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Improving the performance of a triage scale for chest pain patients admitted to emergency departments: combining cardiovascular risk factors and electrocardiogram

医学 急诊分诊台 胸痛 急诊科 观察研究 急诊医学 金标准(测试) 心肌梗塞 疼痛量表 物理疗法 医疗急救 内科学 护理部
作者
Chiara Casarin,Anne-Sophie Pirot,Charles Gregoire,Laurence Van Der Haert,Patrick Vanden Berghe,Diego Castanares-Zapatero,Melanie Dechamps
出处
期刊:BMC Emergency Medicine [BioMed Central]
卷期号:22 (1)
标识
DOI:10.1186/s12873-022-00680-y
摘要

The triage of patients presenting with chest pain on admission to the emergency department uses scales based on patient clinical presentation or an electrocardiogram (ECG). These scales have different sensitivity and specificity. Although a good sensitivity allows for the prompt identification of high-risk patients, specificity prevent ED overcrowding. Moreover, ECG at triage avoids missing ST elevation myocardial infarction, which requires urgent revascularization. Our study therefore aimed to investigate whether a scale combining ECG and cardiovascular risk factors (CVRF) improves the diagnostic performance of ED chest pain triage scale.In this prospective single-center observational study involving 505 patients, the standard ECG-based FRENCH scale was compared to a scale combining the ECG-based FRENCH scale and the patients CVRF. The new scale was called the "modified" FRENCH. The accuracy of patient CVRF collection was evaluated by comparing the results of triage nurses and ED physicians. Compared with the standard FRENCH scale, the modified FRENCH scale had an increased sensitivity (61% versus 75%) but a decrease in specificity (76% versus 64%) resulting in a similar diagnostic performance. Using CVRF collected by the ED physicians, the modified FRENCH scale had a sensitivity of 87% and a specificity of 56% with a significant improvement in his diagnostic performance compared with standard FRENCH scales. This improvement can be explained by an accurate collection of the CVRF by physicians compared with nurses, as suggested by the weak to moderate correlation between their respective data collection.In conclusion, combining ECG and accurately collected cardiovascular risks factor improves the diagnostic performance of the ECG based chest pain triage in the ED.Trial registration number: NCT03913767 .
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