Elbow Dislocation: Treatment and Recovery

Elbow dislocation represents a significant traumatic injury that occurs when the articular surfaces of the humerus, radius, and ulna lose their normal alignment. This condition is considered an orthopedic emergency due to the potential damage to neurovascular structures and the need for timely reduction to prevent long-term complications. The elbow is the second most frequently dislocated joint in the human body, after the shoulder, and its anatomical complexity makes recovery a path that requires attention and targeted rehabilitation. A thorough understanding of its anatomy, causes, symptoms, treatment and rehabilitation options is fundamental for optimal recovery and to minimize the risk of complications.

Table of Contents

• Elbow Anatomy
• Classification
• Mechanism and Causes
• Symptoms
• Diagnosis
• Treatment
• Rehabilitation
• Prevention
• Complications
• Prognosis
• Recovery Times
• Frequently Asked Questions (FAQ)
• Frequently Asked Questions
• Sources and Scientific References

Elbow Anatomy

The elbow is a complex joint that connects the arm to the forearm, allowing movements of flexion, extension, and forearm rotation (pronation-supination). It consists of three main bones and three joints that work in synergy.

Elbow Bones

• Humerus: The arm bone. Its distal end features two condyles, the capitellum (lateral) which articulates with the radius and the trochlea (medial) which articulates with the ulna. Above the trochlea are the coronoid fossa anteriorly and the olecranon fossa posteriorly, which respectively accommodate the coronoid process and the olecranon of the ulna during movements.
• Ulna: The medial bone of the forearm. Its proximal end is characterized by the olecranon (the tip of the elbow) and the coronoid process, which form the large trochlear notch, articulating with the trochlea of the humerus.
• Radius: The lateral bone of the forearm. Its cylindrical proximal head articulates with the capitellum of the humerus and the radial notch of the ulna.

Elbow Joints

The elbow is actually an articular complex composed of three distinct joints within a single articular capsule:

• Humeroulnar Joint: A hinge joint between the trochlea of the humerus and the trochlear notch of the ulna. It is primarily responsible for flexion and extension movements.
• Humeroradial Joint: A condyloid joint between the capitellum of the humerus and the head of the radius. It contributes to flexion-extension and pronation-supination.
• Proximal Radioulnar Joint: A pivot joint between the head of the radius and the radial notch of the ulna. It is fundamental for pronation-supination movements of the forearm.

Ligaments and Articular Capsule

Elbow stability is ensured by a robust articular capsule and a system of collateral ligaments:

• Articular Capsule: A fibrous membrane that encloses all three joints, containing synovial fluid and contributing to stability.
• Medial Collateral Ligament (MCL): Located on the inner side of the elbow, it is composed of three bundles (anterior, posterior, and transverse). It is the primary stabilizer against valgus forces (which tend to push the forearm outward).
• Lateral Collateral Ligament (LCL): Located on the outer side of the elbow, it is a complex that includes the radial collateral ligament, the lateral ulnar collateral ligament, and the annular ligament. It is the primary stabilizer against varus forces (which tend to push the forearm inward) and against posterolateral rotatory subluxation.
• Annular Ligament: Surrounds the head of the radius, holding it firmly in the radial notch of the ulna and allowing rotation for pronation-supination.

Muscles and Nerves

Numerous muscles surround the elbow, enabling movements and contributing to dynamic stability. Among the most important are the biceps brachii and brachialis (flexors), and the triceps brachii (extensor). The main nerves that cross the elbow region are the median nerve, the ulnar nerve, and the radial nerve, all vulnerable to injury or compression in case of dislocation.

The complex interaction of these bony, articular, ligamentous, and muscular structures makes the elbow a robust joint but susceptible to severe injuries in cases of high-energy trauma, such as dislocation.

Classification

Elbow dislocations can be classified based on the presence or absence of associated fractures and the direction of displacement of the forearm bones relative to the humerus. This classification is crucial for determining the treatment plan and prognosis.

Simple dislocation

• Definition: Occurs when there are no associated bone fractures. The forearm bones (radius and ulna) dislocate from the humerus without significant ruptures of the bone structures.
• Associated injuries: Always involves an injury to the collateral ligaments (often both medial and lateral) and the articular capsule. The severity of the ligamentous injury can vary, but it is sufficient to compromise joint stability.
• Post-reduction stability: Generally, after reduction (repositioning of the bones), the joint tends to be stable, especially if the ligaments are not completely torn or if the capsule has maintained some integrity. Stability is assessed clinically and radiographically.
• Prognosis and treatment: The prognosis is usually good with conservative treatment that emphasizes early mobilization. The goal is to restore mobility and strength without incurring stiffness.

Complex dislocation

• Definition: Characterized by the presence of one or more bone fractures associated with the dislocation. These fractures can affect the radial head, the coronoid process of the ulna, or the olecranon.
• Terrible triad: A particularly severe form of complex dislocation that includes elbow dislocation, radial head fracture, and fracture of the coronoid process of the ulna. This combination of injuries makes the elbow extremely unstable and difficult to treat.
• Residual instability: Due to fractures and extensive ligamentous injuries, complex dislocations frequently present residual instability even after reduction. This can compromise long-term functionality.
• Treatment: Often requires surgical treatment to stabilize the fractures and repair damaged ligaments. The intervention aims to restore anatomy and joint stability to allow effective rehabilitation.

In addition to this main classification, dislocations can be further described based on the direction of displacement of the ulna and radius relative to the humerus:

• Posterior: The most common form (about 90% of cases), where the forearm moves posteriorly relative to the humerus.
• Anterior, Medial, Lateral or Divergent: Much rarer and often associated with specific traumatic mechanisms and more extensive injuries.

Correct classification is the first step for an adequate therapeutic approach and to inform the patient about recovery expectations.

Mechanism and Causes

Elbow dislocation is almost always the result of high-energy trauma. Understanding the injury mechanism is fundamental for diagnosis and for anticipating associated injuries.

Most frequent mechanism: Fall on outstretched hand

This is the most common and typical mechanism. It occurs when a person falls and attempts to cushion the impact with the hand, keeping the arm extended or slightly flexed. The force of impact is transmitted along the forearm to the elbow, generating a combination of forces that lead to dislocation:

• Axial loading: The force is transmitted along the axis of the bone.
• Valgus force: Often, the fall occurs with the forearm in a position that creates an outward pushing force (valgus), stressing the medial collateral ligament.
• Supination and external rotation: The forearm may be in supination or external rotation at the moment of impact, which can favor a posterolateral rotatory dislocation, the most common form of posterior dislocation.
• Hyperextension: The impact can cause forced hyperextension of the elbow, leading to rupture of the anterior articular capsule and collateral ligaments, allowing the ulna and radius to slide posteriorly relative to the humerus.

Other causes and traumatic contexts

• Sports:
  • Gymnastics: Falls from apparatus or during acrobatic exercises.
  • Martial arts and wrestling: Falls or submission techniques that apply abnormal forces to the elbow.
  • Skateboarding and wheeled sports: High-speed falls or from elevated heights.
  • Soccer and other contact sports: Accidental falls or direct impacts.
  • Rock climbing: Falls with the arm extended or impacts against hard surfaces.
• Motor vehicle accidents: Direct impacts on the elbow or indirect trauma due to sudden deceleration, such as the arm hitting the dashboard or other surfaces.
• Falls from height: High-energy trauma that can cause complex dislocations with multiple fractures.
• Direct trauma: A direct and violent blow to the elbow can cause a dislocation, although this is less common compared to the indirect mechanism of falling on the hand.

Predisposing factors

Although elbow dislocation is predominantly an acute traumatic event, some factors can increase susceptibility:

• Ligamentous laxity: Individuals with greater joint flexibility or congenital ligamentous laxity may have a slightly increased risk.
• Previous injuries: A history of previous dislocations or ligamentous injuries to the elbow can weaken the stabilizing structures, making recurrence more likely.
• Muscle weakness: Poor muscle strength around the elbow can reduce the dynamic stability of the joint.

Regardless of the specific cause, elbow dislocation is a painful and disabling event that requires immediate medical attention.

Symptoms

The symptoms of an elbow dislocation are generally obvious and manifest immediately after the trauma. Recognizing them is crucial to act promptly and seek medical assistance.

• Intense and immediate elbow pain: This is the most prominent and often unbearable symptom. The pain is acute and localized in the elbow area, sometimes radiating to the forearm or arm. It is caused by soft tissue rupture, nerve stretching, and dislocation of articular surfaces.
• Obvious deformity (the elbow appears “out of place”): This is a distinctive feature of dislocation. The elbow may appear unnaturally angled, with bone prominences visible or palpable in abnormal positions. The forearm may appear shorter or longer than normal, or rotated unusually. This deformity is the direct result of bone displacement.
• Rapid swelling: Immediately after trauma, blood accumulation (hemarthrosis) and inflammatory fluid occurs within and around the joint. This leads to significant swelling that can progressively increase in the following hours, making palpation and examination more difficult.
• Inability to move the elbow: Pain and mechanical dislocation prevent any attempt at active or passive elbow movement. The patient often supports the injured arm with the other hand, in an antalgic position (that relieves pain), usually with the elbow slightly flexed.
• Possible tingling or numbness of the hand (nerve compression): Due to the proximity of the main nerves (median, ulnar, radial) to the elbow joint, dislocation can cause their stretching, compression, or, in rare cases, injury. This can manifest as tingling (paresthesia), numbness (hypoesthesia), or muscle weakness in the hand or fingers, depending on the nerve involved. It is a sign of potential neurological complication and requires immediate attention.
• Pallor or coldness of the hand (vascular compromise): Although less common, a severe dislocation can compress or damage the main blood vessels (brachial artery) that supply the forearm and hand. This can lead to signs of ischemia, such as pallor, coldness, absence of radial or ulnar pulse, and ischemic pain. This is an extremely serious complication that requires emergency surgical intervention to restore blood flow.

It is an orthopedic emergency that requires prompt reduction (repositioning of articular surfaces). Speed of intervention is crucial not only to relieve pain, but also to prevent permanent damage to nerves and blood vessels and to reduce the risk of complications such as joint stiffness.

Diagnosis

The diagnosis of elbow dislocation is based on careful clinical evaluation and the use of imaging techniques. The goal is to confirm the dislocation, identify any associated fractures, and assess the presence of neurovascular injuries.

Medical History and Clinical Examination

• Medical history: The doctor will gather detailed information about the trauma mechanism (e.g., fall on outstretched hand), pain intensity, symptom onset, and the presence of any pre-existing conditions.
• Inspection: Obvious elbow deformity, swelling, any bruising, and the antalgic position of the limb will be observed.
• Palpation: With gentleness, the doctor will palpate the bony structures around the elbow to identify points of maximum pain, crepitus (which may indicate fractures), and the abnormal position of the bones.
• Neurovascular assessment: This is a critical step and must be performed before and after reduction.
  • Nerves: Sensation and motility of the hand and fingers will be evaluated to exclude injuries to the median, ulnar, and radial nerves. The patient will be asked to move the fingers and report any tingling or numbness.
  • Blood vessels: Radial and ulnar pulse will be checked to ensure there is no compromise of blood flow. The color and temperature of the hand will also be evaluated.
• Mobility assessment: Due to pain and deformity, assessment of active and passive mobility is often limited and is not forced before reduction.

Imaging Studies

• X-rays (Radiographs): These are the first-line and indispensable examination. Anteroposterior (AP) and lateral projections of the elbow are performed. X-rays confirm the dislocation, identify its direction, and, most importantly, reveal the presence of associated fractures (e.g., radial head, coronoid process, olecranon). They are also essential after reduction to confirm correct repositioning and absence of initially undiagnosed fractures.
• Computed Tomography (CT): In case of suspected complex fractures or for better visualization of bone fragments, particularly in complex dislocations (e.g., terrible triad), a CT can provide detailed three-dimensional images. It is useful for planning potential surgical intervention.
• Magnetic Resonance Imaging (MRI): It is not usually necessary in the acute phase for dislocation diagnosis, but may be useful later to assess the extent of soft tissue injuries (ligaments, capsule, tendons) if post-reduction stability is questionable or if severe ligamentous injuries not evident on X-rays are suspected.

Differential Diagnosis

It is important to distinguish elbow dislocation from other conditions that may present similar symptoms, although deformity is usually pathognomonic:

• Elbow fractures without dislocation: For example, isolated fractures of the olecranon or radial head.
• Subluxation: A partial dislocation, where articular surfaces are still partially in contact.
• Severe sprain: A ligamentous injury without loss of contact between articular surfaces.

The combination of a thorough medical history, comprehensive clinical examination, and appropriate imaging allows for accurate diagnosis and the establishment of the most effective treatment.

Treatment

Treatment of elbow dislocation varies significantly depending on whether it is a simple or complex dislocation. The primary goal is to restore joint anatomy, stabilize the elbow, and allow early rehabilitation to recover functionality.

Reduction (Acute Treatment)

Reduction is the maneuver to reposition the dislocated articular surfaces. It is the first and most urgent step in treating any elbow dislocation.

• Performed in the emergency department, under sedation: Due to intense pain and muscle tension, reduction is almost always performed in a controlled environment, with the patient under conscious sedation or general anesthesia, to ensure muscle relaxation and minimize pain.
• Traction-counter-traction maneuver: The most common technique involves applying axial traction to the forearm while an assistant applies counter-traction to the arm. The doctor can then apply gentle flexion, supination, and direct pressure maneuvers to guide the olecranon and radial head into their anatomical position. An audible or palpable “clunk” or “pop” often indicates successful reduction.
• Post-reduction radiographic control: Immediately after the maneuver, new X-rays are taken to confirm correct bone repositioning and to exclude the presence of fractures that may have occurred during the dislocation or reduction itself.
• Stability assessment after reduction: Once the elbow is reduced, the doctor will assess joint stability through controlled range of motion. This is crucial for determining the subsequent treatment plan. If the elbow is unstable in a functional range of motion, surgical intervention may be necessary.
• Neurovascular re-evaluation: It is essential to repeat the neurovascular examination after reduction to ensure there are no new injuries or that any pre-existing compressions have been relieved.

Post-reduction (Simple Dislocation – Conservative Treatment)

For simple dislocations, treatment is predominantly conservative, with strong emphasis on early mobilization.

• Brace or cast for 1-2 weeks (no longer to avoid stiffness): Initially, after reduction, the elbow is immobilized in a brace or cast for a short period. The goal is to provide comfort, reduce pain, and allow an initial healing phase of soft tissues. However, it is crucial that this immobilization be of short duration (generally no more than 7-14 days) to prevent joint stiffness, a very common complication in the elbow. The immobilization position is usually at 90° of flexion with the forearm in neutral or slightly pronated position.
• Early mobilization: beginning active exercises within 7-14 days of reduction: This is the cornerstone of conservative treatment. As soon as pain allows and stability is confirmed, a program of active and assisted exercises begins. The goal is to recover complete range of motion as quickly as possible, without forcing.
• Early mobilization is the most important prognostic factor: Numerous studies have shown that early initiation of active mobilization is the most determining factor for a good functional outcome and for preventing chronic elbow stiffness. The patient must be instructed to perform gentle and controlled exercises, avoiding movements that cause acute pain or instability.
• Pain and swelling management: The use of non-steroidal anti-inflammatory drugs (NSAIDs), ice, and compression can help manage pain and swelling in the early stages.

Surgical Treatment (Complex Dislocation and Persistent Instability)

Surgical treatment is indicated for complex dislocations (with associated fractures) and for simple dislocations that remain unstable after reduction or that cannot be reduced with conservative techniques.

• Ligament repair or reconstruction: If the collateral ligaments (particularly the LCL and sometimes the MCL) are severely damaged or completely torn, they can be directly repaired (sutured) or, in cases of extensive or chronic damage, reconstructed using tendon grafts. The goal is to restore the ligamentous stability of the elbow.
• Internal fixation of associated fractures: Fractures of the radial head, coronoid process, or olecranon must be surgically stabilized.
  • Radial head fracture: May require fixation with screws, excision of fragments (if small and not essential for stability), or, in severe cases, prosthetic replacement of the radial head.
  • Coronoid fracture: Crucial for anterior elbow stability. Significant coronoid fractures are fixed with screws or sutures.
  • Olecranon fracture: Often requires fixation with plates and screws or tension band wiring.
• Application of articulated external fixator in cases of severe instability: In situations of extreme instability, especially after complex dislocations or in case of ligamentous repair failure, an articulated external fixator may be applied. This device stabilizes the elbow externally, while allowing controlled and protected range of motion, promoting soft tissue healing and preventing stiffness.
• Post-surgical management: After surgery, the elbow is often immobilized for a longer period compared to simple dislocations, but early mobilization remains a fundamental goal, often facilitated by the use of articulated braces that allow controlled movement.

The choice between conservative and surgical treatment is complex and depends on numerous factors, including the type of dislocation, the presence and severity of associated fractures, post-reduction stability, patient age, and activity level. The decision is made by the orthopedic surgeon in collaboration with the patient.

Rehabilitation

Rehabilitation is a critical and prolonged component of recovery from an elbow dislocation, whether simple or complex. The goal is to restore full functionality, strength, and stability, minimizing the risk of complications such as stiffness. The program is progressive and personalized, guided by a physical therapist.

Phase 1 — Protection and early mobilization (weeks 1-3)

This phase begins immediately after reduction (or surgical intervention) and focuses on joint protection and initiation of gentle movement to prevent stiffness.

• Articulated brace: Often an articulated brace with full extension block is prescribed. This brace allows controlled range of motion (e.g., flexion from 30° to 90°), while protecting healing tissues and preventing hyperextension that could cause re-dislocation. Extension progression will be gradual and guided by the physical therapist.
• Active flexion-extension: Active and gentle flexion and extension exercises of the elbow, performed within the range of motion allowed by the brace and without pain. Recommended 3-4 times daily, 10-15 repetitions. The goal is to maintain mobility and prevent adhesions.
• Active pronation-supination if tolerated: If stability allows and does not cause pain, active forearm rotation exercises (palm up and palm down) can be started.
• Wrist and finger mobilization: It is essential to maintain mobility of nearby joints to prevent stiffness and promote circulation. Exercises of flexion, extension, radial/ulnar deviation of the wrist and complete finger movements are encouraged.
• Cryotherapy for swelling: Application of ice packs (cryotherapy) for 15-20 minutes several times daily helps reduce pain and swelling.
• Pain management: The use of non-steroidal anti-inflammatory drugs (NSAIDs) or analgesics, as prescribed by the doctor, is important to allow the patient to actively participate in rehabilitation.

Phase 2 — Mobility recovery (weeks 3-8)

In this phase, attention shifts to progressive recovery of the entire range of motion, always with caution and without forcing.

• Extension progression in articulated brace: The extension block in the brace is gradually removed or increased, allowing the elbow to extend more and more. This process is slow and monitored to avoid excessive stress on healing ligaments.
• Active stretching in flexion and extension: Active and self-assisted stretching exercises are introduced to improve flexion and extension. For example, the patient can use the other hand to gently assist the movement.
• Pronation-supination with stick: To improve forearm rotation, exercises with a stick can be used, holding it with both hands and rotating the forearm.
• Exercises in warm water (hydrotherapy): The aquatic environment reduces gravitational load and heat helps relax muscles and increase flexibility, making movements easier.
• Avoid forced passive mobilizations: It is crucial to avoid manipulations or forced passive stretching by the therapist, as this could irritate the joint, increase inflammation, and even cause new dislocation or development of heterotopic calcifications.
• Goal: functional arc 30-130°: The primary goal is to achieve a functional range of motion, generally considered between 30° of extension and 130° of flexion. This range is sufficient for most daily activities.

Phase 3 — Strengthening (weeks 8-12)

Once a good portion of mobility is recovered, focus begins on muscle strengthening to dynamically stabilize the joint.

• Strengthening biceps and triceps with light weights: Progressive strengthening exercises are introduced for the elbow flexor muscles (biceps, brachialis) and extensors (triceps), using light weights, elastic bands, or machines.
• Strengthening wrist flexors and extensors: Forearm muscles are important for elbow stability and hand functionality. Exercises with light weights or elastic bands for wrist flexors and extensors.
• Progressive grip exercises: Improve grip strength through the use of stress balls, tongs, or specific tools.
• Upper extremity proprioception (hand support): Exercises that improve awareness of elbow position in space and muscle coordination. For example, gradual weight bearing on hands (on a table, then on the ground), balance exercises on unstable surfaces.
• Closed kinetic chain exercises: Exercises where the hand is fixed on a surface (e.g., push-ups against a wall) are useful for functional strengthening and proprioception.

Phase 4 — Return to activities (from 3 months)

This phase aims for gradual return to daily, work, and sports activities, with a focus on preventing recurrence.

• Progressive strengthening: Continuation and intensification of strengthening exercises, increasing loads and exercise complexity.
• Functional and sports activities: Gradual introduction of activities specific to the patient’s work or sport. This may include simulations of specific movements.
• Non-contact sports: 3 months: For sports that do not involve physical contact or high loads on the elbow (e.g., running, light swimming), return can occur after about 3 months, provided strength and mobility are adequate.
• Contact sports: 4-6 months: For sports that involve greater risk of impact or falls (e.g., soccer, rugby, martial arts, weightlifting), return is slower and requires complete recovery of strength, stability, and confidence. May require 4-6 months or more.
• Prevention education: The patient is instructed on how to protect the elbow, recognize warning signs, and continue a maintenance program for strength and flexibility.

The entire rehabilitation process requires patience, consistency, and close collaboration between the patient, doctor, and physical therapist. Each phase must be successfully completed before moving to the next, and the program must be adapted to individual needs and patient response.

Prevention

Prevention of elbow dislocations, although not always possible given the traumatic nature of the injury, focuses on reducing risk factors and adopting protective behaviors.

Fall Prevention

Since falling on an outstretched hand is the most common mechanism, fall prevention is fundamental:

• Safe home environment: Remove slippery rugs, ensure good lighting, install handrails in bathrooms and on stairs, and keep floors clear of obstacles.
• Caution on slippery surfaces: Pay particular attention on ice, snow, wet or irregular floors. Use appropriate footwear with good traction.
• Balance and coordination improvement: Specific balance exercises (e.g., tai chi, yoga) can reduce the risk of falls, especially in the elderly.

Techniques and Protective Equipment in Sports

For athletes, prevention can include:

• Learning safe falling techniques: In sports like gymnastics, martial arts, or wrestling, learning to fall correctly can distribute impact and protect joints.
• Use of protective equipment: In some sports, the use of elbow protection can offer some degree of protection against direct impacts, although it does not completely prevent dislocations from hyperextension or torsion.
• Adequate warm-up: Preparing muscles and joints for physical activity can improve flexibility and muscle reactivity.

Muscle Strengthening and Flexibility

A strong and flexible elbow is less susceptible to injuries:

• Strengthening exercises: Maintaining good strength in the muscles surrounding the elbow (biceps, triceps, forearm muscles) can improve the dynamic stability of the joint.
• Flexibility exercises: Maintaining a good range of motion of the elbow and surrounding joints can help prevent injuries from excessive stress.

Awareness and Activity Modification

• Listen to your body: Avoid pushing the elbow beyond its limits, especially after a previous injury.
• Activity modification: If pain or instability is felt, it is advisable to modify or discontinue activities that aggravate symptoms and consult a healthcare professional.

Although there is no foolproof prevention, adopting these measures can help reduce the risk of elbow dislocations and promote general joint health.

Complications

Despite adequate treatment and rehabilitation, elbow dislocations can lead to several complications, some of which can compromise long-term functional recovery.

• Stiffness (30-50% of cases): This is the most common and often most frustrating complication. It manifests as a loss of movement, particularly a reduction in complete elbow extension.
  • Causes: Prolonged inflammation, formation of scar tissue within and around the joint, prolonged immobilization, or development of heterotopic calcifications.
  • Management: Early mobilization is the best prevention. If stiffness persists, intensive physical therapies, dynamic braces, or, in severe cases, surgical lysis of adhesions (arthrolysis) may be helpful.
• Chronic instability: Occurs when damaged ligaments do not heal adequately or are insufficiently repaired, leaving the elbow susceptible to subluxations or new dislocations.
  • Causes: Severe ligamentous injuries not recognized or not treated, surgical repair failure, or inadequate rehabilitation.
  • Management: Often requires surgical ligament reconstruction to restore stability.
• Heterotopic calcifications: These are abnormal bone formations in soft tissues around the elbow joint (capsule, muscles, ligaments).
  • Causes: High-energy trauma, prolonged immobilization, forced passive mobilization, or individual predisposition.
  • Symptoms: Pain, swelling, and progressive loss of movement.
  • Management: Prevention with early mobilization and sometimes drugs (NSAIDs) or low-dose radiotherapy. If severe, they may require surgical excision.
• Ulnar nerve neuropathy: The ulnar nerve, which passes in the epicondylar-olecranon groove (the “funny bone”), is particularly vulnerable to injury or compression after a dislocation or during the healing process.
  • Symptoms: Tingling, numbness, or weakness in the 4th and 5th finger of the hand.
  • Management: Initially conservative (rest, nighttime brace). If symptoms persist or worsen, surgical nerve decompression may be necessary (neurolysis or transposition).
• Post-traumatic arthritis: Long-term, damage to articular cartilage or alteration of elbow biomechanics following dislocation can lead to the development of arthritis.
  • Causes: Direct cartilage damage at the time of trauma, chronic instability, or alteration of joint alignment.
  • Symptoms: Chronic pain, stiffness, and progressive functional limitation.
  • Management: Initially conservative (physiotherapy, medications). In advanced cases, surgical options such as arthroscopy or arthroplasty may be considered.
• Recurrent dislocation: Unlike the shoulder, recurrent elbow dislocation is rare (< 5%). However, it can occur in the presence of significant residual ligamentous instability, especially if not adequately treated.
  • Causes: Failure of collateral ligaments to heal or insufficient repair, particularly the LCL.
  • Management: Often requires surgical ligament reconstruction.

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• Vascular injuries: Although rare, brachial artery injuries can be a devastating complication, leading to limb ischemia if not treated immediately.

Awareness of these potential complications is important for the patient and medical team, to carefully monitor recovery and intervene promptly if necessary.

Prognosis

The prognosis after an elbow dislocation depends on numerous factors, including the type of dislocation (simple or complex), the presence of associated fractures, the extent of ligamentous injuries, the timeliness and adequacy of treatment, patient compliance with rehabilitation and age.

Factors affecting prognosis

• Type of dislocation: Simple dislocations generally have a better prognosis and shorter recovery times compared to complex dislocations.
• Associated fractures: The presence of fractures, especially those that compromise stability (e.g., coronoid or radial head fracture), worsens the prognosis and increases the risk of complications such as stiffness and instability. The “terrible triad” has the most guarded prognosis.
• Ligamentous injuries: The extent of damage to the collateral ligaments affects residual stability and the risk of chronic instability.
• Timeliness of reduction: Rapid reduction reduces the risk of neurovascular complications and stiffness.
• Quality of treatment: Accurate surgical treatment (if necessary) and a well-structured rehabilitation program are fundamental for a good outcome.
• Early mobilization: As already mentioned, early initiation of active mobilization is the most important factor for preventing stiffness and improving functional recovery.
• Patient age: Younger patients tend to recover more quickly and completely, although they are at higher risk of heterotopic calcifications.
• Patient compliance: Active and consistent patient participation in the rehabilitation program is essential.

Long-term functional recovery

Most patients recover a functional range of motion sufficient for daily and work activities. However, a slight loss of extension (5-15°) is common, which rarely limits activities. Muscle strength usually returns to pre-injury levels, but may require months of strengthening.

Complications such as stiffness, chronic instability, or post-traumatic arthritis can affect long-term quality of life and, in some cases, require further interventions. It is important that patients are aware of these possibilities and maintain follow-up with their doctor and physical therapist.

In summary, while elbow dislocation is a serious injury, with an adequate therapeutic and rehabilitation approach, most patients can expect good functional recovery.

Recovery Times

Recovery times for an elbow dislocation are variable and depend largely on the complexity of the injury and individual response to rehabilitation. The timeframes reported below are indicative and can vary significantly.

It is important to emphasize that:

• Functional mobility: Refers to achieving a range of motion sufficient for most activities of daily living (generally 30-130° of flexion-extension). Complete recovery of extension may take longer or may never be fully achieved.
• Return to sports: Depends on the type of sport. Non-contact or low-impact sports can be resumed earlier. Contact sports or those requiring high loads on the elbow require complete recovery of strength, stability, and confidence.
• Complete recovery: Recovery of full strength and endurance may take up to 6-12 months, and in some cases, the elbow may never return exactly as it was before the injury.
• Individuality: Each patient is different. Age, general health status, motivation, and compliance with the rehabilitation program significantly influence recovery times.

Frequently Asked Questions (FAQ)

Frequently Asked Questions

Can the elbow dislocate again?

Recurrence of an elbow dislocation is possible, particularly if the initial injury involved significant ligamentous damage or if rehabilitation protocols are not fully adhered to. Consistent engagement with a physical therapist and adherence to protective measures are crucial for minimizing this risk.

Will I recover full movement?

The primary objective of rehabilitation is to restore the full range of motion in the affected elbow. While many individuals achieve significant functional recovery, the extent of complete movement restoration can depend on the severity of the initial injury and diligent participation in physical therapy.

When can I return to work?

The appropriate time to return to work is highly individualized, depending on the demands of the occupation and the progress of the elbow’s recovery. A physical therapist or treating physician will provide specific recommendations based on the elbow’s functional status and the nature of the work tasks.

What are the signs of a complication requiring medical attention?

Signs that may indicate a complication include persistent or escalating pain, increased swelling, new or worsening numbness or tingling in the hand or fingers, or any noticeable deformity of the elbow. These symptoms necessitate immediate medical evaluation to ensure timely and appropriate intervention.

Sources and Scientific References

1. Armstrong A (2015). Simple Elbow Dislocation. Hand Clin. 31:521-31. DOI | PubMed
2. Jaggi A et al. (2010). Rehabilitation for shoulder instability. Br J Sports Med. 44:333-40. DOI | PubMed
3. Hopewell S et al. (2021). Progressive exercise compared with best practice advice, with or without corticosteroid injection, for the treatment of patients with rotator cuff disorders (GRASP): a multicentre, pragmatic, 2 × 2 factorial, randomised controlled trial. Lancet. 398:416-428. DOI | PubMed
4. Khiami F et al. (2015). Management of recent first-time anterior shoulder dislocations. Orthop Traumatol Surg Res. 101:S51-7. DOI | PubMed
5. Boström Windhamre H et al. (2022). No difference in clinical outcome at 2-year follow-up in patients with type III and V acromioclavicular joint dislocation treated with hook plate or physiotherapy: a randomized controlled trial. J Shoulder Elbow Surg. 31:1122-1136. DOI | PubMed