Introduction

Knee care · ACL injuries

ACL reconstruction surgery in Singapore: assessment, options and recovery

Updated 24 October 2026

An anterior cruciate ligament (ACL) tear does not automatically mean you need an operation. If you are weighing ACL surgery in Singapore, the appropriate pathway depends on how the knee behaves, other injuries in the knee, the activities you want to return to, your health and your priorities.

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Dr Sean LeoOrthopaedic Surgeon, Singapore

Clinic enquiries · Not an emergency service

Illustrative image

At a glance

At a glance: does an ACL tear mean you need an operation?

An anterior cruciate ligament (ACL) tear can affect confidence in the knee, especially during turning, landing or sudden changes of direction.
It does not automatically mean that you need an operation.
The appropriate pathway depends on how the knee behaves, other injuries in the knee, the activities you want to return to, your health and your priorities.
This page explains how an ACL injury is assessed, when rehabilitation may be a reasonable first step, when reconstruction may be considered, and why return to activity is based on progress rather than a promised date.
It provides general information and cannot diagnose your injury or recommend treatment for you.

The short version of ACL decisions

Not every ACL tear requires reconstruction.
MRI adds information to the history and examination, especially when early guarding limits testing.
Rehabilitation is required in every pathway; progression uses both approximate time ranges and objective milestones.
Newer bracing and repair approaches are selective and still carry important uncertainty.

Reconstruction may improve stability in selected patients, but it does not guarantee return to sport or prevent osteoarthritis.

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What’s covered on this webpage

Follow the route in order, or jump to the stop you need. Stops you have read are marked.

Does every ACL tear need surgery?

ACL tear treatment: does every ACL tear need surgery?

Some people can regain useful function with structured rehabilitation and changes to activity, while others continue to have episodes of giving way or need stability for work or sports involving cutting and pivoting.
Associated meniscal, cartilage or other ligament injuries may also alter the decision.
A clinical assessment is needed, because evidence from newly injured patients should not be applied automatically to people with longstanding symptomatic instability.

To see how partial and complete tears differ, see partial and complete ACL tears compared.

A park connector path through tropical greenery dividing into two directions in early morning light

What is the ACL and why does it matter

What is the ACL and why does it matter?

The ACL is one of the major ligaments within the knee. It contributes to control of forward and rotational movement of the shin bone relative to the thigh bone, particularly during tasks such as landing, cutting and pivoting.
When the ACL is torn, some knees remain functionally stable for daily activities, while others repeatedly give way during sport, work or ordinary turning movements.
A tear may happen during a sudden change of direction, an awkward landing or direct trauma. People may describe a pop, swelling, pain, reduced movement or a sense that the knee cannot be trusted.
These features are not unique to an ACL tear, and other structures may be injured at the same time, so the history, examination and imaging findings need to be interpreted together.
Seek emergency assessment after a significant knee injury if the knee or leg is visibly deformed, there is an open wound, or the foot becomes unusually cold, pale, numb or weak. These features can indicate fracture, dislocation or neurovascular injury and should not wait for a routine appointment.
A knee that is truly locked and cannot straighten after injury also needs prompt clinical assessment.
Website or messaging contact is not an emergency-response service.

What happens during an ACL assessment

The operation

What happens during an ACL assessment?

A masked clinician in a white coat examines a seated patient's knee in a consultation room.

Understanding the injury and your goals

Your story and goals come first: what happened, when swelling developed, whether the knee gives way, and what has changed in everyday life, work or sport.

Examining the whole knee

The examination looks at the whole knee, including possible injury to the menisci, cartilage or other ligaments.

Imaging when it is useful

Imaging is used when it is useful. MRI does not decide treatment by itself.

ACL treatment options: three possible pathways

1. Rehabilitation-led care

Rehabilitation-led care: considered when the knee is functionally stable enough for your intended activities, giving-way episodes are absent or controlled, associated injuries do not require surgery, and you are willing to modify activities while strength and control are rebuilt.

More detail: 1. Rehabilitation-led care

Rehabilitation-led care is not “doing nothing”. It usually involves progressive work on swelling, motion, strength, balance, movement control and graded exposure to the activities that matter.
The response needs to be reviewed. Persistent instability, repeated giving way, inability to meet important work or sport demands, or a change in the understanding of an associated injury may lead to reconsideration of reconstruction.

2. Reconstruction as part of a surgical-management strategy

Reconstruction as part of a surgical-management strategy: considered for persistent functional instability, recurrent giving way, a goal of returning to high-demand cutting or pivoting activity, or associated injuries whose management changes the balance.
This is not the same as saying that every athlete needs surgery or that age alone determines treatment.

The American Academy of Orthopaedic Surgeons (AAOS) clinical practice guideline “Management of Anterior Cruciate Ligament Injuries” (2022) recommends: “When surgical treatment is indicated for an acute isolated ACL tear, early reconstruction is preferred because the risk of additional cartilage and meniscal injury starts to increase within 3 months.”

When reconstruction is indicated, timing is individual. The AAOS recommendation is a reason to plan timing deliberately, not a reason to fear every delay; the knee’s condition, motion, swelling, associated injuries and planned procedure all influence timing.

3. Rehabilitation with the option of later reconstruction

Rehabilitation with the option of later reconstruction: a genuine strategy for some acute isolated tears.

More detail: 3. Rehabilitation with the option of later reconstruction

Beginning with rehabilitation while preserving the option of later reconstruction allows function and instability to be assessed over time. It is not a promise that surgery will be avoided, and it is not suitable for every injury pattern.

Structure / Patient / Goal

Deciding together

Structure / Patient / Goal: deciding what matters

No single feature — including age, sport, MRI appearance or a description of a “complete tear” — decides treatment on its own.

Structure

The tear context, functional instability and any meniscus, cartilage or other ligament injury can change the options and their timing.

Patient

Symptoms, general health, personal circumstances, preferences and ability to take part in rehabilitation all matter. Age is relevant, but it is only one factor.

Goal

The demands of daily life, work and desired activity help define what a useful outcome means for you. A plan for occasional recreation may differ from one for repeated pivoting sport.

Your plan

Together, Structure / Patient / Goal provides a practical way to compare strategies without treating one option as right for everyone.

Why the evidence can appear to conflict

In the KANON trial of young active adults with a first-time acute ACL tear, early reconstruction did not provide better patient-reported or radiographic outcomes at five years than rehabilitation with optional delayed reconstruction.
A living systematic review found no clinically important differences for many outcomes between primary surgery and primary rehabilitation with optional reconstruction, but rated the evidence low to very low certainty.
The ACL SNNAP trial studied people with non-acute injury and persistent symptomatic instability; at 18 months, the surgical-management strategy produced better scores on a standard patient-reported knee questionnaire (KOOS4, which averages four of its scores: pain, other symptoms, sport and recreation, and knee-related quality of life; a higher score means fewer knee problems) than rehabilitation with later reconstruction permitted.

More detail: Why the evidence can appear to conflict

KANON detail: 121 young active adults with an acute ACL tear in a previously uninjured knee were assigned to early reconstruction plus rehabilitation or rehabilitation with optional delayed reconstruction. 30 of the 59 people assigned to the optional strategy underwent delayed reconstruction. This was a selected acute population, and the comparison was between management strategies rather than simply “surgery versus no surgery”.
Living review detail: it identified only three randomised studies with 320 participants. “No important difference found” should not be presented as proof that the strategies are equivalent for every patient.
ACL SNNAP detail: 316 people with non-acute ACL injury and persistent symptomatic instability across 29 UK hospitals. There was substantial crossover or non-adherence in both groups, urgent meniscal pathology was excluded, and follow-up was limited to 18 months. These differences may help explain why a newly injured person whose knee may compensate cannot be advised from the same evidence as someone with longstanding giving way.

What ACL reconstruction involves

What ACL reconstruction surgery involves

ACL reconstruction replaces the torn ligament with a graft. The surgeon creates bone tunnels and secures the graft so that it can serve as a new ligament while biological incorporation and rehabilitation progress.
The exact technique depends on anatomy, graft choice, associated procedures and surgeon judgement. What matters is why a technique is suitable, what its trade-offs are, and what rehabilitation it requires.

The operation does not restore a knee instantly, remove every future risk or guarantee a return to a particular sport.

At OrthoSports, ACL reconstruction can be performed as a day-surgery procedure. Patients with concurrent medical issues or other monitoring needs may be advised to receive inpatient care.

Graft choices

Graft choices: a trade-off, not a universal winner

Patellar-tendon, hamstring-tendon and quadriceps-tendon autografts can all be considered. Patellar-tendon and hamstring grafts differ in donor-site symptoms and other trade-offs.
Graft choice remains individual and requires an open discussion between patient and treating doctor.
A systematic review focused on young or highly active patients found more failures with allograft than autograft.
Suitable surgical patients should expect graft choice to be discussed rather than assumed.

Graft choice requires an open discussion between patient and treating doctor.

A graft may come from the patient’s own tissue (autograft) or, in selected settings, donor tissue (allograft). The AAOS guideline (2022) recommends: “When performing an ACL reconstruction, surgeons should consider autograft over allograft to improve patient outcomes and decrease ACL graft failure rate, particularly in young and/or active patients.” Trade-offs among graft sources still matter for the individual.

More detail: Graft choices: a trade-off, not a universal winner

A 2024 systematic review of seven randomised trials (474 patients) found no detected difference between quadriceps- and hamstring-tendon grafts in patient-reported scores, graft failure or overall adverse events at 24 months; donor-site morbidity may have been lower with quadriceps tendon, but the authors judged the evidence insufficient for a definitive conclusion. This does not establish a universal winner or resolve longer-term outcomes.
The allograft-versus-autograft review’s seven included studies comprised one randomised trial and six observational studies, with varied graft types and processing methods. The finding should therefore inform an open discussion between patient and treating doctor about the pros and cons of each option, rather than become a single percentage quoted to every patient.

Associated injuries can change the plan

A clinician examines a seated patient's bent knee during a clinic consultation.

An ACL tear may occur with meniscal, cartilage, medial collateral ligament, posterior cruciate ligament or other injuries. To compare an ACL tear with an MCL tear, see ACL vs MCL tear.
These can affect symptoms, timing, whether another procedure is considered, and how quickly weight-bearing or motion progresses.
A repairable meniscal injury, for example, may lead to a different rehabilitation plan from an isolated ACL reconstruction.

Rehabilitation after reconstruction

Exercise-based rehabilitation is the mainstay after ACL reconstruction.
It should respond to the graft, associated procedures, swelling, pain, motion, strength, function and your goals.
A practical pathway is better described as overlapping phases than as a guaranteed calendar. The phase ranges below are orientation, not clearance dates.
First 0–2 weeks: settle swelling and pain, regain full knee extension, activate the quadriceps and establish safe mobility.
About 3–12 weeks: restore movement and gait while progressively rebuilding strength, balance and tolerance for daily activity.
Often around 3–5 months: graded running may begin only after adequate motion, minimal pain and swelling, strength and single-leg control, and tolerance of preparatory loading. Calendar time alone is insufficient.
About 4–9 months: develop power, landing, change-of-direction and sport-specific capacity where relevant.
Usually approximately nine months for high-risk pivoting sport — a commonly used orientation, not a universal evidence-established minimum: return-to-sport testing is considered only with full motion, no pain or swelling, adequate strength and hop symmetry (hopping about as far on the injured leg as on the other), controlled landing and alignment, psychological readiness and sport-specific exposure.

The 2020 ACL rehabilitation protocol published on the website of the Fowler Kennedy Sport Medicine Clinic — a Canadian centre for sport and exercise medicine at Western University in London, Ontario — places sport-specific training for high-risk sports at around 9–12 months; this is not automatic clearance.

A guideline developed using systematic review and GRADE methods found very low certainty for many individual rehabilitation components and noted that evidence does not establish one universal set of progression or discharge criteria.
Progress may pause or move backwards if symptoms increase or a milestone is not met. A meniscal repair, cartilage procedure or other associated injury may alter weight-bearing, motion, running and sport timelines.
A general webpage is not a self-directed rehabilitation prescription.

More detail: Rehabilitation after reconstruction

GRADE is a structured way of describing how certain the evidence is and how strong a recommendation can reasonably be; low certainty means future evidence may change the conclusion.
Phase detail, 0–2 weeks: walking aids can be reduced when gait is safe and without a limp, subject to surgical and associated-injury restrictions.
Phase detail, 3–12 weeks: return to desk or physical work varies with job demands, travel, swelling, strength and any additional procedure; it is not set by occupation name alone.
Phase detail, 4–9 months: progress depends on quality of movement, strength, hop and task testing (single-leg hopping and movement tasks), symptoms and confidence.
The phase ranges draw on the rehabilitation protocol and patient information that the Fowler Kennedy Sport Medicine Clinic publishes on its website, together with the Melbourne ACL Rehabilitation Guide 2.0; both broadly emphasise individual, criteria-based progression rather than fixed dates.

For the wider picture of recovery after ligament surgery, see recovery after ligament reconstruction, in stages. To get ready for any operation, see preparing for surgery.

A young adult jogs with a relaxed stride on an empty running track at sunrise.

OrthoKinetics Recovery Reflection

Recovery reflection

What stays yours while a sport or a role you care about is on hold?

Being kept away from the thing you do can make it feel as though the person who does it has been put on hold too. That is not so. Your judgement, your habits of preparation and your place among the people you train or work with are still yours, and they can be put to use while the knee does its slow work. It can help to name one thing you are still able to give to a team, a family or a workplace this week, and to let it count.

What would it mean to let other people carry part of the load?

A long recovery is easier to sustain when it is shared. A physiotherapist can hold the plan, a friend can turn up for the walk, a colleague can cover the awkward day, and none of that lessens the effort you are making. Accepting company on the way back is part of the work, and it keeps you connected to the people the knee is meant to take you back to.

What you can do for a while is narrower than who you are, and asking for company on the way back is a sound way to travel it.

Illustrative image

Meet Dr Sean Leo

A consultant orthopaedic surgeon whose clinical focus is the knee, sports injuries and the lower limb.

Dr Sean Leo is a consultant orthopaedic surgeon. OrthoKinetics is his professional brand; clinical services are provided through OrthoSports Orthopaedic & Sports Surgery at Mount Elizabeth Novena Specialist Centre and Connexion, Farrer Park Hospital.
His clinical interests include sports injuries, including those in adolescent athletes; ligament reconstruction; realignment surgery; cartilage repair and joint-preservation approaches; knee replacement; and technology-assisted hip and knee surgery.
The consistent aim is to return people to meaningful function and activity while avoiding unnecessary downtime.
Qualifications: MBBS, MRCS (Ed), MMed (Ortho), FRCSEd (Ortho).

More detail: Meet Dr Sean Leo

Training and career: Dr Leo trained in medicine at the National University of Singapore and served in the Singapore Armed Forces Medical Corps from 2000 to 2012, where his work included the care of soldiers in physically demanding roles. He completed postgraduate orthopaedic training in 2009 and a one-year clinical fellowship at Royal North Shore Hospital in Sydney, Australia, before joining Changi General Hospital as an orthopaedic consultant in 2012, where he later held the positions of Senior Consultant and Director of the Hip and Knee Service. With seniority, his educational contribution has evolved towards mentorship and support for junior doctors.

About Dr Sean Leo

Dr Sean Leo standing in clinical scrubs against a plain wall — **Dr Sean Leo**Orthopaedic Surgeon · consultations through OrthoSports

Return to running, work and sport

The international Panther consensus describes a continuum from return to participation, to return to sport, and finally return to performance.
It recommends moving away from decisions based only on elapsed time and considering examination findings, function, psychological readiness, biological healing, associated injuries and the activity context.
Nine months is not automatic clearance, and passing a test battery does not guarantee that reinjury will not occur.
Expectations need to be realistic: return to some sport is more common than return to the preinjury or competitive level.

More detail: Return to running, work and sport

A prospective cohort of 106 people returning to high-risk pivoting sports found that later return up to nine months and greater quadriceps symmetry were associated with fewer knee reinjuries over two years. This was a small, non-randomised study and did not measure every exposure to sport.
A meta-analysis of 69 studies found that return to some sport was more common than return to the preinjury or competitive level. The studies varied substantially in their populations, definitions and context, and the search is now older. These group findings cannot predict what one person will achieve.

A football player dribbles a plain ball through a line of training cones on a community field.

Risks and limitations of reconstruction

The meaningful comparison is not “safe versus risky” but the different benefits, burdens and uncertainties of each pathway for the individual.
Alternatives may include structured rehabilitation, temporary activity modification, bracing in selected situations, delayed reconstruction, or further assessment when the diagnosis or associated injury remains uncertain.
Choosing reconstruction does not remove the need for rehabilitation, and choosing rehabilitation first does not close the option of later surgery.
Possible complications of reconstruction include infection, deep-vein thrombosis or anaesthetic complications, loss of motion or arthrofibrosis, kneeling or donor-site pain, recurrent instability or graft retear, neurovascular injury, and injury to the ACL in the other knee. Further procedures may sometimes be needed.
The likelihood and relevance of each risk depend on the person, graft, associated injuries, procedure and rehabilitation; unsupported percentages should not be used.
Rehabilitation-led care also has limitations. Persistent or recurrent instability may continue, and giving-way episodes may expose the menisci or cartilage to further injury. Activity modification may not be acceptable for some work or sport goals.

If a graft has torn again or the knee feels unstable after a reconstruction, see when a first reconstruction has not held for how a second operation is approached.

Stability, secondary meniscal injury and osteoarthritis are different questions

The medial meniscus is an important secondary restraint in an ACL-deficient knee.
Repeated instability and longer delays before reconstruction are associated in observational evidence with more secondary medial meniscal damage, so restoring stability may reduce that risk for some patients.
Randomised-trial analyses to date have not shown a consistent reduction in new meniscal damage or meniscal procedures from routine early reconstruction compared with rehabilitation plus optional delayed reconstruction.
Reconstruction should not be promised as preventing a meniscal tear; recurrent giving way, repairable associated injury and the person’s goals are part of the individual decision.
ACL injury and meniscal damage increase long-term osteoarthritis risk, but reconstruction has not been shown reliably to prevent osteoarthritis compared with non-operative care, and it is not a promise of osteoarthritis prevention.

More detail: Stability, secondary meniscal injury and osteoarthritis are different questions

The randomised-trial evidence is affected by selection, crossover, baseline tears and activity exposure.

Long-term knee health and osteoarthritis

ACL injury is associated with a higher long-term risk of knee osteoarthritis.
An umbrella review concluded that reconstruction has not been shown to reduce osteoarthritis prevalence in the longer term compared with non-surgical treatment.
Reconstruction is considered mainly to address stability and function in selected patients.

It is not a promise of osteoarthritis prevention.

More detail: Long-term knee health and osteoarthritis

The umbrella review reported substantial heterogeneity, overlap among primary studies, confounding and an emphasis on radiographic rather than symptomatic osteoarthritis.
Meniscal and cartilage status, reinjury, activity and other factors may influence long-term health, but a precise personal forecast cannot be made from population averages.

For a knee that has had a reconstruction and feels unstable again, see revision ACL reconstruction.

What is the Cross Bracing Protocol

What is the Cross Bracing Protocol?

Two people fit a black hinged knee brace onto a seated person's leg. — A generic hinged knee brace being fitted. This image does not show the Cross Bracing Protocol.

It was developed in Sydney to bring the torn ACL ends closer together during early healing. It is a brace protocol, not a cast.
The original observational cohort reported MRI continuity at three months in 72 of 80 participants, but MRI continuity is not the same as normal ligament structure, stable function, return to sport or freedom from reinjury; 11 participants (14%) had ACL reinjury. There was no randomised control group.
Evidence is conflicting and remains low certainty. A randomised comparison is registered (NCT06956339), so definitive comparative conclusions are not yet available.
The protocol asks a great deal of the person undertaking it, and its risks and inconveniences are not trivial: weeks with the knee held in a brace, an initially very restricted weight-bearing period, possible disruption to work, mobility and caregiving arrangements — the extent varies from person to person — and loss of motion and muscle capacity that must be recovered afterwards. The original report also recorded deep-vein thrombosis (DVT) events that led the treating group to use preventive measures.
Commitment to the protocol should be supervised by appropriately trained clinicians and physiotherapists; it should not be copied from a webpage. Individual clot risk, safe mobility and prevention require clinician oversight, and this page gives no anticoagulant dose.

More detail: What is the Cross Bracing Protocol?

In the original protocol, 80 consecutive patients presenting within four weeks of rupture had the knee held at 90° flexion in a brace for four weeks, followed by weekly increases in motion, unrestricted brace motion by week 10 and brace removal at week 12, with supervised rehabilitation.
The study also included people with concomitant meniscal injury, so a meniscal tear is not an automatic blanket exclusion, but any tear needing repair or altered loading requires its own decision.
A later prospective controlled cohort of 80 active people intending to return to pivoting sport reported much more recurrent instability and medial meniscal tearing after Cross Bracing than after surgical stabilisation at two years, but treatment was chosen rather than randomised, so the comparison may be affected by who chose each option.

Are ACL repair techniques an alternative

Are ACL repair techniques an alternative?

One approach uses a collagen scaffold between torn midsubstance ends (bridge-enhanced ACL repair, or BEAR). A separate approach reattaches selected acute proximal tears, typically Sherman type I or II patterns (tears at or very near the ligament’s upper attachment) with adequate tissue quality, using sutures and anchor fixation, sometimes protected with suture-tape augmentation.
BEAR met prespecified two-year non-inferiority margins for patient-reported outcome and anteroposterior laxity against autograft reconstruction in a single-centre randomised trial of 100 patients aged 13–35. That does not establish superiority, long-term durability, osteoarthritis prevention or local availability.
At present, the BEAR repair technique is not available in Singapore (correct at the point of writing in Sep 2026).
Repair can fail and may then require reconstruction.
For context, the 2022 AAOS clinical practice guideline recommends reconstruction rather than repair when surgical treatment of an ACL tear is indicated, citing a lower risk of revision; repair remains a selective option whose longer-term evidence is limited.

More detail: Are ACL repair techniques an alternative?

For proximal suture-augmented repair, a 2022 systematic review reported only non-randomised studies, short follow-up and weak overall evidence; failure was higher in younger patients. Newer comparative cohorts remain selected by tear location and tissue quality.
A treating surgeon needs to assess tear location, tissue quality, injury timing, age, activity and associated injuries; a device manufacturer’s technique page is not efficacy evidence.

Questions patients often ask

Can I live normally without ACL reconstruction?

Some people can; others cannot meet their work or sport goals without stability.

Full answer

Living without reconstruction: some people regain stable everyday function with rehabilitation; others experience giving way during ordinary turning movements or cannot meet their work or sport goals. The answer depends on functional stability and associated injury, not simply whether the MRI says the ACL is completely torn.

Does every complete tear need reconstruction?

No.

Full answer

Complete tears: selected acute injuries may begin with structured rehabilitation and optional later reconstruction. Persistent symptomatic instability or high-demand pivoting goals may shift the balance towards reconstruction.

Does MRI decide whether I need surgery?

No.

Full answer

MRI: it helps identify the ACL tear and associated injuries, but the decision combines symptoms, examination, activity needs, other injuries and personal priorities.

How is a graft chosen?

Individually. No graft should be described as best for everyone.

Full answer

Graft choice: it considers age, activity, anatomy, previous surgery, donor-site effects, failure risk and the surgeon’s judgement.

When can I run or return to pivoting sport?

Progress should be criteria-informed; a date alone is not clearance.

Full answer

Return to running or pivoting sport: progress should consider symptoms, motion, strength, function, psychological readiness, healing, associated injuries and the demands of the activity. Time matters, but no test can guarantee prevention of another injury.

Does reconstruction prevent arthritis?

It has not been shown to reliably prevent long-term osteoarthritis.

Full answer

Arthritis: reconstruction’s main intended role is to improve stability and function in appropriately selected patients, so it is not a promise of osteoarthritis prevention.

What if I also have a meniscus tear?

It needs individual assessment; a meniscal tear does not by itself supply one universal answer.

Full answer

Meniscus tear: the type, location and symptoms of the meniscal injury may change treatment and rehabilitation. To compare the two injuries, see ACL tear vs meniscus tear.

Can rehabilitation come before surgery?

Yes.

Full answer

Rehabilitation may be the main strategy or the first stage of an optional-delayed strategy. Reconstruction can be reconsidered if instability or important limitations persist.

Does nine months mean I am cleared for pivoting sport?

No. Time matters, but it is only one part of readiness.

Full answer

Nine months is not automatic clearance, and no test removes reinjury risk. Readiness also considers symptoms, strength, movement quality and the demands of the activity.

What changes if my meniscus is repaired?

A meniscus repair may change protection, loading and progression.

Full answer

Your rehabilitation plan should reflect the combined procedure rather than an isolated ACL timeline.

How much does ACL surgery cost in Singapore?

A cost estimate for surgery can be given only after a consultation and assessment, once a surgical plan has been developed.

Full answer

Each individual condition is unique — implants used, time taken, and other factors contribute to the overall estimate. For how costs, MediSave and insurance work in Singapore, see Costs, insurance and MediSave, explained.

What do people mean by a “knee specialist”?

“Knee specialist” is an everyday phrase many people use when looking for a doctor for a knee problem. In Singapore, doctors may only use the specialist titles accredited by the Specialist Accreditation Board (SAB) of the Ministry of Health (MOH). Orthopaedic Surgery is an accredited specialty; the knee is an area of clinical interest within it. “Knee specialist” is not a separate specialist registration; however, individual orthopaedic surgeons may have particular clinical interests within their specialty. The doctor most people have in mind is an orthopaedic surgeon whose practice focuses on knee conditions. Dr Sean Leo is registered as a specialist in Orthopaedic Surgery, and his clinical interest is the knee. He completed a postgraduate knee fellowship programme in Sydney, Australia, at the Royal North Shore Hospital under Dr Myles Coolican and Dr David Parker from 2009 to 2010. Dr Leo was also Director of the Hip and Knee Service at Changi General Hospital from 2014 to 2018.

Costs and insurance

Practicalities

ACL surgery costs and practical arrangements

A cost estimate for surgery can be given only after a consultation and assessment, once a surgical plan has been developed. Each individual condition is unique — implants used, time taken, and other factors contribute to the overall estimate. The estimate will be provided to you by the clinic should you decide on surgical management, and will also be used to assist in obtaining pre-authorisation from insurance where applicable.

A surgical estimate separates surgeon, anaesthetist, hospital or facility, implant and consumable costs, and the MOH publishes national fee benchmarks for common procedures. For how costs, MediSave and insurance work in Singapore, see Costs, insurance and MediSave, explained.

Logos of Alliance MediNet, Great Eastern, HSBC Life, iXchange, Prudential and Singlife. — Insurer panels displayed on this page; Dr Leo is on the panels shown

The cost of assessment, imaging, rehabilitation and surgery can vary with the services required, graft and associated procedures, facility, professional fees and follow-up. Ask for a current written estimate and check your own policy terms.

Insurance panels. Dr Sean Leo, Orthopaedic Surgeon, is on the specialist panels of Great Eastern (GE Panel), HSBC Life (HSBC Life Shield) and Singlife (Singlife Shield), and on the Prudential Panel. AXA Insurance Singapore became part of HSBC Life in 2023, and former AXA Shield plans are now HSBC Life Shield plans.

Corporate health plans. Dr Leo is on the panels of both Alliance Medinet and iXchange, which administer medical benefits for many company health plans. If your company plan uses either panel, you can see Dr Leo as a panel doctor.

If your company uses a different panel. Some company plans still let you see a doctor of your choice outside their panel, then claim reimbursement. This varies from plan to plan, as may the co-payment, so please check your benefits with your company’s HR department.

Panel arrangements change from time to time, so please confirm with your insurer or your company’s plan administrator before your appointment.

Dr Leo is on the panels shown. If your insurer is not listed, you may ask whether co-management with an Orthosports surgeon partner on that panel is clinically and administratively appropriate. Orthosports surgeon partners are collectively on the panels of all Shield plans.

Specific benefits, pre-authorisation, reimbursement and cashless treatment depend on the individual policy and insurer approval and are not guaranteed.

Arrange a consultation: the appointment section is further down this page.

Preparing for a consultation

Dr Sean Leo at his clinic desk, holding a knee model and pointing to a knee scan on screen as he explains to a seated man

It may help to bring available imaging and reports and to think about the activities that matter most to you.
An appointment should support an informed decision; it is not a commitment to surgery.

More detail: Preparing for a consultation

Useful questions to prepare: What is injured besides the ACL? Is my knee functionally unstable, and during which tasks? Is rehabilitation a reasonable first pathway for me? What would make us reconsider the plan? If reconstruction is considered, why is a particular graft suitable? How would associated procedures change rehabilitation? Which milestones would be used before running, work or pivoting sport? What risks and uncertainties matter most in my circumstances?

Sources

References

Brophy RH, Lowry KJ. American Academy of Orthopaedic Surgeons Clinical Practice Guideline Summary: Management of Anterior Cruciate Ligament Injuries. J Am Acad Orthop Surg. 2023;31(11):531-537. doi:10.5435/JAAOS-D-22-01020. PMID:36727995. PubMed
Diermeier TA, Rothrauff BB, Engebretsen L, Lynch A, Svantesson E, Hamrin Senorski EA, et al. Treatment after ACL injury: Panther Symposium ACL Treatment Consensus Group. Br J Sports Med. 2021;55(1):14-22. doi:10.1136/bjsports-2020-102200. PMID:32661128. PubMed
Meredith SJ, Rauer T, Chmielewski TL, Fink C, Diermeier T, Rothrauff BB, et al. Return to sport after anterior cruciate ligament injury: Panther Symposium ACL Injury Return to Sport Consensus Group. J ISAKOS. 2021;6(3):138-146. doi:10.1136/jisakos-2020-000495. PMID:34006577. PubMed
Kotsifaki R, Korakakis V, King E, Barbosa O, Maree D, Pantouveris M, et al. Aspetar clinical practice guideline on rehabilitation after anterior cruciate ligament reconstruction. Br J Sports Med. 2023;57(9):500-514. doi:10.1136/bjsports-2022-106158. PMID:36731908. PubMed
Frobell RB, Roos HP, Roos EM, Roemer FW, Ranstam J, Lohmander LS. Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial. BMJ. 2013;346:f232. doi:10.1136/bmj.f232. PMID:23349407. PubMed
Saueressig T, Braun T, Steglich N, Diemer F, Zebisch J, Herbst M, et al. Primary surgery versus primary rehabilitation for treating anterior cruciate ligament injuries: a living systematic review and meta-analysis. Br J Sports Med. 2022;56(21):1241-1251. doi:10.1136/bjsports-2021-105359. PMID:36038357. PMCID:PMC9606531. PubMed
Beard DJ, Davies L, Cook JA, Stokes J, Leal J, Fletcher H, et al. Rehabilitation versus surgical reconstruction for non-acute anterior cruciate ligament injury (ACL SNNAP): a pragmatic randomised controlled trial. Lancet. 2022;400(10352):605-615. doi:10.1016/S0140-6736(22)01424-6. PMID:35988569. PubMed
Phelan N, Rowland P, Galvin R, O’Byrne JM. A systematic review and meta-analysis of the diagnostic accuracy of MRI for suspected ACL and meniscal tears of the knee. Knee Surg Sports Traumatol Arthrosc. 2016;24(5):1525-1539. doi:10.1007/s00167-015-3861-8. PMID:26614425. PubMed
Grindem H, Snyder-Mackler L, Moksnes H, Engebretsen L, Risberg MA. Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: the Delaware-Oslo ACL cohort study. Br J Sports Med. 2016;50(13):804-808. doi:10.1136/bjsports-2016-096031. PMID:27162233. PMCID:PMC4912389. PubMed
Ardern CL, Taylor NF, Feller JA, Webster KE. Fifty-five per cent return to competitive sport following anterior cruciate ligament reconstruction surgery: an updated systematic review and meta-analysis including aspects of physical functioning and contextual factors. Br J Sports Med. 2014;48(21):1543-1552. doi:10.1136/bjsports-2013-093398. PMID:25157180. PubMed
Webster KE, Hewett TE. Anterior Cruciate Ligament Injury and Knee Osteoarthritis: An Umbrella Systematic Review and Meta-analysis. Clin J Sport Med. 2022;32(2):145-152. doi:10.1097/JSM.0000000000000894. PMID:33852440. PubMed
Wasserstein D, Sheth U, Cabrera A, Spindler KP. A Systematic Review of Failed Anterior Cruciate Ligament Reconstruction With Autograft Compared With Allograft in Young Patients. Sports Health. 2015;7(3):207-216. doi:10.1177/1941738115579030. PMID:26131297. PubMed
Murray MM, Fleming BC, Badger GJ, Freiberger C, Henderson R, Barnett S, et al. Bridge-Enhanced Anterior Cruciate Ligament Repair Is Not Inferior to Autograft Anterior Cruciate Ligament Reconstruction at 2 Years: Results of a Prospective Randomized Clinical Trial. Am J Sports Med. 2020;48(6):1305-1315. doi:10.1177/0363546520913532. PMID:32298131. PubMed
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Filbay SR, Dowsett M, Chaker Jomaa M, Rooney J, Sabharwal R, Lucas P, et al. Healing of acute anterior cruciate ligament rupture on MRI and outcomes following non-surgical management with the Cross Bracing Protocol. Br J Sports Med. 2023;57(23):1490-1497. doi:10.1136/bjsports-2023-106931. PMID:37316199. PMCID:PMC10715498. PubMed
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Final next step

Next step

Final next step

Reading about a problem is a starting point. An assessment brings together the history, an examination where needed and any useful tests, and helps you and your clinician decide what to do next. How much physical examination is needed is a matter of clinical judgement. It may be limited when pain makes an examination unreliable, or when imaging clearly shows a problem that matches the symptoms, such as a fracture seen on an X-ray or an MRI scan that clearly shows an injury consistent with the symptoms. The Singapore Medical Council and the UK General Medical Council both allow remote medical consultations, where a physical examination is not possible, with safeguards: the doctor must be clear about the limits of an opinion formed without an examination, and whether an in-person examination is needed, or referral to other services, is left to the clinical judgement of the attending doctor.

Signs that need urgent help

Some symptoms should not wait for a routine appointment. Each item below says where to go.

After an injury

The kneecap has slipped out of place and is still out, or the knee looks deformed. Go to an emergency department. If the kneecap went back into place by itself, arrange an early assessment.
The leg looks twisted or bent, a bone is showing, there is a deep cut, or the foot or leg turns cold, pale, numb, blue or white. Go to an emergency department or call 995.
You cannot lift your leg up with the knee kept straight, and you may feel a gap just above or just below the kneecap. Arrange an urgent same-day assessment.

At any time

The knee is stuck and will not straighten, or it is very painful and you cannot move it or put weight on it. Arrange an urgent same-day assessment.
The knee is suddenly very painful, hot, red and swollen, especially with a fever or feeling generally unwell. Go to an emergency department or call 995.
One calf or thigh is newly painful and swollen. Arrange an urgent same-day assessment. If you also feel short of breath or have chest pain, call 995.

After knee surgery

The operated knee becomes more painful, swollen or red, a wound is leaking, or you develop a fever. Contact your surgical team straight away. If you cannot reach them the same day, go to an emergency department. If you feel very unwell, go to an emergency department. If you are short of breath or have chest pain, call 995.

If you are admitted by the doctor at the urgent care centre of one of these private hospitals, the Parkway Pantai hospitals (Mount Elizabeth Orchard, Mount Elizabeth Novena, Gleneagles and Parkway East), Farrer Park Hospital and Thomson Medical Centre, you may ask for Dr Sean Leo to be your attending orthopaedic surgeon. If you are instead discharged and referred for orthopaedic follow-up, you may contact the clinic to arrange an appointment. Both are subject to the hospital’s admission processes and to Dr Leo’s availability.

Arrange a knee assessment

Explore knee treatment options

Arrange a consultation

Appointments are arranged through the OrthoSports clinic team. Send your details below, or message or call the clinic.

Leave your details and the clinic team will reply to arrange a time.

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Call Orthosports@Novena

6734 8168 9633 5565

38 Irrawaddy Road, #10-41 Mount Elizabeth Novena Specialist Centre, Singapore 329563 Map for Orthosports@Novena (opens Google Maps)

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Call Orthosports@Connexion

6435 0015 9088 8051

1 Farrer Park Station Road, #15-17 Connexion, Singapore 217562 Map for Orthosports@Connexion (opens Google Maps)

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WhatsApp is for clinic enquiries only. It is not an emergency service and is not monitored for urgent care. Website or messaging contact is not an emergency-response service. For a medical emergency, use your local emergency service.

OrthoKinetics does not provide emergency or urgent care through this webpage or its WhatsApp contact.