Related Experiment Video
Updated: May 24, 2026
08:14
Modeling Stroke in Mice: Permanent Coagulation of the Distal Middle Cerebral Artery
Published on: July 31, 2014
Cerebellar infarcts and hemorrhages.
1Stroke Unit and Division of Internal and Cardiovascular Medicine, University of Perugia, Santa Maria della Misericordia Hospital, Perugia, Italy. michele.venti@ospedale.perugia.it
Frontiers of Neurology and Neuroscience
|March 2, 2012
Summary
Cerebellar strokes, including infarction and hemorrhage, are serious neurological events. Prompt recognition of cerebellar stroke symptoms is crucial due to potential mass effect and brainstem compression, which can lead to high fatality rates.
Area of Science:
- Neurology
- Cerebrovascular Diseases
Background:
- Cerebellar infarction constitutes approximately 3.4% of all ischemic strokes.
- Cerebellar hemorrhage represents about 10% of intracranial hemorrhages and cerebellar strokes.
- Cerebellar strokes present with characteristic syndromes dependent on the affected vascular territories.
Purpose of the Study:
- To analyze the distribution of vascular territories involved in cerebellar infarcts.
- To highlight the potential complications and high fatality rates associated with cerebellar strokes.
Main Methods:
- Analysis of data from the Perugia Stroke Registry.
- Categorization of infarct locations based on vascular territories (superior cerebellar artery, anterior inferior cerebellar artery, posterior inferior cerebellar artery).
- Assessment of concurrent brainstem infarcts and complications like mass effect and brainstem compression.
Main Results:
- Superior cerebellar artery territory: 36% of infarcts.
- Anterior inferior cerebellar artery territory: 12% of infarcts.
- Posterior inferior cerebellar artery territory: 40% of infarcts.
- Multiple vascular regions involved: 12% of patients.
- Concurrent brainstem infarcts: 50% of patients.
- Cerebellar hemorrhage accounts for 10% of cerebellar strokes.
Conclusions:
- Cerebellar strokes, both ischemic and hemorrhagic, carry significant risks.
- Mass effect and brainstem compression are critical complications leading to severe deterioration and high mortality.
- Understanding the specific vascular territories affected is key to characterizing cerebellar stroke presentations.
Related Concept Videos
01:17Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
01:29Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
01:22Cerebral Edema ll: Pathophysiology
Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
01:15Ischemic Stroke l: Introduction
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
01:29Stroke: Introduction and Types
A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
01:15Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...