Related Experiment Video

Updated: Aug 15, 2026

Transient Middle Cerebral Artery Occlusion Model of Stroke
05:32

Transient Middle Cerebral Artery Occlusion Model of Stroke

Published on: August 11, 2023

Stroke in Latin America

Erica C S Camargo1, Luiz A Bacheschi, Ayrton R Massaro

  • 1Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114-2622, USA. ecamargo@partners.org

Neuroimaging Clinics of North America
|October 4, 2005
PubMed

Insights

Stroke is a major cause of death in Latin America, influenced by socioeconomic factors and modifiable risks like hypertension, alcohol, and smoking. Unique regional diseases also contribute to stroke incidence and types, differing from North America and Europe.

Area of Science:

  • Neurology
  • Public Health
  • Epidemiology

Background:

  • Stroke represents a significant cause of mortality across Latin America.
  • Regional socioeconomic disparities influence stroke incidence and prevalence.
  • Uncontrolled hypertension is a primary stroke driver in Latin America.

Purpose of the Study:

  • To outline the epidemiology of stroke in Latin America.
  • To identify key risk factors, both common and region-specific.
  • To compare stroke patterns with other global regions.

Main Methods:

  • Review of existing epidemiological data on stroke in Latin America.
  • Analysis of contributing risk factors, including hypertension, alcohol, and smoking.
  • Comparison of stroke subtypes and etiological factors with North America and Europe.

Main Results:

  • Intracerebral hemorrhage and lacunar stroke are more prevalent in Latin America.
  • Modifiable risk factors like hypertension, heavy alcohol consumption, and smoking are significant contributors.
  • Endemic diseases such as neurocysticercosis, Chagas' disease, sickle cell anemia, malaria, hemorrhagic fever, and snake bites are identified as unique stroke causes.

Conclusions:

  • Stroke burden in Latin America is substantial, driven by common and unique regional factors.
  • Addressing hypertension and other modifiable risks is crucial for stroke prevention.
  • Understanding and managing endemic diseases is vital for reducing stroke in the region.

More Related Videos

Surgical Approach for Middle Cerebral Artery Occlusion and Reperfusion Induced Stroke in Mice10:30

Surgical Approach for Middle Cerebral Artery Occlusion and Reperfusion Induced Stroke in Mice

Published on: October 20, 2016

Related Concept Videos

Stroke: Introduction and Types01:29

Stroke: 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...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic 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...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic 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...
Ischemic Stroke l: Introduction01:15

Ischemic 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.
American Trypanosomiasis01:22

American Trypanosomiasis

Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic 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...