• Rev Bras Anestesiol · Nov 2010

    Review Case Reports

    Intracranial subdural hematoma post-spinal anesthesia: report of two cases and review of 33 cases in the literature.

    • Jane Auxiliadora Amorim, Diana Souza Canuto dos Anjos Remígio, Otávio Damázio Filho, Marcos Aureliano Guerra de Barros, Valentina Nicole Carvalho, and Marcelo Moraes Valença.
    • Centro de Ensino e Treinamento em Anestesiologia of Hospitais da Restauração (HR), Getúlio Vargas (HGV), e Oswaldo Cruz (HOC), Recife-PE, Brazil. janemarcos22@superig.com.br
    • Rev Bras Anestesiol. 2010 Nov 1; 60 (6): 620-9, 344-9.

    Background And ObjectivesIntracranial subdural hematoma is a rare complication of spinal anesthesia. We report two cases of women who developed chronic subdural hematoma post-spinal anesthesia diagnosed after prolonged clinical evolution of post-dural puncture headache (PDPH) and we analyze other 33 cases found on literature review.Case ReportsIn 35 patients (ages 20-88 years, 19 males), 14 were older than 60 years (40%), of which 12 (86%) were males. The relationship is inverted in the group of younger patients (< 60 years), in which we observed twice as many women (14:7). Two peaks of higher incidence were observed: 30-39 years (31%) and 60-69 years (29%). The length of time from the beginning of symptoms until diagnosis ranged from 4 hours to 29 weeks. Headache was the main complaint in 26/35 (74.3%) patients; changes in the level of consciousness in 14/35 (40.0%); vomiting in 11/35 (31,4%); hemiplegia or hemiparesis in 8/35 (22.9%); diplopia or VI nerve paresis in 5/35 (14.3%); and language disorders in 4/35 (11.4%). Contributing factors included: pregnancy, multiple punctures, use of anticoagulants, intracranial vascular abnormalities, and brain atrophy. In 15 cases, a contributing factor was not mentioned. Four out of 35 patients (11.4%) remained with neurologic sequelae, and 4/35 (11.4%) died.ConclusionsThe presence of any of the signs or symptoms mentioned above should alert for the possibility of an intracranial subdural hematoma as a complication of puncture of the dura mater, especially in those patients with PDPH for more than one week, at which time investigation by neuroimaging is necessary.© 2010 Elsevier Editora Ltda. All rights reserved.

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