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Related Concept Videos

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.
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...
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Regulation of Stroke Volume01:27

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
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...
Atherosclerosis IV: Nursing Management01:23

Atherosclerosis 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...

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Related Experiment Videos

Comprehensive Prestroke Risk Factor Control and Functional Outcomes After Acute Ischemic Stroke.

Joon-Tae Kim1, Ji Sung Lee2, Hyunsoo Kim1

  • 1Department of Neurology Chonnam National University Hospital, Chonnam National University Medical School Gwangju Korea.

Journal of the American Heart Association
|June 15, 2026
PubMed
Summary
This summary is machine-generated.

Effective management of prestroke risk factors (RFs) is linked to better functional recovery after ischemic stroke. Comprehensive control of hypertension, diabetes, dyslipidemia, and atrial fibrillation improves 3-month outcomes, regardless of RF count.

Keywords:
acute ischemic strokecomprehensive risk factor controlfunctional outcomerisk factorrisk factor burden

Related Experiment Videos

Area of Science:

  • Neurology
  • Cardiology
  • Public Health

Background:

  • The association between comprehensive prestroke risk factor (RF) management and 3-month functional outcomes after ischemic stroke is not well-established.
  • Major RFs for ischemic stroke include hypertension, diabetes, dyslipidemia, and atrial fibrillation.

Purpose of the Study:

  • To investigate if comprehensive prestroke RF management is associated with improved 3-month functional outcomes after ischemic stroke.
  • To evaluate the impact of RF control levels (well, partially, poorly controlled) on functional independence post-stroke.

Main Methods:

  • Analysis of ischemic stroke patients from the CRCS-K-NIH registry (2011-2022).
  • Categorization of prestroke RF management as well controlled, partially controlled, or poorly controlled based on treatment and biomarker criteria.
  • Primary outcome: 3-month modified Rankin Scale score of 0-2 (functional independence).

Main Results:

  • Among 63,570 patients with at least one RF, 35.8% were well controlled, 35.6% partially controlled, and 28.6% poorly controlled.
  • Good 3-month outcomes were observed in 66.0% (1 RF), 60.8% (2 RFs), and 55.0% (≥3 RFs).
  • Both well-controlled (aOR 1.22) and partially controlled (aOR 1.14) groups showed significantly higher odds of good 3-month outcomes compared to the poorly controlled group, irrespective of RF burden.

Conclusions:

  • Comprehensive prestroke RF management, defined by specific criteria, is independently associated with better 3-month functional outcomes.
  • Effective prestroke management of RFs may enhance poststroke functional recovery, irrespective of the number of RFs present.