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AI InsightForthis reason, we suggest CA be used as a radiological criterion during early radiological follow-up of patients after ETV.
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Özet
AIM: To determine whether callosal angle (CA) measurement, a diagnostic and prognostic tool used for normal-pressurehydrocephalus in adults, is a reliable radiological parameter for evaluating endoscopic third ventriculostomy (ETV) outcomes inpediatric patients.MATERIAL and METHODS: Forty-seven pediatric patients with hydrocephalus who underwent successful ETV in our clinicbetween 2011 and 2015 were included in this study. Preoperative and postoperative three-month CA, lateral ventricle frontal horn(LVFH) width, Evans’ index (EI), and frontal-occipital horn ratio (FOR) parameters were recorded, with changes analyzed using apaired-samples t-test.RESULTS: There were 29 male and 18 female patients included within the cohort. For mean preoperative values, LVFH width was58.8 ± 14.9 mm, EI was 0.43 ± 0.09, FOR was 0.51 ± 0.74, and CA was 78.5° ± 36.4°. Separately, for mean postoperative values,LVFH width was 54 ± 14.2 mm, EI was 0.39 ± 0.09, FOR was 0.47 ± 0.07, and CA was 104.5° ± 32.6°. The CA was increased and theLVFH width, EI, and FOR were decreased in all patients within three months after surgery. The postoperative three-month change inCA was higher than those observed in the other parameters.CONCLUSION: Changes in CA after successful ETV were dramatically higher than those in the other ventricular parameters. Forthis reason, we suggest CA be used as a radiological criterion during early radiological follow-up of patients after ETV.