Related Experiment Video
Updated: May 12, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
Is decompressive craniectomy a risk factor for ventriculomegaly?
Satoru Takeuchi1, Kimihiro Nagatani, Kojiro Wada
1Department of Neurosurgery, National Defense Medical College, Tokorozawa, Japan. s.takeuchi@room.ocn.ne.jp
Decompressive craniectomy (DC) after traumatic brain injury (TBI) did not increase ventriculomegaly. This study suggests DC is not a risk factor for enlarged ventricles following TBI.
Area of Science:
- Neurosurgery
- Neurology
- Trauma Research
Background:
- Decompressive craniectomy (DC) is a treatment for severe traumatic brain injury (TBI).
- Delayed complications like ventriculomegaly can occur after DC and TBI, potentially worsening outcomes.
- Ventriculomegaly can also develop after TBI without DC.
Purpose of the Study:
- To determine if decompressive craniectomy (DC) influences the development of ventriculomegaly following traumatic brain injury (TBI).
Main Methods:
- Adult male Sprague-Dawley rats underwent lateral fluid percussion injury (FPI) to model TBI.
- Animals were divided into four groups: sham, DC only, TBI only (FPI), and TBI with immediate DC (FPI + D).
- Ventricular volumes were measured via image analysis on day 28 post-injury.
Main Results:
- No significant difference in ventricular size was observed between sham and DC-only groups.
- No significant difference in ventricular size was found between TBI-only (FPI) and TBI with DC (FPI + D) groups.
Conclusions:
- Decompressive craniectomy (DC) does not appear to be a risk factor for developing ventriculomegaly after traumatic brain injury (TBI).
- These findings may help inform clinical decisions regarding the use of DC in TBI management.
More Related Videos
Related Concept Videos
Cerebral Edema ll: Pathophysiology
Increased Intracranial Pressure l: Introduction
Increased Intracranial Pressure ll: Pathophysiology
Cerebral Edema l: Introduction
Aneurysm IV: Nursing Management
Cytotoxic Edema: Pathophysiology

