Knee Pain and Its Effect on Daily Activities

Knee pain is a prevalent musculoskeletal complaint that affects people of all ages, though it becomes increasingly common with age. It refers to any discomfort, soreness, or instability experienced in or around the knee joint. Some instances of knee pain are acute and result from sudden injury, while others are chronic and develop slowly. Regardless of its origin, pain can alter a person’s ability to move freely, interrupting daily life. Here’s information on the impacts of knee pain and what treatments are available:

What Causes Knee Pain?

The knee joint is a complex structure involving bones, cartilage, ligaments, and tendons. Knee pain causes are diverse, ranging from mechanical issues to inflammatory diseases. Injuries are a primary source of knee pain. An anterior cruciate ligament (ACL) injury is common among those who participate in sports that involve sudden stops or changes in direction.

The meniscus is the tough, rubbery cartilage that acts as a shock absorber between the shinbone and thighbone. Meniscus tears may occur if the knee is twisted while bearing weight, contributing to knee discomfort. Overuse syndromes often affect runners and cyclists due to repetitive stress on the knee joint without adequate recovery time.

Health conditions may also lead to knee discomfort. Osteoarthritis is a degenerative condition where the protective cartilage that cushions the ends of the bones wears down over time. This friction can lead to swelling, stiffness, and persistent discomfort. Rheumatoid arthritis, an autoimmune disease, can also target the knees, causing inflammation that damages the joint lining.

How Does Pain Affect Daily Life?

Chronic or acute pain extends beyond physical sensation, as it can fundamentally change how individuals interact with their environment. Knee pain may make simple movements challenging. Walking, climbing stairs, or even standing up from a seated position can trigger discomfort. For many, knee discomfort interferes with professional responsibilities, particularly for those with physically demanding jobs that require activities like:

• Lifting
• Squatting
• Prolonged Standing

Even in office settings, sitting with the knee bent for extended periods can increase stiffness and pain. Leisure activities also suffer, as hobbies like gardening, hiking, or playing sports may become too painful to pursue. This reduction in activity can lead to social isolation and a decline in mental health, as individuals are forced to opt out of events they once enjoyed.

What Services Treat Knee Pain?

Managing knee pain typically involves a multi-disciplinary approach tailored to the specific diagnosis and severity of the condition. Initial treatments often focus on conservative management. Over-the-counter pain relievers and anti-inflammatory medications may help reduce symptoms, and physical therapy is fundamental for strengthening the muscles around the knee to provide better support and stability. When conservative measures are insufficient, more advanced interventions may be necessary, such as:

• Corticosteroid Injections
• Hyaluronic Acid Injections
• Orthopedic Surgery

How Can a Radiologist Help?

While orthopedists and physical therapists are often the first points of contact, interventional radiologists offer minimally invasive procedures as part of some pain management plans. They can provide relief for patients who may not be candidates for major surgery or who have not found relief through traditional methods.

Genicular Radiofrequency Ablation

Genicular nerve radiofrequency ablation (RFA) is a procedure that disrupts the pain signals sent from the knee to the brain. During this treatment, a radiologist uses imaging guidance to place special needles near the sensory nerves of the knee. These are the genicular nerves. Radiofrequency energy is then applied to create a heat lesion on these nerves, effectively “turning off” the transmission of pain signals.

Genicular Artery Embolization

Genicular artery embolization (GAE) targets the inflammation associated with knee conditions, particularly for osteoarthritis. Chronic inflammation in the knee often leads to the formation of abnormal blood vessels. In GAE, a radiologist inserts a catheter into the arteries supplying the knee and injects tiny particles to block these abnormal vessels. This reduces the blood flow to the inflamed lining of the knee (synovium), thereby decreasing inflammation. This then provides long-term pain relief without affecting the healthy blood supply to the bone and cartilage

Learn More About Knee Pain Management

Knee conditions can affect daily activities and reduce independence, but numerous treatments are available. From physical therapy to advanced interventional radiology procedures, there are treatments to help you manage your pain. To learn which treatments are right for your needs, contact a specialist, like a radiologist, today. A professional consultation helps you obtain an accurate diagnosis and develop a comprehensive treatment plan.

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