通过电子记录验证和更新OHTS-EGPS模型,预测眼睛高血压患者在5年内发生眼风险,使用电子记录进行验证和更新
David M Wright1, Augusto Azuara-Blanco2, Chris Cardwell1
1Centre for Public Health, Queen's University Belfast, Belfast, UK.
Ophthalmology. Glaucoma
|November 6, 2024
概括
这项研究验证了眼睛高血压治疗研究-欧洲玻璃眼膜炎预防研究 (OHTS-EGPS) 模型,用于预测眼睛高血压 (OHT) 患者的玻璃眼膜炎转化. 一个重新装配的模型显示了适度的性能改善,但建议对不同人群采取谨慎措施.
科学领域:
- 眼科医生 眼科 眼科
- 公共卫生 公共卫生
- 生物统计学 生物统计学
背景情况:
- 眼睛高血压 (OHT) 是青光眼的前体,是不可逆转失明的主要原因.
- 准确的风险预测模型对于及时干预和青光眼预防至关重要.
- 眼睛高血压治疗研究-欧洲玻璃眼病预防研究 (OHTS-EGPS) 模型被广泛使用,但需要外部验证.
研究的目的:
- 通过外部验证和更新OHTS-EGPS风险预测模型来预测青光眼转换的风险.
- 通过使用电子医疗记录 (EMR) 在大量的当代英语人口中评估模型的性能.
- 通过将OHTS模型与本地数据重新调整来改进眼风险预测.
主要方法:
- 利用了9030名OHT患者的EMR数据,这些数据来自英国10家医院的玻璃眼病诊所.
- 包括风险因素,如年龄,种族,IOP,角膜厚度和视野参数.
- 基于视觉现场测试和需要进行眼外科手术的定义眼转换.
- 采用元分析来组合辨别能力 (c指数) 和校准 (校准斜率).
主要成果:
- OHTS-EGPS模型显示了0.61的c指数,这表明歧视能力有限.
- 聚合的校准斜率为0.45,表明校准不佳.
- 一个重新装配的模型表现出更好的性能,其c指数为0.67.
- 16.9%的OHT患者在随访期间转化为青光眼.
结论:
- 外部验证显示OHTS-EGPS模型在这个英语队列中的性能不足.
- 重新调整模型导致预测青光眼转换的适度改进.
- 在将OHTS-EGPS模型应用于与原始研究中不同的人群时,建议谨慎.
更多相关视频
07:31Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
Published on: May 15, 2020
7.0K
13:47Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
Published on: June 3, 2018
9.3K
相关概念视频
01:25Errors occurring during blood pressure monitoring
605
Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
Several factors...
605
01:25Glaucoma: Overview
516
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
516