About Sacroiliac Joint Dysfunction

Overview

Sacroiliac joint dysfunction (SIJD) refers to pain in the lower back caused by abnormal movement of the sacroiliac joint. This joint connects the sacrum (lower part of the spine) to the ilium (pelvis). SIJD can occur if the joint moves either too little or too much. It is estimated to be the main cause of up to 40% of low back pain cases. The sacroiliac joint is a complex structure, consisting of both synovial (fluid-filled) and cartilaginous (cartilage) parts. It is supported by ligaments (sacroiliac, sacrotuberous, sacrospinous) and muscles in the lower back and abdomen. SIJD can result from factors such as muscular imbalances, difference in leg length, or sudden injuries. Common symptoms include lower back pain, buttock pain, hip discomfort, and difficulty sitting or moving from sitting to standing. Diagnosis is typically made through physical examination and may involve imaging tests. Treatment options include medication, physical therapy exercises, and injections into the joint. In some cases, surgery may be recommended to stabilize the joint.

Causes and Risk Factors

The underlying causes of sacroiliac joint dysfunction (SIJD) are not fully understood. However, there are several factors that can contribute to its development. These include:

Altered or impaired biomechanical functioning: Changes in how the sacroiliac joint works can affect the surrounding muscles and ligaments, leading to pain or dysfunction.
Biomechanical incompetence: The joint may not handle or distribute weight properly, even if there isn't a specific disease or injury present.
Musculosketal disorders: Different muscle and bone problems can affect the sacroiliac joint, leading to discomfort or impaired function.

Non-modifiable risk factors for SIJD cannot be changed or controlled. These include:

Ankylosing spondylitis and reactive arthritis: These are types of inflammatory arthritis that get worse over time and primarily affect the spine and hips. Sacroiliitis (inflammation of the sacroiliac joints) is often an early symptom.
Traumatic injury: Damage to the sacroiliac joints can cause inflammation, leading to degenerative sacroiliitis (wear and tear of the joint).
Pregnancy: The stretching of the sacroiliac joints during this time can put stress on the joints and lead to sacroiliitis.
Infection: An infection in the sacroiliac joint, can cause inflammation and damage.

Modifiable risk factors for SIJD can be influenced or changed. These include:

Prolonged sitting or standing, running, or placing excessive weight on one leg for extended periods.
Overuse or repetitive motions that can damage the joint.
Obesity, which places extra strain on the sacroiliac joints.

It's important to note that while these risk factors may increase the likelihood of developing SIJD, they do not guarantee its occurrence. If you suspect you have SIJD or have concerns about your risk factors, it's best to consult with a healthcare professional for an accurate diagnosis and personalized advice.

Symptoms

The most common early symptoms of sacroiliac joint dysfunction (SIJD) include:

Lower back pain: Many individuals with this condition experience pain in the lower back, which can be mild to severe.
Difficulty walking: Some people may have difficulty walking due to the discomfort caused by the dysfunction.

As SIJD progresses or becomes more severe, additional symptoms may occur. These can include:

Stiffness or loss of flexibility: The joint dysfunction can lead to stiffness or a limited range of movement.
Swelling: Inflammation in the joint can cause swelling in the affected area.
Limited range of movement: As the dysfunction worsens, individuals may experience a decreased ability to move their hips and lower back.
Pain radiating down the legs: The pain may extend from the lower back and buttocks down one or both legs.
Groin pain: Some individuals may also experience pain in the groin area.

It's important to note that symptoms can vary from person to person, and not everyone will experience all of these symptoms. If you suspect you have sacroiliac joint dysfunction, it's best to consult with a healthcare professional for an accurate diagnosis and appropriate treatment options.

Diagnosis

To diagnose sacroiliac joint dysfunction (SIJD), doctors commonly perform the following examinations, tests, and procedures:

Physical exam: A doctor may manipulate the joints by flexing and rotating the knee and hip to see if it causes pain.
Medical history: Doctors will ask about your symptoms, medical history, and any previous injuries or conditions that may contribute to the pain.
Imaging tests: X-rays or MRI (magnetic resonance imaging) scans can provide insight into the underlying causes of SIJD. However, these tests alone are not reliable for diagnosing SIJD as they have low sensitivity to detect the condition accurately.

To determine the severity of SIJD, additional examinations, tests, and procedures may be performed:

Provocative maneuvers: These are physical tests used to diagnose sacroiliitis or SIJD. These tests involve movements that put stress on the sacroiliac joints so see if they cause pain. Examples include the distraction test, compression test, Gaenslen test, thigh thrust test, sacral thrust test, and flexion, abduction, and external rotation (FABER) test. Typically, three positive results from these tests are needed to diagnose SIJD.
Diagnostic blockade: Fluoroscopy-guided block (an imaging-guided injection) is considered the most reliable method for diagnosis. If pain is reduced after an injection of numbing medicine (an anesthetic) into the sacroiliac (SI) joint, the diagnosis is confirmed.
Relief with local anesthetic injection: Pain relief after an anesthetic injection into the SI joint or lateral branch nerves can be used to diagnose SIJD.

It's important to consult with a healthcare professional for a proper diagnosis and to determine the severity of SIJD.

Treatment Options

The goals of treatment for sacroiliac joint dysfunction (SIJD) are to relieve pain, improve joint function, and restore mobility. Here are the recommended treatment options and how they work to achieve these goals:

Medications:
- Nonsteroidal anti-inflammatory drugs (NSAIDs): These medications help reduce pain and inflammation in the SI joint.
- Muscle relaxants: They can help relax the muscles around the SI joint, reducing pain and muscle spasms.
Therapies:
- Physical therapy: This involves exercises to strengthen the core and pelvic muscles, improving stability and reducing stress on the SI joint.
- Acupuncture: This traditional Chinese therapy stimulates the nervous system, releasing natural pain-relieving substances and promoting healing.
- Manual therapy: Techniques like tuina or fascial manipulation aim to relax soft tissues and muscles around the SI joint, restoring joint alignment and reducing pain.
Therapeutic procedures:
- Corticosteroid injections: These injections deliver anti-inflammatory medication directly into the SI joint, providing short-term pain relief.
- Radiofrequency denervation: This procedure uses heat to disrupt the nerves transmitting pain signals from the SI joint.
Health behavior changes:
- Rest: Taking breaks and avoiding activities that worsen SIJD symptoms can help reduce pain and promote healing.
- Applying ice or heat: Alternating between ice packs and heat therapy can alleviate pain and inflammation in the SI joint.

It's important to note that each treatment option may have varying levels of effectiveness for different individuals. Consulting with a healthcare professional is crucial to determine the most suitable approach for your specific condition.

Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.