Convex fracture of the arm bones: a type of fracture common in children and which can easily cause complications

April 13, 2021
There are many types of fractures which occur in different places on all three arm bones. However, the most common in children is the convex fracture, which occurred in singer Ly Hai’s two children and which were featured recently on social media. A convex fracture is a common medical fracture but is easy to miss, and can cause many complications if it is not treated properly. This type of fracture occurs frequently in school children, especially those aged six to 12 years old. During this period, the bones of children develop rapidly while the child is also very active, and injuries such as fractures are commonplace. Unfortunately, precisely because this type of fracture is so common, it is often inappropriately or improperly treated. As a result, it can cause many dangerous complications. Broken bones when not properly fixed will not heal, or heal in a bad position, causing cubitus varus (deformation of the elbow). This consequence may worsen over time, pinching nerves, causing frequent pain, weakness and muscle atrophy, and reducing function. Treatment for cubitus varus requires surgery to correct the bone axis, but doctors do not guarantee that surgery can restore normal arm functionality once the condition has been left untreated for too long.
Complications of cubitus varus include the position of the hand turning inward when not treated properly.

Convex fracture of the arm accounts for more than 80 per cent of cases of elbow fractures. When a child is injured and has swelling, limited movement and pain in the elbow region, it’s possible this is an elbow fracture. Some severe cases can deform the elbow, while in others, the broken bones protrude. The injured child should always be brought to a specialist for appropriate care.
A broken elbow

Doctors will conduct a clinical examination, indicating X-rays or a CT scan to determine the appropriate method of treatment. They will look for obvious fractures, however, because children’s bones are connected with thick cartilage, many cases are missed because the fracture is obscured. This means that securing appropriate treatment for convex fracture can be often be dependent finding experienced specialists.
Diagnosis is determined via X-ray film

Dr Nguyen Tuan Dinh (Orthopaedics and Hand Surgery, FV Hospital) shares that fractures can be divided into two groups so that the proper treatment can be determined. In cases of displacement fracture, surgery is required to reconstruct the fracture. This injury—as experienced by Ly Hai’s children Rio and Mio—is often easier to treat as the broken bones are still in contact with each other and straight, and can be healed by placing the arm in a cast for six weeks. Then the elbow can be fully corrected using simple tools, such as fabric splints. In addition, babies need to have the use of their arms to avoid stiffness in their joints as they grow.
A displacement fracture requires surgery for treatment

A convex fracture of the arm bone is not difficult to treat and is common in children. However, careful examination and proper treatment of this kind of fracture is very important and always require the attention of a medical specialist.
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