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Higher re-rupture rate in quadriceps tendon ACL reconstruction surgeries performed in Denmark: let’s return to the mean

A Letter to the Editor to this article was published on 06 May 2020

The Original Article was published on 22 October 2019

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Anterior cruciate ligament


Quadriceps tendon


Hamstring tendon


Propensity score matching


  1. Ekeland A, Engebretsen L, Fenstad AM, Heir S (2019) Similar risk of ACL graft revision for alpine skiers, football and handball players: the graft revision rate is influenced by age and graft choice. Br J Sports Med.

    Article  PubMed  Google Scholar 

  2. Franklin JM, Schneeweiss S (2017) When and how can real world data analyses substitute for randomized controlled trials? Clin Pharmacol Ther 102:924–933

    Article  Google Scholar 

  3. Gonçalves H, Steltzlen C, Boisrenoult P, Beaufils P, Pujol N (2017) High failure rate of anterior cruciate ligament reconstruction with bimeniscal repair: a case-control study. Orthop Traumatol Surg Res 103:943–946

    Article  PubMed  Google Scholar 

  4. Siegel JJ (2007) Stocks for the long run. McGraw-Hill, New York

    Google Scholar 

  5. Lane JG, Irby SE, Kaufman K, Rangger C, Daniel DM (1994) The anterior cruciate ligament in controlling axial rotation. An evaluation of its effect. Am J Sports Med 22:289–293

    CAS  Article  PubMed  Google Scholar 

  6. Lind M, Nielsen TG, Soerensen OG, Mygind-Klavsen B, Faunø P (2019) Quadriceps tendon grafts does not cause patients to have inferior subjective outcome after anterior cruciate ligament (ACL) reconstruction than do hamstring grafts: a 2-year prospective randomised controlled trial. Br J Sports Med.

    Article  PubMed  Google Scholar 

  7. Lind M, Strauss MJ, Nielsen T, Engebretsen L (2019) Quadriceps tendon autograft for anterior cruciate ligament reconstruction is associated with high revision rates: results from the Danish Knee Ligament Registry. Knee Surg Sports Traumatol Arthrosc.

    Article  PubMed  Google Scholar 

  8. Magnussen RA, Reinke EK, Huston LJ, MOON Knee Group, Hewett TE, Spindler KP, Amendola A, Andrish JT, Brophy RH, Dunn WR, Flanigan DC, Jones MH, Kaeding CC, Marx RG, Matava MJ, Parker RD, Vidal AF, Wolcott ML, Wolf BR, Wright RW (2018) Effect of high-grade preoperative knee laxity on 6-year anterior cruciate ligament reconstruction outcomes. Am J Sports Med 46:2865–2872

    Article  PubMed  PubMed Central  Google Scholar 

  9. Rosenbaum PR, Rubin DB (1983) The central role of the propensity score in observational studies for causal effects. Biometrika 70:41–55

    Article  Google Scholar 

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Authors and Affiliations



CJ and RS have made substantial contributions to acquisition of data, analysis and interpretation of data. EC, RP and JC have been involved in drafting the manuscript and revising it critically. MO has made substantial contributions to conception and design, acquisition of data, analysis and interpretation of data.

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Correspondence to Matthieu Ollivier.

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Some of the authors disclosed potential conflict of interest.


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Ollivier, M., Jacquet, C., Pailhe, R. et al. Higher re-rupture rate in quadriceps tendon ACL reconstruction surgeries performed in Denmark: let’s return to the mean. Knee Surg Sports Traumatol Arthrosc 28, 3655–3656 (2020).

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  • ACL reconstruction
  • Quadriceps tendon
  • Patellar tendon
  • Revision rate
  • Hamstring tendon