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Rev. lab. clín ; 6(4): 180-184, oct.-dic.2013.
Article in Spanish | IBECS | ID: ibc-118169

ABSTRACT

Fundamento y objetivos. Describir el caso clínico de una hipocalcemia neonatal tardía secundaria a un hiperparatiroidismo materno previamente desconocido, poniendo de relieve la importancia de las pruebas de laboratorio, tanto en el diagnóstico como en el tratamiento del recién nacido y su madre. Caso clínico. Recién nacido varón a término de un embarazo y parto normales que en el 9.° día de vida presenta numerosas crisis convulsivas. En la primera analítica urgente se observa una hipocalcemia asociada a hipomagnesemia, que precisa una terapia correctora de ambos iones, siendo necesario el uso de tratamiento antiepiléptico para el cese de las crisis. Tras un estudio analítico completo y descartadas otras causas por la exploración, anamnesis y pruebas complementarias, se le diagnostica un hipoparatiroidismo neonatal. A partir de este diagnóstico se investiga a la madre, detectándole mediante las pruebas de laboratorio e imagen un posible adenoma paratiroideo izquierdo causante de un hiperparatiroidismo primario no diagnosticado con anterioridad, y confirmado tras su intervención. Conclusiones. Ante la presencia de una hipocalcemia neonatal es preciso investigar un posible hiperparatiroidismo materno (AU)


Background and objectives. To describe a case of late-onset neonatal hypocalcemia, secondary to previously unknown maternal hyperparathyroidism. In particular, highlighting the relevance of the lab tests, in both the diagnosis and the treatment of the newborn and his mother. Clinic case. A full term newborn male with a normal pregnancy and delivery presented at nine days suffering from multiple seizures. Emergency blood biochemistry showed hypocalcemia associated with a low blood magnesium that required corrective ion therapy and anticonvulsives in order to stop the seizures. After a full physical examination and biochemical studies which ruled out other etiologies, a diagnosis of neonatal hypoparathyroidism was reached. Thereafter, the mother was investigated, and laboratory tests and imaging of the parathyroids showed a feasible left parathyroid adenoma causing primary hyperparathyroidism which was previously undiagnosed and confirmed after surgery. Conclusions. In any presentation of neonatal hypocalcemia, the mother should be investigated for possible hyperparathyroidism (AU)


Subject(s)
Humans , Male , Infant, Newborn , Hypocalcemia/complications , Hypocalcemia/pathology , Hypocalcemia/diagnosis , Hyperparathyroidism, Primary/complications , Hyperparathyroidism, Primary/pathology , Pregnancy Complications/diagnosis , Laboratory Test/methods , Clinical Laboratory Techniques/instrumentation , Clinical Laboratory Techniques/methods , Clinical Laboratory Techniques , Laboratory Test/analysis , Laboratory Test/prevention & control
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