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1.
Arq. neuropsiquiatr ; 68(4): 623-626, Aug. 2010. tab
Article in English | LILACS | ID: lil-555246

ABSTRACT

The best surgical treatment for Chiari malformation is unclear, especially in patients with syringomyelia. We reviewed the records of 16 patients who underwent suboccipital craniectomy at our institution between 2005 and 2008. Of the six patients who did not undergo duraplasty, four showed improvement postoperatively. Two patients without syringomyelia showed improvement postoperatively. Of the four patients with syringomyelia, three showed improvement, including two with a decrease in the cavity size. One patient showed improvement in symptoms but the syringomyelia was unchanged. The cavity size increased in the one patient who did not show improvement. Among the 10 patients who underwent duraplasty, improvements were noted in four of the five patients without syringomyelia and in all of the five with syringomyelia. There is a suggestion that patients with syringomyelia may have a higher likelihood of improvement after undergoing duraplasty.


A melhor opção de tratamento cirúrgico na malformação de Chiari é desconhecido, especialmente em paciente com siringomielia. Nós revisamos casos de 16 pacientes submetidos à craniectomia suboccipital em nossa instituição de 2005 à 2008. Dos 6 pacientes que não foram submetidos à duroplastia, quatro tiveram melhora pós operatória. Dois pacientes sem siringomielia tiveram melhora pós operatória. Dos quatro pacientes com siringomielia, três tiveram melhora, incluindo dois com diminuição do tamanho da cavidade. Um paciente teve melhora da sintomatologia mas a siringomielia não se modificou. Dez pacientes foram submetidos à duroplastia. Melhora foi observada em 4 de 5 pacientes sem siringomielia e 5 de 5 casos com siringomielia. Há uma sugestão de que pacientes com siringomielia possam ter uma maior taxa de melhora após serem submetidos à duroplastia.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Arnold-Chiari Malformation/surgery , Craniotomy/methods , Dura Mater/surgery , Syringomyelia/surgery , Arnold-Chiari Malformation/complications , Retrospective Studies , Syringomyelia/complications , Treatment Outcome
2.
Arq. neuropsiquiatr ; 68(3): 406-409, June 2010. ilus, tab
Article in English | LILACS | ID: lil-550275

ABSTRACT

The objective of this study was to characterize the headache precipitated by Valsalva maneuvers associated with Chiari type I malformation (CM-1). Nineteen patients were evaluated, with ages ranging from 30 to 75 years. Ten of them presented headache. Pain was more prevalent in the occipital (80 percent) and frontal region (60 percent). The headaches were of significantly shorter duration in the women compared with the men. The frequency of headache crises was relatively high. All patients with Valsalva-related headache suffered from at least one episode per month. The most prevalent precipitating factors were coughing, which is well described in the literature, and sexual activity, which only now is recognized as an event associated with CM-1.


Neste estudo, objetivou-se caracterizar a cefaléia desencadeada por manobra de Valsalva, em portadores de malformação de Chiari tipo 1 (MC-1). Foram avaliados 19 pacientes com idades variando entre 30 e 75 anos. Dentre estes, 10 apresentaram cefaléia. A região mais acometida foi a occipital (80 por cento) e frontal (60 por cento). A cefaléia foi de duração bem menor nas mulheres em relação aos homens. A freqüência da cefaléia foi relativamente alta, com todos os pacientes apresentando pelo menos um episódio por mês. Os principais fatores desencadeantes foram a tosse, que já é bem descrita pela literatura, e a atividade sexual, que apenas recentemente foi associada a MC-1.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Arnold-Chiari Malformation/complications , Headache Disorders, Primary/etiology , Valsalva Maneuver , Time Factors
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