Prediction of intracranial hypertension through noninvasive intracranial pressure waveform analysis in pediatric hydrocephalus.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
The purpose of this study is to evaluate a noninvasive device to assess intracranial pressure wave form in children with hydrocephalus.
- 1Division of Pediatric Neurosurgery of the Department of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, 14049-900, São Paulo, Brazil. firstname.lastname@example.org.
- 2Institute of Advanced Studies, University of São Paulo, Sao Carlos, Sao Paulo, Brazil.
- 3Institute of Advanced Studies, University of São Paulo, Sao Carlos, Sao Paulo, Brazil.
- 4Institute of Advanced Studies, University of São Paulo, Sao Carlos, Sao Paulo, Brazil.
- 5Division of Pediatric Neurosurgery of the Department of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, 14049-900, São Paulo, Brazil.
A prospective and non-experimental descriptive-analytic study was performed. Fifty-six patients were enrolled in this study. They were divided in four groups: group A, children with clinically compensated hydrocephalus; B, surgically treated hydrocephalus; C, patients with acute intracranial hypertension due to hydrocephalus; and D, children without neurological disease (control). Data were collected through the installation of an extracranial deformation sensor, coupled to the children's scalp, which allowed registration of noninvasive intracranial pressure curves. Parameters obtained were analyzed: P2/P1 ratio, "classification P1 and P2 and P1 slope.
P2/P1 index and "classification of P1 and P2" had a sensitivity of 80% and specificity of 100% for predicting intracranial hypertension. "P1 slope" presented no statistical difference.
This study showed a useful and noninvasive method for monitoring intracranial pressure, which was able to indicate the intracranial hypertension in children with hydrocephalus and, thus, should be further investigated for clinical applications.
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