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INJURIES & TREATMENTS

ELBOW

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A Patient’s Guide to Olecranon Fractures — Fractures of the Tip of the Elbow

Elbow fractures are typically associated with trauma—a fall or motor vehicle accident are common causes. These injuries interfere with the ability of the elbow to place the hand in a functional position. While many elbow fractures in children can be treated nonoperatively, the majority of fractures in adults will require surgery

Anatomy

The elbow serves two distinct functions: 1) to bend and straighten 2) to turn the palm up and palm down. The elbow utilizes three bones in articulation to accomplish these purposes—humerus, ulna, and radius.

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Lateral view of a right elbow demonstrating humerus, ulna, and radius (arrow pointing toward olecranon process of the ulna).

The olecranon is the tip of the ulna and serves as the insertion point for the triceps muscle—which straightens the elbow.

Related image

The triceps muscle inserts into the olecranon process of the elbow and straightens the elbow. The biceps inserts into the radius and bends the elbow.

The bones of the elbow are held together by joint capsule, ligaments and tendons. As we age, the strength of both ligaments and bones decrease over time.

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Ligaments of the elbow viewed from the lateral aspect

Diagnosis

Symptoms

Patients who experience olecranon fractures present with pain, swelling and often bruising over time. There may be deformity of the arm dependent upon the degree of displacement of the fracture.

Physician Exam

After taking a history and noting your symptoms, a physical exam is then performed by the surgeon. The status of the vascular supply to the hand is observed. Similarly the sensation and motion of digits are noted. Although uncommon, fractures in this area may embarrass vascular supply secondary to injury or swelling. Similarly, nerve function may be disrupted due to trauma or displacement of fractures.

Imaging

X-rays are indicated to determine the bones which have been injured and if there are any dislocations associated with the injury. X-rays may be taken from several angles to better delineate the fracture.

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Lateral views showing a normal elbow on the left and a fracture of the olecranon process of the ulna on the right.

In many cases, x-rays alone may adequately provide enough information to determine treatment. However, additional imaging for bone, such as computerized tomography (CT scan) may yield additional helpful information. If more concern is directed toward ligament or tendon injury, MRI imaging may be ordered.

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A three dimensional CT scan of a comminuted (many pieces) olecranon fracture left image. Right image plain x-ray of same injury.

Treatment

Nonoperative

Nonoperative treatment is reserved for nondisplaced fractures currently. Since the triceps mechanism inserts into the olecranon, most of these fractures displace or have a tendency toward displacement. Immobilization in extension is typically performed when this is contemplated. Nonoperative management usually requires some period of immobilization, followed by supervised range of motion. Stiffness is problematic with elbow fractures in general and may be more pronounced with longer immobilization.

Image result for tricep muscle displacing olecranon fracture image

The triceps muscle (in red) inserts into the olecranon. With a fracture as seen above, this fragment is pulled proximally by the unopposed pull of the triceps.

Operative

Displaced fractures typically require operative management. The goals of operative treatment is to alignment the fracture and the cartilage surfaces. The cartilage surfaces are the gliding mechanism by which the elbow moves. Typically, better alignment is associated with better function.

These fractures are typically complex and require specialized care. The anesthesia choices include regional or general anesthesia. Extensile incisions may be required to place plates and screws in position. However, the most common technique for isolated olecranon fractures is the application of pins and wires (tension band repair). Most isolated injuries can be performed as an outpatient surgery. However, complicated injuries requiring Extensive dissection to identify nerves, fracture fragments and any ligamentous injuries usually makes these procedures done in a hospital setting.

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Lateral view of an olecranon fracture treated with a tension band technique

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A lateral view of an olecranon fracture treated with application of plates and screws

Rehabilitation

After surgery the arm is immobilized in a splint to allow for wound healing. The ability to gain stable fixation determines the amount of motion allowed for the elbow, as well as the postoperative timing. Bracing may be used in the postoperative period to control motion and formal therapy is often a useful adjuvant for care. Patients report pain after surgery, but the pain generally improves as the fracture fragments are stabilized. Initiation of therapy causes soreness for many patients.

Fracture healing requires 8-12 weeks and many patients require months of therapy to reach maximum improvement. Improvement over the injury state occurs for most individuals resulting in a functional elbow. However, even under the best of circumstances–some limitation of motion, soreness, and stiffness may result. Arthritis associated with posttraumatic arthritis may result from these severe injuries. Other complications can include infection, nerve injury, nonunion of bones, and painful hardware.

 

  • Injuries & Treatment
  • Shoulder
    • Rotator Cuff Tendonitis
    • Shoulder Separation
    • Frozen Shoulder
    • Arthritis of the Shoulder
    • Reverse Total Shoulder Replacement
    • Standard (Anatomic) Total Shoulder Replacement
    • Rotator Cuff Tears
    • Shoulder Fractures-Proximal Humerus
    • Clavicle (Collarbone) Fractures
    • Dislocated Shoulder and Chronic Shoulder Instability
    • SLAP: Superior Labral Tears
    • Scapula Disorders and Snapping Scapula
    • Upper Arm (Humeral Shaft) Fractures
    • Pectoralis Major Rupture (Pec Tear)
  • Hand & Wrist
    • Hand Fractures
    • Arthritis of the Hand
    • Arthritis of the Thumb
    • Carpal Tunnel Syndrome
    • De Quervain’s Tendinosis
    • Distal Radius Fractures (Broken Wrist)
    • Dupuytren’s Disease
    • Ganglion Cyst of the Wrist and Hand
    • Ulnar Nerve Entrapment at the Wrist
    • Trigger Finger
    • Wrist Sprains
    • Triangular Fibrocartilage (TFC or TFCC) Injuries
    • Flexor Tendon Injuries
    • Extensor Tendon Injuries
      • Mallet Finger
      • Boutonniere
    • Scaphoid (Navicular) Fractures
    • Finger Sprain (or Jammed Finger)
  • Elbow
    • Biceps Tendon Tear at the Elbow
    • Distal Humerus Fractures of the Elbow
    • Elbow Olecranon Fractures
    • Radial Head Fractures of the Elbow
    • Tennis Elbow / Golfer’s Elbow
    • Ulnar Nerve Entrapment at the Elbow
    • Upper Arm (Humeral Shaft) Fractures
    • Olecranon Bursitis
    • Elbow Dislocations
  • Nerve
    • Nerve Injuries
    • Carpal Tunnel Syndrome
    • Ulnar Nerve Entrapment at the Elbow
    • Ulnar Nerve Entrapment at the Wrist
    • Complex Regional Pain Syndrome

Recent News

  • Dr. Groh Presents Shoulder Replacement for ABC Affiliate WLOS Channel 13 September 29, 2022
  • Dr. Groh Requested to Lecture at the American Academy of Orthopedic Surgeons Meeting in Las Vegas March 1, 2019
  • Dr. Groh Named Achievement Award Winner by the American Academy of Orthopedic Surgeons March 1, 2019
  • Dr. Groh moderates Pharmaceutical Pricing Panel for UNC Chapel Hill Kenan Flagler Business School Conference November 21, 2018
  • Dr. Groh named top business MBA student and profiled in Poets and Quants November 20, 2018
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