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Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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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...
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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Cardiac Output II: Effect of Stroke Volume on Cardiac Output01:22

Cardiac Output II: Effect of Stroke Volume on Cardiac Output

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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Cardiac Output and Stroke Volume01:11

Cardiac Output and Stroke Volume

3.1K
Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
In an average resting adult male, the typical cardiac...
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Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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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...
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Updated: Aug 3, 2025

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI
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Current status and future aspects in the Japan Stroke Data Bank.

Shinichi Wada1, Sohei Yoshimura2, Kaori Miwa2

  • 1Department of Information and Health, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.

Frontiers in Neurology
|April 10, 2023
PubMed
Summary

The Japan Stroke Data Bank (JSDB) was established to track stroke treatment in Japan. This national registry collects detailed patient data to improve care and inform public health initiatives for cerebrovascular diseases.

Keywords:
Japan Stroke Data Bankacute ischemic strokecardiovascular diseasecerebrovascular diseaseintracerebral hemorrhagestroke registrysubarachnoid hemorrhage

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Computerized Adaptive Testing System of Functional Assessment of Stroke
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Area of Science:

  • Neurology
  • Public Health
  • Medical Informatics

Background:

  • The Japanese National Plan for the Promotion of Measures Against Cerebrovascular and Cardiovascular Diseases emphasizes research.
  • Accurate data on stroke treatment is crucial for national health strategies.
  • Existing stroke registries in Asia, including Japan, are limited compared to Europe and North America.

Purpose of the Study:

  • To establish and maintain a high-quality national stroke registry in Japan.
  • To clarify the current status of stroke treatment across the nation.
  • To support research and improve patient outcomes for cerebrovascular diseases.

Main Methods:

  • Established the Japan Stroke Data Bank (JSDB) in 1999, collecting data from over 100 stroke centers.
  • Registered over 200,000 stroke cases using individual questionnaires over two decades.
  • Aimed to link registry data with external databases like insurance claims and death registries.
  • Focused on improving treatment quality through benchmarking and securing stable funding.

Main Results:

  • The JSDB has accumulated extensive data on stroke cases over ~20 years.
  • The registry serves as a vital resource for understanding real-world stroke treatment trends in Japan.
  • The JSDB's role is critical in supporting national plans for cardiovascular and cerebrovascular disease management.

Conclusions:

  • The Japan Stroke Data Bank is essential for advancing research and improving stroke care in Japan.
  • High-quality data collection and analysis are key to effective public health strategies for cerebrovascular diseases.
  • The JSDB's continued operation and development are vital for future healthcare improvements.