Can Artificial Finger Joints Restore Function After Injury?

Is it currently possible to replace the little finger joint?

My son injured his left pinky finger in May.
After an X-ray at the clinic, the doctor said there was a fracture in the bone.
They used three splints, applying them with breathable tape to create a contoured splint for stabilization of the pinky.
He took anti-inflammatory medication for a week, and the doctor advised a follow-up appointment in a month.
Since the doctor did not explain the severity of the injury at that time, the daily removal and reapplication of the splint caused skin irritation, resulting in periods without the splint.
During the follow-up appointment a month later, the doctor informed us that the joint had been damaged, function was lost, and there was no way to restore it.
We consulted another hospital, and the results were the same.
Due to the angulation deformity, the only option now is to perform a surgical fixation at a suitable angle.
I would like to inquire if there are any artificial finger joints available that could restore function?

Worried Mom, 40~49 year old female. Ask Date: 2015/07/29

Dr. Li Wenhong reply Orthopedics

Dear Concerned Mother,
If the interphalangeal joint of the little finger is injured and leads to traumatic arthritis, it is advisable to start with anti-inflammatory and analgesic medications along with rehabilitation therapy.
Surgical intervention should only be considered in cases of severe pain and deformity, primarily focusing on joint stabilization (fusion), as there are no artificial interphalangeal joints available.

Sincerely,
Li Wen-Hong, Orthopedics, Changhua Hospital

Reply Date: 2015/07/29

More Info

The concern regarding the potential for artificial finger joints to restore function after an injury is a complex one, particularly in the context of your son's situation. From the information provided, it appears that your son suffered a significant injury to his left little finger, which was initially diagnosed as a fracture with a subsequent complication leading to joint damage. The use of a splint and anti-inflammatory medication was a standard approach, but the lack of proper immobilization may have contributed to the deterioration of the joint.

In cases of joint damage, especially when there is a loss of function and deformity, the options for treatment can vary widely depending on the extent of the injury and the specific joints involved. Artificial finger joints, or prosthetic joints, are designed to replace damaged or diseased joints and can restore some degree of function. However, their effectiveness largely depends on several factors, including the type of joint involved, the overall health of the surrounding tissues, and the specific goals of surgery.

When it comes to the little finger, the anatomy is quite delicate, and the functional demands placed on this digit are often less than those on the more prominent fingers. However, the little finger plays a crucial role in grip strength and hand function. If the joint has been severely damaged and there is significant deformity, surgical intervention may be necessary. This could involve joint fusion, which would stabilize the joint but eliminate its movement, or the implantation of an artificial joint.

The current state of artificial joint technology has advanced significantly, and there are options available that can provide a functional range of motion. However, it is essential to understand that these procedures are not without risks and may not always yield the desired outcomes. The success of an artificial joint in restoring function will depend on the surgical technique, the quality of the implant, and the rehabilitation process that follows.

Rehabilitation is a critical component of recovery after any surgical intervention involving the fingers. Physical therapy can help to improve strength, flexibility, and overall function of the hand. It is crucial to follow a structured rehabilitation program tailored to the specific needs of the patient, which may include exercises to enhance range of motion, strength training, and functional activities.

In your son's case, it is vital to have a thorough discussion with an orthopedic surgeon who specializes in hand surgery. They can provide a detailed assessment of the injury, discuss the potential for artificial joint implantation, and outline the expected outcomes and risks associated with the procedure. Additionally, they can recommend a comprehensive rehabilitation plan to maximize the chances of restoring function to the little finger.

In summary, while artificial finger joints can potentially restore function after an injury, the success of such interventions is contingent upon various factors, including the nature of the injury, the surgical approach, and the rehabilitation process. It is essential to seek expert medical advice to explore all available options and make informed decisions regarding your son's treatment.

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