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[Perinatal intracranial hemorrhage due to immune thrombocytopenia].

AbstractINTRODUCTION:
Immune neonatal thrombocytopenia is caused by maternal antibodies (IgG) passing across the placenta, with subsequent destruction of foetal platelets. There are two forms, the iso-aloimmune forms, with an incidence of intracranial hemorrhage (ICH) in the neonatal period of 10-20%, and the autoimmune form with an incidence of only 1%.
OBJECTIVE:
To review the patients with this condition in a neonatal unit.
CLINICAL CASES:
During the past 12 years, three patients with ICH due to immune thrombocytopenia were attended in the neonatal unit. Three newborn babies had ICH (two intrauterine, at 30 and 33 weeks of gestation, and one postnatal) secondary to immune thrombocytopenia (two aloimmune and one autoimmune). Two births were by caesarean section and one was vaginal. All three had thrombocytopenia at birth (12,000; 23,000 and 56,000 platelets/mm3). Immunological study of the platelets from the patients with aloimmune thrombocytopenia showed the absence of HPA-1a in their mothers. The patients were treated with gammaglobulins and platelets. Intracranial hemorrhage was confirmed on neuroimaging in all cases. A porencephalic cyst was seen to have formed in two cases. The clinical course was satisfactory in two patients. However, the third patient had severe motor impairment and died 9 months later. In all three patients the PEV were altered and two had reduced visual acuity.
CONCLUSIONS:
1. Perinatal ICH due to immune thrombocytopenia is uncommon, but potentially serious. 2. We suggest that cranial ecographic studies should be done in all newborn babies with immune thrombocytopenia even when no neurological disorder is seen. 3. Early diagnosis and suitable treatment may help to reduce the neurological sequelae. 4. The neurological complications are due to intraparenchymatous hemorrhage, and visual sequelae are frequent.
AuthorsA López-Lafuente, J Campistol, M T Toll, M Iriondo
JournalRevista de neurologia (Rev Neurol) 1999 Nov 16-30 Vol. 29 Issue 10 Pg. 917-22 ISSN: 0210-0010 [Print] Spain
Vernacular TitleHemorragia intracraneal perinatal por trombocitopenia inmune.
PMID10637839 (Publication Type: Case Reports, English Abstract, Journal Article)
Topics
  • Child, Preschool
  • Humans
  • Infant, Newborn
  • Intracranial Hemorrhages (congenital, diagnosis, etiology, therapy)
  • Magnetic Resonance Imaging
  • Male
  • Optic Atrophy (diagnosis, etiology)
  • Purpura, Thrombocytopenic, Idiopathic (complications, diagnosis, therapy)
  • Tomography, X-Ray Computed

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