Chronic Shoulder Dislocation Treatments | The non-surgical approach

Dr. David Woznica ProlotherapistDavid N. Woznica, MD

There is a new wave of research bringing attention to risk and complication in surgeries performed for shoulder instability. Below we will highlight studies which are calling into question certain treatments including physical therapy for the patient with shoulder instability. We will also highlight non-surgical options that could strengthen the shoulder capsule.

Shoulder instability is very treatable with Prolotherapy, see our main page Prolotherapy for shoulder pain for more information. If you have a question about shoulder instability, you can get help and information from our Caring Medical staff.

The main cause of chronic shoulder dislocations are chronic shoulder dislocations. This is not a play on words, treat and cure the chronic shoulder dislocation and you prevent future dislocations.

Chronic shoulder instability caused by anterior shoulder dislocation treatment

Anterior shoulder dislocation occurs in approximately 95 percent of all shoulder dislocation cases. In this dislocation, the anterior static shoulder stabilizers, including the anterior capsule and the inferior glenohumeral ligament, are torn away from the bone.

In some cases a chip of bone from the posterolateral aspect (Hill-Sachs lesion) of the humeral head (ball) or a torn rim (Bankart lesion) of the glenoid (socket) may occur.

Exercise and rehabilitation usually follow a period of immobilization after an anterior dislocation and, if this fails to restore strength and stability to the shoulder, surgery is usually recommended. In one definitive 10-year prospective study published in The Journal of bone and joint surgery, it was found that half of those treated with immobilization had recurrent dislocations and, of these, half had surgical treatment. This study included 247 patients with first-time dislocations.(1)

Chronic shoulder instability caused by ALPSA Lesions – A Type of Anterior Shoulder Dislocation

Recurrent anterior shoulder dislocation and instability is sometimes associated with an ALPSA (anterior labroligamentous periosteal sleeve avulsion) lesion or labral tear.

The difference between a Bankart lesion and ALPSA lesion is that both have labrum displacement, in the ALPSA lesion the anterior scapular periosteum (the membrane covering the bones which contain fibroblasts and osteoblasts – healing and building cells of cartilage and bone) tears off as well  allowing the labroligamentous (the labrum, ligaments and connective tissue) structures to also be displaced.

inferior glenohumeral ligament

Inferior glenohumeral ligament.

People with ALPSA tears tend to have a high number of recurrent dislocations, because of the instability and weakness of the anterior inferior glenohumeral ligament. ALPSA tears are also associated with larger sized Hill-Sachs lesions.

Those with ALPSA tears not only suffer from recurrent dislocations, but high surgical failure rates.

Arthroscopic ALPSA repair failure is quite high compared to repair of Bankart lesions. In a study comparing ALPSA lesions with Bankart lesions and postoperative recurrence rates after arthroscopic capsulolabral repair- the ALPSA group had more than double the recurrence rate. In addition, according to a study from researchers in South Korea, the ALPSA group presented significant postoperative loss of external rotation after capsulolabral repair.(2) The obvious choice for ALPSA lesion treatment and repair of the tears is Prolotherapy rather than surgery.

While surgery can treat the anterior dislocation effectively in certain types of lesions, post-operative pain, lengthy rehabilitation, and a chance of not returning to a previous level of activity, work or sports participation are reasons to consider Prolotherapy as an alternative to standard treatment approaches.

Option: Prolotherapy injections

Prolotherapy injections directed at the anterior shoulder capsule and the insertions of the middle and inferior glenohumeral ligaments will increase joint strength and allow pain-free motion through the wide range of movement in overhead throwing sports.

Once pain has been reduced, a gradual return to one’s previous level of activity can be expected. Substantial improvement may be noted in as few as one to two Prolotherapy treatments, and the scar tissue from surgery can be avoided. There are other advantages to Prolotherapy over surgery for shoulder instability.

Chronic shoulder instability caused by Acromioclavicular joint instability, osteoarthritis, and chronic dislocation

Acromioclavicular joint osteoarthritis is a degenerative disease where the articular cartilage lining of the Acromioclavicular joint bones wears out over time.  In this condition, there is shoulder instability  causing grinding and pain.

The shoulder joint is a juncture of three bones, the scapula (shoulder blade), the humerus (upper arm bone), and the clavicle (collarbone). The scapula and the clavicle meet to form the top or roof of the shoulder and is called the  acromion. The joint where the acromion and the clavicle join is the Acromioclavicular joint or AC joint. Acromioclavicular (AC) joint osteoarthritis can develop as a result of chronic shoulder dislocation or normal wear and tear in the aging patient with heavy shoulder rotational loads in sports or work.

The acromioclavicular joint contribution to your shoulder’s range of motion is to get your arm above your head. It also distributes the weight of the arm to the rest of the body. It is therefore not surprising that weight lifters and wrestlers who frequently lift large amounts of weights have significant incidences of AC joint sprains.

Tremendous forces not only injure the AC joint, but are transmitted down the clavicle to the sternoclavicular (SC) joint, which can also be sprained or dislocated. There is a direct correlation between the amount of weight lifted and the weight that is transmitted throughout the AC and SC joints. The greater the weight lifted, the greater the impact throughout the AC joint and, ultimately, the SC joint.

During the early stages, AC joint arthrosis usually manifests itself with tenderness and pain in the front of the shoulder around the joint. The pain gets worse when the arm is extended across the chest as this motion compresses the joint, or when lifting. A vague pain may be felt in the shoulder, the neck and the front of the chest. The affected joint may also be disproportionate to the uninjured joint, and may snap or click when used.

Typically surgery is not required in acromioclavicular joint dislocation, however there is a debate as to the best method of treatment.
Doctors at the University of Michigan describe the problem in their review published in Current reviews in musculoskeletal medicine:

“In high-grade injuries, acromioclavicular joint reconstruction procedures may be indicated for functional improvement. There is currently no gold standard for the surgical management of these injuries.

Multiple reconstructive options exist, including coracoclavicular screws, hook plates, endobutton coracoclavicular fixations, and anatomic ligament reconstructions with tendon grafts”(3)

The acromioclavicular (AC) joint is one of the unsung heroes of the body. It is formed by the distal clavicle and medial facet of the acromion. (The end of the collar bone and that portion of the shoulder blade that meets to form the point of the shoulder). Interposed in the joint is a fibrocartilaginous disc, and the joint is covered by a capsule.

The acromioclavicular joint becomes injured or dislocated when a large force is applied to the acromion when the arm is in an adducted position, for example, during a wrestling takedown or a tackle in football.

The acromioclavicular joint is stabilized by three ligaments:

Chronic shoulder instability caused by Acromioclavicular joint dislocation treatments

Treating the patient with chronic shoulder dislocation with the “gold” standard of treatments, physical therapy, activity modification, anti-inflammatory medications or cortisone shots has not shown successful. Furthermore, the surgery following the failed conservative treatments fairs no better. This is pointed out by Finnish researchers in the journal Springerplus.

Lastly, the more surgery – the more bone loss

Conservative management and surgery for acromioclavicular joint osteoarthritis

Because these activities put strain on the ligaments, the surrounding muscles may go into spasm and become chronically painful, inhibiting the ability of the patient, often an athlete, from using the shoulder normally.

Another standard practice is to inject steroids into the shoulder or to prescribe anti-inflammatory medications. However, in the long run, these treatments do more damage than good. Cortisone shots and anti-inflammatory drugs have been shown to produce short-term pain benefit, but both result in long-term loss of function and even more chronic pain by actually inhibiting the healing process of soft tissues and accelerating cartilage degeneration.

This is often the case in patients who have had numerous cortisone shots and are eventually recommended to shoulder replacement surgery. However, in our experience, this type of surgery is avoidable. For patients who have already been through any type of shoulder surgery and still having pain or instability symptoms, a consultation outside of a surgeon’s office needs to be considered, particularly with a Prolotherapy specialist to determine instability from ligament failure or laxity.

Doctors need to pay attention to the shoulder ligaments

Doctors at the Autonomous University of Barcelona writing in the Journal of orthopaedics and traumatology examined the use of surgery for acromioclavicular joint instability. What they found was a very strong need to pay attention to the shoulder ligaments.

“Several surgical strategies for the management of patients with chronic and symptomatic acromioclavicular joint instability have been described. The range of possibilities includes anatomical and non-anatomical techniques, open and arthroscopy-assisted procedures, and biological and synthetic grafts, (for ligament reconstruction).

Surgical management of chronic acromioclavicular joint instability should involve the reconstruction of the torn ligaments because it is accepted that from three weeks after the injury, these structures may lack healing potential.”(7)

Prolotherapy treatment pays attention to shoulder ligaments and restores shoulder stability

Comprehensive Prolotherapy and a rehabilitation program can strengthen the ligaments and dynamic shoulder stabilizers (rotator cuff muscles). Chronic pain is most commonly due to tendon and ligament weakness or cartilage deterioration, as is the case in acromioclavicular joint syndrome.

Prolotherapy is a regenerative injection treatment, which is what degenerated structures need. In our office, the shoulder is one of the most common areas we treat.

In addition, we have published scientific articles and studies on our results, this includes shoulder pain, glenoid labrum tears, arthritis and more.

When it comes to seeking non-surgical options in the treatment of difficult to treat or chronic shoulder pain, patients frequently find themselves researching our injection treatments of Comprehensive Prolotherapy incorporating various treatments to include Stem Cell Therapy, Platelet Rich Plasma Therapy, and Dextrose Prolotherapy. You can learn about the many shoulder conditions we treat at this starting page for shoulder pain.

Comparisons in shoulder instability treatment | Physical therapy and surgery

Research hospital doctors in Spain publishing in The open orthopaedics journal write of the complexities in treating a patient who has multidirectional instability of the shoulder.

Complexities include hyperlaxity (very to extremely loose shoulder), anatomical problems, muscle misbalance and possible traumatic incidents in each patient (see our discussion of chronic shoulder dislocations).

First treatment: Physical therapy

Next treatment after three months: Surgery

A discussion of the surgeries are included here in the second paper we are looking at:

In the August 2017 edition of The open orthopaedics journal, researchers from Spain published these observations:

While looking at all these possible candidates for shoulder instability, the Spanish team wrote of the difficulties in making these surgeries work.

Comment: The warning is that all these things may be happening at once. Below the research finishes with the recognition that if you fix one thing, you may make one of the other problems worse.

Caring Medical and Rehabilitation Services Research

In published research from Caring Medical doctors, The optimal long-term, symptomatic therapy for chronic shoulder pain has not been established. Accordingly, we investigated the outcomes of patients undergoing Hackett-Hemwall dextrose Prolotherapy treatment for unresolved shoulder pain at a charity clinic in rural Illinois.

If you have a question about shoulder instability treatment, you can get help and information from our Caring Medical staff.

1. Hovelius, L. Anterior dislocations of the shoulder in teen-agers and young adults. Journal of Bone and Joint SurgeryùAmerican. 1987; 69 (3):393-9) [Google Scholar]

2. Lee BG, Cho NS, Rhee YG. Anterior labroligamentous periosteal sleeve avulsion lesion in arthroscopic capsulolabral repair for anterior shoulder instability. Knee Surgery, Sports Traumatology, Arthroscopy. 2011; 19(9): 1563-1569. [Google Scholar]

3. Lee S, Bedi A. Shoulder acromioclavicular joint reconstruction options and outcomes. Curr Rev Musculoskelet Med. 2016 Dec;9(4):368-377. [Google Scholar]

4. Virtanen KJ, Savolainen V, Tulikoura I, et al. Surgical treatment of chronic acromioclavicular joint dislocation with autogenous tendon grafts. Springerplus. 2014 Aug 10;3:420.  [Google Scholar]

5. De Carli A, Lanzetti R, Ciompi A, Lupariello D, Rota P, Ferretti A. Acromioclavicular third degree dislocation: surgical treatment in acute cases.  J Orthop Surg Res. 2015 Jan 28;10(1):13. [Google Scholar]

6. Ma R, Smith PA, Smith MJ, Sherman SL, Flood D, Li X. Managing and recognizing complications after treatment of acromioclavicular joint repair or reconstruction. Curr Rev Musculoskelet Med. 2015 Feb 8. [Google Scholar]

7. Denard PJ, Dai X, Burkhart SS. Increasing preoperative dislocations and total time of dislocation affect surgical management of anterior shoulder instability.   Int J Shoulder Surg. 2015 Jan-Mar;9(1):1-5.  [Google Scholar]

7. Cisneros LN, Reiriz JS, Management of chronic unstable acromioclavicular joint injuries. J Orthop Traumatol. 2017 Mar 8. doi: 10.1007/s10195-017-0452-0. [Google Scholar]

8. Ibán MA, Heredia JD, Navlet MG, Serrano F, Oliete MS. Suppl-6, M2: Multidirectional Shoulder Instability: Treatment. The Open Orthopaedics Journal. 2017;11:812.  [Google Scholar]

9. Marco SM, Lafuente JL, Ibán MA, Heredia JD. Suppl-6, M16: Controversies In The Surgical Management Of Shoulder Instability: Associated Soft Tissue Procedures. The Open Orthopaedics Journal. 2017;11:989.  [Google Scholar]

 

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