Changes in Callosal Angle and Evans Index After Shunt Surgery in Patients with Idiopathic Normal Pressure Hydrocephalus
Idiopathic normal pressure hydrocephalus (iNPH) is a disease characterized by gait disturbance, cognitive impairment, and urinary incontinence. For those patients who do not respond to shunt surgery, it lacks objective radiologic findings for the diagnosis of shunt malfunction. Here we aimed to eval...
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| Veröffentlicht in: | World neurosurgery 2024-10, Vol.190, p.e617-e621 |
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| creator | Casimiro Reis, Rodolfo Harumi Gobbato Yamashita, Renata Fontoura Solla, Davi Jorge Fajardo Ramin, Laís de Andrade Lourenção Freddi, Tomás Jacobsen Teixeira, Manoel Campos Gomes Pinto, Fernando |
| description | Idiopathic normal pressure hydrocephalus (iNPH) is a disease characterized by gait disturbance, cognitive impairment, and urinary incontinence. For those patients who do not respond to shunt surgery, it lacks objective radiologic findings for the diagnosis of shunt malfunction. Here we aimed to evaluate whether the Evans index and callosal angle change during a prospective long-term follow-up of patients with iNPH submitted to shunt surgery.
Clinical (NPH Japanese Scale) and radiologic (Evans index and callosal angle) data were collected pre- and postoperatively (3, 6, 12 and months) in 19 patients with iNPH. Imaging tests were evaluated by the same neuroradiologist during the follow-up.
Patients had lower scores on the NPH Japanese Scale over time (P |
| doi_str_mv | 10.1016/j.wneu.2024.07.191 |
| format | Article |
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Clinical (NPH Japanese Scale) and radiologic (Evans index and callosal angle) data were collected pre- and postoperatively (3, 6, 12 and months) in 19 patients with iNPH. Imaging tests were evaluated by the same neuroradiologist during the follow-up.
Patients had lower scores on the NPH Japanese Scale over time (P < 0.001). There was no significant difference among Evans index values during the follow-up (P = 0.24). Preoperative average callosal angle was 72 ± 15, which increased to 91 ± 18 in 6 months (P = 0.003).
In this sample, patients with iNPH submitted to a programmable valve shunt had an increase in callosal angle concomitant to neurologic improvement. The Evans index did not change during follow-up.</description><identifier>ISSN: 1878-8750</identifier><identifier>ISSN: 1878-8769</identifier><identifier>EISSN: 1878-8769</identifier><identifier>DOI: 10.1016/j.wneu.2024.07.191</identifier><identifier>PMID: 39098500</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Callosal angle ; Evans index ; Normal pressure hydrocephalus ; Ventriculoperitoneal shunt</subject><ispartof>World neurosurgery, 2024-10, Vol.190, p.e617-e621</ispartof><rights>2024 Elsevier Inc.</rights><rights>Copyright © 2024 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c237t-7e1c95635ff0e2ad737d1b794c539d5854105d16c2268bf21a8d88cc0cbe79bd3</cites><orcidid>0000-0002-7974-6045 ; 0000-0002-1408-0684 ; 0000-0002-5092-6595 ; 0000-0002-0324-8568 ; 0000-0003-2384-2190 ; 0000-0003-2802-0962</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.wneu.2024.07.191$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39098500$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Casimiro Reis, Rodolfo</creatorcontrib><creatorcontrib>Harumi Gobbato Yamashita, Renata</creatorcontrib><creatorcontrib>Fontoura Solla, Davi Jorge</creatorcontrib><creatorcontrib>Fajardo Ramin, Laís</creatorcontrib><creatorcontrib>de Andrade Lourenção Freddi, Tomás</creatorcontrib><creatorcontrib>Jacobsen Teixeira, Manoel</creatorcontrib><creatorcontrib>Campos Gomes Pinto, Fernando</creatorcontrib><title>Changes in Callosal Angle and Evans Index After Shunt Surgery in Patients with Idiopathic Normal Pressure Hydrocephalus</title><title>World neurosurgery</title><addtitle>World Neurosurg</addtitle><description>Idiopathic normal pressure hydrocephalus (iNPH) is a disease characterized by gait disturbance, cognitive impairment, and urinary incontinence. For those patients who do not respond to shunt surgery, it lacks objective radiologic findings for the diagnosis of shunt malfunction. Here we aimed to evaluate whether the Evans index and callosal angle change during a prospective long-term follow-up of patients with iNPH submitted to shunt surgery.
Clinical (NPH Japanese Scale) and radiologic (Evans index and callosal angle) data were collected pre- and postoperatively (3, 6, 12 and months) in 19 patients with iNPH. Imaging tests were evaluated by the same neuroradiologist during the follow-up.
Patients had lower scores on the NPH Japanese Scale over time (P < 0.001). There was no significant difference among Evans index values during the follow-up (P = 0.24). Preoperative average callosal angle was 72 ± 15, which increased to 91 ± 18 in 6 months (P = 0.003).
In this sample, patients with iNPH submitted to a programmable valve shunt had an increase in callosal angle concomitant to neurologic improvement. The Evans index did not change during follow-up.</description><subject>Callosal angle</subject><subject>Evans index</subject><subject>Normal pressure hydrocephalus</subject><subject>Ventriculoperitoneal shunt</subject><issn>1878-8750</issn><issn>1878-8769</issn><issn>1878-8769</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQhi0EAgT8AQbkkaXBjuvYkViqio9KCJCA2XLsS-MqdYrttPTfk6rAyC13w_O-0j0IXVKSUUKLm0W28dBnOcnHGREZLekBOqVSyJEURXn4d3Nygi5iXJBhGB1LwY7RCStJKTkhp2gzbbSfQ8TO46lu2y7qFk_8vAWsvcV3a-0jnnkLX3hSJwj4rel9wm99mEPY7lKvOjnwKeKNSw2eWdetdGqcwc9dWA5lrwFi7APgx60NnYFVo9s-nqOjWrcRLn72Gfq4v3ufPo6eXh5m08nTyORMpJEAakpeMF7XBHJtBROWVqIcG85KyyUfU8ItLUyeF7Kqc6qlldIYYioQZWXZGbre965C99lDTGrpooG21R66PipGpOScU8oGNN-jJnQxBqjVKrilDltFido5Vwu1c652zhURanA-hK5--vtqCfYv8mt4AG73AAxfrh0EFc3gy4B1AUxStnP_9X8DzO6TqQ</recordid><startdate>20241001</startdate><enddate>20241001</enddate><creator>Casimiro Reis, Rodolfo</creator><creator>Harumi Gobbato Yamashita, Renata</creator><creator>Fontoura Solla, Davi Jorge</creator><creator>Fajardo Ramin, Laís</creator><creator>de Andrade Lourenção Freddi, Tomás</creator><creator>Jacobsen Teixeira, Manoel</creator><creator>Campos Gomes Pinto, Fernando</creator><general>Elsevier Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-7974-6045</orcidid><orcidid>https://orcid.org/0000-0002-1408-0684</orcidid><orcidid>https://orcid.org/0000-0002-5092-6595</orcidid><orcidid>https://orcid.org/0000-0002-0324-8568</orcidid><orcidid>https://orcid.org/0000-0003-2384-2190</orcidid><orcidid>https://orcid.org/0000-0003-2802-0962</orcidid></search><sort><creationdate>20241001</creationdate><title>Changes in Callosal Angle and Evans Index After Shunt Surgery in Patients with Idiopathic Normal Pressure Hydrocephalus</title><author>Casimiro Reis, Rodolfo ; Harumi Gobbato Yamashita, Renata ; Fontoura Solla, Davi Jorge ; Fajardo Ramin, Laís ; de Andrade Lourenção Freddi, Tomás ; Jacobsen Teixeira, Manoel ; Campos Gomes Pinto, Fernando</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c237t-7e1c95635ff0e2ad737d1b794c539d5854105d16c2268bf21a8d88cc0cbe79bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Callosal angle</topic><topic>Evans index</topic><topic>Normal pressure hydrocephalus</topic><topic>Ventriculoperitoneal shunt</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Casimiro Reis, Rodolfo</creatorcontrib><creatorcontrib>Harumi Gobbato Yamashita, Renata</creatorcontrib><creatorcontrib>Fontoura Solla, Davi Jorge</creatorcontrib><creatorcontrib>Fajardo Ramin, Laís</creatorcontrib><creatorcontrib>de Andrade Lourenção Freddi, Tomás</creatorcontrib><creatorcontrib>Jacobsen Teixeira, Manoel</creatorcontrib><creatorcontrib>Campos Gomes Pinto, Fernando</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>World neurosurgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Casimiro Reis, Rodolfo</au><au>Harumi Gobbato Yamashita, Renata</au><au>Fontoura Solla, Davi Jorge</au><au>Fajardo Ramin, Laís</au><au>de Andrade Lourenção Freddi, Tomás</au><au>Jacobsen Teixeira, Manoel</au><au>Campos Gomes Pinto, Fernando</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Changes in Callosal Angle and Evans Index After Shunt Surgery in Patients with Idiopathic Normal Pressure Hydrocephalus</atitle><jtitle>World neurosurgery</jtitle><addtitle>World Neurosurg</addtitle><date>2024-10-01</date><risdate>2024</risdate><volume>190</volume><spage>e617</spage><epage>e621</epage><pages>e617-e621</pages><issn>1878-8750</issn><issn>1878-8769</issn><eissn>1878-8769</eissn><abstract>Idiopathic normal pressure hydrocephalus (iNPH) is a disease characterized by gait disturbance, cognitive impairment, and urinary incontinence. For those patients who do not respond to shunt surgery, it lacks objective radiologic findings for the diagnosis of shunt malfunction. Here we aimed to evaluate whether the Evans index and callosal angle change during a prospective long-term follow-up of patients with iNPH submitted to shunt surgery.
Clinical (NPH Japanese Scale) and radiologic (Evans index and callosal angle) data were collected pre- and postoperatively (3, 6, 12 and months) in 19 patients with iNPH. Imaging tests were evaluated by the same neuroradiologist during the follow-up.
Patients had lower scores on the NPH Japanese Scale over time (P < 0.001). There was no significant difference among Evans index values during the follow-up (P = 0.24). Preoperative average callosal angle was 72 ± 15, which increased to 91 ± 18 in 6 months (P = 0.003).
In this sample, patients with iNPH submitted to a programmable valve shunt had an increase in callosal angle concomitant to neurologic improvement. The Evans index did not change during follow-up.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>39098500</pmid><doi>10.1016/j.wneu.2024.07.191</doi><orcidid>https://orcid.org/0000-0002-7974-6045</orcidid><orcidid>https://orcid.org/0000-0002-1408-0684</orcidid><orcidid>https://orcid.org/0000-0002-5092-6595</orcidid><orcidid>https://orcid.org/0000-0002-0324-8568</orcidid><orcidid>https://orcid.org/0000-0003-2384-2190</orcidid><orcidid>https://orcid.org/0000-0003-2802-0962</orcidid></addata></record> |
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| subjects | Callosal angle Evans index Normal pressure hydrocephalus Ventriculoperitoneal shunt |
| title | Changes in Callosal Angle and Evans Index After Shunt Surgery in Patients with Idiopathic Normal Pressure Hydrocephalus |
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