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Related Concept Videos

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The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
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Standard Precaution01:26

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Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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Related Experiment Video

Updated: Mar 18, 2026

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets
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Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets

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Platelets: handle with care.

S Thomas1

  • 1Manufacturing Development, NHS Blood and Transplant, Watford, UK. Stephen.Thomas@nhsbt.nhs.uk.

Transfusion Medicine (Oxford, England)
|June 28, 2016
PubMed
Summary
This summary is machine-generated.

Proper handling of platelet concentrates ensures patient safety. Key factors include storage temperature (20-24°C), limited transport time (24h total, 8h max per period), and avoiding over-wrapping to maintain gas exchange.

Keywords:
agitationplateletsqualitytransport

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Area of Science:

  • Transfusion Medicine
  • Hematology
  • Blood Component Processing

Background:

  • Platelets are vital blood components requiring precise handling from collection to transfusion.
  • Current practices for platelet storage and transport need optimization to ensure component efficacy and patient safety.

Purpose of the Study:

  • To review and provide evidence-based recommendations for optimal platelet handling practices.
  • To address critical parameters including concentration, resting time, agitation, transport duration, and storage temperature.

Main Methods:

  • Literature review of existing studies and guidelines on platelet processing and storage.
  • Analysis of data regarding the impact of various handling conditions on platelet viability and function.

Main Results:

  • Platelet storage bags must allow adequate gas exchange; over-wrapping is detrimental.
  • Transport without agitation should be limited to 24 hours total, with individual periods not exceeding 8 hours.
  • Optimal storage temperature is 20-24°C to prevent membrane damage and phagocytosis, while minimizing bacterial risk.

Conclusions:

  • Updated UK Guidelines for Blood Transfusion Services incorporate these findings.
  • Adherence to recommended handling procedures ensures the provision of efficacious platelet components for transfusion.