相关实验视频
Updated: Sep 12, 2025

05:37
An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
2.2K
血管外科手术并发症率的回顾性分析与常用的风险指数计算器相比
Samantha N Fountain1, Nolan Shoukri2, Kirill Antonov3
1New York University Langone Health, New York, NY.
Journal of vascular surgery
|August 8, 2025
概括
风险计算器在预测血管外科手术的不良事件方面显示出显著的变化. 需要更新模型,以准确地进行手术规划,并改善患者的治疗结果.
科学领域:
- 血管外科 血管外科
- 健康 结果 研究 研究 结果
- 医疗信息学 医疗信息学
背景情况:
- 术后风险计算器是手术规划和患者预测结果的重要工具.
- 这项研究评估了三种常见风险计算器的准确性:NSQIP-SRC,RCRI和VQI-CRI.
研究的目的:
- 评估NSQIP-SRC,RCRI和VQI-CRI在常见血管手术中的不良事件的预测准确度.
- 在不同血管手术中确定预测和实际不良事件率之间的差异.
主要方法:
- 从2020年至2023年对952个血管手术 (CEA,EVAR,下周道,开放AAA修复,上周道) 的回顾性分析.
- 使用手术前的数据来计算使用NSQIP-SRC,RCRI和VQI-CRI预测的风险.
- 预测的风险与观察到的不良事件率进行了比较,使用了基平方适应性测试.
主要成果:
- RCRI高估了心脏事件,而VQI-CRI高估了心肌梗塞.
- NSQIP-SRC低估了严重并发症,尿路感染,功能衰竭和返回手术室,但高估了SSI和退院康复.
- 不准确性因手术类型而异,在CEA,EVAR,AAA修复和绕道手术中发现了显著的高/低估值.
结论:
- 在NSQIP-SRC,RCRI和VQI-CRI用于预测血管外科手术中不良事件的准确性存在显著的变化.
- 计算器的准确性取决于程序.
- 需要更新的风险计算器,包括现代血管外科数据,以提高预测准确性和外科规划.
相关概念视频
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
174
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
174
Relative Risk
347
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
347
Peripheral Artery Disease V: Postoperative Nursing Management
25
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
25
Actuarial Approach
135
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
135
Aneurysm III: Interprofessional Care
26
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
26

