Multivariate Analysis of Thyrotropin in Preterm Newborns Based on Adequacy of Weight for Gestational Age
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http://hdl.handle.net/10045/61729
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Campo DC | Valor | Idioma |
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dc.contributor | Salud y Cuidados en Grupos Vulnerables (SACU) | es_ES |
dc.contributor.author | Bosch-Giménez, Vicente | - |
dc.contributor.author | Palazón Bru, Antonio | - |
dc.contributor.author | Blasco-Barbero, Álvaro | - |
dc.contributor.author | Juste-Ruiz, Mercedes | - |
dc.contributor.author | Rizo-Baeza, Mercedes | - |
dc.contributor.author | Cortés Castell, Ernesto | - |
dc.contributor.other | Universidad de Alicante. Departamento de Enfermería | es_ES |
dc.date.accessioned | 2017-01-16T08:09:05Z | - |
dc.date.available | 2017-01-16T08:09:05Z | - |
dc.date.issued | 2017-01-01 | - |
dc.identifier.citation | Thyroid. 2017, 27(1): 120-124. doi:10.1089/thy.2016.0338 | es_ES |
dc.identifier.issn | 1050-7256 (Print) | - |
dc.identifier.issn | 1557-9077 (Online) | - |
dc.identifier.uri | http://hdl.handle.net/10045/61729 | - |
dc.description.abstract | Background: Different and conflicting data have been published concerning thyrotropin (TSH) levels among small-for-gestational-age (SGA) and appropriate-for-gestational-age (AGA) newborns. The hypothesis of this study was that SGA preterm infants have higher TSH levels than those who are not underweight do. Methods: This cross-sectional study analyzed the TSH levels of all preterm newborns with a negative congenital hypothyroidism screening result (TSH <7.5 μIU/mL). Secondary variables were sex, birth weight (SGA, AGA), days of life at blood extraction, maternal origin, gestational age, and being a twin or not. Two multiple linear regression models were constructed comparing TSH levels in SGA and AGA or the z-score for birth weight and the remaining variables. Results: A sample including 5819 preterm infants was obtained: 53.8% male, 23.3% twins, and 3.3% SGA. TSH concentrations were 2.16 ± 2.0 μIU/mL for the SGA infants and 1.80 ± 1.5 μIU/mL for the AGA infants (p = 0.012), with a negative correlation (p < 0.001) between TSH levels and the z-score for the weight of the newborn. The multivariate analysis comparing TSH levels between SGA and AGA gave the following: SGA (B = 0.46, p < 0.001), Latin American mother (B = −0.16, p = 0.029), days of life at blood extraction (B = −0.26, p < 0.001), and gestational age ≤28 weeks (B = −0.56, p < 0.001). Using the z-score for the weight, the associations were: maternal origin North Africa (B = 0.19, p = 0.042), days of life at blood extraction (B = −0.27, p < 0.001), gestational age ≤28 weeks (B = −0.55, p < 0.001), and z-score for weight (B = −0.12, p < 0.001). Conclusions: Our multivariate analysis suggests that TSH concentrations are higher in SGA infants than they are in AGA infants, and this should be taken into account when establishing a reference interval appropriate for this population. The clinical relevance remains unknown, but lines of research are opened that may allow a better understanding of the long-term morbidities in these newborns. | es_ES |
dc.language | eng | es_ES |
dc.publisher | Mary Ann Liebert | es_ES |
dc.rights | © Mary Ann Liebert, Inc. | es_ES |
dc.subject | Thyrotropin | es_ES |
dc.subject | Newborns | es_ES |
dc.subject | Preterm | es_ES |
dc.subject | Intrauterine growth | es_ES |
dc.subject | Gestational age | es_ES |
dc.subject.other | Enfermería | es_ES |
dc.title | Multivariate Analysis of Thyrotropin in Preterm Newborns Based on Adequacy of Weight for Gestational Age | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.peerreviewed | si | es_ES |
dc.identifier.doi | 10.1089/thy.2016.0338 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1089/thy.2016.0338 | es_ES |
dc.identifier.cvID | A8731462 | - |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | es_ES |
Aparece en las colecciones: | INV - SACU - Artículos de Revistas |
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