High-sensitivity Troponin T in Acute Myocardial Infarction After Cardiac Valvular Surgery
NCT ID: NCT02518282
Last Updated: 2015-08-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
800 participants
OBSERVATIONAL
2014-01-31
2016-05-31
Brief Summary
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Postoperative myocardial infarction (MI) is a frequent and important complication after cardiac surgery with high morbidity and mortality. Therefore it is very important to recognize any cardiac event in patients who undergo cardiac surgery. Different diagnostic tools can be used to the diagnosis of acute myocardial infarction; however few is known about the value of high-sensitivity cardiac troponin T (hs-cTn) to diagnose a MI after heart valvular surgery.
The aim of this study is to determine the upper reference limit of high-sensitivity troponin T concentration to consider the diagnosis of acute myocardial infarction in patients undergoing heart valvular surgery.
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Detailed Description
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The study is conducted at the University Clinical Hospital of Valladolid, Spain. The Cardiac Surgery department annually performs approximately 550 cardiac surgeries with CPB in adult patients (approximately 300 heart valvular surgeries). Two operating rooms are routinely used. There is an intensive care unit (ICU) with 10 beds dedicated exclusively to the postoperative care of patients who undergo cardiac surgery.The hospital's research commission approved the study. All patients, preoperatively, provided informed written consent both for their heart surgery and for their participation in the study.
Serum levels of hs-cTn will be measured before cardiac surgery, upon arrival at the ICU, as well as every 6 hours for 24 hours, then every 8 hours the following 24 hours and a last blood sample will be taken 72 hours after cardiac surgery. Samples are analysed at the department of Clinical Biochemistry of our hospital.
Twelve-lead electrocardiograms (ECGs) obtained the day prior to heart valvular surgery, immediately upon arrival at the ICU, and then 24, 48 and 72 hours post-surgery will be reviewed by a cardiologist to evidence signs of myocardial infarction (MI). All cardiac events will be noted as The Third Global MI Task Force definition of MI describes.
A transthoracic echocardiography (TTE) will be also performed by a cardiologist after cardiac valvular surgery to determine the ejection fraction of left ventricle and the occurrence of a new regional wall motion abnormality. This TTE will be compared, by the same cardiologist, with a TTE performed before cardiac valvular surgery.
The principal investigator will supervise data handling.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Interventions
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Serum levels of high-sensitivity troponin T
Serum levels of hs-cTn will be measured before surgery, upon arrival at the ICU, as well as every 6 hours for 24 hours, then every 8 hours the following 24 hours and a last blood sample will be taken 72 hours after surgery.
Twelve-lead ECGs
Twelve-lead ECGs obtained the day prior to heart valvular surgery, immediately upon arrival at the ICU, and then 24, 48 and 72 hours post-surgery will be reviewed by a cardiologist to evidence signs of MI.
Transthoracic echocardiography (TTE)
A TTE will be also performed by a cardiologist after cardiac valvular surgery to determine the ejection fraction of left ventricle and the occurrence of a new regional wall motion abnormality. This TTE will be compared, by the same cardiologist, with a TTE performed before cardiac valvular surgery.
Eligibility Criteria
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Inclusion Criteria
* Undergoing cardiac valvular surgery.
* No recent clinical history of ischemic heart disease.
* Each participant must voluntarily give his written informed consent.
Exclusion Criteria
* Patients with severe or end-stage renal insufficiency.
* Insertion of assist devices.
18 Years
ALL
No
Sponsors
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University of Valladolid
OTHER
Responsible Party
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Héctor Cubero Gallego
MD
Principal Investigators
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Héctor Cubero Gallego, MD
Role: PRINCIPAL_INVESTIGATOR
University Clinical Hospital of Valladolid
Eduardo Tamayo Gómez, MD, PhD
Role: STUDY_CHAIR
University Clinical Hospital of Valladolid
José Alberto San Román Calvar, MD, PhD
Role: STUDY_CHAIR
University Clinical Hospital of Valladolid
José Ignacio Gómez Herreras, MD, PhD
Role: STUDY_CHAIR
University Clinical Hospital of Valladolid
Locations
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University Clinical Hospital of Valladolid
Valladolid, Spain, Spain
Countries
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Central Contacts
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Facility Contacts
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References
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Thygesen K, Mair J, Katus H, Plebani M, Venge P, Collinson P, Lindahl B, Giannitsis E, Hasin Y, Galvani M, Tubaro M, Alpert JS, Biasucci LM, Koenig W, Mueller C, Huber K, Hamm C, Jaffe AS; Study Group on Biomarkers in Cardiology of the ESC Working Group on Acute Cardiac Care. Recommendations for the use of cardiac troponin measurement in acute cardiac care. Eur Heart J. 2010 Sep;31(18):2197-204. doi: 10.1093/eurheartj/ehq251. Epub 2010 Aug 3.
Morrow DA, Cannon CP, Jesse RL, Newby LK, Ravkilde J, Storrow AB, Wu AH, Christenson RH, Apple FS, Francis G, Tang W; National Academy of Clinical Biochemistry. National Academy of Clinical Biochemistry Laboratory Medicine Practice Guidelines: clinical characteristics and utilization of biochemical markers in acute coronary syndromes. Clin Chem. 2007 Apr;53(4):552-74. doi: 10.1373/clinchem.2006.084194. Epub 2007 Mar 23. No abstract available.
Wang TK, Stewart RA, Ramanathan T, Kang N, Gamble G, White HD. Diagnosis of MI after CABG with high-sensitivity troponin T and new ECG or echocardiogram changes: relationship with mortality and validation of the universal definition of MI. Eur Heart J Acute Cardiovasc Care. 2013 Dec;2(4):323-33. doi: 10.1177/2048872613496941. Epub 2013 Aug 5.
Lurati Buse GA, Koller MT, Grapow M, Bolliger D, Seeberger M, Filipovic M. The prognostic value of troponin release after adult cardiac surgery - a meta-analysis. Eur J Cardiothorac Surg. 2010 Feb;37(2):399-406. doi: 10.1016/j.ejcts.2009.05.054. Epub 2009 Aug 20.
Apple FS, Jesse RL, Newby LK, Wu AH, Christenson RH; National Academy of Clinical Biochemistry; IFCC Committee for Standardization of Markers of Cardiac Damage. National Academy of Clinical Biochemistry and IFCC Committee for Standardization of Markers of Cardiac Damage Laboratory Medicine Practice Guidelines: Analytical issues for biochemical markers of acute coronary syndromes. Circulation. 2007 Apr 3;115(13):e352-5. doi: 10.1161/CIRCULATIONAHA.107.182881. Epub 2007 Mar 23. No abstract available.
Thygesen K, Alpert JS, Jaffe AS, Simoons ML, Chaitman BR, White HD; Writing Group on behalf of the Joint ESC/ACCF/AHA/WHF Task Force for the Universal Definition of Myocardial Infarction. Third universal definition of myocardial infarction. Glob Heart. 2012 Dec;7(4):275-95. doi: 10.1016/j.gheart.2012.08.001. Epub 2012 Sep 26. No abstract available.
Other Identifiers
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PI 15-223 CINV 15-01
Identifier Type: -
Identifier Source: org_study_id
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