Handheld point-of-care devices for snakebite coagulopathy: a scoping review
Venom induced consumption coagulopathy (VICC) is a common complication of snakebite that is associated with hypofibrinogenaemia, bleeding, disability, and death. In remote tropical settings, where most snakebites occur, the 20-minute whole blood clotting test is used to diagnose VICC. Point-of-care (POC) coagulation devices could provide an accessible means of detecting VICC that is better standardised, quantifiable, and more accurate. In this scoping review, the mechanistic reasons that previously studied POC devices have failed in VICC are considered, and evidence-based recommendations are made to prioritise certain devices for clinical validation studies. Four small studies have evaluated a POC international normalised ratio (INR) device in patients with Australian Elapid, Daboia russelii and Echis carinatus envenoming. All of these studies used POC INR devices that rely on a thrombin substrate endpoint, which, unlike laboratory-based INR measurement, is known to underestimate INR in patients with hypofibrinogenaemia. Seventeen commercially available POC devices for measuring INR, activated clotting time (ACT), activated partial thromboplastin time (aPTT), fibrinogen, D-dimer, and fibrin (ogen) degradation products (FDP) have been reviewed. POC INR devices that detect fibrin clot formation, as well as a novel POC device that quantifies fibrinogen were identified, that show promise for use in patients with VICC. These devices could support more accurate allocation of antivenom, reduce the time to antivenom administration, and provide improved clinical trial outcome measurement instruments. There is an urgent need for these promising POC coagulation devices to be validated in prospective clinical snakebite studies.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Handheld point-of-care devices for snakebite coagulopathy: a scoping review ; day:30 ; month:08 ; year:2024
Thrombosis and haemostasis ; (30.08.2024)
- Contributor
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Abouyannis, Michael
Marriott, Amy E.
Stars, Emma
Kitchen, Dianne P.
Kitchen, Steve
Woods, Tim A.L
Kreuels, Benno
Amuasi, John H.
Monteiro, Wuelton Marcelo
Stienstra, Ymkje
Senthilkumaran, Subramanian
Isbister, Geoffrey K.
Lalloo, David G.
Ainsworth, Stuart
Casewell, Nicholas R.
- DOI
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10.1055/a-2407-1400
- URN
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urn:nbn:de:101:1-2410171626237.795804767169
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:20 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Abouyannis, Michael
- Marriott, Amy E.
- Stars, Emma
- Kitchen, Dianne P.
- Kitchen, Steve
- Woods, Tim A.L
- Kreuels, Benno
- Amuasi, John H.
- Monteiro, Wuelton Marcelo
- Stienstra, Ymkje
- Senthilkumaran, Subramanian
- Isbister, Geoffrey K.
- Lalloo, David G.
- Ainsworth, Stuart
- Casewell, Nicholas R.
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