The influence of ECG ST-T changes on the sensitivity, specificity and diagnostic accuracy in the diagnosisof hypertension with coronary heart disease
心电图ST-T改变诊断高血压伴冠心病对敏感性、特异性及诊断准确率的影响

摘要

目的 分析研究高血压伴冠心病患者采取心电图ST-T改变诊断对其敏感性、特异性及诊断准确率的影响。方法 选取本院于2021年1月-2022年1月期间收治的高血压伴冠心病100例为本次研究对象。上述患者均采取心电图ST-T改变诊断，诊断金标准为冠脉造影结果。观察心电图ST-T改变诊断在高血压伴冠心病诊断中的敏感性、特异性及诊断准确率。结果 高血压伴冠心病100例患者,通过金标准冠脉造影诊断后，有65例患者呈现为冠心病阳性，阳性率为65.00%，35例呈现为冠心病阴性，阴性率为35.00%。对上述患者采取心电图ST-T改变诊断后，其中55例为冠心病阳性，阳性率55.00%,45例冠心病阴性，阴性率为45.00%。将冠脉造影作为金标准﹐采取心电图ST-T改变诊断冠心病真阳性44例,假阳性6例,真阴性28例,假阴性22例。由此可见，心电图ST-T改变在高血压伴冠心病诊断中的敏感度为67.69%、特异度为80.00%、准确率为72.00%。结论 在高血压伴冠心病患者诊断中采取心电图ST-T改变诊断，能够作为冠心病的早期筛查手段,对于存在高血压、伴胸部不适症状以及心电图ST-T改变的者,可判定为冠心病。此种诊断方法可在临床上推广应用。

Abstract

Objective To analyze the influence of electrocardiogram ST-T changes on the sensitivity, specificity and diagnostic accuracy of patients with hypertension and coronary heart disease.
Methods A total of 100 patients with hypertension and coronary heart disease who were admitted to our hospital from January 2021 to January 2022 were selected as the research objects. The above patients were all diagnosed by ECG ST-T changes, and the gold standard for diagnosis was coronary angiography. To observe the sensitivity, specificity and diagnostic accuracy of ECG ST-T changes in the diagnosis of hypertension with coronary heart disease.
Results Among 100 patients with hypertension and coronary heart disease, after the diagnosis by gold standard coronary angiography, 65 cases were positive for coronary heart disease, with a positive rate of 65.00%, and 35 cases were negative for coronary heart disease, with a negative rate of 35.00%. After the above patients were diagnosed by ECG ST-T changes, 55 cases were positive for coronary heart disease, the positive rate was 55.00%, and 45 cases were negative for coronary heart disease, and the negative rate was 45.00%. Taking coronary angiography as the gold standard, ECG ST-T changes were used to diagnose coronary heart disease in 44 cases with true positives, 6 false positives, 28 true negatives, and 22 false negatives. It can be seen that the sensitivity of ECG ST-T changes in the diagnosis of hypertension with coronary heart disease is 67.69%, the specificity is 80.00%, and the accuracy is 72.00%.
Conclusion   In the diagnosis of patients with hypertension and coronary heart disease, the diagnosis of ECG ST-T changes can be used as an early screening method for coronary heart disease. Heart disease. This diagnostic method can be applied in clinical practice.