Raphael Bertani, Stefan Koester, Caio Perret, Paulo Santa Maria, Sérgio Brasil, Gustavo Frigieri, Sávio Batista, Nicolas Nunes Rabello, Ruy Monteiro
{"title":"利用无创颅内压波形分析脑积水患者颅内顺应性。一项初步研究。","authors":"Raphael Bertani, Stefan Koester, Caio Perret, Paulo Santa Maria, Sérgio Brasil, Gustavo Frigieri, Sávio Batista, Nicolas Nunes Rabello, Ruy Monteiro","doi":"10.5137/1019-5149.JTN.45668-23.2","DOIUrl":null,"url":null,"abstract":"<p><strong>Aim: </strong>To assess the changes of intracranial pressure waveforms (ICPW) acquired noninvasively in a set of acute hydrocephalus patients prior to and posterior to interventions.</p><p><strong>Material and methods: </strong>Patients with clinical and radiological diagnosis of hydrocephalus were evaluated for alterations in ICPW by means of a system that detects cranial micro expansions just before and immediately after interventions. The system quantified the difference between ICPW peaks (P1 and P2), providing the P2/P1 ratio.</p><p><strong>Results: </strong>Fourteen patients aged from 26 to 73 years old met the inclusion criteria. Hydrocephalus etiologies were normal pressure hydrocephalus, post-traumatic and all patients had an abnormal intracranial compliance waveform, with P2 > P1 before the procedure (5 external ventricular drains (EVD) and 9 ventriculoperitoneal shunts (VPS). Immediately after, 75% of the patients changed to a standard pattern with P1 > P2.</p><p><strong>Conclusion: </strong>In this exploratory study using a novel noninvasive technique, rapid cerebrospinal fluid drainage by means of EVD and VPS was effectively assessed and had a positive impact on intracranial compliance.</p>","PeriodicalId":94381,"journal":{"name":"Turkish neurosurgery","volume":" ","pages":"157-163"},"PeriodicalIF":0.0000,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Analysis of Intracranial Compliance Through Noninvasive Intracranial Pressure Waveforms in Hydrocephalus Patients. A Pilot Study.\",\"authors\":\"Raphael Bertani, Stefan Koester, Caio Perret, Paulo Santa Maria, Sérgio Brasil, Gustavo Frigieri, Sávio Batista, Nicolas Nunes Rabello, Ruy Monteiro\",\"doi\":\"10.5137/1019-5149.JTN.45668-23.2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Aim: </strong>To assess the changes of intracranial pressure waveforms (ICPW) acquired noninvasively in a set of acute hydrocephalus patients prior to and posterior to interventions.</p><p><strong>Material and methods: </strong>Patients with clinical and radiological diagnosis of hydrocephalus were evaluated for alterations in ICPW by means of a system that detects cranial micro expansions just before and immediately after interventions. The system quantified the difference between ICPW peaks (P1 and P2), providing the P2/P1 ratio.</p><p><strong>Results: </strong>Fourteen patients aged from 26 to 73 years old met the inclusion criteria. Hydrocephalus etiologies were normal pressure hydrocephalus, post-traumatic and all patients had an abnormal intracranial compliance waveform, with P2 > P1 before the procedure (5 external ventricular drains (EVD) and 9 ventriculoperitoneal shunts (VPS). Immediately after, 75% of the patients changed to a standard pattern with P1 > P2.</p><p><strong>Conclusion: </strong>In this exploratory study using a novel noninvasive technique, rapid cerebrospinal fluid drainage by means of EVD and VPS was effectively assessed and had a positive impact on intracranial compliance.</p>\",\"PeriodicalId\":94381,\"journal\":{\"name\":\"Turkish neurosurgery\",\"volume\":\" \",\"pages\":\"157-163\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Turkish neurosurgery\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5137/1019-5149.JTN.45668-23.2\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Turkish neurosurgery","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5137/1019-5149.JTN.45668-23.2","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of Intracranial Compliance Through Noninvasive Intracranial Pressure Waveforms in Hydrocephalus Patients. A Pilot Study.
Aim: To assess the changes of intracranial pressure waveforms (ICPW) acquired noninvasively in a set of acute hydrocephalus patients prior to and posterior to interventions.
Material and methods: Patients with clinical and radiological diagnosis of hydrocephalus were evaluated for alterations in ICPW by means of a system that detects cranial micro expansions just before and immediately after interventions. The system quantified the difference between ICPW peaks (P1 and P2), providing the P2/P1 ratio.
Results: Fourteen patients aged from 26 to 73 years old met the inclusion criteria. Hydrocephalus etiologies were normal pressure hydrocephalus, post-traumatic and all patients had an abnormal intracranial compliance waveform, with P2 > P1 before the procedure (5 external ventricular drains (EVD) and 9 ventriculoperitoneal shunts (VPS). Immediately after, 75% of the patients changed to a standard pattern with P1 > P2.
Conclusion: In this exploratory study using a novel noninvasive technique, rapid cerebrospinal fluid drainage by means of EVD and VPS was effectively assessed and had a positive impact on intracranial compliance.
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