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Increased Intracranial Pressure l: Introduction

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...

Increased Intracranial Pressure ll: Pathophysiology

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...

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Updated: Jun 25, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Decompressive craniectomy: a new complication.

¹Department of Neurosurgery, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands, Western Australia 6009, Australia. stephen.honeybul@health.wa.gov.au

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia

|March 6, 2009

Summary

This summary is machine-generated.

Decompressive craniectomy is a vital treatment for raised intracranial pressure, but patients require specific post-operative care. A reported complication highlights the need for institutional policies to manage these high-risk patients.

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Area of Science:

Neurosurgery
Trauma Surgery

Background:

Decompressive craniectomy is increasingly utilized for managing intracranial hypertension.
While effective, the procedure carries potential complications.

Observation:

A patient with a decompressive craniectomy sustained a secondary injury to the unprotected surgical site after a fall.
This resulted in further cerebral damage and a fatal outcome.

Findings:

This case presents a previously unreported complication of decompressive craniectomy.
The unprotected surgical site is vulnerable to secondary trauma.

Implications:

Institutions must implement specific management policies for post-decompressive craniectomy patients.
These patients should be considered high-risk, necessitating careful monitoring and protection of the surgical site.