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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...
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
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.
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
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...

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Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
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Published on: April 26, 2024

The relationship between sleep disorders and stroke.

Kannan Ramar1, Salim Surani

  • 1Center for Sleep Medicine, Division of Pulmonary, Sleep and Critical Care Medicine, Mayo Clinic, Rochester, MN 55901, USA. ramar.kannan@mayo.edu

Postgraduate Medicine
|November 19, 2010
PubMed
Summary
This summary is machine-generated.

Sleep-disordered breathing, like obstructive sleep apnea (OSA), is linked to cerebrovascular disorders and stroke. Treating OSA may reduce stroke-related illness and death, but patient adherence to treatment is a challenge.

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Published on: May 22, 2019

Area of Science:

  • Neurology
  • Sleep Medicine
  • Cardiovascular Science

Background:

  • Sleep, though outwardly quiescent, involves physiological changes impacting brain health.
  • Sleep-disordered breathing (SDB), including obstructive sleep apnea (OSA), significantly disrupts nocturnal homeostasis.
  • SDB is increasingly recognized as a potential risk factor for cerebrovascular disorders, including stroke.

Purpose of the Study:

  • To explore the relationship between sleep disorders and cerebrovascular disorders.
  • To investigate the role of obstructive sleep apnea (OSA) as a risk factor for stroke.
  • To highlight the impact of stroke on sleep and the potential benefits of treating sleep disturbances.

Main Methods:

  • Review of existing evidence linking sleep disturbances and cerebrovascular events.
  • Analysis of the association between OSA and stroke incidence and outcomes.
  • Examination of the effects of treating OSA on patient morbidity and mortality.

Main Results:

  • Evidence suggests OSA is a risk factor for stroke, though pre-stroke diagnosis remains challenging.
  • OSA and central sleep apnea can also be a consequence of stroke.
  • Treatment of OSA shows potential to decrease morbidity and mortality in affected individuals.

Conclusions:

  • Sleep disorders, particularly OSA, are significant factors in cerebrovascular health.
  • Effective management of OSA post-stroke may improve patient outcomes.
  • Physicians must be vigilant in diagnosing and treating various sleep disorders following stroke to optimize patient recovery.