What is the evidence base for the use of Platelet-rich Plasma (PRP) and Low-Level Laser Therapy (LLLT) over Rest, Ice, Compression, and Elevation (RICE) for soft tissue injuries?

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Last updated: March 15, 2025View editorial policy

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From the Guidelines

The current evidence base does not support the use of Platelet-rich Plasma (PRP) and Low-Level Laser Therapy (LLLT) over Rest, Ice, Compression, and Elevation (RICE) for soft tissue injuries, and instead suggests that a more nuanced approach, such as the "PEACE and LOVE" protocol, may be more effective in promoting healing and reducing morbidity, mortality, and improving quality of life. The "PEACE and LOVE" protocol, which stands for Protection, Elevation, Avoid anti-inflammatory drugs, Compression, Education (immediate phase) followed by Load, Optimism, Vascularization, and Exercise (subsequent days), is recommended over the traditional RICE protocol because recent evidence suggests that ice and complete rest may actually delay healing by interfering with the inflammatory process and tissue regeneration 1.

For acute soft tissue injuries, protecting the injured area from further damage for 1-3 days while allowing some movement within pain limits is crucial. Elevation and compression (using elastic bandages or taping) help reduce swelling. Avoiding anti-inflammatory medications like ibuprofen in the early stages may also be beneficial, as they may impair tissue healing 1. After the initial protection phase, gradually introducing controlled loading of the injured tissue, maintaining optimism about recovery, promoting blood flow through heat or light activity, and beginning appropriate rehabilitation exercises can help improve outcomes 1.

The use of PRP and LLLT is not supported by high-quality evidence, and their effectiveness in promoting healing and reducing morbidity, mortality, and improving quality of life is unclear 1. In contrast, the "PEACE and LOVE" protocol is based on a more comprehensive understanding of the body's natural healing processes, which require inflammation for proper tissue repair and controlled stress to guide optimal tissue remodeling 1.

Key considerations in the management of soft tissue injuries include:

  • Protecting the injured area from further damage
  • Allowing some movement within pain limits
  • Using elevation and compression to reduce swelling
  • Avoiding anti-inflammatory medications in the early stages
  • Gradually introducing controlled loading and rehabilitation exercises
  • Promoting blood flow and optimism about recovery

By following the "PEACE and LOVE" protocol, clinicians can provide more effective care for patients with soft tissue injuries, reducing morbidity, mortality, and improving quality of life 1.

From the Research

Evidence for RICE

  • The RICE principle is a widely accepted method for managing acute soft tissue injuries, with rest, ice, compression, and elevation being the basic principles 2, 3, 4.
  • Ice therapy has been shown to be effective in reducing pain and swelling, with repeated applications of 10 minutes being the most effective 2, 5.
  • The use of ice has a theoretical, clinical, and experimental basis, and should be used as soon as possible after the injury, and then several times a day for 20 minutes for several days 3.

Comparison with PRP and LLLT

  • There is no direct evidence in the provided studies comparing the effectiveness of Platelet-rich Plasma (PRP) and Low-Level Laser Therapy (LLLT) with RICE for soft tissue injuries.
  • The studies provided focus on the use of RICE, particularly ice therapy, in the management of acute soft tissue injuries 2, 3, 5, 4, 6.

Limitations

  • The studies provided do not explore the use of PRP and LLLT in the management of soft tissue injuries, and therefore do not provide a comparison with RICE 2, 3, 5, 4, 6.
  • Further research would be needed to determine the effectiveness of PRP and LLLT in comparison to RICE for soft tissue injuries.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Ice therapy: how good is the evidence?

International journal of sports medicine, 2001

Research

Management of minor soft tissue trauma in adolescent athletes.

Journal of adolescent health care : official publication of the Society for Adolescent Medicine, 1986

Research

Management of Soft Tissue Injuries.

Adolescent medicine (Philadelphia, Pa.), 1991

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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