Image Source: CU Anschutz newsroom
Chronic knee pain has long been a daunting challenge for many, leaving patients seeking a balance between effective treatment and major surgery. A surprising new alternative surgery, known as genicular artery embolization (GAE), is now emerging as a beacon of hope, providing relief to those who have exhausted conventional treatments.
Leigh Casadaban, MD, an esteemed interventional radiologist at CU Anschutz, has been at the forefront of this innovative procedure. GAE is a minimally invasive approach targeted at patients suffering from chronic knee pain, particularly those with osteoarthritis. In cases like that of 74-year-old Cynthia Schraf-Fletcher, the results are proving to be remarkably successful.
“I couldn’t be more pleased,” Schraf-Fletcher shared after undergoing the GAE procedure on her right knee. The relief she experienced was near identical to the total knee replacement she previously had on her left knee. Since then, she’s returned to gardening and exercising on a stationary bike, activities she had long struggle to enjoy due to pain.
Understanding Genicular Artery Embolization
What exactly is GAE? This cutting-edge procedure works by reducing blood flow to inflamed areas of the knee joint, thereby alleviating pain and reducing swelling. “For treating osteoarthritis in the knees, we often think of medications, physical therapy, and maybe a steroid injection, but there hasn’t been anything in between and GAE fills that gap,” explains Dr. Casadaban. GAE is especially beneficial for those experiencing mild to moderate osteoarthritis who have failed conservative treatments but are not yet ready for more invasive options, such as total knee replacement.
Dr. Casadaban notes that around 70% of patients report remarkable pain relief following the procedure, often cutting their pain scores in half or experiencing complete relief. After suffering complications from a previous knee replacement, Schraf-Fletcher was relieved to explore GAE as an alternative and is thrilled with her decision.
The procedure requires only a small incision in the leg and is performed under conscious sedation. An interventional radiology team guides a catheter through the femoral artery to the genicular arteries, where tiny beads are released to obstruct blood flow to the target area. Patients typically observe a brief recovery period and can return home the same day, following postoperative resting guidelines.
Ongoing Research and Promising Results
Emerging data surrounding GAE is encouraging. Research indicates that the symptom relief GAE offers can last for extended periods, with studies showing that patients can experience relief for up to four years following the procedure. The FDA has even recognized it as a “breakthrough device,” allowing for quicker access to advanced treatment options.
Currently, Dr. Casadaban is also leading clinical trials on this groundbreaking procedure at CU Anschutz. These trials study changes in fluid within the knee and evaluate a new temporary device in the arteries known as Nexsphere-F, aimed at targeting inflammation and pain effectively.
While osteoarthritis affects millions of individuals and can wreak havoc on various joints, GAE initially focuses on knee treatments. However, there are discussions about expanding its application to conditions like frozen shoulder and tennis elbow.
As the medical community continues to embrace innovations like GAE, patients struggling with chronic knee pain have reasons to remain hopeful. This new alternative provides an effective middle ground for those seeking relief without resorting to drastic surgical measures.
FAQ Section
What is genicular artery embolization?
Genicular artery embolization is a minimally invasive procedure designed to treat chronic knee pain by decreasing blood flow to inflamed areas within the knee joint.
Who are the best candidates for GAE?
The best candidates for GAE are individuals suffering from mild to moderate osteoarthritis and have not found relief from conservative treatments.
How long does the relief from GAE last?
Studies suggest that patients may experience pain relief for extended periods, potentially lasting from two to four years following the procedure.
Is GAE safer than total knee replacement?
GAE is considered safer as it is a minimally invasive procedure with a quicker recovery time compared to traditional total knee replacement surgery.
What activities can I resume after GAE?
Patients typically can resume normal activities, such as gardening and exercising, following a brief recovery period post-surgery.
