相关实验视频
Updated: Jul 26, 2025

09:54
A Model to Simulate Clinically Relevant Hypoxia in Humans
Published on: December 22, 2016
8.9K
喘息预测成年人死亡率:一个系统审查和元分析
Dheeraj K Sethi1,2, James Rhodes1, Rebecca Ferris2
1Norwich Medical School, University of East Anglia, Norwich, GBR.
Cureus
|June 19, 2023
概括
喘息或呼吸短促与健康成年人的死亡风险增加有关. 这一系统性审查发现,呼吸困难显著增加死亡风险,严重程度与较高的死亡率相关.
科学领域:
- 肺部医学 肺部医学
- 流行病学 流行病学
- 临床预后 临床预后
背景情况:
- 呼吸困难是一种常见的症状,已知与各种疾病的死亡率有关.
- 在健康成年人中,呼吸困难和死亡率之间的关联仍然不太清楚.
- 了解这种关系对于评估喘息的预后影响至关重要.
研究的目的:
- 在一般成年人群中系统地审查和元分析呼吸困难和死亡率之间的关联.
- 确定呼吸困难的存在和严重程度是否预测健康成年人的死亡率.
- 量化与喘息相关的死亡风险增加.
主要方法:
- 纵向研究的系统审查和元分析.
- 在Medline,EMBASE,CINAHL和EMCARE搜索了关于呼吸短促和死亡率的研究.
- 包括1000名健康成年人的研究,评估喘息与非喘息个体的死亡率.
主要成果:
- 21项研究被纳入了审查中,19项研究被纳入了元分析中,所有这些研究都具有良好的质量,偏差风险低.
- 喘息的存在增加了43%的死亡风险 (RR: 1.43,95% CI: 1.28-1.61).
- 增加的喘息严重程度与较高的死亡率相关:轻度 (30%的增加),严重 (103%的增加) 和mMRC等级4 (155%的增加).
结论:
- 呼吸困难与一般成年人群的死亡率增加有显著的关联.
- 呼吸困难的严重程度与死亡风险的严重程度直接相关.
- 潜在的机制需要进一步调查,可能与呼吸困难有关,作为各种潜在疾病的标志物.
更多相关视频
相关概念视频
Respiratory Assessment: Purpose and Indications
1.1K
Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
1.1K
Respiratory Volumes and Capacities I
1.1K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.1K
Physical Assessment of the Respiratory Tract II: Inspection
349
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
Chest Configuration
The chest configuration...
349
COPD: Management Using Bronchodilators and Corticosteroids
255
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
255
Assessment of Respiration
1.2K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.2K
Physiological Control of Respiration
2.2K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
2.2K

