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For definite diagnosis, invasive intracranial pressure measurement is usually required. Ultrasound (US) of the optic nerve sheath diameter provides a non-invasive method to assess intracranial pressure. Transtemporal US allows imaging of the third ventricle and thus assessment for hydrocephalus.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To investigate whether the combination of US optic nerve sheath and third ventricle diameter can be used as a screening tool in pediatric idiopathic intracranial hypertension to indicate elevated intracranial pressure and exclude hydrocephalus as an underlying pathology. Further, to analyze whether both parameters can be used to monitor treatment outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>We prospectively included 36 children with idiopathic intracranial hypertension and 32 controls. Using a 12-Mhz linear transducer and a 1\u20134-Mhz phased-array transducer, respectively, optic nerve sheath and third ventricle diameters were determined initially and during the course of treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In patients, the mean optic nerve sheath diameter was significantly larger (6.45\u00b10.65 mm, controls: 4.96\u00b10.32 mm) and the mean third ventricle diameter (1.69\u00b10.65 mm, controls: 2.99\u00b11.31 mm) was significantly smaller compared to the control group,\n                      <jats:italic>P<\/jats:italic>\n                      &lt;0.001. Optimal cut-off values were 5.55 mm for the optic nerve sheath and 1.83 mm for the third ventricle diameter.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The combined use of US optic nerve sheath and third ventricle diameter is an ideal non-invasive screening tool in pediatric idiopathic intracranial hypertension to indicate elevated intracranial pressure while ruling out hydrocephalus. Treatment can effectively be monitored by repeated US, which also reliably indicates relapse.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00247-024-05905-9","type":"journal-article","created":{"date-parts":[[2024,3,20]],"date-time":"2024-03-20T11:02:01Z","timestamp":1710932521000},"page":"1001-1011","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Ultrasound-guided initial diagnosis and follow-up of pediatric idiopathic intracranial hypertension"],"prefix":"10.1007","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7470-6717","authenticated-orcid":false,"given":"Susanne Regina","family":"Kerscher","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julian","family":"Zipfel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karin","family":"Haas-Lude","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Bevot","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9843-7486","authenticated-orcid":false,"given":"Martin Ulrich","family":"Schuhmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,3,20]]},"reference":[{"key":"5905_CR1","doi-asserted-by":"publisher","first-page":"485","DOI":"10.1111\/head.13236","volume":"58","author":"C Cleves-Bayon","year":"2018","unstructured":"Cleves-Bayon C (2018) Idiopathic intracranial hypertension in children and adolescents: an update. 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