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Factores fetales asociados a prematuridad / Fetal factors associated with prematurity
Díaz Granda, Ruth; Díaz Granda, Lourdes.
  • Díaz Granda, Ruth; Universidad de Cuenca. Quito. EC
  • Díaz Granda, Lourdes; Universidad de Cuenca. Ecuador. EC
Arch. med ; 20(1): 97-106, 2020-01-18.
Article in Spanish | LILACS | ID: biblio-1053238
RESUMEN

Objetivo:

identificar los factores fetales asociados a la prematuridad en el Hospital Vicente Corral de Cuenca-Ecuador en el periodo 2016-2017. Materiales y

métodos:

se diseñó un estudio de casos y controles, con contrastación doble, utilizando dos controles de igual edad posnatal y sexo por cada caso. De una población homogénea de neonatos menores de una semana de vida nacidos en el Hospital Vicente Corral de Cuenca-Ecuador en el periodo 2016-2017, se obtuvo una muestra de 160 casos y 320 controles. Se realizó un análisis estadístico descriptivo e inferencial, para establecer la asociación estadística se utilizó OR, IC 95% y significancia estadística con p-valor <0,05.

Resultados:

en el grupo de casos se encontró 75,0% prematuros tardíos y en el grupo control 62,5% nacidos a término completos. La prematuridad se asoció con gemelaridad OR=7,36; IC 95%=2,61-20,74; p=0,000. Antecedente de hermano nacido pretérmino OR=2,96; IC 95%=1,61-5,44; p=0,000. Peso de nacimiento menor al percentil 10 OR=1,66; IC 95%=1,01-2,75; p=0,048. Los factores que no se asociaron con prematuridad fueron sexo χ2=0,100; p-valor=0,752. Malformaciones congénitas mayores OR=2,02; IC 95%=0,40-10,12; p=0,405.

Conclusiones:

en el presente estudio predominaron en el grupo de casos los pretérmino tardíos y en el grupo control los nacidos a término completos. Los factores fetales verdaderamente asociados a prematuridad fueron gemelaridad, el antecedente de hermano nacido pretérmino y peso de nacimiento menor al percentil 10; el sexo del neonato y las malformaciones congénitas mayores no se asociaron a la prematuridad..(AU)
ABSTRACT

Objective:

to identify fetal factors associated with prematurity in the Vicente Corral Hospital of Cuenca-Ecuador in the 2016-2017 period. Materials and

methods:

a case-control study was designed, with double contrasts, using two controls of equal postnatal age and sex per each case. From a homogeneous population of infants less than one week of age born at the Vicente Corral Hospital in Cuenca-Ecuador in the period 2016-2017, a sample of 160 cases and 320 controls was obtained. A descriptive and inferential statistical analysis was performed, to establish the statistical association, OR, 95% CI and statistical significance with p-value <0,05 were used.

Results:

in the case group, they were 75,0% late premature and in the control group, they were 62,5% born full term. The prematurity was associated with twinning OR=7,36; 95% CI=2,61-20,74; p=0,000. History of premature bother OR=2,96; 95% CI=1,61-5,44; p=0,000.Birth weight lower than the 10th percentile OR=1,66; 95% CI=1,01-2,75; p=0,048. The factors that were not associated with prematurity were sex χ²=0,100; p-value=0,752. Major congenital malformations OR=2,02; 95% CI=0,40-10,12; p=0,405.

Conclusions:

In the present study, late preterm predominated in the case group and full term born in the control group. Fetal factors truly associated with prematurity were twinness, the history of preterm born sibling and birth weight less than the 10th percentile; neonate sex and major congenital malformations were not associated with prematurity..(AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Infant, Premature / Maternal-Fetal Relations Type of study: Observational study / Prognostic study / Risk factors Limits: Infant, Newborn Language: Spanish Journal: Arch. med Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Ecuador Institution/Affiliation country: Universidad de Cuenca/EC

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Full text: Available Index: LILACS (Americas) Main subject: Infant, Premature / Maternal-Fetal Relations Type of study: Observational study / Prognostic study / Risk factors Limits: Infant, Newborn Language: Spanish Journal: Arch. med Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Ecuador Institution/Affiliation country: Universidad de Cuenca/EC