were compared using Fisher exact tests. Thirty-eight percent of participants were diagnosed with LTBI by QFT-GIT. The proportion of LTBI detected using QFT-GIT was almost double [38% (79/210)] that found by TST [19% (39/210)] (P < 0.001). Concordance between TST and QFT-GIT was low (kappa = 0.37). We recommend further studies utilizing the QFT-GIT test to detect LTBI among border populations.

Published
2015
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23. Sharply higher rates of iron deficiency in obese Mexican women and children are predicted by obesity-related inflammation rather than by differences in dietary iron intake.

Author

Cepeda-Lopez AC, Osendarp SJ, Melse-Boonstra A, Aeberli I, Gonzalez-Salazar F, Feskens E, Villalpando S, and Zimmermann MB

Subjects
Adolescent, Adult, Anemia, Iron-Deficiency complications, Body Mass Index, C-Reactive Protein analysis, Child, Child, Preschool, Cross-Sectional Studies, Developing Countries, Diet adverse effects, Female, Humans, Inflammation complications, Iron blood, Iron, Dietary metabolism, Male, Mexico epidemiology, Middle Aged, Nutrition Surveys, Nutritional Status, Obesity blood, Obesity epidemiology, Prevalence, Young Adult, Anemia, Iron-Deficiency epidemiology, Health Transition, Iron, Dietary administration & dosage, Obesity complications, Obesity immunology
Abstract

Background: Obese individuals may be at increased risk of iron deficiency (ID), but it is unclear whether this is due to poor dietary iron intakes or to adiposity-related inflammation., Objective: The aim of this study was to examine the relations between body mass index (BMI), dietary iron, and dietary factors affecting iron bioavailability, iron status, and inflammation [C-reactive protein (CRP)] in a transition country where obesity and ID are common., Design: Data from the 1999 Mexican Nutrition Survey, which included 1174 children (aged 5-12 y) and 621 nonpregnant women (aged 18-50 y), were analyzed., Results: The prevalence of obesity was 25.3% in women and 3.5% in children. The prevalence of ID was significantly (P < 0.05) higher in obese women and children compared with normal-weight subjects [odds ratios (95% CIs): 1.92 (1.23, 3.01) and 3.96 (1.34, 11.67) for women and children, respectively]. Despite similar dietary iron intakes in the 2 groups, serum iron concentrations were lower in obese women than in normal-weight women (62.6 ± 29.5 compared with 72.4 ± 34.6 μg/dL; P = 0.014), and total-iron-binding capacity was higher in obese children than in normal-weight children (399 ± 51 compared with 360 ± 48 μg/dL; P < 0.001). CRP concentrations in obese women and children were 4 times those of their normal-weight counterparts (P < 0.05). CRP but not iron intake was a strong negative predictor of iron status, independently of BMI (P < 0.05)., Conclusions: The risk of ID in obese Mexican women and children was 2-4 times that of normal-weight individuals at similar dietary iron intakes. This increased risk of ID may be due to the effects of obesity-related inflammation on dietary iron absorption. Thus, ID control efforts in Mexico may be hampered by increasing rates of adiposity in women and children.

Published
2011
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