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BioMed Research International - Volume 2015 2015, Article ID 574546, 9 pages -

Research Article

Department of Cardiothoracic Surgery-Cardiac Anaesthesia and ICU Section, Heart Hospital, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar

Department of Critical Care Medicine, Beni Suef University, Beni-Suef 62511, Egypt

Department of Anesthesia, Al-Azhar University, Cairo 11651, Egypt

Department of Medical Research, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar

Received 3 June 2015; Revised 18 July 2015; Accepted 17 August 2015

Academic Editor: Hua Zhu

Copyright © 2015 Amr S. Omar et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Perioperative myocardial infarction PMI confers a considerable risk in cardiac surgery settings; finding the ideal biomarker seems to be an ideal goal. Our aim was to assess the diagnostic accuracy of highly sensitive troponin T hsTnT in cardiac surgery settings and to define a diagnostic level for PMI diagnosis. This was a single-center prospective observational study analyzing data from all patients who underwent cardiac surgeries. The primary outcome was the diagnosis of PMI through a specific level. The secondary outcome measures were the lengths of mechanical ventilation LOV, stay in the intensive care unit LOSICU, and hospitalization. Based on the third universal definition of PMI, patients were divided into two groups: no PMI Group I and PMI Group II. Data from 413 patients were analyzed. Nine patients fulfilled the diagnostic criteria of PMI, while 41 patients were identified with a 5-fold increase in their CK-MB ≥120 U-L. Using ROC analysis, a hsTnT level of 3,466 ng-L or above showed 90% sensitivity and 90% specificity for the diagnosis of PMI. Secondary outcome measures in patients with PMI were significantly prolonged. In conclusion, the hsTnT levels detected here paralleled those of CK-MB and a cut-off level of 3466 ng-L could be diagnostic of PMI.





Autor: Amr S. Omar, Suraj Sudarsanan, Samy Hanoura, Hany Osman, Praveen C. Sivadasan, Yasser Shouman, Alejandro Kohn Tuli, Rajvir

Fuente: https://www.hindawi.com/



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