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Videos de Conceptos Relacionados

Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

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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.
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Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

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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...
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Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

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A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
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Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

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DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
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Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

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Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
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Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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Updated: May 4, 2026

Corticospinal Excitability Modulation During Action Observation
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Terapia de movimiento inducido por restricción después de un accidente cerebrovascular: un comentario

D Lamb1, J E Hill2, R Santos2

  • 1North Cumbria Integrated Care NHS Foundation Trust.

British journal of neuroscience nursing
|December 26, 2025
PubMed
Resumen

La terapia de movimiento inducido por restricción (CIMT) muestra una promesa para mejorar la función del brazo en sobrevivientes de accidentes cerebrovasculares con extensión de dedos preservada. Este comentario evalúa críticamente una revisión reciente sobre la eficiencia de la CIMT y los protocolos óptimos para la rehabilitación.

Palabras clave:
Terapia de movimiento inducido por restricciónaccidente cerebrovascularrehabilitaciónfunción del brazoprotocolos de tratamiento

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Área de la Ciencia:

  • Neurorehabilitación
  • Neurología Clínica
  • Fisioterapia

Sus antecedentes:

  • El accidente cerebrovascular afecta a más de 113.000 pacientes del Reino Unido anualmente, costando a la sociedad 26.000 millones de libras.
  • Aproximadamente el 70% de los sobrevivientes de accidentes cerebrovasculares experimentan disfunción del brazo, lo que afecta la recuperación.
  • La terapia de movimiento inducido por restricción (CIMT) se recomienda para la disfunción de la extremidad superior después de un accidente cerebrovascular, particularmente cuando la extensión de los dedos está presente.

Objetivo del estudio:

  • Evaluar críticamente la metodología de una revisión sistemática reciente de Yang et al. (2023) sobre CIMT.
  • Evaluar la eficiencia de la CIMT en pacientes con accidente cerebrovascular con extensión de dedos preservada.
  • Discutir el protocolo óptimo de CIMT para la práctica clínica basado en la evidencia existente.

Principales métodos:

  • Evaluación crítica de una revisión sistemática centrada en la CIMT para sobrevivientes de accidentes cerebrovasculares.
  • Análisis de los diferentes protocolos de administración de CIMT y grupos de muestras de pacientes (agudos, subagudos, crónicos).
  • Expansión de los hallazgos en el contexto de la práctica clínica actual.

Principales resultados:

  • La terapia de movimiento inducido por restricción (CIMT) ha demostrado potencial en la rehabilitación de la disfunción del brazo en sobrevivientes de accidentes cerebrovasculares.
  • La eficiencia y el protocolo óptimo para la administración de CIMT requieren una mayor investigación en diversos grupos de pacientes.
  • Las revisiones sistemáticas existentes sobre CIMT varían en alcance y metodología.

Conclusiones:

  • La CIMT es una intervención reconocida para el deterioro del brazo post-accidente cerebrovascular, especialmente con extensión de dedos preservada.
  • La evaluación crítica de las revisiones sistemáticas es esencial para refinar las guías clínicas.
  • Se necesita más investigación para establecer protocolos definitivos y óptimos de CIMT para la rehabilitación de accidentes cerebrovasculares.