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Paediatric ACL Monitoring Initiative (PAMI)
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The main purpose of the “Paediatric Anterior Cruciate Ligament Monitoring Initiative” (PAMI) is to create a novel pan-European system to collect and analyse data from orthopaedic surgeons who are treating children and adolescents with anterior cruciate ligament (ACL) injury. PAMI will provide the first large-scale, objective overview going beyond regional case studies to provide stronger scientific knowledge that will ultimately secure that children and adolescents can receive treatment following ACL injuries according to the best available evidence.


The ultimate goal of PAMI is to enlarge the evidence base for optimal treatment of paediatric ACL injuries. Additionally, PAMI aims are:

  1. to describe current treatment options following a paediatric ACL injury
  2. to analyse the associated short-, medium- and long-term clinical outcome
  3. extending the evidence base on optimal treatment choices
  4. to propose international treatment guidelines

Inclusion and exclusion criteria of patients
  1. Every patient with a physical activity-related ACL injury (isolated or combined with MCL-injury).
  2. Traumatic ACL injury diagnosed with magnetic resonance imaging (MRI) and a positive Lachman’s test (side-to-side comparison).
  3. Age limit: Girls: skeletal age 8-14; boys: skeletal age 8-16 – based on x-ray of the left hand and evaluation according to the Greulich & Pyle atlas criteria at the time of inclusion.
  4. Exclusion of tibial spine fractures.
  5. Exclusion of combined ACL-PCL injuries.
  6. Exclusion of knee dislocations.

PAMI project participation Step-by-step instructions
  1. Visit the PAMI webpage ( for initial information regarding the PAMI project, including the FAQ page on administrative issues
  2. Contact the PAMI steering committee and request a copy of the “PAMI register regulation” to take notice of the legal and administrative requirements entailed by your participation
  3. File a PAMI participation request form with the PAMI steering committee, identifying the participating institution, as well as the principal investigator and local study coordinator acting on its behalf
  4. Request a copy of the PAMI research protocol, patient information & consent form (plus the associated, standardised questionnaires) and adapt these documents to your specific requirements
  5. File an application of the complete research protocol with your national or institutional ethics committee, in accordance with your legal requirements
  6. Forward a copy of the official ethical clearance confirmation for participation in the PAMI project to the PAMI steering committee as soon as it has been obtained
  7. Receive your personal access codes to the PAMI platform once all administrative steps are fulfilled and your participation has been cleared by the PAMI steering committee

Frequently asked questions
Interested in becoming a collaborating partner?

If you are interested in becoming a collaborating partner, please contact us at


ESSKA Executive Office Luxembourg
Centre Médical - FNM
76, rue d'Eich | L-1460 Luxembourg
Phone: +352 4411 7026 | Fax: +352 4411 7678

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The ESSKA Foundation supports ESSKA education and both national and international research projects in the field of orthopaedic and sports medicine and surgery.