For those preparing for anterior cruciate ligament (ACL) surgery, this is another very common question I get asked. While every case is unique, the procedure typically takes 1 to 2 hours. However, certain factors, such as the complexity of the injury and the surgical technique used, can impact the overall duration.
In this blog, we’ll explore the standard duration of ACL surgery, factors that might affect the timeline, and what you can expect before, during, and after the procedure.
How Long Is ACL Surgery? A General Overview
The duration of ACL surgery usually falls between 1 and 2 hours. This time frame covers the essential steps of the procedure, including:
- Preparing the knee
- Harvesting the graft to reconstruct your torn ACL
- Removing the damaged ACL.
- Securing the graft (replacement tissue) into place.
Most ACL surgeries are performed arthroscopically using small incisions and specialized tools, which makes the procedure more efficient and minimally invasive.
What Affects the Duration of ACL Surgery?
Although the surgery itself is relatively standardized, several factors can extend or shorten the time in the operating room. Here’s what you need to know:
1. The Type of Graft Used
The graft serves as the replacement for the damaged ACL, and the method of obtaining it can influence the duration:
- Autografts (Your Tissue): Harvesting tissue from your patellar tendon or hamstring adds an extra step and time to the procedure.
- Allografts (Donor Tissue): Using pre-prepared donor tissue eliminates the need for harvesting, potentially shortening surgery time.
2. Additional Injuries in the Knee
Many ACL injuries are accompanied by damage to other structures in the knee, which may require additional procedures:
- Meniscus Tears: Repairing or removing torn meniscus tissue can add 20–30 minutes to the surgery.
- Cartilage Damage: Fixing cartilage issues might also lengthen the procedure.
- Multiple Ligament Injuries: Reconstructing other ligaments in addition to the ACL will increase the total time.
3. Surgical Technique
Most ACL surgeries are performed arthroscopically, which is quicker and less invasive than traditional open surgery. However, if the surgeon uses open surgery for complex cases, the duration may be longer.
4. Surgeon’s Expertise
An experienced orthopaedic surgeon may complete the procedure more efficiently while maintaining precision, whereas less experienced surgeons might take additional time. ACL reconstruction is one of favourite operations of which I perform a high volume of. Recently I have had my knowledge and surgical skills assessed and you could read about my experience by clicking on the link below. This should give you further reassurance that you are in safe hands.
Simplified ACL Surgery Timeline
To give you a better sense of the process, here’s a breakdown of the typical steps involved in ACL surgery and how long each one takes:
- Preparation (15–30 minutes)
- Administration of anaesthesia and sterilization of the surgical area.
- Graft Harvesting (15–30 minutes)
- I tend to use your hamstring tendons as a graft. Look out for my blog on what is the best type of graft for ACL reconstruction
- Reconstruction (30–60 minutes)
- The damaged ACL is removed, and the new graft is secured in place using tunnels drilled in the bones.
- Final Inspection and Closure (15 minutes)
- The surgeon ensures the knee is stable, closes the incisions, and applies a bandage.
- Additional surgery
If there are other damaged structures in the knee (such as meniscus tear or other ligaments), then the surgical time will be increased. This is often performed before the graft is fixed on to the bone
Total Duration: 1–2 hours on average.
Visual Aid: ACL Surgery Timeline
Post-Surgery: What Happens Next?
Although the duration of ACL surgery itself is relatively short, recovery is a longer process. After the procedure:
- You’ll spend 30-60 minutes in recovery as the anaesthesia wears off.
- Rehabilitation begins shortly after surgery and continues for 6–12 months, depending on your activity level and goals.
Conclusion
The question, “How long is ACL surgery?”, can generally be answered with 1–2 hours, but the duration depends on factors like graft type, surgical technique, and the presence of additional injuries. Understanding the timeline and process can help you feel more prepared for the procedure and what lies ahead.
If you have specific concerns about your surgery or recovery, please contact my office on 02074594482 or email admin@londonhipknee.co.uk . I can help guide you through your journey, no matter what stage you are at.
