Related Experiment Video
Updated: Sep 5, 2025
04:38
A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
Published on: May 22, 2019
10.4K
Trends in Stroke Mortality Rate - China, 2004-2019
Junxia Cheng1, Wei Wang1, Jianwei Xu1
1National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
China CDC Weekly
|July 11, 2022
Summary
Stroke mortality in China has decreased significantly since 2004, but crude rates remain stable due to population changes. Targeted prevention strategies are crucial, especially in high-burden rural and western regions.
Area of Science:
- Public Health
- Epidemiology
- Cardiovascular Disease Research
Background:
- Stroke is a leading cause of death in China.
- Understanding stroke mortality trends is vital for public health interventions.
Purpose of the Study:
- To describe trends in stroke mortality in China between 2004 and 2019.
- To analyze geographical and urban-rural disparities in stroke mortality.
Main Methods:
- Utilized data from the National Disease Surveillance Point (DSP) system.
- Conducted descriptive analysis calculating adjusted mortality rate (AMR) and age-standardized mortality rate (ASMR).
Main Results:
- Age-standardized mortality rate (ASMR) decreased by 39.8% from 2004 to 2019.
- Adjusted mortality rate (AMR) remained relatively stable.
- Rural areas consistently showed higher stroke mortality than urban areas.
- A geographical gradient was observed, with higher rates in western China and lower rates in eastern China.
Conclusions:
- Despite declining ASMR, stagnant AMR indicates challenges from population growth and aging.
- More effective prevention and treatment strategies are urgently needed.
- Interventions should prioritize areas with high stroke burden and limited resources, particularly in western China.
Related Concept Videos
01:27Regulation of Stroke Volume
3.4K
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...
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...
3.4K
01:22Cardiac Output II: Effect of Stroke Volume on Cardiac Output
1.4K
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...
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...
1.4K