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dc.contributor.author
Pita Martín de Portela, María Luz
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dc.contributor.author
Mónico, Amália
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Barahona, Antonieta
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Dupraz, Hernan
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Gonzales Chaves, Macarena Maria Sol
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dc.contributor.author
Zeni, Susana Noemi
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dc.date.available
2020-09-04T19:22:12Z
dc.date.issued
2010-03
dc.identifier.citation
Pita Martín de Portela, María Luz; Mónico, Amália; Barahona, Antonieta; Dupraz, Hernan; Gonzales Chaves, Macarena Maria Sol; et al.; Comparative 25-OH-vitamin D level in institutionalized women older than 65 years from two cities in Spain and Argentina having a similar solar radiation index; Elsevier Science Inc; Nutrition; 26; 3; 3-2010; 283-289
dc.identifier.issn
0899-9007
dc.identifier.uri
http://hdl.handle.net/11336/113291
dc.description.abstract
Objective: The present study evaluated and compared vitamin D nutritional status and calcium-phosphorus metabolism in institutionalized women >65 y from two cities that have a similar sun irradiation index (heliophany). Methods: The study was carried out in women living in similar social-status institutions from geographic cities having a similar solar radiation index (Lleida, Spain, n = 49, and suburban Buenos Aires, Argentina [BA], n = 48) at the end of summer. Results: Fish consumption was higher in the Lleida group, as was red-meat consumption in the BA group. In both groups mean calcium intake was 800 mg/d. The daily intake of vitamin D was higher in the BA group (P < 0.001). A total of 90% in Lleida and 86% in BA had 25-hydroxyvitamin D (25OHD) levels <20 ng/mL. A significant inverse correlation between individual 25OHD and parathyroid hormone (PTH) levels was observed in the two groups of women (r = -0.329, P = 0.035). PTH levels >100 pg/mL were found in 24% and 20% of women in Lleida and BA, respectively. There was a marked increase in carboxy-terminal telopeptide cross-links of type I collagen levels and a decrease in 25OHD with an increase in PTH levels (P < 0.05). Conversely, bone alkaline phosphatase increased significantly only when the PTH concentration duplicated the reference range. Conclusion: Even at the end of summer, vitamin D deficiency/insufficiency was prevalent in the two studied institutionalized elderly women. In the narrow range of the dietary calcium intake (close to 800 mg/d) of both studied groups, secondary hyperparathyroidism was absent when 25OHD levels were >17 ng/dL, indicating changes in the regulation control of serum PTH and consequently the changes in this threshold. As a result, vitamin D deficiency must be reversed to avoid the increment in bone turnover and to ensure the endocrine and paracrine functions of vitamin D for overall health and well-being.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
25-HYDROXYVITAMIN D
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CALCIUM
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ELDERLY
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INSTITUTIONALIZED WOMEN
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PARATHYROID HORMONE
dc.subject.classification
Otras Ciencias Médicas
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dc.subject.classification
Otras Ciencias Médicas
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dc.subject.classification
CIENCIAS MÉDICAS Y DE LA SALUD
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dc.title
Comparative 25-OH-vitamin D level in institutionalized women older than 65 years from two cities in Spain and Argentina having a similar solar radiation index
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-08-04T15:58:10Z
dc.journal.volume
26
dc.journal.number
3
dc.journal.pagination
283-289
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Pita Martín de Portela, María Luz. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
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Fil: Mónico, Amália. Universidad de Lleida; España
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Fil: Barahona, Antonieta. Universidad de Lleida; España
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Fil: Dupraz, Hernan. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
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Fil: Gonzales Chaves, Macarena Maria Sol. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. División Osteopatías; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Zeni, Susana Noemi. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín. División Osteopatías; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Inmunología, Genética y Metabolismo. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Inmunología, Genética y Metabolismo; Argentina
dc.journal.title
Nutrition
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.nut.2009.04.022
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0899900709002202
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