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Related Concept Videos

Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization
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Thromboelastometry Versus Rotational Thromboelastography in Cardiac Surgery.

Ahmed Zaky1

  • 11 University of Alabama at Birmingham, AL, USA.

Seminars in Cardiothoracic and Vascular Anesthesia
|August 1, 2017
PubMed
Summary
This summary is machine-generated.

Point-of-care viscoelastic devices like rotational thromboelastometry (ROTEM) and thromboelastography (TEG) aid goal-directed blood resuscitation in cardiac surgery. However, consensus on their mortality benefit and device superiority remains elusive.

Keywords:
antifibrinolyticsblood losscardiac anesthesiacardiopulmonary bypasscoagulopathy

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Area of Science:

  • Anesthesiology
  • Critical Care Medicine
  • Hematology

Background:

  • Massive blood loss and transfusion in cardiac surgery pose significant morbidity and mortality risks.
  • Viscoelastic point-of-care testing, including rotational thromboelastometry (ROTEM) and thromboelastography (TEG), offers targeted blood product resuscitation.
  • These methods aim to overcome limitations of conventional coagulation tests.

Purpose of the Study:

  • To review the operational characteristics of ROTEM and TEG.
  • To discuss the advantages of ROTEM in cardiac surgery, supported by recent evidence.
  • To address the lack of consensus regarding mortality reduction and device superiority.

Main Methods:

  • Review of operational characteristics of viscoelastic testing devices.
  • Analysis of current evidence on the use of ROTEM and TEG in cardiac surgery.
  • Discussion of limitations and comparative aspects of ROTEM and TEG.

Main Results:

  • ROTEM and TEG provide rapid, point-of-care assessment of hemostasis.
  • Evidence supports the use of these devices for goal-directed blood product resuscitation.
  • A definitive consensus on whether ROTEM/TEG use reduces mortality is lacking.
  • Discrepancies exist regarding the superiority of one device over the other.

Conclusions:

  • Viscoelastic devices represent an advancement in managing coagulopathy in cardiac surgery.
  • Further research is needed to establish clear guidelines and confirm mortality benefits.
  • ROTEM shows promise in cardiac surgery, but comparative data and standardization are crucial.