Idiopathic chronic hydrocephalus in adults

Gelabert-González, Miguel; Pita-Buezas, Lara; Arán-Echabe, Eduardo

doi:10.1016/j.nrleng.2016.02.024

Cited by 1 publication

(2 citation statements)

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“…This complication occurs after VPS in animals and humans alike. 1,[29][30][31] Prevalence of overshunting related complications such as hemispheric collapse and subdural hematoma was 18% (Cl 95% 9.9-26.66) among the animals treated with VPS in this study. This is similar to other reported complication rates in veterinary and human medicine.…”

Section: Discussionmentioning

confidence: 59%

“…The mixture of blood and CSF then results in a hemorrhagic subdural fluid that causes compression of the hemispheres and hemispheric collapse. This complication occurs after VPS in animals and humans alike 1,29‐31 . Prevalence of overshunting related complications such as hemispheric collapse and subdural hematoma was 18% (Cl 95% 9.9‐26.66) among the animals treated with VPS in this study.…”

Section: Discussionmentioning

confidence: 62%

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Risk factors, treatment, and outcome in dogs and cats with subdural hematoma and hemispheric collapse after ventriculoperitoneal shunting of congenital internal hydrocephalus

Farke,

Siwicka,

Olszewska

et al. 2023

Veterinary Internal Medicne

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BackgroundOvershunting and hemispheric collapse are well‐known complications after ventriculoperitoneal shunt (VPS) implantation. Risk factors that predispose to overshunting, treatment options, and prognosis after therapeutic intervention have not been described.Hypothesis/ObjectivesTo identify preoperative risk factors for overshunting, the effect of surgical decompression, and their outcomes.AnimalsSeventy‐five dogs and 7 cats.MethodsRetrospective case cohort study. Age, breed, sex, body weight, number of dilated ventricles, ventricle brain ratio, intraventricular pressure, and implanted pressure valve systems were evaluated as possible risk factors.ResultsOvershunting had a prevalence of 18% (Cl 95% 9.9‐26.66). An increase of 0.05 in VBR increased the risk of overshunting by OR 2.23 (Cl 95% 1.4‐3.5; P = .001). Biventricular hydrocephalus had the highest risk for overshunting compared to a tri‐ (OR 2.48 with Cl 95% 0.5‐11.1) or tetraventricular hydrocephalus (OR 11.6 with Cl 95% 1.7‐81.1; P = .05). There was no influence regarding the use of gravitational vs differential pressure valves (P > .78). Overshunting resulted in hemispheric collapse, subdural hemorrhage, and peracute deterioration of neurological status in 15 animals. Subdural hematoma was removed in 8 dogs and 2 cats with prompt postoperative improvement of clinical signs.Conclusions and Clinical ImportanceBiventricular hydrocephalus and increased VBR indicate a higher risk for overshunting. The use of differential valves with gravitational units has no influence on occurrence of overshunting related complications and outcomes. Decompressive surgery provides a favorable treatment option for hemispheric collapse and has a good outcome.

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Section: Discussionmentioning

confidence: 59%

Section: Discussionmentioning

confidence: 62%