Letter to the Editor. EVD clamp trials and ventriculoperitoneal shunt insertions in patients with nontraumatic SAH

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TO THE EDITOR: We are thankful to Ascanio et al.1 for their work on nontraumatic subarachnoid hemorrhage (SAH) (Ascanio LC, Gupta R, Adeeb N, et al: Relationship between external ventricular drain clamp trials and ventriculoperitoneal shunt insertion following nontraumatic subarachnoid hemorrhage: a single-center study. J Neurosurg [epub ahead of print March 16, 2018. DOI: 10.3171/2017.10.JNS171644]). They conducted a retrospective review of all consecutive patients with nontraumatic SAH complicated by acute hydrocephalus who were admitted over a period of 10 years to a single major academic institution in the United States. After considering the exclusion

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Correspondence Amol Raheja: dramolraheja@gmail.com.

INCLUDE WHEN CITING Published online July 13, 2018; DOI: 10.3171/2018.4.JNS181039.

Disclosures The authors report no conflict of interest.

© AANS, except where prohibited by US copyright law.

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References

1

Ascanio LCGupta RAdeeb NMoore JMGriessenauer CJMayeku J: Relationship between external ventricular drain clamp trials and ventriculoperitoneal shunt insertion following nontraumatic subarachnoid hemorrhage: a single-center study. J Neurosurg [epub ahead of print March 16 2018; DOI: 10.3171/2017.10.JNS171644]

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de Oliveira JGBeck JSetzer MGerlach RVatter HSeifert V: Risk of shunt-dependent hydrocephalus after occlusion of ruptured intracranial aneurysms by surgical clipping or endovascular coiling: a single-institution series and meta-analysis. Neurosurgery 61:9249342007

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Nam KHHamm ISKang DHPark JKim YS: Risk of shunt dependent hydrocephalus after treatment of ruptured intracranial aneurysms: surgical clipping versus endovascular coiling according to fisher grading system. J Korean Neurosurg Soc 48:3133182010

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Schmieder KKoch RLücke SHarders A: Factors influencing shunt dependency after aneurysmal subarachnoid haemorrhage. Zentralbl Neurochir 60:1331401999

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Tao CFan CHu XMa JMa LLi H: The effect of fenestration of the lamina terminalis on the incidence of shunt-dependent hydrocephalus after aneurysmal subarachnoid hemorrhage (FISH). Medicine (Baltimore) 95:e57272016

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Varelas PHelms ASinson GSpanaki MHacein-Bey L: Clipping or coiling of ruptured cerebral aneurysms and shunt-dependent hydrocephalus. Neurocrit Care 4:2232282006

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Winkler EABurkhardt JKRutledge WCRick JWPartow CPYue JK: Reduction of shunt dependency rates following aneurysmal subarachnoid hemorrhage by tandem fenestration of the lamina terminalis and membrane of Liliequist during microsurgical aneurysm repair. J Neurosurg [epub ahead of print December 15 2017; DOI: 10.3171/2017.5.JNS163271]

1

Gupta RAscanio LCEnriquez-Marulanda AGriessenauer CJChinnadurai AJhun R: In reply to the Letter to the Editor “Validation of predictive scoring system for ventriculoperitoneal shunt insertion after aneurysmal subarachnoid hemorrhage: statistical and methodologic issues.” World Neurosurg 109:5112018 (Letter)

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Gupta RAscanio LCEnriquez-Marulanda AGriessenauer CJChinnadurai AJhun R: Validation of a predictive scoring system for ventriculoperitoneal shunt insertion after aneurysmal subarachnoid hemorrhage. World Neurosurg 109:e210e2162018

3

Komotar RJOlivi ARigamonti DTamargo RJ: Microsurgical fenestration of the lamina terminalis reduces the incidence of shunt-dependent hydrocephalus after aneurysmal subarachnoid hemorrhage. Neurosurgery 51:140314132002

4

Motiei-Langroudi RAdeeb NForeman PMHarrigan MRFisher WS IIIVyas NA: Corrigendum to ‘Predictors of shunt insertion in aneurysmal subarachnoid hemorrhage’ [World Neurosurgery 98 (2017) 421-426]. World Neurosurg 104:1043 2017

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Motiei-Langroudi RAdeeb NForeman PMHarrigan MRFisher WS IIIVyas NA: Predictors of shunt insertion in aneurysmal subarachnoid hemorrhage. World Neurosurg 98:4214262017

6

Nam KHHamm ISKang DHPark JKim YS: Risk of shunt dependent hydrocephalus after treatment of ruptured intracranial aneurysms: surgical clipping versus endovascular coiling according to Fisher Grading System. J Korean Neurosurg Soc 48:3133182010

7

Varelas PHelms ASinson GSpanaki MHacein-Bey L: Clipping or coiling of ruptured cerebral aneurysms and shunt-dependent hydrocephalus. Neurocrit Care 4:2232282006

8

Winkler EABurkhardt JKRutledge WCRick JWPartow CPYue JK: Reduction of shunt dependency rates following aneurysmal subarachnoid hemorrhage by tandem fenestration of the lamina terminalis and membrane of Liliequist during microsurgical aneurysm repair. J Neurosurg [epub ahead of print December 15 2017; DOI: 10.3171/2017.5.JNS163271]

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