knee surgery

Optimising outcomes after ACL surgery

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ACL surgery rehab physiotherapy newcastle australia

As discussed in our previous post, the rate of ACL surgery in Australia are on the rise. We are also performing the most ACL reconstructions per person than any other country in the world. Alarmingly though, the incidence of secondary ACL repairs is rising at a greater rate than primary repairs! Why is this so? Part of the reason may be due to the quality of rehabilitation and/or the decision-making process regarding return to sport (RTS).

So, what does a high-quality rehabilitation program comprise of, and what needs to be considered when making a return to sport?

An ACL rehabilitation program should be individualised. The stage of healing, current impairments and the individual’s goals must be considered. A quality program should be broken into phases with the athlete working towards specific goals within each phase before progressing to the next phase. The athlete should be guided by their physiotherapist to restore normal joint range of motion, muscle strength, balance and proprioception (awareness), landing mechanics, speed, power and agility. Then, the athlete must prepare for returning to sport. During this last phase of rehab, it is very important that the athlete attempts progressively harder sport-specific exercise and develops confidence in the tasks they will be required to do in their particular sport. This process should be guided by a physiotherapist who can take specific measurements to determine progression of rehab through the various phases.

Deciding when to return to sport can be difficult. In 2016, a meeting of world experts in injury management developed a consensus statement on returning to sport. One of the key findings from this conference was that the time to RTS varies among individuals, unrelated to the type and severity of injury. While time alone is not a reliable indicator of readiness to return to sport, it has been found that the likelihood of re-injury is reduced by 51% for each month a return to sport is delayed from 6 months until 9 months post-surgery (Grindem 2016).

So while delaying a RTS until at least 9 months following surgery is wise, decisions should be made based on information from a battery of tests. These tests should include not only physical tests such as strength, power and agility, but also assessment of psychological readiness and confidence. One particular study found that individuals who did not successfully complete the outcome measure at the end of their rehabilitation before returning to sport were 4x more likely to re-rupture their ACL (Kyritsis 2016).

If you’ve injured your knee and want help to ensure you optimise your recovery and avoid reinjury, contact us on 02 49216879 or admin@numovesphysiotherapy.com.au.

Please find the articles referred to in this post below:

  1. Likelihood of ACL graft rupture: not meeting six clinical discharge criteria before return to sport is associated with a four times greater risk of rupture (Kyritsis, 2016)
  2. 2016 Consensus statement on return to sport from the First World Congress in Sports Physical Therapy, Bern (Griffin, 2016)
  3. Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: The Delaware-Oslo ACL cohort study (Grindem, 2016)

ACL reconstruction on the rise in Australia

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Newcastle football physiotherapy

 

News reports of high-profile athletes being sidelined due to ACL injuries seems to be becoming more and more common in Australia – and a recent study suggests that this isn’t just a coincidence. Research published last year has found the incidence of knee reconstructions performed in Australia to be on the rise, with Australia now performing more of these surgeries than any other country in the world!

From 2000 to 2015, the annual incidence of this surgery increased by 43%, and by a staggering 74% among those under 25 years of age. Those most likely were men aged 20- 24 years, and women aged 15 – 19 years. It is suspected that this is a result of greater participation in these age groups in high risk sports which involve pivoting, jumping and rapid deceleration. It is estimated that 72% of ACL reconstructions in Australia are sport-related, with sports such AFL, rugby, netball, basketball, soccer and skiing the most frequent culprits.

Perhaps even more alarmingly, the percentage of people undergoing revision ACL reconstructions was found to be increasing more rapidly than those undergoing their first reconstruction! This suggests that not enough people are completing high-quality rehabilitation, or perhaps are returning to high-risk activities too soon.

In the following weeks we’ll discuss how to most effectively prevent ACL injuries, and the evidence behind making a safe return to sport after undergoing surgery. If you’ve injured your knee and are considering surgery, or if you’ve already had knee surgery and want to ensure you optimise your recovery and avoid reinjury, contact us on 02 49216879 or admin@numovesphysiotherapy.com.au.

To read more on this topic go to: https://www.mja.com.au/journal/2018/208/8/increasing-rates-anterior-cruciate-ligament-reconstruction-young-australians

ACL Reconstruction – When is best?

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ACL reconstruction

The NU Moves team recently did a masterclass session into the research associated with ACL tears and reconstructions. The questions we raised were based on a randomised trial published in BMJ in 2013 and several papers this year from Assoc Prof Richard Frobell and collaborates*.

Do you always need to have an ACL reconstruction?

Surgical repair of the ACL depends on the presence of instability and your specific goals. If you want to play sport involving change of direction (football, netball, basketball, etc) then surgery is recommended. However, having surgery in all cases is not as clear as it was 10 years ago. If you only want to walk and cycle then in some cases it’s possible to rehab the knee to an adequate level of stability. Persistent feelings of instability or giving way after rehab would warrant consideration of surgical intervention in any case, even if you don’t want to play sport.

When is the best time to have an ACL reconstruction post injury?

Current evidence clearly shows better outcomes are achieved if the patient undergoes an initial period of rehab prior to surgical intervention, deciding when and whether to have ACL surgery can be made once you have completed your rehab. A 12-week rehab period should be used to reduce swelling and regain strength and stability.

What should you do before ACL reconstructive surgery?

You must have a physiotherapy assessment and intervention. When we refer to rehabilitation following an ACL injury it involves strategies directed at reducing pain and swelling from the initial injury; regaining mobility and muscle length; and mostly importantly strengthening all the muscles of the legs to provide stability at the knee. These factors are the most relevant factors influencing your functional outcome, should you undergo ACL reconstruction.

Do you need to have an MRI?

Yes. If you have a suspected ACL tear then you should have an MRI to investigate, your doctor or physiotherapist can arrange this. The extent of ACL injury and other cartilage damage that can occur with ACL injuries are best identified via MRI. If there is significant meniscal or other cartilage damage then it needs to be considered relative to the rehab management and sometimes earlier surgery.

Do you always need to see an orthopaedic specialist?

Yes. They are the specialists of ACL surgery. Alternatively you could see a sports physician for a non-surgical opinion. There is now debate around the prevention of arthritic changes in the knee by undergoing ACL reconstruction surgery, evidence of its effectiveness is still valid but not as clear cut as it was 10 years ago. Studies over longer periods of time are still required to fully answer the question of whether surgery is better than conservative rehabilitation to delay or avoid arthritic change in the ACL injured knee. Getting a good orthopaedic opinion relative to your injury and goals is advised. For isolated ACL injuries it is now clear that better outcomes are achieved after a 3 month pre operative rehab period. So get the rehab started and then organise an orthopaedic referral at a time that suits you.

If you have any questions or have injured your ACL contact us to organise a time to start your rehab. Read more about knee rehab here.

* Articles reviewed:

  1. Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial. Frobell et al. BMJ Jan 2013.
  2. Lower extremity performance following ACL rehabilitation in the KANON trial. Ericsson et al. Br J Sp Med 2013.
  3. Delaying ACL reconstruction and treating with exercise therapy alone may alter prognostic factors for 5 year outcome. Filbay et al. Br J Sp Med 2017.
  4. Surgical reconstruction of ruptured ACL prolongs trauma induced increase of inflammatory cytokines in synovial fluid. Larsson et al. Osteoarthritis and cartilage 2017