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PLATELET AGGREGOMETRY INTERPRETATION USING ROTEM – PART – II Vandana Bhardwaj, Poonam Malhotra Kapoor, Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi

The ROTEM platelet system is a new module that can be added to the ROTEM, enabling simultaneous analysis of thromboelastometry measurements and platelet aggregation using impedance aggregometry.

Video 1: Platelet aggregometry using ROTEM

Color coded graph for interpretation

Reference values of INTEM, HEPTEM, EXTEM, and FIBTEM

Videos Available on: www.annals.in Access this article online

Website: www.annals.in PMID: *** DOI: 10.4103/0971-9784.191559 Quick Response Code:

Address for correspondence: Dr. Poonam Malhotra Kapoor, Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi, India. E‑mail: [email protected]

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© 2016 Annals of Cardiac Anaesthesia | Published by Wolters Kluwer - Medknow

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ROTEM TEMOGRAM with decreased Fibrinogen

ROTEM platelet mapping system ROTEM PM system3 is a new module that can be added to ROTEM, enabling simultaneous analysis of thromboelastometry & platelet aggregation using impedance aggregometry (Figure Below).

ROTEM monitor showing simultaneous graphs of thromboelastometry (upper 4) and platelet aggregometry (lower 2)

ROTEM platelet aggregation graph In ROTEM PM, effect of various antiplatelet drugs can be studied through single use agent; ARA-TEM for cyclooxygenase inhibitors, ADP-TEM for ADP receptor blocker and TRAP-TEM for glycoprotein IIbIIIa receptor blockers.

Impedance aggregometry: Activator pathways

Graph showing different therapies

Annals of Cardiac Anaesthesia |  Oct-Dec-2016 | Vol 19 | Issue 4

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Graph showing increased and decreased clotting time

Administration of fibrinogen concentrate

Conclusion: Major bleeding is a partially modifiable risk factor, and adequate preemptive and treatment strategies should be applied to limit this event. ROTEM PLATELET AGGREGOMETRY provides great blood product usage and is cost effective when used in time.

This is an open access article distributed under the terms of the Creative Commons Attribution‑NonCommercial‑ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non‑commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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Cite this article as: Bhardwaj V, Kapoor PM. Platelet aggregometry interpretation using ROTEM – PART – II. Ann Card Anaesth 2016;19:584-6.

Annals of Cardiac Anaesthesia  |  Oct-Dec-2016 | Vol 19 | Issue 4

Platelet aggregometry interpretation using ROTEM - PART - II.

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