Final answer:
Intracerebral hemorrhage increases intracranial pressure by accumulating blood within the brain that physically compresses tissue and disrupts normal blood flow. This hemorrhage can also cause edema by breaking down the blood-brain barrier, further increasing pressure. These effects can be severe, necessitating medical intervention.
Step-by-step explanation:
Intracerebral hemorrhage leads to increased intracranial pressure through a process where blood from a ruptured vessel accumulates within the brain tissue. This accumulation of blood creates physical pressure on brain structures and may compress local arteries, disrupting normal blood flow and leading to further areas of ischemia. In addition to the physical mass effect of the pooled blood, damage to the vasculature can result in a breakdown of the blood-brain barrier, allowing more fluid to enter the surrounding brain tissue and cause edema. These effects combined can displace brain structures, as evidenced by distortions like lateral ventricles being pushed into the opposite hemisphere, and can lead to severe complications, including the death of brain cells. Procedures such as surgery may be necessary to alleviate this pressure and prevent further brain damage.