Related Experiment Video
Updated: Jun 5, 2026
10:15
Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
The prognosis for aphasia in stroke
Matthew B Maas1, Michael H Lev, Hakan Ay
1Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA. mmaas@partners.org
Summary
The prognosis for stroke-induced aphasia (language impairment) is good, with most patients showing significant language recovery within six months. Mild strokes indicate an excellent prognosis for aphasia resolution.
Area of Science:
- Neurology
- Stroke Medicine
- Rehabilitation
Background:
- Aphasia is a common and disabling consequence of stroke.
- Prognosis for hyperacute aphasia remains poorly understood.
- Early language recovery in ischemic stroke patients needs characterization.
Purpose of the Study:
- To evaluate the prognosis of language recovery in patients with aphasia following acute ischemic stroke.
- To assess recovery within 12 hours of stroke symptom onset.
- To identify factors influencing language function recovery.
Main Methods:
- Prospective cohort study of 669 acute stroke patients.
- Identification of 204 subjects with aphasia.
- Assessment of aphasia severity using NIH Stroke Scale (NIHSS) at baseline, discharge, and 6 months.
- Analysis of demographic, clinical, and imaging data for prognostic value.
Main Results:
- Aphasia occurred in 30% of stroke patients.
- At 6 months, 86% of aphasic patients showed improvement, and 74% experienced complete resolution.
- Mild strokes (NIHSS <5) had a 90% resolution rate by 6 months.
- Smaller stroke size and lower prestroke disability correlated with better outcomes.
Conclusions:
- Full recovery from hyperacute aphasia is achievable.
- Lesser degrees of ischemia predict greater language recovery.
- The benefit of thrombolysis for mild strokes with good aphasia prognosis is uncertain.
Related Concept Videos
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...
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.
01:17Hemorrhagic 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...
01:23Atherosclerosis IV: Nursing Management
Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
01:10Higher Mental Functions of the Brain: Language
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...