Ultrasound-Guided Cortisone Injections for Prepatellar Bursitis

 

Introduction

Prepatellar bursitis, commonly known as “housemaid’s knee,” is a condition characterised by inflammation of the prepatellar bursa, a fluid-filled sac located in front of the kneecap. This condition can lead to swelling, pain, and limited mobility, affecting both daily activities and work performance. At Alton Pain Clinic, we are dedicated to providing tailored care for conditions such as prepatellar bursitis, using advanced techniques like ultrasound-guided cortisone injections to support symptom management and recovery.

Anatomy of the Prepatellar Bursa

The prepatellar bursa is one of the several bursae located around the knee joint.

  • Location: Positioned between the skin and the kneecap (patella), it serves as a cushion to reduce friction and facilitate smooth movement when the knee is in motion.
  • Structure: The bursa is a thin sac lined by synovial cells that secrete a small amount of lubricating fluid, enabling smooth interaction between the skin and underlying structures during knee flexion and extension.
  • Function: It protects the patella from external pressure and reduces the impact on the front of the knee.

Pathology of Prepatellar Bursitis

Causes

Prepatellar bursitis can develop due to various factors, including:

  1. Repetitive Trauma: Activities involving prolonged kneeling or repetitive pressure on the knee, common among professions such as carpet layers and gardeners.
  2. Acute Trauma: A direct blow to the kneecap may cause inflammation of the bursa.
  3. Infection: Bacterial infections, particularly Staphylococcus aureus, can lead to septic bursitis.
  4. Systemic Conditions: Conditions like gout or rheumatoid arthritis can predispose individuals to inflammation of the bursa.

Types

  • Non-Septic (Aseptic) Bursitis: Inflammation without infection, often due to mechanical irritation.
  • Septic Bursitis: Caused by bacterial infection, requiring prompt medical attention to prevent complications.

Symptoms

  • Swelling over the kneecap, often visible and palpable.
  • Pain, especially during knee movement or direct pressure.
  • Redness and warmth in septic cases.
  • Limited range of motion due to discomfort and swelling.

Diagnosis of Prepatellar Bursitis

Accurate diagnosis is crucial for effective management. At Alton Pain Clinic, we follow a thorough approach to assessment, including:

  1. Medical History: Evaluating symptoms, occupational risks, and previous injuries.
  2. Physical Examination: Inspecting for swelling, redness, and tenderness.
  3. Imaging Studies: Ultrasound is often used to visualise the inflamed bursa and rule out other conditions, such as patellar tendinitis or ligament injuries.
  4. Laboratory Tests: In suspected septic bursitis, fluid aspiration may be performed to analyse for infection or crystals indicative of gout.

Management of Prepatellar Bursitis

Treatment approaches depend on the underlying cause and severity of the condition. Management strategies include:

  1. Rest and Activity Modification: Reducing activities that place pressure on the knee.
  2. Ultrasound-Guided Cortisone Injections: An advanced treatment option for persistent inflammation, as discussed in detail below.

Ultrasound-Guided Cortisone Injections at Alton Pain Clinic

Overview

Cortisone injections are a targeted treatment designed to address inflammation within the prepatellar bursa. Ultrasound guidance ensures precision, allowing the medication to be delivered directly to the inflamed area.

Benefits of Ultrasound Guidance

  • Enhanced accuracy in medication delivery.
  • Reduced risk of complications by avoiding nearby structures.
  • Real-time imaging provides clarity during the procedure.

Mechanism of Action of Cortisone

Cortisone, a corticosteroid, works by modulating the body’s inflammatory response:

  • Anti-Inflammatory Effects: Cortisone suppresses the production of inflammatory mediators such as prostaglandins and cytokines. This reduces swelling and alleviates pain.
  • Stabilisation of Cell Membranes: It inhibits the release of enzymes from inflammatory cells, further minimising tissue damage.
  • Improvement in Mobility: By reducing inflammation, cortisone can help restore joint function and range of motion.

Why Choose Alton Pain Clinic?

At Alton Pain Clinic, we pride ourselves on offering patient-centred care tailored to individual needs. Our ultrasound-guided cortisone injections are performed by experienced professionals in a supportive environment. Here’s why you can trust us:

  1. Expertise: Our clinicians are skilled in advanced imaging techniques to ensure precise treatment.
  2. Comprehensive Care: We provide a holistic approach, addressing both immediate symptoms and long-term well-being.
  3. Personalised Treatment Plans: We customise each treatment to align with the patient’s unique circumstances and goals.

Preventive Measures for Prepatellar Bursitis

  • Protective Equipment: Use knee pads during activities that involve prolonged kneeling.
  • Work Modifications: Alternate tasks to minimise continuous pressure on the knees.
  • Stretching and Strengthening Exercises: Maintain flexibility and strength in surrounding muscles to support the knee joint.

Conclusion

Prepatellar bursitis is a condition that can significantly impact daily life, but with accurate diagnosis and tailored treatment, relief is achievable. At Alton Pain Clinic, our focus on advanced treatments like ultrasound-guided cortisone injections ensures precise and effective care. While the injections help manage inflammation and pain, our holistic approach aims to support overall recovery and improve the quality of life for our patients.

For more information or to schedule a consultation, please contact Alton Pain Clinic. Let us support your journey to recovery with expertise and compassion.

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