Int J Comput Assist Radiol Surg - Mesh-based method for measuring intracranial volume in patients with craniosynostosis.

Tópicos

{ error(1145) method(1030) estim(1020) }
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Resumo

RPOSE: Craniosynostosis may lead to reduced intracranial volume (ICV) and disturb normal brain growth and development. Thus, ICV is an important parameter with respect to the surgical outcome. Current methods for ICV determination from computed tomography (CT) images have drawbacks. The aim of this study was to investigate the performance of the novel mesh-based method (MBM) for ICV determination with craniosynostosis patients.METHODS: Twenty-two patients operated on for scaphocephaly were included in this study. ICVs from preoperative, one-week postoperative, and one-year postoperative CT images were measured with MBM. The level of agreement with the manual segmentation method (MSM) was determined for the measurements of preoperative and one-year postoperative datasets. Repeatability was determined with re-measurements of six datasets. Measurement time was recorded for MBM.RESULTS: Mean [Formula: see text] preoperative ICV values were 895.0 [Formula: see text] 153.1 [Formula: see text] and 896.4 [Formula: see text] 147.2 [Formula: see text] as measured with MBM and MSM, respectively. Corresponding one-year postoperative values were 1,238.3 [Formula: see text] 118.7 [Formula: see text] and 1,250.1 [Formula: see text] 117.5 [Formula: see text]. The MBM allowed ICV determination from one-week postoperative datasets. Measurement time with MBM was 4 CONCLUSIONS: MBM is an efficient method for determining the ICV of craniosynostosis patients, allowing the measurement of skulls with bony defects. The repeatability and short measurement time of MBM are attributable to the user interference and assessment of the measurement process.

Resumo Limpo

rpose craniosynostosi may lead reduc intracrani volum icv disturb normal brain growth develop thus icv import paramet respect surgic outcom current method icv determin comput tomographi ct imag drawback aim studi investig perform novel meshbas method mbm icv determin craniosynostosi patientsmethod twentytwo patient oper scaphocephali includ studi icv preoper oneweek postop oneyear postop ct imag measur mbm level agreement manual segment method msm determin measur preoper oneyear postop dataset repeat determin remeasur six dataset measur time record mbmresult mean formula see text preoper icv valu formula see text formula see text formula see text formula see text measur mbm msm respect correspond oneyear postop valu formula see text formula see text formula see text formula see text mbm allow icv determin oneweek postop dataset measur time mbm conclus mbm effici method determin icv craniosynostosi patient allow measur skull boni defect repeat short measur time mbm attribut user interfer assess measur process

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