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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.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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Related Experiment Video

Updated: Jul 4, 2025

Preparation, Procedures and Evaluation of Platelet-Rich Plasma Injection in the Treatment of Knee Osteoarthritis
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Not all platelet-rich plasma are created equal.

Manuel Muñoz Cantero1

  • 1IVI Alicante, Centro de Excelencia en Rejuvenecimiento Ovárico, Avenida de Denia, Alicante, Spain.

Current Opinion in Obstetrics & Gynecology
|February 7, 2024
PubMed
Summary

This review examines platelet-rich plasma (PRP) variations in reproductive medicine. Standardizing PRP formulations is crucial for consistent clinical outcomes and wider adoption in treatments.

Area of Science:

  • Reproductive Medicine
  • Biotechnology
  • Cell Therapy

Background:

  • Platelet-rich plasma (PRP) use varies across medical fields, leading to inconsistent outcomes and controversy.
  • Reproductive medicine is increasingly using PRP, but faces similar challenges due to outcome variability.
  • Limited studies exist, highlighting the need for standardization in reproductive applications.

Purpose of the Study:

  • To elucidate variations in clinical outcomes linked to different platelet-rich plasma (PRP) types in reproductive medicine.
  • To investigate reasons for diverse results reported in PRP studies.
  • To identify general features distinguishing various PRP formulations.

Main Methods:

  • Literature review of PRP applications in reproductive medicine and other fields.

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  • Analysis of factors contributing to outcome variability in PRP treatments.
  • Compilation of essential characteristics for standardized PRP preparation.

    • Main Results:

    • A multitude of PRP brands and "home-made" preparations hinder standardization.
    • Lack of standardized protocols impedes clinical adoption, especially for endometrial and ovarian treatments.
    • Evidence from other disciplines suggests key characteristics for effective PRP formulations.

    Conclusions:

    • Standardization of platelet-rich plasma (PRP) is essential for consistent clinical outcomes in reproductive medicine.
    • Defining essential PRP characteristics will mitigate variability in future research.
    • Wider clinical adoption of PRP in reproductive treatments requires standardized protocols.