Reexpansion of previously collapsed ventricles: the slit ventricle syndrome

Hyde-Rowan,; Hl, Rekate; Fe, Nulsen

doi:10.3171/jns.1982.56.4.0536

Cited by 120 publications

(43 citation statements)

References 5 publications

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“…The condition may involve different underlying causes and various intracranial pressure (ICP) abnormalities [3, 4]. Depending on the underlying cause, numerous treatment strategies have been advocated, including conservative treatment, shunt revision, shunt removal, third ventriculostomy, antimigrainous therapy, high resistant or antisiphon valves and subtemporal craniectomy (STC) [1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13]. …”

Section: Introductionmentioning

confidence: 99%

Changes in Intracranial Pressure after Calvarial Expansion Surgery in Children with Slit Ventricle Syndrome

et al. 2001

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The effect of calvarial expansion on symptom relief and intracranial pressure (ICP) in three children with slit ventricle syndrome (SVS) and intracranial hypertension despite a functioning ventricular shunt is reported. These children presented with a clinical picture of SVS, accompanied by slit-like ventricles on cranial computer tomography scan and intracranial hypertension. Calvarial expansion was performed by mans of an anterior approach in one case and a posterior approach (modified tiara plastic) in the other two cases. After calvarial expansion, symptoms of intracranial hypertension were abolished in one case and markedly reduced in two cases (observation period 25–36 months). Comparison of ICP before and after surgery was performed by means of new software (Sensometrics™ Pressure Analyser, version 1.2) that revealed a significant reduction in the number of abnormal ICP elevations after surgery. The results were not accompanied by changes in the size of the cerebral ventricles. This study demonstrates that in children with SVS and intracranial hypertension despite a functioning shunt, calvarial expansion may reduce ICP and produce long-lasting symptom relief. In these cases, we suggest that intracranial hypertension was caused by compromised intracranial volume.

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Section: Introductionmentioning

confidence: 99%

Changes in Intracranial Pressure after Calvarial Expansion Surgery in Children with Slit Ventricle Syndrome

et al. 2001

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“…CSF drainage and absorption abnormality, as seen in the present patient who improved clinically after undergoing a VP shunt, but who experienced recurrence of disease only after 4 months. After SVS had been described as a condition in which increased intracranial pressure symptoms appear similar to shunt valve malfunction but without radiological evidence of ventricular dilatation [1] , it was demonstrated in a large study by Walker et al [3] of 370 patients who underwent a shunting procedure that 60-80% showed radiologically slit ventricles, but only 11.5% were accompanied by increased intracranial pressure and only 6.5% of cases required surgical intervention. Rekate [2] classified SVS according to etiologic factors into migraine, proximal malfunction, shunt overdrainage, shunt failure with small ventricles, and intracranial hypertension with working shunts.…”

Section: Discussionmentioning

confidence: 99%

“…For therapeutic purposes in this patient, we attempted a simple valve upgrade by selecting a programmable valve which would gradually increase the valve pressure that would prevent severe intracranial pressure variations. In particular, we attempted to reduce as much as possible valve pressure variations by the use of a Strata valve with an anti-siphon device [1,5] .…”

Section: Discussionmentioning

confidence: 99%

Valve Pressure Upgrade May Produce Progressive Deterioration of Vision in Children with Slit Ventricle Syndrome

Park

Yoon²,

Cho³

et al. 2007

Pediatr Neurosurg

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underwent a lumboperitoneal shunt with low-pressure valve, which resulted in the disappearance of intermittent headaches and a deterioration of visual acuity. We suggest that valve pressure upgrade in children with slit ventricle syndrome after ventriculoperitoneal shunt for pseudotumor cerebri may produce acute deterioration of vision that had already been compromised, even within the normal intracranial pressure range and with improvement of associated symptoms.

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“…The management of hydranencephaly is still controversial. Some authors are abstinent; others choose surgery by defending fair arguments [29][30][31][32][33][34][35]. In our department, we prefer surgery.…”

Section: Discussionmentioning

confidence: 99%

A Technique for Treatment of Overdrainage in Ventriculoperitoneal Shunt

Kpelao

Békéti

Moumouni

et al. 2017

IrJNS

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Background and Importance:Overdrainage is a complication of ventriculoperitoneal shunt but adjustable valves and anti-siphon devices can prevent it. These very expensive valves are most often inaccessible, so that the majority of the valves available in Togo are fixed differential pressure valves. Although overdrainage is a widely-known issue, we aimed to introduce a new risk factor and the way we manage this complication.Case Presentation: This case series study included all patients who had overdrainage or a high potential risk of overdrainage (hydranencephaly). Our technique consisted of partial ligation of the peritoneal catheter at the level of the thorax by non-resorbable wire while controlling the drainage rate at the slots. The goal was to transform this fixed differential pressure valve into a pressure-controlled and flow-regulated one. Patients were followed for 1, 3 and 6 months, postoperatively. Conclusion:Hydranencephaly predisposes patients to overdrainage. The partial ligature of the catheter is an effective technique for treating or preventing overdrainage.

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Reexpansion of previously collapsed ventricles: the slit ventricle syndrome

Cited by 120 publications

References 5 publications

Changes in Intracranial Pressure after Calvarial Expansion Surgery in Children with Slit Ventricle Syndrome

Changes in Intracranial Pressure after Calvarial Expansion Surgery in Children with Slit Ventricle Syndrome

Valve Pressure Upgrade May Produce Progressive Deterioration of Vision in Children with Slit Ventricle Syndrome

A Technique for Treatment of Overdrainage in Ventriculoperitoneal Shunt

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