Being told you have a complete ACL tear almost inevitably raises the question — do I need surgery? For many patients, particularly young athletes, the assumption is that surgery is the only option. The reality is more nuanced, and the right answer depends on a range of individual factors that deserve careful consideration.
This is one of the most important decisions in ACL management, and it should never be made in a rushed or one-size-fits-all manner. Understanding both pathways can help you feel more informed and confident in the conversations ahead.
What Does ACL Surgery Involve?
ACL reconstruction involves replacing the torn ligament with a graft — typically taken from the patient’s own hamstring tendon or patella tendon. The graft is threaded through the knee and secured in place to replicate the function of the original ligament.
Surgery is performed under general anaesthetic and is followed by an extensive rehabilitation process. The surgery itself is generally well tolerated, but the recovery is significant and should not be underestimated.
What Does Non-Surgical Management Involve?
Non-surgical management — sometimes called conservative rehabilitation — focuses on restoring knee stability through targeted strengthening and neuromuscular retraining rather than reconstructing the ligament itself.
The goal is to develop sufficient muscular control around the knee to compensate for the absence of the ACL, allowing a return to functional activities and in some cases sport. This approach requires a high level of commitment to rehabilitation and is not appropriate for every patient.
When Surgery Is Generally Recommended
Surgical reconstruction is more commonly recommended in the following situations:
- Complete ACL tear with significant functional instability
- High-demand athletes wishing to return to pivoting or cutting sports
- Associated meniscal or cartilage injury requiring surgical repair
- Young athletes with open growth plates where instability poses a risk to long-term joint health
- Failed conservative management with ongoing episodes of giving way
When Non-Surgical Management May Be Appropriate
Conservative rehabilitation may be a suitable first approach in the following situations:
- Lower-grade partial ACL tears
- Individuals with lower physical and sporting demands
- Older patients or those with existing joint degeneration
- Patients who wish to trial rehabilitation before committing to surgery
- Those with medical factors that increase surgical risk
Research including the KANON trial has shown that a proportion of patients with complete ACL tears can achieve good long-term outcomes without surgery, provided rehabilitation is structured and thorough.
The Importance of an Individualised Approach
There is no universal right answer. What matters most is that the decision is made based on a thorough assessment of the individual — their injury, their goals, their lifestyle, and their values. Some patients do exceptionally well with conservative rehabilitation. Others require surgical reconstruction to safely return to the activities that matter most to them.
At Aret Chiropractic, Ahmad assesses knee stability, functional capacity, and the broader picture of each patient’s goals before providing guidance on the most appropriate pathway. Where surgical opinion is required, appropriate referral is always made.
If you or your child has recently been diagnosed with an ACL tear and wants expert guidance on the right management approach, call us on (02) 8018 8883 to speak with Ahmad at Aret Chiropractic in North Ryde, or book online for a consultation.
References
Frobell, R. B., et al. (2013). A randomised trial of treatment for acute anterior cruciate ligament tears. New England Journal of Medicine, 368(13), 1180–1191.
Monk, A. P., et al. (2016). Management of anterior cruciate ligament injuries: evidence-based guideline. BMJ Open Sport & Exercise Medicine, 2(1), e000032.
Moksnes, H., & Risberg, M. A. (2009). Performance-based functional evaluation of non-operative and operative treatment after anterior cruciate ligament injury. Scandinavian Journal of Medicine & Science in Sports, 19(3), 345–355.
Shea, K. G., et al. (2004). Bone bruises and meniscal tears on MRI in skeletally immature children with tibial eminence fractures. Journal of Pediatric Orthopaedics, 24(5), 585–589.
van Yperen, D. T., et al. (2018). Twenty-year follow-up study comparing operative versus nonoperative treatment of anterior cruciate ligament ruptures in high-level athletes. American Journal of Sports Medicine, 46(5), 1129–1136.