HEART score improves efficiency of coronary computed tomography angiography in patients suspected of acute coronary syndrome in the emergency department.

AIMS: Coronary computed tomography angiography is increasingly employed in the emergency department for suspected acute coronary syndrome patients. The HEART score has been proposed for initial risk stratification in these patients. The aim of this study was to investigate the diagnostic value and efficiency of the HEART score before coronary computed tomography angiography. METHODS AND RESULTS: We included patients suspected of acute coronary syndrome who underwent coronary computed tomography angiography in the emergency department. Based on the HEART score, patients were stratified as low-risk (HEART≤3), intermediate-risk (HEART4-6) and high-risk (HEART≥7). We assessed coronary computed tomography angiography for the presence of significant coronary artery disease (>50% stenosis). The primary outcome, the level of major adverse cardiac events, was a composite endpoint of all-cause mortality, acute coronary syndrome or coronary revascularisation within 30 days. The study population consisted of 340 patients (mean age: 55.6±10.1 years, 44.7% women), major adverse cardiac events occurred in 45 (13.2%) patients. The incidence of major adverse cardiac events in patients stratified as low-risk (35.0%), intermediate-risk (56.8%) and high-risk (8.2%) was 3.4%, 12.4% and 60.7%, respectively. All four low-risk patients with major adverse cardiac events had a HEART score of three. An algorithm where coronary computed tomography angiography is reserved for patients with HEART 3-6 resulted in a sensitivity of 97.8%, specificity of 84.1%, negative predictive value of 99.6% and positive predictive value of 48.4%, while reducing the need for coronary computed tomography angiography by 22% (n=75). CONCLUSION: The predictive value of coronary computed tomography angiography for 30-day major adverse cardiac events in suspected acute coronary syndrome patients is good, and reserving coronary computed tomography angiography for HEART score 3-6 patients reduces the number of needed coronary computed tomography angiograms without affecting diagnostic accuracy.

Erratum: Self-referred patients at the Emergency Department: patient characteristics, motivations, and willingness to make a copayment.

[This corrects the article DOI: 10.1186/s12245-014-0030-7.].

Self-referred patients at the Emergency Department: patient characteristics, motivations, and willingness to make a copayment.

BACKGROUND: In many countries, including the Netherlands, a substantial number of patients visit the Emergency Department (ED) without a referral by a general practitioner. The goal of this study was to determine the characteristics and motivations of self-referred patients (SRPs) at the ED. The secondary objective was to explore SRPs' opinion about copayments. METHODS: A survey, in seven different languages was performed among SRPs from October 2011 until January 2012 at an academic ED in the Netherlands. Patients were included on 21 day-, 21 evening-, and 21 nightshifts during week and weekend days equally. Patient characteristics, motivations, complaints, diagnosis, and the opinion regarding copayments were examined. RESULTS: A total of 436 SRPs were included (response rate 82%). Forty-seven percent of the ED population was self-referred. SRPs were mainly male (58%), between 18 and 35 years (54%), Dutch (67%), single without children (42%), and low-educated (73%). The most commonly presented complaints were of musculoskeletal origin (35%). Expected need for additional medical care (e.g., X-rays, blood tests) was the reason to visit the ED for 28% of the SRPs. Around 30% of the SRPs were not prepared to pay for an ED visit. Fifty percent of SRPs were prepared to pay up to 25 or 50 EUR. Highly educated patients were willing to pay more than patients with a low level of education (p < 0.05). CONCLUSIONS: SRPs (47% of the total ED population) are often young men with musculoskeletal complaints. They are convinced that additional medical tests are necessary. About 70% of the SRPs are willing to make a copayment, half of the SRPs with a maximum between 25 EUR and 50 EUR. As highly educated SRPs are prepared to pay more, introducing copayments might influence equity in health care accessibility.