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Anormalidades metabólicas en la deficiencia de la hormona de crecimiento / Metabolic Abnormalities in growth hormone deficiency
Lanes, Roberto.
  • Lanes, Roberto; Hospital de Clínicas Caracas. Pediatric Endocrine Unit. Caracas. VE
Rev. argent. endocrinol. metab ; 45(5): 214-223, oct.-dic. 2008.
Article in English | LILACS | ID: lil-641945
ABSTRACT
Increased cardiovascular morbidity and mortality has been reported in adult subjects with growth hormone deficiency (GHD). Long term follow up of a large cohort of patients with adult onset GHD, suggests that GH therapy may contribute to a reduced risk of nonfatal stroke, particularly in women and in a decline in nonfatal cardiac events in GHD men(1,2). Adult hypopituitary patients with untreated growth hormone deficiency have been shown to have a cluster of cardiovascular risk factors such as increased visceral adiposity, disturbances in lipoprotein metabolism, premature atherosclerosis, impaired fibrinolytic activity, increased peripheral insulin resistance, abnormal cardiac structure, impaired cardiac performance and endothelial dysfunction (3,4). Several of these risk factors have now been confirmed in double blind, randomized, placebo controlled trials (5,6). Metabolic changes in GH deficient children and adolescents have been evaluated only quite recently and superficially. In this article we will discuss these metabolic abnormalities and their underlying mechanism in untreated GHD subjects and we will review the beneficial effect of growth hormone therapy in adults, adolescents and children with GHD.
RESUMEN
Se ha reportado un aumento en la morbilidad y mortalidad de pacientes adultos con deficiencia de la hormona de crecimiento (DHC). El seguimiento a largo plazo de una cohorte de pacientes con DHC sugiere que la administracion de hormona de crecimiento puede contribuir a una reducción en el número de los accidentes cerebrovasculares no fatales, particularmente en mujeres y de eventos cardíacos en hombres(1,2). Pacientes adultos con hipopituitarismo y una DHC cursan con un acúmulo de factores de riesgo cardiovascular tales como un aumento en la adiposidad visceral, alteraciones en el metabolismo lipoproteico, ateroesclerosis prematura, actividad fibrinolítica alterada, resistencia a la insulina, masa y función cardíaca alterada y disfunción endotelial (3,4). Varios de estos factores de riesgo han sido comprobados en estudios doble ciego, randomizados con placebo (5,6). Las alteraciones metabólicas en niños y adolescentes deficientes de hormona de crecimiento han sido evaluadas sólo recientemente y de manera aún superficial. En este manuscrito discutiremos estas anormalidades y los mecanismos etilógicos subyacentes en sujetos DHC no tratados y revisaremos el efecto beneficioso de la terapia con hormona de crecimiento en niños, adolescentes y adultos.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Human Growth Hormone Type of study: Controlled clinical trial / Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Child / Female / Humans / Male Language: English Journal: Rev. argent. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2008 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Hospital de Clínicas Caracas/VE

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Full text: Available Index: LILACS (Americas) Main subject: Human Growth Hormone Type of study: Controlled clinical trial / Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Child / Female / Humans / Male Language: English Journal: Rev. argent. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2008 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Hospital de Clínicas Caracas/VE