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22. Iron deficiency, fatigue and muscle strength and function in older hospitalized patients

Author

Neidlein, Sophia, Wirth, Rainer, and Pourhassan, Maryam

Subjects
Aged patients -- Health aspects, Fatigue -- Risk factors, Iron deficiency diseases -- Risk factors -- Complications and side effects, Food/cooking/nutrition, Health
Abstract

Background/Objectives Iron deficiency is common in older patients. We investigated whether iron deficiency is an independent risk factor for functional impairment, low muscle function, fatigue, and rehabilitation progress in older hospitalized patients. Subjects/Methods Two hundred twenty-four patients (age range 65-95 years; 67% females) who were consecutively admitted to a geriatric acute care ward participated in this prospective longitudinal observational study. Ferritin, iron, transferrin in serum, and blood hemoglobin were measured and current iron supplementation was recorded. Fatigue and comorbidity were measured using the fatigue severity scale and Charlson Comorbidity Index, respectively. Barthel Index, handgrip strength, and isometric knee extension strength were conducted at the time of hospital admission and before discharge. Results Ninety-one (41%) patients had iron deficiency in which the majority had functional iron deficiency (78/91, 86%). Absolute iron deficiency with and without anemia was diagnosed in 12 (13%) and one patients, respectively. Barthel Index and handgrip and knee extension strength significantly improved during hospitalization in iron deficiency and non-iron deficiency groups. Knee extension strength showed better improvement in iron-deficient patients receiving iron supplementation and iron supplementation during hospital stay was the main predictor for improvement in knee extension strength. Comorbidity, iron deficiency, and changes in handgrip strength were the major independent risk factors for poor improvement in Barthel Index during hospitalization. There were significant associations between patients' fatigue and iron deficiency, comorbidity, and female gender. Conclusion Iron deficiency is an independent risk factor for fatigue and poor functional recovery among older hospitalized patients. Iron supplementation seems to be capable of improving functional performance., Author(s): Sophia Neidlein [sup.1] , Rainer Wirth [sup.1] , Maryam Pourhassan [sup.1] Author Affiliations: (1) Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-Universität Bochum, Herne, Germany Introduction Iron deficiency is [...]

Published
2021
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23. Mangelernährung

Author

von Arnim, Christine, Wirth, Rainer, Maetzler, Walter, editor, Dodel, Richard, editor, Jacobs, Andreas H., editor, Bauer, Jürgen, Foreword by, Deuschl, Günther, Foreword by, and Morley, John E., Foreword by

Published
2019
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27. Diagnosis and treatment of neurogenic dysphagia – S1 guideline of the German Society of Neurology

Author

Dziewas, Rainer, Allescher, Hans-Dieter, Aroyo, Ilia, Bartolome, Gudrun, Beilenhoff, Ulrike, Bohlender, Jörg, Breitbach-Snowdon, Helga, Fheodoroff, Klemens, Glahn, Jörg, Heppner, Hans-Jürgen, Hörmann, Karl, Ledl, Christian, Lücking, Christoph, Pokieser, Peter, Schefold, Joerg C., Schröter-Morasch, Heidrun, Schweikert, Kathi, Sparing, Roland, Trapl-Grundschober, Michaela, Wallesch, Claus, Warnecke, Tobias, Werner, Cornelius J., Weßling, Johannes, Wirth, Rainer, and Pflug, Christina

Published
2021
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29. Neurogeriatrics—a vision for improved care and research for geriatric patients with predominating neurological disabilities

Author

Jacobs, Andreas H., Emmert, Kirsten, Baron, Ralf, Bartsch, Thorsten, Bauer, Juergen, Becker, Clemens, Berg, Daniela, Bergmann, Philipp, Boetzel, Kai, Bollheimer, Cornelius, Deuschl, Guenther, Djukic, Marija, Drey, Michael, Durwen, Herbert, Ebersbach, Georg, Elshehabi, Morad, Geritz, Johanna, Gisinger, Christoph, Guennewig, Thomas, Hauptmann, Bjoern, Heppner, Hans-Juergen, Hobert, Markus A., Hofmann, Werner, Huellemann, Philipp, Jahn, Klaus, Klucken, Jochen, Kurth, Roland, Lindner, Reinhard, Lingor, Paul, Lukas, Albert, Maetzold, Sara, Mokrusch, Thomas, Mollenhauer, Brit, Nau, Roland, Plate, Annika, Polidori, Maria Cristina, Prell, Tino, Schellinger, Peter, Spira, Dominik, Stephani, Ulrich, Studt, Simone, Trenkwalder, Claudia, Unger, Heinz L., Urban, Peter, von Arnim, Christine A. F., Warnecke, Tobias, Weiss, Michael, Wiedemann, Andreas, Wirth, Rainer, Witt, Karsten, Dodel, Richard, and Maetzler, Walter

Published
2020
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33. Divergent effects of leaf‐cutting ant herbivory and soil engineering on the reproductive success of plants in a Caatinga dry forest.

Author

de Oliveira, Francisca Raimunda, Centeno‐Alvarado, Diego, Oliveira, Fernanda M. P., Wirth, Rainer, Lopes, Ariadna Valentina, and Leal, Inara R.

Subjects
LEAF-cutting ants, TROPICAL dry forests, SOIL mechanics, CAATINGA plants, BIOLOGICAL fitness
Abstract

Plant reproduction is influenced by resource availability, environment and interactions with pollinators, pathogens and herbivores. In the Neotropical region, the leaf‐cutting ants are voracious herbivores and soil engineers, potentially affecting plant performance. This study investigated the effects of herbivory and soil changes via nest construction and maintenance linked to Atta opaciceps (Hymenoptera: Formicidae) (Bormeier, 1939) on the reproductive success of two Leguminosae species (Cenostigma pyramidale (Tul.) E. Gagnon & G.P. Lewis and Indigofera suffruticosa Mill. Mill.) widely distributed in the Caatinga dry forest.We selected eight nests from A. opaciceps colonies, with both plant species nearby. For each colony, we selected similar‐sized adult plants from foraging trail ends, where ants concentrate foraging efforts and herbivory is pronounced. We also selected plants located 20 m away from the foraging trail ends, representing herbivory‐protected scenarios, secured by tanglefoot barriers. Additionally, to assess ant‐related soil effects, we selected individuals from different nest‐associated soils (i.e., nest mounds and external refuse dumps) and from locations 20 m away from the aforementioned locations. All these individuals were shielded with tanglefoot barriers.Herbivory and soil changes from A. opaciceps did not affect any metric evaluated of C. pyramidale. Yet, for I. suffruticosa, ant herbivory boosted fruit set, and nest‐related soil changes, notably from refuse dumps, increased the number of flowers and fruits.Our findings indicate that leaf‐cutting ant effects on plant performance are species‐specific and may eventually benefit plant reproduction. Given the proliferation of leaf‐cutting ants in human‐modified landscapes of the Caatinga dry forest, positive interactions with plants might be vital to improving plant recruitment and forest regeneration dynamics. [ABSTRACT FROM AUTHOR]

Published
2024
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43. ESPEN guideline clinical nutrition in neurology

Author

Burgos, Rosa, Bretón, Irene, Cereda, Emanuele, Desport, Jean Claude, Dziewas, Rainer, Genton, Laurence, Gomes, Filomena, Jésus, Pierre, Leischker, Andreas, Muscaritoli, Maurizio, Poulia, Kalliopi-Anna, Preiser, Jean Charles, Van der Marck, Marjolein, Wirth, Rainer, Singer, Pierre, and Bischoff, Stephan C.

Published
2018
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