{"id":6951,"date":"2025-05-22T12:27:20","date_gmt":"2025-05-22T09:27:20","guid":{"rendered":"https:\/\/jordan-cardiac.org\/?p=6951"},"modified":"2025-05-22T12:27:20","modified_gmt":"2025-05-22T09:27:20","slug":"the-esc-2023-0h-1h-high-sensitivity-cardiac-troponin-algorithm-clinical-use-evidence-and-challenges","status":"publish","type":"post","link":"https:\/\/jordan-cardiac.org\/en\/the-esc-2023-0h-1h-high-sensitivity-cardiac-troponin-algorithm-clinical-use-evidence-and-challenges\/","title":{"rendered":"The ESC 2023 -0h\/1h High-Sensitivity Cardiac Troponin Algorithm: Clinical Use, Evidence, and Challenges"},"content":{"rendered":"
The ESC 2023 -0h\/1h High-Sensitivity Cardiac Troponin Algorithm: Clinical Use, Evidence, and Challenges<\/div>\n
<\/div>\n
Source:<\/div>\n
<\/div>\n
Revista Espa\u00f1ola de Cardiolog\u00eda (Rev Esp Cardiol), 2023<\/div>\n
The basis for the ESC accelerated diagnostic algorithm for acute coronary syndromes (ACS) \u2014 particularly the 0\/1-hour algorithm \u2014 lies in the well-established pathophysiology of myocardial infarction (MI):<\/div>\n
<\/div>\n
With MI, levels of cardiac troponin (cTn) rise rapidly \u2014 typically within 1 hour when using high-sensitivity assays \u2014 following symptom onset, and remain elevated for a variable period of time, usually lasting several days.<\/div>\n
<\/div>\n
Clinical implication:<\/div>\n
Faster protocols (such as the ESC 0\/1-hour algorithm), which rely on lower high-sensitivity troponin thresholds, may offer greater efficiency and safety in ruling out myocardial infarction compared to the traditional ESC 0\/3-hour protocol.<\/div>\n
<\/div>\n
Key Points Summary:<\/div>\n
1. Diagnosis of NSTEMI-ACS relies on 3 elements: clinical assessment, ECG, and cardiac troponin (T\/I).<\/span><\/div>\n
2. High-sensitivity troponin (hs-cTn) assays allow faster detection of myocardial injury and earlier diagnosis.<\/span><\/div>\n
3. Rapid ESC diagnostic algorithms using serial hs-cTn (0h\/1h, 0h\/2h, and 0h\/3h) are recommended.<\/span><\/div>\n
4. ESC 0h\/1h algorithm is the preferred and most validated method (Class I recommendation).<\/span><\/div>\n
5. This strategy triages patients into:<\/span><\/div>\n
\u2022 Rule-out (very low baseline and no delta at 1h)<\/span><\/div>\n
\u2022 Rule-in (high baseline or significant delta at 1h)<\/span><\/div>\n
\u2022 Observe (intermediate or unclear changes)<\/span><\/div>\n
6. Absolute delta is central: a significant rise or fall within 1h improves diagnostic accuracy.<\/span><\/div>\n
7. Assay-specific cutoffs must be applied exactly as validated (Roche, Abbott, Siemens, etc.).<\/span><\/div>\n
8 In the rule-out zone, patients presenting >3 hours after symptom onset with very low hs-cTn concentrations may be eligible for early discharge, provided there is no other clinical\u00a0 indication for hospital admission. .<\/span><\/div>\n
9. In the rule-in zone, patients should undergo early coronary angiography and intensive care.<\/span><\/div>\n
10. Observe zone patients require 3h troponin, echo, and possible coronary imaging.<\/span><\/div>\n
11. The algorithm is a triage tool, not a discharge decision; clinical context remains essential.<\/span><\/div>\n
12. Successful implementation depends on:<\/span><\/div>\n
\u2022 Nursing team training<\/span><\/div>\n
\u2022 Accurate timing and documentation of blood draws<\/span><\/div>\n
.\u00a0 \u00a0 \u00a0Clinical practice favors the use of absolute hs-cTn values or changes over relative values or percentage changes (e.g., 20\u201330%), as absolute deltas are easier to interpret and apply. Reichlin et al. and others have shown that absolute changes offer better diagnostic accuracy across various time intervals.<\/span><\/div>\n
https:\/\/doi.org\/10.3390\/jcdd11100318<\/a><\/div>\n
13. The 0h\/2h algorithm is a validated alternative if the 1h sample is missed.<\/span><\/div>\n
<\/div>\n
https:\/\/www.revespcardiol.org\/en-high-sensitivity-cardiac-troponin-from-theory-articulo-S1885585713001667<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

The ESC 2023 -0h\/1h High-Sensitivity Cardiac Troponin Algorithm: Clinical Use, Evidence, and Challenges Source: Revista Espa\u00f1ola de Cardiolog\u00eda (Rev Esp Cardiol), 2023 The basis for the ESC accelerated diagnostic algorithm for acute coronary syndromes (ACS) \u2014 particularly the 0\/1-hour algorithm \u2014 lies in the well-established pathophysiology of myocardial infarction (MI): With MI, levels of cardiac […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6951","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/posts\/6951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/comments?post=6951"}],"version-history":[{"count":1,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/posts\/6951\/revisions"}],"predecessor-version":[{"id":6952,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/posts\/6951\/revisions\/6952"}],"wp:attachment":[{"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/media?parent=6951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/categories?post=6951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jordan-cardiac.org\/en\/wp-json\/wp\/v2\/tags?post=6951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}