Man Holding Lower back due to pain in facet joints

Facet Joint Injections

Facet joint injections are a minimally invasive treatment option for patients experiencing chronic spinal pain. The facet joints are small stabilising joints located between and behind adjacent vertebrae in the spine, and they can become sources of pain due to degenerative conditions such as arthritis or injury. When conservative management, such as medication or physical therapy, does not sufficiently alleviate discomfort, a facet joint injection may be considered.

The procedure typically involves the administration of a combination of a long-lasting steroid and a local anaesthetic directly into the facet joint. The steroid acts to reduce inflammation and can offer extended relief from pain, while the anaesthetic provides immediate pain relief. This dual-action approach can help patients resume their normal activities with less discomfort and improve their quality of life.

Offering both diagnostic and therapeutic benefits, a successful facet joint injection can also help to confirm that the facet joints are indeed the source of pain. Should the patient experience significant pain relief following the injection, it can indicate that the facet joints are contributing to the spinal discomfort. As with any medical procedure, potential risks and the suitability of facet joint injections for an individual’s specific condition should be thoroughly discussed with a healthcare professional.

Understanding Facet Joints and Their Role in Back Pain

Facet joints are pivotal to spinal stability and flexibility, serving as a major source of back pain when afflicted by disorders or injuries.

Anatomy of Facet Joints

The spine’s structural integrity relies heavily on facet joints, which connect vertebrae and facilitate bending and twisting motions. Resembling a series of interlocking fingers, they are lined with cartilage and enveloped in a lubricating capsule, ensuring smooth gliding movements between each spinal segment.

Facet Joint Disorders

Disorders of the facet joints often develop from osteoarthritis, the chronic wear and tear of cartilage. This can lead to facet joint syndrome, a condition characterised by stiffness and pain in the area. It’s a prevalent issue as one advances in age and the cartilage naturally deteriorates, or due to direct injury causing inflammation of the joints.

Symptoms of Facet Joint-Related Pain

Symptoms often manifest as back pain, which can be concentrated in the lower back, neck, or, in less common cases, the middle of the spine. The discomfort may intensify with twisting or arching movements. Additionally, this pain can radiate outward, simulating a variety of other conditions and leading to widespread spine pain.

What Are Facet Joint Injections?

Facet joint injections are a minimally invasive treatment option for managing chronic pain associated with the facet joints in the spine.

Purpose of Facet Joint Injections

The primary purpose of facet joint injections is to alleviate pain and discomfort emanating from facet joints, which are small stabilising joints located between and behind adjacent vertebrae. They are commonly used to address symptoms of facet joint disorders such as arthritis or injury, providing temporary to long-term pain relief. These injections can serve as a diagnostic tool to confirm that the facet joints are indeed the source of pain.

Components of the Injection

Facet joint injections typically contain two main components: a local anaesthetic to provide immediate pain relief and a steroid medication to reduce inflammation. Steroid medication, such as cortisone, can have a lasting effect on reducing pain and swelling. Local anaesthetic serves to numb the targeted area and, when used alone, helps determine if the facet joint is the pain generator. Together, they make a potent combination for pain management, aiming to restore mobility and improve the quality of life for individuals suffering from chronic back pain.

The Procedure of Facet Joint Injections

Facet joint injections are a minimally invasive procedure aimed at alleviating back pain originating from the facet joints. These injections often combine a local anaesthetic with a steroid to offer pain relief and reduce inflammation.

Preparation for the Injection

Patients scheduled for a facet joint injection are typically advised to avoid eating or drinking for several hours before the procedure. It is an outpatient treatment, meaning they will not need to stay overnight in a hospital. The medical team may administer anxiolytics for relaxation if the patient experiences anxiety. Fluoroscopy, a form of real-time X-ray, is often used to guide the injection, ensuring accuracy and safety.

Performing the Injection

During the procedure, the patient is positioned to allow the physician clear access to the facet joints. They will apply a local anaesthetic to numb the area before inserting the needle. The use of fluoroscopy ensures the precise placement of the needle near the nerve supplying the facet joint. Typically, a mixture of a long-lasting steroid and anesthetic is injected to provide extended pain relief.

Post-Procedural Care

Immediately following the injection, patients spend some time in a recovery area while the initial effects of the sedation wear off. They are usually monitored briefly for any adverse reactions. While some may experience immediate pain relief from the anaesthetic, the full effect of the steroids may not be evident until a few days after the procedure. Patients are often advised to rest for the remainder of the day and may be given specific instructions regarding activity restrictions and care for the injection site.

Benefits and Risks of Facet Joint Injections

Facet joint injections can be an effective means to manage spinal pain, offering relief where other treatments may have failed. However, they are not without potential risks that need to be considered.

Pain Management and Relief

Facet joint injections are primarily used for pain relief and may reduce inflammation in the spinal joints. Patients may experience a significant decrease in pain, which can improve mobility and function. This treatment can be particularly beneficial for those suffering from chronic back pain as it targets the source of discomfort directly.

Potential Complications

While many individuals experience substantial pain relief with facet joint injections, there are also associated risks:

  • Infection: Albeit rare, any procedure that breaks the skin carries a risk of infection.
  • Bleeding: Patients may experience bleeding at the injection site.
  • Allergic Reaction: There is a possible risk of an allergic reaction to the medications used.
  • Side Effects: Side effects can include swelling and pain at the injection site, and in some cases, there may be temporarily increased back pain following the procedure.
  • Complications: While uncommon, complications such as excessive bleeding and vasovagal reactions (e.g., dizziness, nausea) can occur. With cervical procedures, more serious complications like vertebral artery damage and phrenic nerve palsy may be risks to consider.

Facet joint injections can provide substantial pain relief for many, but it is imperative to discuss the potential complications with a healthcare professional to make an informed decision about treatment.

Rehabilitation and Physical Therapy Post-Injection

Following a facet joint injection, patients usually embark on a rehabilitation programme to enhance recovery and functionality. This includes incorporating physical therapy and recommended exercises to foster a return to normal activities, underpinned by appropriate rest periods.

Role of Physical Therapy

Physical therapy plays a crucial role in the post-injection phase for improving range of motion and strengthening the muscles that support the spine. The objective is to maximise the efficacy of the injection, and facilitate a return to regular activities. Specially trained physiotherapists devise customised plans for each patient, taking into account the specific conditions and outcomes of their injection therapy. Guidance received during sessions, such as the Post Injection class at Kingston Hospital, can be particularly beneficial.

  • Initial Rest: Incorporating a brief period of rest post-procedure to allow the anti-inflammatory effects of the injection to take hold.
  • Gradual Activity: As discomfort diminishes, patients are guided to gradually reintroduce movement and resume normal activities.
  • Individualised Plans: Therapists provide tailored exercises, aimed at reducing pain and improving function.

Exercises and Activities

Engaging in appropriate exercises is vital to the recovery process after receiving a facet joint injection. These activities help maintain mobility and prevent stiffness in the facet joints.

  • Stretching: Light stretching exercises can be beneficial to prevent stiffness.
  • Strength Training: As recovery progresses, gentle strength training to bolster the muscles around the spine.
  • Low-Impact Cardio: Walking and swimming can aid in maintaining general fitness without placing undue strain on the joints.

It is critical for patients to adhere to the recommendations provided by their healthcare provider to ensure a safe and effective rehabilitation process.

Understanding the Role of Imaging in Facet Joint Injections

Imaging techniques such as fluoroscopy and ultrasound play a critical role in the administration of facet joint injections, ensuring accuracy and safety. These imaging modalities aid clinicians in visualising the bony structures and guiding the needle to the precise location for effective pain relief.

Use of Fluoroscopy and Ultrasound

Fluoroscopy is a type of medical imaging that shows a continuous X-ray image on a monitor, much like an X-ray movie. During facet joint injections, fluoroscopy provides real-time images of the spine, permitting the practitioner to monitor the needle’s path and confirm its correct placement within the facet joint. The ability to visualise the bony vertebrae and surrounding structures reduces the risk of inadvertent damage to adjacent tissues.

Ultrasound, on the other hand, uses high-frequency sound waves to produce images of the body’s internal structures. When employed for facet joint injections, ultrasound can help in identifying soft tissue structures and guiding the needle without the use of ionising radiation. This is especially beneficial for patients who are sensitive to radiation or for whom fluoroscopy may not be suitable.

Contrast Dye and Visualisation

The administration of facet joint injections often involves the use of a contrast dye, which enhances the visualisation of the joint space. When injected, this dye shows up on fluoroscopic images, confirming that the needle is accurately positioned within the facet joint capsule. This step is critical as it provides visual confirmation of the correct needle placement before delivering the therapeutic substances, such as corticosteroids or anaesthetic.

In conclusion, imaging technologies such as fluoroscopy and ultrasound, alongside the use of contrast dye, significantly improve the precision and efficacy of facet joint injections. They provide clinicians with the tools necessary to navigate complex spinal anatomy while minimising risks and maximising patient outcomes.

Patient Considerations Before Undergoing an Injection

Before undergoing a facet joint injection, patients need to be aware of the importance of discussing their medical history and any allergies with their healthcare provider to ensure safety and efficacy of the procedure.

Medical History and Allergies

Patients should provide a comprehensive medical history including any conditions such as diabetes or if they are currently pregnant. This information helps determine suitability for the injection and anticipated response to the treatment. It is also crucial to disclose all known allergies especially to medications, as some injectable agents or the accompanying local anaesthesia might trigger allergic reactions.

Contraindications and Precautions

Certain contraindications may preclude a patient from receiving a facet joint injection. Those on anticoagulant therapy may require special consideration due to increased risk of bleeding. Precautions are necessary for patients with a history of compromised immune systems or those currently taking anti-inflammatory drugs. Informed consent is a prerequisite, ensuring patients understand the potential risks and benefits of the procedure.

Aftercare and Monitoring Post-Injection

Following a facet joint injection, patients typically focus on recovery, keenly observing any side effects. Proper aftercare ensures that any issues such as swelling or soreness are managed effectively. Adherence to aftercare guidelines also facilitates a smoother return to daily activities, including driving.

Dealing with Side Effects

It’s common for patients to experience some temporary side effects after a facet joint injection. These may include:

  • Swelling at the injection site, often managed with ice packs applied intermittently for the first 48 hours.
  • Soreness or discomfort, which can usually be alleviated with over-the-counter pain relief medications, as recommended by a healthcare professional.

Patients are typically advised to rest for the remainder of the day post-injection. They should monitor the injection site for signs of infection, which, while rare, may include increased redness, swelling, or persistent pain.

Follow-up and Evaluation

Healthcare professionals typically recommend a follow-up visit to evaluate the patient’s response to the injection. This evaluation is crucial in:

  • Assessing the effectiveness of the injection for pain relief.
  • Planning further treatment if necessary.

During this period, they may advise against driving for at least 24 hours post-procedure. The timeline for a full return to activities can vary, and patients should follow the specific guidance provided by their healthcare professional.

Frequently Asked Questions

This section addresses common inquiries about facet joint injections, providing practical details to assist patients in understanding what to anticipate from the procedure and its aftermath.

What are the potential side effects of facet joint injections?

Patients typically experience minimal side effects from facet joint injections, but some may encounter swelling and pain at the injection site. These side effects are usually temporary, and any discomfort can often be managed with ice packs to help reduce the pain.

How much do facet joint injections typically cost?

The cost of facet joint injections can vary depending on several factors, including the healthcare provider, geographical location, and whether additional scans or tests are necessary. Since this is a medical procedure, it is advisable for patients to consult directly with their clinic for accurate pricing details.

Can you provide reviews on the efficacy of facet joint injections?

Reviews of the efficacy of facet joint injections are mixed, reflecting individual patient experiences and responses to treatment. Patients should confer with their healthcare provider for a thorough understanding of how effective this treatment may be for their specific condition.

What duration of relief can one expect from facet joint injections?

Relief duration from facet joint injections may differ for each patient but generally ranges from a few days to several months. It is crucial to note that these injections are often used as part of a comprehensive pain management plan.

What are the recommended activities or restrictions following a facet injection?

After receiving a facet joint injection, patients are often advised to avoid strenuous activities for a few days. They may need to rest from activities that would strain their back or the affected joints, with a gradual return to normal activity levels.

After a facet joint injection, what alternatives are considered if pain persists?

If pain persists following a facet joint injection, healthcare providers may explore other treatment alternatives, such as physical therapy, medications, or in some cases, surgery. Each patient’s treatment options would be based on their individual circumstances and medical advice.

How can I book a Facet Joint Injection in Manchester?

MyMSK Clinic offer an initial consultation for patients suffering from Lower Back Pain. This involves a thorough examination and sometimes a ultrasound scan to try and diagnose the issue as accurately as possible. Once comfortable the clinician may suggest a facet joint injection which can be done at the same consultation session.

To Book in please call us at 0333 772 9655 or visit our online Booking Page.

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Dr Amir Akhtar

Dr Akhtar is a GMC registered doctor and a GOSc registered Osteopath. After gaining his medical degree he underwent further training to become  a qualified osteopath and completed training in Ultrasound Scanning, Spinal Injections and Prolotherapy. 
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