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1.
Hum Immunol ; 84(4): 290-295, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36858916

RESUMO

Celiac disease is strongly associated with HLA DQ, specifically with haplotypes. DRB1*03-DQA1*05:01/DQB1*02:01 (DQ2.5),DRB1*07-DQA1*02:01/DQB1*02:02 (DQ2.2), DRB1*11-DQA1*05:05/DQB1*03:01 (DQ7.5), and DRB1*04-DQA1*03:01/DQB1*03:02 (DQ8). The distribution of these risk haplotypes in patients with celiac disease is different in the geographical areas investigated. A high frequency of DRB1*07- DQA1*02:01/DQB1*02:02 (DQ2.2) and DRB1*11-DQA1*05:05/DQB1*03:01 (DQ7.5), has been described in Southern Europe. We analyzed 2102 confirmed CD cases with information on both DQB1* alelles and their distribution by geographical area in Spain. According to the presence of this haplotype in one or two chromosomes, the genotype is classified in: DQ2 homozygous, DQ2 heterozygous (cis or trans), DQ8 homozygous, DQ8/DQ2.5, DQ 2.2 homozygous and genotype known as "half DQ2". Two different patterns of risks related to CD were identified. In the Basque Country and Navarre, the Mediterranean Area (Aragon, Catalonia, Valencia, Balearic Islands, and Murcia), the South of Spain (Andalucía and Extremadura), and the Canary Islands, higher frequency of DQ2.5 trans, and more than 80% of DQ2.5/DQ2.2 homozygosis were described. The Cantabrian Coast (Cantabria, Asturias, and Galicia) and Central Areas (Castilla-León and Castilla-La Mancha) showed a higher percentage of DQ2.5/DQ2.5 homozygosis and a lower DQ2.5 in trans frequency, as in Northern Europe. Madrid has an intermediate model between the two described above. 17 cases (0.8%) did not carry any CD risk haplotypes.


Assuntos
Doença Celíaca , Antígenos HLA-DQ , Humanos , Criança , Espanha/epidemiologia , Antígenos HLA-DQ/genética , Doença Celíaca/genética , Predisposição Genética para Doença , Alelos , Genótipo , Haplótipos , Cadeias beta de HLA-DQ/genética , Cadeias alfa de HLA-DQ/genética
2.
Medicentro (Villa Clara) ; 19(3): 142-148, jul.-set. 2015.
Artigo em Espanhol | LILACS | ID: lil-749585

RESUMO

Introducción: el Colegio Americano de Obstetras y Ginecólogos define la macrosomía fetal como el peso al nacimiento igual o superior a 4 500 gramos; esta entidad se asocia a una morbilidad y mortalidad maternas y perinatales elevadas. Objetivo: determinar el comportamiento de los factores de riesgo en pacientes con macrosomía. Método: se realizó un estudio observacional descriptivo y transversal. Del total de nacidos vivos con macrosomía fetal en el período estudiado, se escogieron al azar 123 pacientes mediante un muestreo aleatorio simple; las variables estudiadas fueron los factores de riesgo para la macrosomía, los cuales se dividieron en maternos y fetales, edad materna, vía del parto y peso al nacer. Resultados: el mayor número de nacimientos macrosómicos ocurrieron entre 20-34 años de edad, predominaron la obesidad materna y el peso aproximado fetal mayor o igual a 4 500 gramos en las pacientes con parto distócico (p = 0,003 y p = 0,000, respectivamente). El mayor número de recién nacidos pesaron entre los 4 500 gramos-4999 gramos, y la mayoría de las pacientes tenían uno o más factores de riesgo para la macrosomía. Conclusiones: la presencia de factores de riesgo es frecuente en pacientes con macrosomía fetal; su adecuado reconocimiento y atención favorecerán los mejores resultados maternos y perinatales.


Introduction: the American College of Obstetricians and Gynecologists define fetal macrosomia as having a birth weight equal or greater than 4 500 grams; this entity is associated with a high perinatal and maternal mortality and morbidity. Objective: to determine the manifestation of risk factors in patients with macrosomia. Method: a transversal and descriptive observational study was performed. A number of 123 patients were chosen randomly from the total of born alive with fetal macrosomia in the period studied by means of a simple random sampling; the studied variable were risk factors for macrosomia, which were divided in maternal and fetal, maternal age, delivery way and birth weight. Results: the greater number of macrosomic births occurred between 20 to 34 years of age, maternal obesity predominated and estimated fetal weight was equal or greater than 4500 grams in patients with dystocic delivery (p = 0,003 and p = 0,000, respectively). The greater number of newly born infants weighed between 4500 and 4999 grams, and most of the patients had one or more risk factors for macrosomia. Conclusions: the presence of risk factors is very frequent in patients with fetal macrosomia; their adequate recognition and follow-up will favor best maternal and perinatal results.


Assuntos
Macrossomia Fetal , Saúde Materno-Infantil , Fatores de Risco
3.
Med. interna Méx ; 10(2): 79-81, abr.-jun. 1994. tab
Artigo em Espanhol | LILACS | ID: lil-142977

RESUMO

El presente estudio se realizó con el objeto de conocer qué tanto sabe la población de nuestro medio acerca de los factores de riesgo para cardiopatía isquémica, y si existen diferencias entre dos poblaciones de distinto nivel socioeconómico. La población de nivel socioeconómico medio-alto y alto, tuvieron un nivel de información elevado acerca de estos factores de riesgo y significativamente diferente en la población de nivel medio-bajo y bajo. A partir de estudios de este tipo se pueden implementar programas de información masivos destinados a mejorar el conocimiento de los factores de riesgo de la cardiopatía isquémica y así disminuir en lo posible la gran morbi-mortalidad que ocasiona esta patología


Assuntos
Humanos , Masculino , Feminino , Adulto , Doença das Coronárias/epidemiologia , Doença das Coronárias/prevenção & controle , Educação em Saúde , Avaliação Educacional/métodos , Medição de Risco , Fatores de Risco , Fatores Socioeconômicos
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