Orthopedics focuses on the musculoskeletal system. Learn about the diagnosis, treatment, and rehabilitation of bone, joint, ligament, and muscle conditions.

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Injury and Causes

The necessity for elbow surgery typically arises from one of three categories: acute trauma, chronic overuse, or degenerative disease. The elbow is particularly susceptible to injury because it is a major load bearing link in the upper extremity chain. Forces generated by the hand or shoulder are transmitted through the elbow, placing high stress on its stabilizing structures.

Traumatic injuries usually involve high energy impacts, such as falls or sports collisions. These result in fractures, dislocations, or tendon ruptures that destroy the structural integrity of the joint. Without surgical stabilization, these injuries can lead to chronic instability and rapid joint degeneration.

Chronic overuse injuries are the result of repetitive microtrauma. Over time, the body’s ability to repair tissues is overwhelmed by the rate of damage. This leads to tendinosis, ligament attenuation, and nerve compression. Degenerative causes, such as osteoarthritis or rheumatoid arthritis, involve the systemic or mechanical breakdown of the joint surface itself.

  • Acute fractures from falls or direct impact
  • Traumatic dislocations disrupting ligaments
  • Repetitive stress injuries from sports or labor
  • Systemic inflammatory diseases destroying cartilage
  • Compression neuropathies from anatomical structures

Acute Trauma: Distal Humerus Fractures

ORTHOPEDIC

Fractures of the distal humerus, the bottom part of the upper arm bone, are complex injuries often requiring surgery. These fractures frequently extend into the joint surface, disrupting the smooth hinge mechanism. They are common in high energy trauma in young people or low energy falls in the elderly with weak bone.

Surgery involves Open Reduction and Internal Fixation (ORIF) using plates and screws to reassemble the bone fragments. In elderly patients where the bone is too fragmented to fix, a total elbow replacement may be performed as a primary treatment to allow for immediate movement.

  • Intra articular involvement disrupts joint congruence
  • Comminution (shattering) makes fixation difficult
  • Requirement for dual plating for stability
  • High risk of stiffness post injury
  • Immediate stabilization permits early motion

Acute Trauma: Radial Head Fractures

ORTHOPEDIC

The radial head acts as a bumper in the elbow, preventing the forearm from sliding outward. Fractures here usually occur when falling onto an outstretched hand. While simple cracks can heal without surgery, shattered radial heads require intervention.

Surgery may involve fixing the fragments with tiny screws or, more commonly, removing the broken head and replacing it with a metal prosthesis. This restores the stability of the lateral column of the elbow and prevents chronic wrist pain associated with radial shortening.

  • Result of axial load on an outstretched arm
  • Fixation with mini screws for large fragments
  • Replacement (arthroplasty) for comminuted fractures
  • Critical for valgus stability of the elbow
  • Prevention of proximal radial migration

Acute Trauma: The "Terrible Triad"

The “Terrible Triad” of the elbow is a devastating injury consisting of a posterior elbow dislocation, a radial head fracture, and a coronoid process fracture. This combination strips almost all the stabilizers of the elbow, making it incredibly unstable.

Surgery is mandatory and complex. It involves fixing the fractures, replacing the radial head if necessary, and repairing the torn ligaments. The goal is to create a concentric joint that can move without dislocating again.

  • Combination of dislocation and two fractures
  • Complete disruption of primary stabilizers
  • High risk of recurrent instability
  • Requires systematic surgical repair protocol
  • Long term risk of post traumatic arthritis
ORTHOPEDIC

Overuse Syndromes: Lateral Epicondylitis

Commonly known as “tennis elbow,” lateral epicondylitis is a degeneration of the extensor tendon origin on the outside of the elbow. While most cases resolve with rest, chronic cases involve dead tissue (angiofibroblastic hyperplasia) that does not heal.

Surgery is indicated when pain persists despite months of non operative treatment. The procedure involves removing the diseased tissue and reattaching the healthy tendon to the bone. This removes the source of pain and stimulates a new healing response.

  • Degeneration of the Extensor Carpi Radialis Brevis
  • Microtearing from repetitive wrist extension
  • Failure of natural healing mechanisms
  • Surgical debridement of pathologic tissue
  • Repair of the tendon origin to the epicondyle

Overuse Syndromes: Medial Epicondylitis

Known as “golfer’s elbow,” this condition affects the flexor tendon origin on the inside of the elbow. It is less common than tennis elbow but can be more difficult to treat due to the proximity of the ulnar nerve.

Surgical treatment involves removing the degenerated portion of the tendon. Because the ulnar nerve runs directly adjacent to this area, the nerve is often decompressed or moved (transposed) during the same surgery to prevent irritation from scar tissue.

  • Degeneration of the flexor pronator mass
  • Pain with wrist flexion and pronation
  • Frequent association with ulnar neuritis
  • Surgical excision of degenerative tissue
  • Concurrent management of the ulnar nerve

Overuse Syndromes: Ulnar Collateral Ligament Injury

This injury is epidemic in overhead throwing athletes, particularly baseball pitchers. Repetitive high velocity throwing places immense tensile stress on the MCL (Ulnar Collateral Ligament), leading to microtears and eventual rupture.

When the ligament fails, the elbow opens up during the throwing motion, causing pain and loss of velocity. Reconstruction (Tommy John surgery) uses a tendon graft to rebuild the ligament, restoring the structural restraint against valgus stress.

  • Result of repetitive valgus overload
  • Microtrauma leading to attenuation or rupture
  • Medial elbow pain and loss of velocity
  • Reconstruction with Palmaris or Gracilis graft
  • Essential for return to competitive throwing

Degenerative Joint Disease: Osteoarthritis

Primary osteoarthritis of the elbow is different from the hip or knee. It is less about cartilage wear and more about bone formation. Patients develop osteophytes (bone spurs) at the limits of motion, causing impingement and locking.

This condition is common in former manual laborers or weightlifters. Surgery, typically arthroscopic, focuses on removing these bone spurs (osteocapsular arthroplasty) to restore range of motion and reduce pain at the end ranges of flexion and extension.

  • Formation of osteophytes blocking motion
  • Preservation of central joint space initially
  • Pain at terminal flexion and extension
  • Surgical removal of impinging bone
  • Restoration of functional arc of motion

Degenerative Joint Disease: Rheumatoid Arthritis

Rheumatoid arthritis is a systemic autoimmune disease that attacks the joint lining (synovium). This leads to the destruction of cartilage and bone, causing severe pain and deformity. The elbow is frequently affected.

While modern medications have reduced the severity of joint destruction, surgery is still needed for advanced cases. Total elbow arthroplasty is the gold standard for rheumatoid elbows, providing dramatic pain relief and functional restoration.

  • Autoimmune destruction of articular surfaces
  • Synovitis leading to cartilage erosion
  • Severe pain and functional limitation
  • Bone loss and ligamentous laxity
  • Total elbow replacement is often indicated

Osteochondritis Dissecans (OCD)

OCD is a condition affecting the capitellum (part of the humerus) in young athletes, particularly gymnasts and pitchers. The blood supply to a segment of bone and cartilage is disrupted, causing the piece to die and potentially detach.

This creates a loose body in the joint and a crater in the articular surface. Surgery involves removing or fixing the loose fragment and drilling the base to stimulate healing. In severe cases, cartilage grafting (OATS) is performed to fill the defect.

  • Ischemic necrosis of subchondral bone
  • Common in adolescent overhead athletes
  • Formation of loose bodies causing locking
  • Drilling or fixation of stable lesions
  • Grafting of unstable or detached lesions

Valgus Extension Overload

This condition is seen in throwers and is caused by the mechanical abutment of the olecranon tip into the fossa during the follow through phase of throwing. The repetitive impact causes bone spurs to form on the back of the elbow.

These spurs can break off and become loose bodies. They also cause pain during full extension. Surgical treatment involves arthroscopic removal of the spurs and loose bodies to relieve the posterior impingement.

  • Posterior impingement in throwing athletes
  • Osteophyte formation on the olecranon
  • Pain during the release phase of throwing
  • Loose body formation in the posterior compartment
  • Arthroscopic resection of the olecranon tip

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FREQUENTLY ASKED QUESTIONS

What is a "Student's Elbow"

Student’s elbow, or olecranon bursitis, is the swelling of the fluid filled sac at the tip of the elbow. It is caused by prolonged leaning on the elbow or direct trauma. If it becomes infected or chronic, surgery to remove the bursa sac (bursectomy) may be required.

Locking is usually caused by a “loose body”—a fragment of bone or cartilage floating freely inside the joint. Like a pebble in a shoe, it can get caught between the moving parts of the hinge, physically blocking movement until it shifts.

Yes, heavy weightlifting can cause tendonitis (triceps or biceps) and accelerate arthritis. The heavy loads place massive stress on the joint surfaces, leading to the formation of bone spurs and the wearing down of cartilage over time.

Yes, a distal biceps rupture is usually an acute event felt as a painful pop in the front of the elbow, often while lifting something heavy. It is followed by bruising and a visual deformity where the muscle bunches up in the arm (Popeye deformity).

If a displaced fracture is not fixed surgically, it may heal in the wrong position (malunion) or not heal at all (nonunion). This leads to permanent deformity, loss of motion, chronic pain, and rapid development of post traumatic arthritis.

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