We read the recent ‘Tools of the Trade’ issue of O&G Magazine (Vol 17 No 4 Summer 2015) with interest and report here on the use of rotational thromboelastometry (ROTEM) and thromboelastography (TEG) in an obstetric setting. Figure 1. This is an example of a ROTEM graph for a patient with normal clotting function. 1

TEG & ROTEM ThromboElastoGraphy ROtational ThromboElastoMetry •Examines entire of hemostasis. •Adventage : Real-time analyse of clot formation and dissolusion

Samples are posted out directly to registered participants, samples must be tested and results returned by fax, email or post, before the deadline, on the results sheet provided. The TEG 5000 and TEG 6S Thromboelastograph Hemostasis Analyzers (Haemonetics) and the ROTEM (IL-Werfen) are global whole-blood analyzers that measure clotting time and the dynamics of clot formation and dissolution as effected by the kinetics of thrombin generation, platelet activation, fibrin generation, clot strength, clot stability, and inhibitory effects on any aspect. 133 These manual 2014-09-27 · Introduction The understanding of coagulopathies in trauma has increased interest in thromboelastography (TEG®) and thromboelastometry (ROTEM®), which promptly evaluate the entire clotting process and may guide blood product therapy. Our objective was to review the evidence for their role in diagnosing early coagulopathies, guiding blood transfusion, and reducing mortality in injured the use of TEG® or ROTEM® to guide blood transfu-sion remains uncertain [8]. The interest in TEG® and ROTEM® in trauma is recent and the topic lacks large numbers of studies.

The point-of-care assay, which uses graphic interpretation of thromboelastography (the TEG), offers the opportunity for an expedited assessment of Of the 4 types of TEG assays available, the most common is the rapid TEG, and it is the assay referred to in this review. The use of an activator in rapid TEG standard-izes the TEG test and speeds up the rate at which clotting takes place, thus making results available more quickly.9 The first measurement of note is the reaction time (R time). THROMBOELASTOGRAPHY (TEG) IN TRAUMA SUMMARY Thromboelastography (TEG) is a test of whole blood coagulation that was developed in the 1950’s, but was largely passed over in favor of conventional coagulation tests (PT, PTT, platelet count). It has been ROTEM sigma cartridges • Detect factor deficiency • Discriminate between thrombocytopenia and fibrinogen deficiency or fibrin polymerization disorders • Detect hyperfibrinolysis • Detect direct FX inhibitors and direct thrombin (FIIa) inhibitor effects The ROTEMsigma cartridge portfolio contains five tests offered in two test Conclusion: TEG/ROTEM could be a promising tool in diagnosing alterations in coagulation in sepsis.

2013-07-02

The clot firmness parameters (ROTEM EXTEM MCF and FIBTEM MCF and TEG MA) performed better in diagnosing coagulopathy when defined by a fibrinogen level <1 g/L. None of the measurements performed statistically better than the others.

2015-05-07

Only TEG and injury severity Thromboelastography (TEG) and its fraternal twin rotational thromboelastometry (ROTEM) are relatively new toys in the trauma community. They allow for (somewhat) rapid assessment of clotting function, and allow the trauma professional to surmise what products might push abnormal clotting characteristics back toward normal.

Furthermore, it results in significantly lower re-exploration rate, decreased incidence of postoperative acute kidney injury and thromboembolic events in … TEG ROTEM Two channels Four channels A pin connected with a torsion wire, is inserted into the sample. Sample cup oscillates The pin (sensor) is ﬁxed on the tip of a rotating shaft which is guided by a ball bearing system. The shaft rotates back and forth.
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LY30 measures the rate of amplitude reduction 30 minutes after MA. This measurement gives an indication of the stability of the clot. LY30 (EPL) MA, or Maximum Amplitude, is a direct function of the maximum dynamic properties of fibrin and platelet bonding and represents the ultimate strength of the fibrin clot. •No clear evidence that TEG or ROTEM improve survival in adult cardiac surg and liver transplant patients. •However, reduced bleeding and fewer patients requiring both Plt and FFP. Interpretation of TEG Factsheet v1 Final March 2013.doc Page 1 of 2 Interpretation of TEG/ROTEM Factsheet 3 Area of Application The interpretation of the traces produced by the thromboelastography devices is vital for the management of coagulopathy and the corresponding appropriate use of blood components/therapies.

The shaft rotates back and forth. Sample cup is stationary Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 2017-01-09 Thromboelastometry (TEM), previously named rotational thromboelastography (ROTEG) or rotational thromboelastometry (ROTEM), is an established viscoelastic method for hemostasis testing in whole blood.
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ROTEM sigma cartridges • Detect factor deficiency • Discriminate between thrombocytopenia and fibrinogen deficiency or fibrin polymerization disorders • Detect hyperfibrinolysis • Detect direct FX inhibitors and direct thrombin (FIIa) inhibitor effects The ROTEMsigma cartridge portfolio contains five tests offered in two test

ROTEM and TEG technology provide real‐time, analysis of the viscoelastic properties of clot formation and dissolution in whole blood. Both ROTEM and TEG, using several samples run in parallel with a variety of activators and inhibitors, allow the processes of clot initiation, propagation, stabilization, and dissolution to be evaluated separately. We read the recent ‘Tools of the Trade’ issue of O&G Magazine (Vol 17 No 4 Summer 2015) with interest and report here on the use of rotational thromboelastometry (ROTEM) and thromboelastography (TEG) in an obstetric setting. Figure 1. This is an example of a ROTEM graph for a patient with normal clotting function.