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April 9, 2024The American Journal of Sports MedicineOpen Access

Comparison of Blood Flow Restriction Interventions to Standard Rehabilitation After an Anterior Cruciate Ligament Injury: A Systematic Review

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Why the study?

Existing blood flow restriction training data are heterogeneous, and it remains unclear whether rehabilitation with BFR-t after ACL injury improves muscle strength and size more than standard rehabilitation.

Does blood flow restriction training improve muscle strength, muscle size, and PROMs compared to standard rehabilitation in patients aged 18-65 after an ACL injury?

Population

Participants aged 18-65 undergoing rehabilitation for an ACL injury across 5 studies

Comparison

Rehabilitation with BFR-t vs standard rehabilitation without BFR-t

Design

Systematic review

Authors

VCValentina ColomboTVTamara ValenčičKSKatherine Steiner

Discussion

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Member takes

Overview

BFR-t may improve strength and size after ACL injury; leaves open need for larger RCTs before changing practice.

Structured PICO

Does blood flow restriction training improve muscle strength, muscle size, and PROMs compared to standard rehabilitation in patients aged 18-65 after an ACL injury?

P
Population
Participants aged 18-65 undergoing rehabilitation for an anterior cruciate ligament (ACL) injury and subsequent reconstruction (5 studies included)
I
Intervention
Rehabilitation with blood flow restriction training (BFR-t)
C
Comparator
Standard rehabilitation (with and without comparable and higher load resistance training)
O
Outcome
Muscle strength, muscle size, and knee-specific patient-reported outcome measures (PROMs)surrogate

Blood flow restriction training after ACL injury may benefit muscle strength, size, and patient-reported outcomes compared with standard rehabilitation, though evidence is mixed and limited.

Limitations

  • Only 1 large study included all outcomes, which has yet to be replicated in other settings

Cite This Study

Colombo et al. (2024) studied this question.

synapsesocial.com/papers/6a70df07e71d69abee08e9dchttps://doi.org/10.1177/03635465241232002
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Side Effects and Patient Tolerance with the Use of Blood Flow Restriction Training after ACL Reconstruction in Adolescents: A Pilot Study2022 · 25 citations
  2. 2Functional and molecular adaptations of quadriceps and hamstring muscles to blood flow restricted training in patients with ACL rupture2021 · 44 citations
  3. 3Low-load resistance muscular training with moderate restriction of blood flow after anterior cruciate ligament reconstruction2003 · 253 citations
  4. 4Benefits of Resistance Training with Blood Flow Restriction in Knee Osteoarthritis2017 · 260 citations
  5. 5Rayyan—a web and mobile app for systematic reviews2016 · 26,537 citations