Recurrent Clavicle Dislocation After Hook Plate Surgery - Orthopedics

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Acromioclavicular joint dislocation


Hello Doctor: Three years ago, I suffered a rupture of the acromioclavicular ligament and underwent surgery where I paid out of pocket for a hook plate to reposition the bone.
The plate was removed after surgery, and overall, my range of motion has been fine.
However, after long-term observation, I have noticed that my clavicle is slowly tilting back, and there is a slight floating sensation when pressed.
Occasionally, I experience minor discomfort and soreness.
I found that very few people who have had hook plate fixation experience dislocation again after removal.
Does this indicate a failure of the initial surgery, or could it be that weight training has caused the clavicle to be injured again? Given the functional implications, would a second surgery be necessary, or would an injection therapy to strengthen the ligament be advisable? Thank you!

Binggan, 20~29 year old female. Ask Date: 2017/11/11

Dr. Li Yongheng reply Orthopedics


Hello, after the acromioclavicular ligament rupture and fixation with a hook plate, it is indeed rare for it to dislocate again.
The reason is that heavy training increases the likelihood of re-injuring the clavicle.
If you currently feel some instability with occasional mild discomfort and soreness, I personally recommend against undergoing a second surgery.
The effect of PRP injection to strengthen the ligament is not clearly established and it requires out-of-pocket expenses.
I suggest resting and avoiding heavy lifting and intense exercise for three months; the acromioclavicular dislocation should not worsen further.
Wishing you a speedy recovery.

Reply Date: 2017/11/11

More Info


Recurrent clavicle dislocation after hook plate surgery can be a concerning issue, especially for individuals who have undergone surgical intervention for a previous injury. In your case, it appears that you had a hook plate placed to stabilize a torn ligament in your clavicle, and while you initially experienced good functional recovery, you are now noticing signs of instability and discomfort.

To address your questions, let’s break down the potential causes and considerations regarding your situation:
1. Understanding the Recurrence: The recurrence of dislocation or instability in the clavicle after surgical intervention can be attributed to several factors. One possibility is that the initial injury may have caused damage not only to the ligament but also to the surrounding soft tissues, including muscles and tendons. If these structures do not heal properly or if they are subjected to excessive stress (such as heavy lifting or intense physical training), they may not provide adequate support to the clavicle, leading to a recurrence of dislocation.

2. Surgical Outcomes: It is important to note that while hook plate surgery is generally effective, it is not without risks. Factors such as surgical technique, the extent of the original injury, and post-operative rehabilitation play significant roles in the success of the procedure. If the hook plate was removed too early or if the rehabilitation process was not adequately followed, this could contribute to the instability you are experiencing.
3. Functional Implications: The presence of a "floating" sensation and occasional discomfort suggests that there may be some instability in the joint. While you may still have functional use of your arm, the underlying instability could lead to further complications if not addressed. It is crucial to monitor these symptoms closely, as they may indicate a need for further intervention.

4. Options for Management: Regarding whether you need a second surgery or if an injection (such as prolotherapy) would be beneficial, this decision should be made in consultation with an orthopedic specialist. A second surgical intervention may involve stabilizing the clavicle through different means, such as a different type of plate or a reconstruction of the ligament. Prolotherapy, which involves injecting a solution to promote healing in the affected area, may also be considered, but its effectiveness can vary from person to person.

5. Rehabilitation and Strengthening: Regardless of the path you choose, a comprehensive rehabilitation program is essential. This program should focus on strengthening the muscles around the shoulder girdle, improving stability, and enhancing overall function. Working with a physical therapist who specializes in shoulder rehabilitation can provide you with tailored exercises that can help support your recovery.

6. Monitoring Symptoms: It is crucial to keep track of your symptoms and any changes in your condition. If you experience increased pain, instability, or functional limitations, it is advisable to seek medical attention promptly. Imaging studies, such as X-rays or MRIs, may be necessary to assess the current state of your clavicle and surrounding structures.

In conclusion, recurrent clavicle dislocation after hook plate surgery can be a multifactorial issue that may require further evaluation and intervention. It is essential to work closely with your healthcare provider to determine the best course of action based on your specific circumstances. Early intervention can help prevent further complications and improve your overall quality of life.

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