Introduction
Post-traumatic arthritis in the shoulder refers to the degeneration of the joint that occurs as a result of a traumatic injury. Unlike other forms of arthritis that develop gradually over time due to wear and tear, post-traumatic arthritis is directly linked to a specific injury or trauma to the shoulder. This trauma can include fractures, dislocations, or severe sprains that damage the cartilage and surrounding structures within the joint. In this article, we will delve into further understanding post-traumatic arthritis, how to treat it and prevent it.1,2
Understanding and addressing the condition
Understanding and dealing with post-traumatic arthritis in the shoulder is very important. It can make life difficult by causing constant pain, stiffness, and difficulty moving the shoulder. If not treated, it can lead to more problems like tears in the shoulder muscles or a frozen shoulder, worsening pain and movement.
The ongoing swelling from arthritis can damage nearby tissues, making surgery more complicated. Healthcare professionals must have a thorough understanding of this arthritis to accurately diagnose and treat it. They develop personalised treatment plans utilising medication, therapy, or surgery to assist each patient. Early identification and management of post-traumatic arthritis is essential for effective care.1,2
Causes and risk factors
Post-traumatic arthritis in the shoulder can happen because of different things, like injuries, old surgeries, age, genetics, and specific activities. Knowing these reasons can help people and doctors prevent it and make the right treatment plans to deal with it.
Traumatic injury to the shoulder joint
When the shoulder experiences a significant injury, like a fracture or dislocation, it can disrupt the normal structure of the joint. This damage to the cartilage and surrounding tissues can set the stage for arthritis to develop over time.
Previous shoulder surgeries
Surgeries on the shoulder, such as repairs for rotator cuff tears or joint reconstructions, can sometimes lead to complications that increase the risk of developing arthritis. The trauma from these procedures can affect the joint's function and stability, potentially contributing to arthritis later on.
Age and genetics
Age plays a role in the development of arthritis, as the wear and tear on joints over time can lead to degeneration. Additionally, genetics can influence an individual's susceptibility to arthritis. Some people may inherit genes that predispose them to joint problems, including post-traumatic arthritis.
Occupational and recreational activities
Certain jobs or activities that involve repetitive or strenuous movements of the shoulder joint like heavy lifting, frequent kneeling, or even standing can increase the risk of developing post-traumatic arthritis. This includes professions like construction work or sports such as baseball or weightlifting, where the shoulder is subjected to frequent stress and strain.3,4
Symptoms
Symptoms of post-traumatic arthritis in the shoulder may resemble those of arthritis in other parts of the body. Additionally, similar symptoms may be seen in other shoulder-related conditions. These symptoms typically include:
- Shoulder pain: consistent pain in the shoulder joint, especially during movement or lifting objects, is a common sign of post-traumatic arthritis
- Stiffness: the shoulder may feel stiff, particularly in the morning after waking up, making it hard to move the arm freely
- Limited range of motion: arthritis can restrict shoulder movement, making everyday tasks like reaching overhead or behind the back challenging
- Swelling and tenderness: inflammation in the shoulder joint can cause swelling and tenderness in the area, especially in cases of rheumatoid arthritis
- Crepitus: some individuals may notice a crackling or grinding sensation in the shoulder when moving it, due to cartilage loss
- Weakness: muscle weakness in the shoulder may develop, further limiting joint function
It is important to recognise that the severity and progression of these symptoms can vary widely from person to person.
Diagnosis
Diagnosing post-traumatic arthritis in the shoulder involves a physical exam, talking about your medical history, and using imaging tests like X-rays, Magnetic resonance imaging (MRI), and CT scans. Sometimes, a procedure known as arthroscopy may be necessary to examine the joint more closely.
Physical examination
During this check-up, the doctor will examine and feel your shoulder to see if there is any pain, swelling, or trouble moving it. They will also check how strong and flexible your shoulder is.
Medical history
Your doctor will ask about any previous injuries, surgeries, or symptoms you have experienced. This assists them in determining what could be contributing to your shoulder issues.
Imaging tests
Imaging tests such as X-rays, MRI, and CT scans capture images of your shoulder to reveal its internal condition. X-rays display the bones, whereas MRI and CT scans illustrate the soft tissues such as muscles and cartilage.
Synovial biopsy
Synovial biopsy is a biopsy of the synovial membrane, which is the joint membrane. Evaluating synovial fluid is a crucial diagnostic test, particularly for the early identification of arthritis. However, this type of biopsy is uncommonly done but may be considered in instances of monoarthritis (inflammation of one joint) when other diagnostic methods have not yielded results.4
Treatment options
Managing post-traumatic arthritis in the shoulder typically starts with non-surgical approaches such as medications and therapy. If these treatments are ineffective, various surgical options exist to alleviate the issue and reduce pain.4,5
Conservative management
- Medications: simple pain relievers and drugs that reduce inflammation can help with the pain and swelling in the shoulder
- Physical therapy: special exercises with the help of a therapist can make the shoulder stronger and more flexible
- Lifestyle changes: making small changes like avoiding certain activities that hurt the shoulder, keeping a healthy weight, and using supportive devices can ease the discomfort
Surgical treatments
- Arthroscopic debridement: is a small surgery where damaged tissue in the shoulder is removed using special tools inserted through tiny cuts
- Joint replacement (Total Shoulder Arthroplasty): in severe cases where the shoulder is badly damaged, surgeons replace the worn-out parts with artificial ones made of metal and plastic
- Reverse shoulder arthroplasty: this surgery is for complex shoulder problems, where the normal ball-and-socket structure is changed to improve stability and movement6,7
Complications
Chronic pain
One of the main symptoms of arthritis is usually persistent pain that makes it difficult to perform daily tasks without suffering.
Loss of functionality
People with arthritis may find it difficult to move the afflicted joint, making it difficult for them to do daily activities like dressing or moving around.
Development of secondary conditions
Arthritis can lead to secondary issues such as muscle tears like rotator cuff tears or inflammation in the shoulder causing stiffness which is referred to as frozen shoulder. These complications intensify the pain and hinder shoulder mobility.4
Prevention
Protective equipment during physical activities
Using protective equipment can help reduce the risk of injuries during physical activities, especially those that engage the shoulder. This gear acts as a barrier, decreasing the likelihood of injuries to the shoulder joint.
Therapy following shoulder injuries
It is essential to undergo appropriate therapy following a shoulder injury. This includes therapy and exercises carried out under the supervision of healthcare professionals to support proper shoulder healing and the restoration of strength and mobility.
Regular exercise
You may preserve the strength and flexibility of your shoulders by performing regular workouts that target your shoulder muscles. This enhances general shoulder health and lowers the risk of problems like arthritis or damage.4,6
FAQs
How does post-traumatic arthritis differ from other forms of arthritis?
Post-traumatic arthritis is unique because it is directly linked to a specific injury or trauma to the shoulder, unlike other types of arthritis that develop gradually over time due to wear and tear.
Does post-traumatic arthritis go away?
Yes. this condition is usually temporary and can do away with proper rest and therapy if needed.
How should I sleep with post-traumatic arthritis?
The best sleeping position would be on your back or the opposite side of the affected shoulder.
Summary
Post-traumatic arthritis in the shoulder is a condition that results from specific injuries or trauma to the shoulder joint. It can lead to chronic pain, stiffness, and limited mobility, impacting daily activities and overall quality of life. Understanding the causes, symptoms, and risk factors of post-traumatic arthritis is crucial for early diagnosis and effective management. Healthcare professionals play a vital role in diagnosing and treating this condition, utilising a combination of conservative approaches like medication, physical therapy, and lifestyle modifications, as well as surgical interventions when necessary.
Moreover, preventive measures such as wearing protective gear during physical activities, undergoing proper rehabilitation after shoulder injuries, and maintaining shoulder strength and flexibility through regular exercise can help reduce the risk of developing post-traumatic arthritis. By recognising and addressing post-traumatic arthritis early, individuals can improve their outcomes and maintain optimal shoulder health.
References
- Wiater JM, Flatow EL. POSTTRAUMATIC ARTHRITIS. Orthopedic Clinics of North America. 2000 Jan;31(1):63–76. Available from: https://www.sciencedirect.com/science/article/abs/pii/S0030589805701280?via%3Dihub
- Graham P. Post-Traumatic Arthritis of the Shoulder. Orthopaedic Nursing. 2019;38(6): 398–400. Availabe from: https://doi.org/10.1097/nor.0000000000000611.
- Senthelal S, Thomas MA. Arthritis. Nih.gov. StatPearls Publishing; Available from: https://www.ncbi.nlm.nih.gov/books/NBK518992/
- Punzi L, Galozzi P, Luisetto R, Favero M, Ramonda R, Oliviero F, et al. Post-traumatic arthritis: overview on pathogenic mechanisms and role of inflammation. RMD Open. 2016 Sep;2(2):e000279. Available from: https://rmdopen.bmj.com/content/2/2/e000279
- Lee DYL, Haas R, Wallis JA, O’Connor DA, Buchbinder R. Clinical practice guidelines for the management of atraumatic shoulder conditions: protocol for a systematic review. BMJ Open [Internet]. 2021 Apr;11(4):e048297. Available from: https://bmjopen.bmj.com/content/bmjopen/11/4/e048297.full.pdf
- Ng JPH, Tham SYY, Kolla S, Kwan YH, Tan JCH, Teo TWW, et al. Short-term comparative outcomes between reverse shoulder arthroplasty for shoulder trauma and shoulder arthritis: a Southeast Asian experience. Clinics in Shoulder and Elbow. 2022 Sep 1;25(3):210–6. https://pmc.ncbi.nlm.nih.gov/articles/PMC9471824/
- George MS. Arthroscopic Management of Shoulder Osteoarthritis. The Open Orthopaedics Journal. 2007;2(1): 23–26. https://doi.org/10.2174/1874325000802010023.

