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INJURIES & TREATMENTS

HAND & WRIST

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A Patient’s Guide to Distal Radius Fractures (Broken Wrist) with Animated Surgical Video

Introduction

The forearm is composed of two bones, the radius and the ulna. The radius is larger at the wrist. Patients who fall often fracture the radius. The radius is the third most common bone to be broken in the human body.

Anatomy

The forearm connects the elbow to the wrist, allowing the hand to be placed into a functional position. The forearm is composed of the ulna and radius. The radius serves two purposes. First, it articulates with the wrist to allow the wrist to bend and extend. Second, it articulates with the unlna to allow the hand to be turned palm up and palm down (pronation and supination).

Image result for image of wrist bones

Image of a left wrist palm down showing the articulation of the radius with both the 8 wrist bones and the ulna

Diagnosis

Symptoms

Almost all distal radius fractures occur as a course of trauma—the vast majority are due to falls on an ourstretched arm. Patients tyically report pain, swelling, deformity, and bruising of the wrist. Inhibition of finger and wrist motion are also common.

Image result for image of falling resulting in wrist fracture

A fall causing a fracture of the distal radius—wrist fracture

Hand Surgeon Examination

After taking note of the symptoms, the surgeon inquiries regarding any pertinent family or medical history. A physical exam centers on the injured limb. Although unlikely, injuries to the adjacent shoulder and elbow are determined via checking for pain and motion.

An examination of the sensation to the hand is performed. Sometimes patients with wrist fractures may have injured the nerves associated with the hand. The most common nerve injured is the median nerve, resulting in numbness in the radial three digits of the hand.

The blood flow to the digits is checked. Swelling from the fracture may cause compression of vascular structures leading to changes in blood supply to the hand. Any deformity of the hand or wrist is also noted.

Imaging

X-rays of the wrist are obtained and if there is suspicion of injury to the hand, elbow or shoulder these may be obtained as well. X-rays help delineate the type of fracture, displacement and if the fracture extends within a joint. Typically routine x-rays are sufficient, although they may be taken from many angles. At times, enhanced imaging including CT scans or MRI is a helpful adjuvant.

X-ray will confirm the direction of the injury. The most common displacement of the fracture is upward as seen in the image above and below. When the fracture displaces upward or outward it is termed a Colles fracture. A fracture extending in the opposite direction is called a Smith fracture—only about 10% of wrist fractures are Smith Fractures.

Image result for image of Colles fracture

X-rays will also determine if the fracture is comminuted (many pieces) or if the fracture extends into the articular surfaces of the wrist or ulna. X-rays will also determine if the fracture is displaced. Fractures which extend into the articular surfaces are more prone to have difficulty with range of motion and arthritis after healing.

Image result for image of intra articular wrist fracture

In Type 1 factures above the fracture fragments are well aligned or nondisplaced. In both type 2 and 3 there is displacement of the fracture fragments.

Image result for image of intra articular wrist fracture

These fractures extend into the joint. However, in type 1 the fracture shows no displacement. In types 2-4 more displacement of the intraarticular fragments are shown.

Treatment

Nonoperative

Fractures without significant displacement may be treated with splints, casts or braces. The length of immobilization may vary and after immobilization work is aimed at restoring wrist motion. Therapy for wrist and hand is common after these injuries even without surgical treatment and may require the utilization of a hand therapist.

Operative

Fractures which have significant displacement of fracture fragments typically require realignment. Fractures which show significant angulation of the distal radius for Colles fractures with over 10 degrees of dorsal tilt are candidates to improve alignment. Most Smith fractures are unstable and will require operative alignment. Fractures which have greater than two millimeters of intraarticular displacement are also candidates for improved alignment. Other criteria for adequate alignment also exist, but are not as correlated with overall results as angulation and intraarticular displacement.

Manipulation or Setting a Fracture

Fractures with displacement without communitarian may be candidates for manipulation or “setting the fracture.” These manipulations can be performed with local, regional or general anesthesia and the patient is typically placed into a splint or cast. The patient is followed carefully in the office with x-rays at regular intervals to check that the fracture has maintained alignment and is healing

Surgery

Historically, there have been many methods to address wrist fractures. Surgeons have utilized pins, pins with plaster, and external fixators. Although many techniques have been utilized in the past, most modern fracture surgery involves the application of plates and screws.

Image result for image of plates and screws for distal radius fracture

Image at left shows an extra articular displaced distal radius fracture. The fracture is treated with application of plate and screws from the bottom (volar) portion of the wrist.

Most wrist fracture surgery can be completed as an outpatient surgery and the majority done under regional anesthesia. The typical incision is on the bottom side of the wrist approximately 3 inches in length. Most commonly, specialized plates and screws are utilized to stabilize the fracture in better alignment. These plates and screws typically do not need to be removed.

Image result for image of plates and screws for distal radius fracture

A distal wrist plate for fractures manufactured by Acumed.

WATCH an ANIMATED SURGICAL VIDEO OF TREATING A DISTAL RADIUS (WRIST FRACTURE)


For most patients, blood loss is minimal and unless there are medical indications—prophylaxis for deep vein thrombosis is not necessary. Other risks of surgery are small and include infection, bone healing, tendon rupture, and stiffness.

Patients are placed into a splint after surgery and typically return in two weeks for suture removal. Patients who receive regional anesthesia report less pain after surgery, but all patients should follow instructions regarding pain medications to improve their postoperative experience. Once patients recover from the surgical pain of application of the hardware, most report considerable improvement in their overall wrist discomfort.

Rehabilitation

After surgery patients are instructed in elevation of the extremity and work on range of motion for the digits. At two weeks most patients are placed into a removable brace and some may begin work on wrist range of motion at this stage. By six weeks after surgery, most patients will have considerable healing of the fracture will likely start weaning from the splint. Work on range of motion for the wrist can be accomplished at home or with the help of a hand surgeon. Strengthening of the hand, wrist, and arm are emphasized and most patients should gain good use of their wrist and hand—especially with diligent work on motion and strength.

Outcomes

Modern fracture care has greatly improved the results for patients. However, patients can still expect some degree of stiffness with any fracture care. Return to sports after injury typically requires 3-6 months. Patients report continuing improvement for up to one year after injury. There is an association of osteoporosis with this injury and patients should check with their primary physician regarding this entity.

  • 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

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  • 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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