Pelvic Ring Fracture: Causes, Symptoms & Treatment
A pelvic ring fracture is a break in the bony ring of the pelvis. It is often caused by severe trauma and requires prompt medical attention.
Things worth knowing about "Pelvic ring fracture"
A pelvic ring fracture is a break in the bony ring of the pelvis. It is often caused by severe trauma and requires prompt medical attention.
What is a Pelvic Ring Fracture?
A pelvic ring fracture is a break involving the bony ring of the pelvis, which is formed by the sacrum, the two hip bones (ilium, ischium, and pubis), the sacroiliac joints, and the pubic symphysis. The pelvic ring plays a critical role in stabilizing the trunk, transferring forces between the spine and the legs, and protecting the pelvic organs.
Pelvic ring fractures range from stable, minimally displaced breaks to highly unstable injuries associated with life-threatening hemorrhage. They are considered serious injuries in trauma surgery and require rapid, structured management.
Causes
Pelvic ring fractures are most commonly caused by significant mechanical force. Typical causes include:
- High-energy trauma: Traffic accidents (e.g., motorcycle or car collisions), falls from height
- Occupational accidents: Crushing injuries from machinery or heavy objects
- Stress fractures: Particularly in older individuals with osteoporosis or in competitive athletes
- Insufficiency fractures: Occurring in weakened bone due to osteoporosis or malignancy, sometimes without significant trauma
Classification
The most widely used classification systems are the AO/OTA classification and the Tile classification, both of which assess pelvic ring stability:
- Type A (stable): Fracture without disruption of the posterior pelvic ring, e.g., isolated pubic ramus fracture
- Type B (rotationally unstable, vertically stable): Partial disruption of the pelvic ring, e.g., open-book injury from external rotation force
- Type C (rotationally and vertically unstable): Complete disruption of both the anterior and posterior pelvic ring, often associated with massive hemorrhage
Symptoms
The symptoms of a pelvic ring fracture vary depending on the severity of the injury:
- Severe pain in the pelvis, groin, or lower back
- Tenderness on palpation over the pelvic ring and sacroiliac joints
- Visible deformity or asymmetry of the pelvis
- Inability or difficulty with weight-bearing and walking
- Swelling and bruising (hematoma) over the pelvis or perineum
- In severe cases: signs of hemorrhagic shock (circulatory failure due to blood loss)
- Possible associated injuries: bladder, bowel, or vascular injuries, and nerve damage
Diagnosis
Diagnosis is established through a combination of clinical examination and imaging:
- Clinical examination: Assessment of pelvic stability (compression and distraction tests), neurological evaluation
- Pelvic X-ray: First-line imaging in the trauma bay, provides an overview of fracture type
- Computed tomography (CT): Gold standard for detailed assessment of fracture pattern, displacement, and associated injuries
- Ultrasound (FAST): To rule out free fluid in the abdomen in polytrauma patients
- Angiography / CT angiography: When active bleeding from pelvic vessels is suspected
Treatment
Emergency Management
In unstable pelvic ring fractures, hemorrhage control is the top priority. Measures include:
- Application of a pelvic binder or pelvic clamp for emergency stabilization
- Transfusion of blood products and coagulation factors
- Angioembolization: Interventional radiology procedure to control arterial bleeding
- Preperitoneal pelvic packing: Surgical hemorrhage control through direct tamponade of the pelvis
Surgical Treatment
Once stabilized, unstable fractures are treated surgically:
- External fixation: Temporary stabilization using an external fixator frame
- Internal fixation: Definitive treatment using plate osteosynthesis, iliosacral screws, or combined techniques
- Minimally invasive techniques: Percutaneous screw fixation, particularly in elderly patients
Conservative Treatment
Stable fractures (Type A) may be managed conservatively with pain management, bed rest, and subsequent physiotherapy. Early mobilization is encouraged to prevent complications such as deep vein thrombosis.
Rehabilitation and Prognosis
Rehabilitation following a pelvic ring fracture involves physiotherapy, gait training, and, where needed, occupational therapy. The prognosis depends on the fracture type, the extent of associated injuries, and the age of the patient. Stable fractures typically heal completely. Severe unstable injuries may result in chronic pain, restricted mobility, or persistent neurological deficits.
References
- Tile M, Helfet DL, Kellam JF: Fractures of the Pelvis and Acetabulum. 3rd edition. Lippincott Williams & Wilkins, 2003.
- Flint L, Cryer HG: Pelvic fracture: the last 50 years. Journal of Trauma. 2010;69(3):483-488.
- American College of Surgeons: Advanced Trauma Life Support (ATLS) Student Course Manual. 10th edition. Chicago, 2018.
Most purchased products
For your iron balance
Specially formulated for your iron balance with plant-based curry leaf iron, Lactoferrin CLN®, and natural Vitamin C from rose hips.
For your universal protection
As one of the most valuable proteins in the body, lactoferrin is a natural component of the immune system.
For Healthy Oral Flora & Dental Care
Formulated lozenges with Dentalac®, lactic acid bacteria, and Lactoferrin CLN®The latest entries
3 Posts in this encyclopedia categoryTeriparatide
Osteopenia
Sinus floor augmentation
Most read entries
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Calorie content
Cologne list
Related search terms: Pelvic ring fracture