How long does patellar dislocation recovery take?

First-time patellar dislocation managed conservatively: 6 to 8 weeks with a brace for the first 2 weeks, walking usually possible within a few days after reduction. MPFL reconstruction surgery for recurrent dislocation: 6 to 9 months for return to sport with structured rehabilitation.

Can a dislocated kneecap heal without surgery?

A first-time patellar dislocation can be treated non-surgically in most cases — closed reduction, 2 weeks of bracing, and physiotherapy to strengthen the VMO and hip abductors that stabilise the patella. However, recurrent dislocation (which occurs in 15–44% of first-time cases) requires MPFL reconstruction to restore the primary restraint and prevent ongoing instability and cartilage damage.

What causes a kneecap to keep dislocating?

Recurrent patellar dislocation is caused by tear of the MPFL (medial patellofemoral ligament) combined with underlying anatomical risk factors: trochlear dysplasia (shallow groove), patella alta (high-riding kneecap), elevated TT-TG distance (laterally placed tibial tubercle), and generalised ligamentous laxity. These factors allow the kneecap to repeatedly slide out of its groove with minimal force.

Patellar Dislocation Treatment Jaipur — Dislocated Kneecap MPFL Reconstruction | Dr. Harish Talreja

Q: Does patellar dislocation need surgery?

A first-time patellar dislocation is typically treated conservatively — closed reduction, bracing and physiotherapy. Surgery is recommended for recurrent patellar dislocation (two or more episodes), significant osteochondral injury at the time of dislocation, or failed conservative management with ongoing instability. MPFL reconstruction is the gold standard surgical treatment for recurrent patellar instability.

Q: What is MPFL reconstruction?

MPFL (medial patellofemoral ligament) reconstruction is a surgical procedure to replace the torn MPFL — the primary restraint preventing the kneecap from dislocating laterally. The torn ligament is replaced with a graft tendon and fixed to the patella and femur to restore normal patellar tracking and prevent recurrent dislocation.

Patellar Dislocation Treatment in Jaipur

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Patellar dislocation treatment Jaipur — kneecap dislocation reduction and MPFL reconstruction by Dr Harish Talreja

Kneecap Dislocation · MPFL Reconstruction · Jaipur

Patellar Dislocation Treatment in Jaipur

A dislocated kneecap is one of the most alarming knee injuries — the patella visibly displaces to the outer side, causing immediate severe pain and the inability to move the knee. For some patients it happens once; for others it becomes a recurring problem that requires surgical correction.

Dr. Harish Talreja is an experienced orthopaedic specialist in Jaipur treating patellar dislocation at every stage — from acute closed reduction and rehabilitation to MPFL reconstruction for recurrent instability — at Manipal Hospital Jaipur.

Same DayReduction Available

6–8 WksFirst-Time Recovery

6–9 MthsPost-MPFL Surgery

5,000+Arthroscopic Cases

Book Appointment Call Now

Patellar dislocation anatomy — kneecap sliding out of trochlear groove laterally

Understanding the Condition

What is Patellar Dislocation?

The patella (kneecap) normally sits in the trochlear groove — a channel on the front of the femur — and glides smoothly up and down as you bend and straighten your knee. Patellar dislocation occurs when the kneecap slides completely out of this groove, almost always laterally (to the outer side).

This is different from patellar subluxation — where the kneecap partially slides out of the groove but does not fully dislocate. Both cause pain and instability, and both tear the MPFL (medial patellofemoral ligament) — the primary restraint preventing lateral kneecap displacement.

Patellar dislocation most commonly affects active teenagers and young adults — particularly females — and is often triggered by a twisting movement or direct blow. After the first dislocation, the risk of recurrence is 15 to 44%, rising to over 50% after a second episode.

What is the MPFL?

The medial patellofemoral ligament (MPFL) is the primary structure preventing the kneecap from dislocating laterally. It runs from the inner edge of the patella to the medial femoral condyle — and is torn in virtually every patellar dislocation episode.

Primary Restraint

Provides 50–60% of total lateral patellar restraint force

Always Torn

MPFL tears in essentially all patellar dislocations

Does Not Self-Heal

Torn MPFL does not reliably reconstitute — causes recurrence

Surgical Target

MPFL reconstruction is the gold standard for recurrent instability

MRI Diagnosis

MPFL tear confirmed on MRI with specific sequences

90%+ Success

MPFL reconstruction restores stability in 90%+ of cases

Conditions Treated

Patellar Conditions We Treat in Jaipur

Dr. Talreja treats the full spectrum of patellar instability at Manipal Hospital Jaipur — from acute first-time dislocation to complex recurrent instability with anatomical risk factors.

Acute First-Time Patellar Dislocation

Kneecap has completely displaced for the first time. Requires prompt closed reduction, MRI assessment for osteochondral injury, and rehabilitation programme to prevent recurrence.

Recurrent Patellar Dislocation

Two or more dislocation episodes. MPFL has failed to heal adequately after the initial tear. MPFL reconstruction is the definitive treatment to restore the primary lateral restraint and prevent further episodes.

Chronic Patellar Instability / Subluxation

The kneecap repeatedly subluxes (partially slips out) without fully dislocating — causing pain, giving way and apprehension during activity. MPFL reconstruction restores reliable patellar tracking.

Patellar Dislocation with Osteochondral Injury

At the time of dislocation, the kneecap or femoral condyle can sustain a cartilage and bone impact injury (osteochondral fracture). These are identified on MRI and addressed arthroscopically — either repair or removal of the fragment.

Trochlear Dysplasia

A shallow or flat trochlear groove predisposes the kneecap to dislocation. Depending on the degree, treatment may involve trochleoplasty (groove deepening) in addition to MPFL reconstruction for the most complex cases.

High TT-TG Distance (Patella Alta / Tibial Tubercle Offset)

An elevated TT-TG distance (>20 mm) means the tibial tubercle is positioned too far laterally, pulling the kneecap out of the groove. Tibial tubercle osteotomy (TTO) may be required alongside MPFL reconstruction in selected cases.

Patellar dislocation causes and risk factors — trochlear dysplasia patella alta TT-TG distance

Why it Happens

Causes & Risk Factors for Patellar Dislocation

Patellar dislocation has two components: a trigger (the injury) and predisposing anatomy (why the kneecap was vulnerable in the first place). Identifying the anatomical risk factors is essential for surgical planning.

Twisting / Pivoting Injury

The most common trigger — a sudden pivot, directional change or twisting movement where the quadriceps pull the kneecap laterally out of its groove.

Female Sex and Adolescence

Patellar dislocation is 2–3 times more common in females, particularly adolescents aged 10–17, due to wider Q-angle, ligamentous laxity and hormonal factors.

Trochlear Dysplasia

A shallow or convex trochlear groove fails to contain the kneecap — the most significant anatomical risk factor for recurrent dislocation. Classified Grade A to D (Dejour classification).

Patella Alta (High Kneecap)

A kneecap that sits higher than normal (elevated Insall-Salvati ratio) engages the trochlear groove later in knee flexion — increasing dislocation risk in near-extension activities.

Elevated TT-TG Distance

When the tibial tubercle is positioned too far laterally relative to the trochlear groove (TT-TG >20 mm on CT), the quadriceps pull vector is directed laterally — persistently subluxing the patella.

Acute Dislocation Symptoms

Symptoms of Patellar Dislocation

Acute patellar dislocation has a very distinctive presentation — patients are typically unable to straighten the knee and the kneecap is visibly displaced to the outer side.

Visible deformity — kneecap displaced laterally

The kneecap is visibly and palpably displaced to the outer (lateral) side of the knee. The knee is held in flexion and the patient cannot straighten it.

Immediate severe pain

Intense, sudden pain at the front and inner side of the knee at the moment of dislocation — caused by MPFL tearing and kneecap displacement.

Rapid swelling (haemarthrosis)

The knee swells rapidly within 1 to 2 hours as blood fills the joint — particularly if there is an associated osteochondral injury from the dislocation impact.

Inability to bend or straighten the knee

The displaced kneecap locks the knee — full flexion and extension are impossible until the patella is reduced back into the groove.

Recurrent Instability Symptoms

Signs of Ongoing Patellar Instability

After the initial dislocation heals, these symptoms indicate ongoing patellar instability that may require surgical correction.

Repeated giving way or dislocation episodes

The kneecap repeatedly slips out — with decreasing levels of provocation over time — as the MPFL fails to reform as a functional restraint.

Patellar apprehension sign

A feeling of anxiety or impending dislocation when the kneecap is manually pushed laterally or during certain movements — the "apprehension sign" on clinical examination.

Anterior knee pain and crepitus

Ongoing pain at the front of the knee, particularly with stairs, squatting or prolonged sitting — often from secondary patellofemoral cartilage damage from repeated instability episodes.

Avoidance of sport and activity

Fear of dislocation causes progressive restriction of sporting and physical activities — one of the most important quality-of-life indicators requiring surgical treatment.

Treatment Options

First-Time vs Recurrent — Different Treatment, Different Goals

The approach to treatment depends entirely on whether this is a first dislocation or a pattern of recurrence. Dr. Talreja assesses each patient individually — with MRI, X-ray and CT scan where needed — to recommend the most appropriate treatment.

🩺 Conservative — First-Time Dislocation

✓

Closed reduction — the kneecap is gently repositioned back into the groove, usually without anaesthesia for acute dislocations

✓

MRI performed after reduction to assess MPFL tear, osteochondral injury and associated damage

✓

Hinged knee brace in extension for 2 to 4 weeks to protect MPFL while healing

✓

Supervised physiotherapy — VMO strengthening, hip abductor strengthening, patellar taping for 6 to 8 weeks

✓

Return to sport at 6 to 8 weeks with physiotherapy clearance and brace support where needed

🔬 Surgical — Recurrent Dislocation

✓

2 or more dislocation episodes — MPFL reconstruction is the gold standard to restore the primary patellar restraint

✓

Significant osteochondral injury at first dislocation — arthroscopic assessment and cartilage treatment required

✓

Elevated TT-TG distance (>20 mm) — tibial tubercle osteotomy (TTO) may be combined with MPFL reconstruction

✓

Significant trochlear dysplasia — trochleoplasty (groove deepening) considered in severe cases

✓

Any young active patient with ongoing instability significantly impacting sport and daily quality of life

Surgical Procedure

MPFL Reconstruction — How it Works

MPFL reconstruction is a minimally invasive procedure to replace the torn medial patellofemoral ligament with a graft tendon — restoring the primary restraint that keeps the kneecap in its groove. The procedure takes 1 to 1.5 hours and most patients go home the same day or the following morning.

MPFL reconstruction surgery for recurrent patellar dislocation at Manipal Hospital Jaipur

The procedure begins with arthroscopic joint assessment — inspecting for and treating osteochondral injuries, loose bodies and cartilage damage before MPFL reconstruction proceeds.

Arthroscopic Assessment

Arthroscope inserted. Joint inspected — osteochondral fragments removed or repaired. Patellar tracking assessed under direct vision with knee moving.

Graft Harvest

Gracilis tendon (hamstring) harvested through a small incision and prepared as the MPFL graft. Allograft used in revision or complex cases.

Patellar Attachment

Graft attached to the medial border of the patella using suture anchors at two points — replicating the anatomic MPFL patellar footprint precisely.

Femoral Fixation

Graft tunnelled subcutaneously and fixed to the femoral MPFL footprint (Schöttle point) at 30–60° knee flexion. Correct tension confirmed arthroscopically before fixation.

Note on TT-TG distance: If the pre-operative CT scan shows a TT-TG distance greater than 20 mm, a tibial tubercle osteotomy (TTO) — moving the bony attachment of the patellar tendon medially — may be performed simultaneously with MPFL reconstruction for the most reliable outcome in that anatomical subgroup.

Rehabilitation

Recovery After Patellar Dislocation Treatment

Recovery depends on the treatment received. First-time conservative management is significantly faster than post-MPFL reconstruction rehabilitation.

Days 1–3

Reduction + First Steps

First-time: walking with crutches within 2 to 3 days of reduction. Brace applied. Ice and elevation. Post-MPFL: walking same day with brace.

Week 2–4

Brace + Physio

Hinged brace continued. Progressive quadriceps (VMO) and hip abductor strengthening. Stationary cycling introduced. Swelling reducing.

Week 6–8

Brace Off / Return to Daily Life

First-time dislocation: return to sport by 6 to 8 weeks. Post-surgery: brace discontinued. Walking normally. Physio progressing to functional exercises.

6–9 Mths

Return to Sport (Post-Surgery)

Post-MPFL reconstruction: return to competitive sport with objective clearance criteria — quadriceps strength, hop tests and patellar apprehension resolved.

Cost Guide

Patellar Dislocation Treatment Cost in Jaipur

A personalised cost estimate is provided after consultation and imaging review. The ranges below are approximate for Manipal Hospital Jaipur.

Patellar Dislocation — Treatment Costs in Jaipur

Costs vary by treatment approach, graft type and associated procedures required.

Consultation + X-ray + MRI₹3,500 – ₹9,000

Closed Reduction + Brace + Physiotherapy₹5,000 – ₹20,000

MPFL Reconstruction (Hamstring Graft)₹80,000 – ₹1,30,000

MPFL + Arthroscopy (Osteochondral Treatment)₹1,00,000 – ₹1,60,000

MPFL + Tibial Tubercle Osteotomy (TTO)₹1,40,000 – ₹2,20,000

Revision MPFL Reconstruction₹1,20,000 – ₹2,00,000

Insurance: MPFL reconstruction and associated procedures are covered by most corporate health plans and government schemes (CGHS, RGHS). The Manipal Hospital Jaipur team assists with pre-authorisation and claims documentation.

Dr Harish Talreja — patellar dislocation and MPFL reconstruction specialist Jaipur Manipal Hospital

Why Choose Dr. Harish Talreja

Patellar Dislocation Specialist in Jaipur

Dr. Harish Talreja provides expert patellar instability assessment — including trochlear morphology, TT-TG distance and MPFL integrity evaluation — and performs MPFL reconstruction and associated procedures at Manipal Hospital Jaipur to restore reliable, lasting kneecap stability.

00K+

Arthroscopic Procedures

15+

Years Experience

90%+

MPFL Surgery Success Rate

Full patellar instability workup — MRI, Merchant-view X-ray and CT for TT-TG distance measurement
Anatomic MPFL reconstruction — precise femoral fixation at Schöttle point for optimal graft tension
Simultaneous arthroscopic osteochondral treatment in same surgical session
TT-TG and trochlear dysplasia assessment — tibial tubercle osteotomy or trochleoplasty where indicated
Life member ISKSAA — dedicated arthroscopy and sports knee surgery training
Advanced training at AIIMS Jodhpur, Medanta Gurgaon, Kasturba Manipal
Consultant Orthopaedic Surgeon — Manipal Hospital Jaipur, NABH-accredited

Dislocated Kneecap — Once or Repeatedly? Get It Fixed Properly

Book a consultation with Dr. Harish Talreja at Manipal Hospital Jaipur for accurate patellar instability assessment and a treatment plan that stops it happening again.

Book Appointment +91-9461509324

Frequently Asked Questions

Patellar Dislocation — Common Questions

Patellar dislocation occurs when the kneecap (patella) slides completely out of the trochlear groove on the front of the femur — almost always laterally (to the outer side). It is caused by a twisting injury, direct blow, or in predisposed individuals by even minor provocation due to anatomical risk factors such as a shallow trochlear groove (trochlear dysplasia), a high-riding patella (patella alta), or a laterally positioned tibial tubercle. The MPFL is torn in virtually every dislocation episode.

First-time patellar dislocation treated conservatively: walking is usually possible within 2 to 3 days after reduction. A brace is worn for 2 to 4 weeks. Full recovery and return to sport typically takes 6 to 8 weeks with physiotherapy. After MPFL reconstruction surgery for recurrent dislocation: brace for 4 to 6 weeks, normal walking by 6 to 8 weeks, return to competitive sport with clearance at 6 to 9 months.

A first-time patellar dislocation is typically treated without surgery — closed reduction, bracing and physiotherapy. Surgery is recommended for recurrent dislocation (two or more episodes), significant osteochondral injury at the time of dislocation, or persistent instability despite conservative treatment. MPFL reconstruction is the gold standard surgical treatment and is highly effective — restoring stability in over 90% of cases.

MPFL (medial patellofemoral ligament) reconstruction is the surgical procedure to replace the torn MPFL — the primary ligament restraining the kneecap from dislocating laterally. The torn ligament is replaced with a graft tendon (usually hamstring) that is attached to the inner edge of the patella and to the femur at the anatomic MPFL footprint. The graft restores the lateral restraint force, normalises patellar tracking, and prevents recurrent dislocation. The procedure is performed arthroscopically or with minimal open incisions as a day surgery case.

A first-time dislocation can be managed non-surgically in most cases — closed reduction, bracing and physiotherapy achieve good recovery. However, the MPFL is torn in every dislocation and does not reliably re-form as a functional restraint. Recurrence occurs in 15 to 44% after a first episode. Patients with recurrent dislocation — or those with significant anatomical risk factors such as trochlear dysplasia or elevated TT-TG distance — should be assessed for MPFL reconstruction to provide lasting stability.

Recurrent patellar dislocation is caused by the combination of a non-healed MPFL tear and underlying anatomical risk factors: trochlear dysplasia (shallow groove that fails to contain the patella), patella alta (high-riding kneecap that engages the groove late), elevated TT-TG distance (laterally placed tibial tubercle pulling the kneecap outward), and generalised ligamentous laxity. These factors collectively allow the kneecap to repeatedly slip out with decreasing levels of force — and explain why surgical correction addressing all relevant factors is needed.

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