A fracture is a common injury of the musculoskeletal system, generally caused by a blow, a fall or an accident. Yet not all fractures are alike. The distinction between an open fracture and a closed fracture is essential, because it determines the urgency, the fracture treatment and the risk of complications. So, what is an open fracture? And how does it differ from a closed fracture? Let’s take a look.
Before going into detail, let’s recall the general definition. A fracture is a partial or complete break in the continuity of a bone. Contrary to the popular expression “broken bone,” a fracture can be simple, complete, non-displaced or complex, depending on the type of fracture line and the tissues affected.
There are several types of bone fractures, including:
simple and complex fractures
complete or incomplete fractures
impacted fractures
non-displaced fractures
open or closed fractures
The closed fracture definition rests on one key criterion: the skin remains intact. There is no communication between the fractured bone and the outside. This is also called a closed injury, for example in the case of a closed leg injury (definition: intact skin).
A closed fracture can affect any bone: a femur fracture, a leg fracture, a foot fracture, or even a broken little toe. In that last case, what should you do? In general, immobilization, rest and a medical consultation are enough, unless there are complications.
The 4 clinical signs of a fracture are often present:
intense pain
swelling
deformity
loss of function
These signs of a fracture are common to many types of fractures, whether open or closed.
What is an open fracture?
An open fracture is defined as a break in the bone associated with a skin wound, exposing the bone to the outside. It is also called an open injury or open trauma.
According to the WHO, the open fracture definition (WHO) stresses the major risk of infection. The wound may be small, sometimes barely visible, but the fracture is still considered open.
👉 What is an open fracture?
It is therefore a fracture associated with a traumatic wound, whatever the mechanism.
Open fractures are often linked to violent trauma: road accidents, falls from a height, crush injuries. They include in particular:
open leg fracture
open foot fracture
open knee fracture
open leg fracture
open foot fracture
An open leg fracture and a femur fracture (or femoral fracture) are particularly serious because of the risk of hemorrhage and infection.
There are medical classifications, such as the Cauchoix type 1 open fracture, which assess severity according to the extent of the wound and associated injuries.
The difference between an open and a closed fracture rests on several essential elements:
| Criterion | Closed fracture | Open fracture |
|---|---|---|
| Skin | Intact | Wound present |
| Risk of infection | Low | High |
| Urgency | Relative | Absolute |
| Treatment | Immobilization ± surgery | Surgery + antibiotic therapy |
In short, whether it is an open or closed fracture, the prognosis and management are not the same.
Fracture treatment depends on the type of fracture. A simple fracture without displacement can be treated with immobilization. A displaced fracture, on the other hand, often requires a fracture reduction, that is, realignment of the bone fragments.
In the case of an open fracture, the course of action is standardized:
wound protection
urgent antibiotic therapy
surgery
bone stabilization
Many protocols exist, often compiled in medical documents such as the guidelines for managing an open fracture (PDF) used by healthcare professionals.
A complex fracture often involves several injuries: bone, muscles, nerves and blood vessels. Open fractures are frequently complex, especially in cases of an open leg fracture, a femoral fracture or a fracture resulting from an open injury.
The difference between a fracture and a break is mostly a matter of language. In medicine, the only term used is fracture. The word “broken” is common usage, but imprecise.
Fractures, whether open or closed, represent a wide range of clinical situations. Understanding the open fracture definition, recognizing the clinical signs of a fracture and knowing the types of fractures makes it possible to act quickly and effectively.