Knee Surgery, Sports Traumatology, Arthroscopy

, Volume 27, Issue 12, pp 4064–4065 | Cite as

Reply to the letter to the editor: Comment on “Anterior cruciate ligament reconstruction performed within 12 months of the index injury is associated with a lower rate of medial meniscus tears”

  • Ying Ren MokEmail author
  • Lingaraj Krishna

Dear Editor,

We would like to thank the team of Bart Oole et al. for the interest and comments regarding our recently published retrospective cohort study entitled “Anterior cruciate ligament reconstruction performed within 12 months of the index injury is associated with a lower rate of medial meniscus tears”. We agree with the authors on the controversy surrounding the time to surgery in patients with anterior cruciate ligament (ACL) injury. Indeed, this is a topic which has been hotly debated on within the international community for decades. Even up until now, there is still the emergence of various studies drawing opposing conclusions, all backed by relatively strong evidence.

The authors have highlighted the studies by Frobell et al. [1] and van Yperen et al. [5], both of which support non-operative treatment, or delayed surgical treatment in ACL ruptures. However, Frobell et al. found that subjects assigned to rehabilitation plus optional delayed ACL reconstruction had to...



No funding was obtained or provided for this study.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants performed by any of the authors.


  1. 1.
    Frobell RB, Roos EM, Roos HP, Ranstam J, Lohmander LS (2010) A randomized trial of treatment for acute anterior cruciate ligament tears. N Engl J Med 363:331–342CrossRefGoogle Scholar
  2. 2.
    Potter HG, Jain SK, Ma Y, Black BR, Fung S, Lyman S (2012) Cartilage injury after acute, isolated anterior cruciate ligament tear: immediate and longitudinal effect with clinical/MRI follow-up. Am J Sports Med 40:276–285CrossRefGoogle Scholar
  3. 3.
    Ro KH, Kim HJ, Lee DH (2018) The transportal technique shows better clinical results than the transtibial techniques for single-bundle anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 26:2371–2380CrossRefGoogle Scholar
  4. 4.
    Sanders TL, Kremers HM, Bryan AJ, Fruth KM, Larson DR, Pareek A et al (2016) Is anterior cruciate ligament reconstruction effective in preventing secondary meniscal tears and osteoarthritis? Am J Sports Med 44:1699–1707CrossRefGoogle Scholar
  5. 5.
    van Yperen DT, DE Meuffels, Reijman M (2018) Twenty-year follow-up study comparing operative versus nonoperative treatment of anterior cruciate ligament ruptures in high-level athletes: response. Am J Sports Med 46:NP57–NP58CrossRefGoogle Scholar

Copyright information

© European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA) 2019

Authors and Affiliations

  1. 1.Department of Orthopaedic Surgery, National University Hospital Sports CentreNational University Health SystemSingaporeSingapore

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