(L.A.) Julia Perez, 43, Died in a Hospital

Case Number: 2008-05922

Los Angeles County is reporting the death of a 43-year-old Hispanic female that occurred in a hospital.

The coroner’s office has identified the woman as Julia Perez.

Manner of Death: Natural

Cause of Death A: Pontine Infarction

Cause of Death B: Subintimal Dissection of Basilar Artery

Other Significant Conditions: History of Epilepsy; Old Neurocysticercosis

RIP JULIA PEREZ (December 17, 1964 – August 22, 2008)

Formal pronouncement of death was made on Friday at 4:45 p.m.

Pontine infarction refers to a type of ischemic stroke that occurs specifically in the pons, which is a critical structure in the brainstem. This area is responsible for regulating many essential bodily functions, including motor control, breathing, and balance. When blood flow to the pons is interrupted—often due to a blockage caused by a blood clot—it results in a pontine infarction. This condition can lead to various neurological deficits, including weakness on one side of the body (hemiparesis), difficulty with coordination, and in severe cases, locked-in syndrome, where a person is unable to move or speak but remains aware.

Subintimal dissection of the basilar artery is a rare but serious condition characterized by a tear in the arterial wall, which leads to the formation of a false lumen. The term “lumen” refers to the interior space of a tubular structure, such as an artery, through which blood flows.

In the context of arterial dissection, the false lumen is created when blood enters the arterial wall through the tear, forming a separate channel that can compromise blood flow in the true lumen—the original space through which blood normally circulates. This condition can result in significant clinical consequences, including ischemic strokes and subarachnoid hemorrhage, due to disrupted blood supply and potential rupture of the vessel wall.

Subintimal dissection of the basilar artery can directly lead to pontine infarction. The basilar artery supplies blood to the pons; thus, any disruption in its flow—such as that caused by a dissection—can result in ischemia in this critical area. In cases where there is a tear in the arterial wall, blood can enter the vessel wall and create a false lumen, compromising blood flow to the true lumen. This situation can precipitate a pontine infarction by reducing or blocking the necessary blood supply to the pons.

Neurocysticercosis is a parasitic infection caused by the larval stage of Taenia solium, the pork tapeworm. It occurs when humans ingest the eggs of the parasite, leading to the formation of cysts in various tissues, particularly in the brain. The inflammation caused by degenerating cysts may compromise blood flow in critical areas of the brain, such as the pons. Pontine infarction occurs when blood supply to this area is disrupted, potentially due to increased intracranial pressure or vascular compromise stemming from cystic lesions. As cysts degenerate, they can cause significant inflammatory responses that may lead to ischemic events like pontine infarction.