Understanding the pathophysiology of tension pneumoventricle: A technical case report

Introduction: Pneumocephalus is the presence of air in the intracranial space. When the air is mostly present in the ventricular system, it is also referred to as pneumoventricle. In some instances, air continues to accumulate over time, exerting mass effect over surrounding neurological structures...

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Main Authors: Jorge A. Roa, Rui Feng, Alexander J. Schupper, Trevor Hardigan, Kurt Yaeger, Travis Ladner, Kaitlin Reilly, Tomoyoshi Shigematsu
Format: Article
Language:English
Published: Elsevier 2022-06-01
Series:Interdisciplinary Neurosurgery
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214751922000251
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author Jorge A. Roa
Rui Feng
Alexander J. Schupper
Trevor Hardigan
Kurt Yaeger
Travis Ladner
Kaitlin Reilly
Tomoyoshi Shigematsu
author_facet Jorge A. Roa
Rui Feng
Alexander J. Schupper
Trevor Hardigan
Kurt Yaeger
Travis Ladner
Kaitlin Reilly
Tomoyoshi Shigematsu
author_sort Jorge A. Roa
collection DOAJ
description Introduction: Pneumocephalus is the presence of air in the intracranial space. When the air is mostly present in the ventricular system, it is also referred to as pneumoventricle. In some instances, air continues to accumulate over time, exerting mass effect over surrounding neurological structures and increasing intraventricular and intracranial pressures (tension pneumoventricle). If left untreated, this may lead to rapid deterioration of the level of consciousness, coma, herniation and death. Case presentation: We report the case of a patient with subarachnoid hemorrhage who developed tension pneumoventricle secondary to an iatrogenic cutaneous-ventricular fistula after placement of an external ventricular drain. A surgical technique to manage this condition by replacing air with saline in a non-traumatic manner is presented in detail. We also describe all the nuances and potential pitfalls of this technique. Conclusion: Tension pneumoventricle is a rare but concerning complication of intracranial procedures. When clinically indicated, expedited treatment by EVD placement allows intracranial decompression and slow replacement of the ventricular space with water.
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spelling doaj.art-d22d5312690e43678e4c6b3ef6f595f82022-12-21T18:52:54ZengElsevierInterdisciplinary Neurosurgery2214-75192022-06-0128101511Understanding the pathophysiology of tension pneumoventricle: A technical case reportJorge A. Roa0Rui Feng1Alexander J. Schupper2Trevor Hardigan3Kurt Yaeger4Travis Ladner5Kaitlin Reilly6Tomoyoshi Shigematsu7Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, United StatesDepartment of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Corresponding author at: 1450 Madison Avenue, Box 1136, KCC 1-North, New York, NY 10029, United States.Introduction: Pneumocephalus is the presence of air in the intracranial space. When the air is mostly present in the ventricular system, it is also referred to as pneumoventricle. In some instances, air continues to accumulate over time, exerting mass effect over surrounding neurological structures and increasing intraventricular and intracranial pressures (tension pneumoventricle). If left untreated, this may lead to rapid deterioration of the level of consciousness, coma, herniation and death. Case presentation: We report the case of a patient with subarachnoid hemorrhage who developed tension pneumoventricle secondary to an iatrogenic cutaneous-ventricular fistula after placement of an external ventricular drain. A surgical technique to manage this condition by replacing air with saline in a non-traumatic manner is presented in detail. We also describe all the nuances and potential pitfalls of this technique. Conclusion: Tension pneumoventricle is a rare but concerning complication of intracranial procedures. When clinically indicated, expedited treatment by EVD placement allows intracranial decompression and slow replacement of the ventricular space with water.http://www.sciencedirect.com/science/article/pii/S2214751922000251Tension pneumoventricleCutaneous-ventricular fistulaIntracranial hypertensionExternal ventricular drainComplication
spellingShingle Jorge A. Roa
Rui Feng
Alexander J. Schupper
Trevor Hardigan
Kurt Yaeger
Travis Ladner
Kaitlin Reilly
Tomoyoshi Shigematsu
Understanding the pathophysiology of tension pneumoventricle: A technical case report
Interdisciplinary Neurosurgery
Tension pneumoventricle
Cutaneous-ventricular fistula
Intracranial hypertension
External ventricular drain
Complication
title Understanding the pathophysiology of tension pneumoventricle: A technical case report
title_full Understanding the pathophysiology of tension pneumoventricle: A technical case report
title_fullStr Understanding the pathophysiology of tension pneumoventricle: A technical case report
title_full_unstemmed Understanding the pathophysiology of tension pneumoventricle: A technical case report
title_short Understanding the pathophysiology of tension pneumoventricle: A technical case report
title_sort understanding the pathophysiology of tension pneumoventricle a technical case report
topic Tension pneumoventricle
Cutaneous-ventricular fistula
Intracranial hypertension
External ventricular drain
Complication
url http://www.sciencedirect.com/science/article/pii/S2214751922000251
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