How Long Does a Knee Nerve Block Last? And Other FAQs About Knee Nerve Blocks
How long does a knee nerve block last?
How long a knee nerve block (also known as a genicular nerve block) lasts depends on the type of nerve block, the type of numbing medicine used, and other factors. Generally speaking, a genicular nerve block lasts 12 to 24 hours. A knee nerve block is a temporary solution to knee pain because it involves using an anesthetic medicine to numb the affected nerves responsible for transmitting the pain signals to your brain. Once the anesthetic effect wears off, your knee pain returns.
Considering the transience of a knee nerve block, you might wonder why it’s even worth the effort. Well, a knee nerve block is primarily used for diagnostic purposes. The knee pain doctor injects the nerve block medicine into the targeted nerve endings. If you experience pain relief, the knee pain doctor understands that they’ve targeted the correct medicine, allowing them to curate a more long-term solution. If you don’t experience pain relief, the knee pain doctor will inject a nerve block into another nerve ending.
Knee Pain Doctor NYC is a state-of-the-art knee pain treatment center specializing in cutting-edge minimally invasive knee pain treatments. Our interventional pain doctors use the latest techniques to identify and treat the root cause of chronic knee pain, ensuring safe and long-lasting results. We perform a genicular nerve block to diagnose the root cause of knee pain, following which we may perform a radiofrequency ablation to ensure long-lasting pain relief for several months.
You can find our interventional knee pain doctors at 290 Madison in Midtown Manhattan or the Financial District. Please schedule an appointment for your knee nerve block in New York.
What is the genicular nerve block?
A genicular nerve block is a minimally invasive treatment that involves injecting numbing medicine into the genicular nerves around the knee joint. The knee joint has several nerve endings, including the femoral nerve, common peroneal nerve, tibial nerve, and obturator nerves. The genicular nerves are responsible for your knee’s ability to feel and move. When the genicular nerves are pinched or irritated, you also experience chronic knee pain.
A genicular nerve block is a diagnostic procedure that involves delivering a local anesthetic into the targeted genicular nerves around your knee joint. If you experience pain relief, the knee pain doctor knows which nerve ending to target during the radiofrequency ablation. If you don’t experience knee pain relief, the knee pain doctor can target another one of the genicular nerves. The knee pain doctor can individually target each of the genicular nerves to identify the specific nerve responsible for your knee pain.
Why do I need a knee nerve block?
A knee nerve block can help knee pain doctors diagnose the specific root cause of your knee pain. After a knee nerve block, the knee pain doctor may perform the radiofrequency ablation procedure with optimal precision. Radiofrequency ablation involves burning the irritated nerve fibers to alleviate knee pain for an extended period of several months, giving you plenty of time to engage in physical therapy and other treatments to address the root cause of knee pain.
Furthermore, you may also receive a femoral nerve block for knee surgery or a surgical nerve block for total knee arthroplasty. A nerve block for ankle surgery decreases your knee pain before, during, and after surgery. Since this procedure minimizes your nerve’s ability to transmit pain, you can recover from your knee surgery without relying on oral medications and painkillers, so there are fewer side effects.
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Are knee nerve blocks safe?
Knee nerve blocks involve some side effects, such as numbness, weakness of the muscles, redness, and others. You may also experience increased knee pain as the anesthetic wears off, so you may have to take oral medications in advance. But the risk of complications, such as infections and large bruises, are fairly minimal.
Is a knee nerve block painful?
Knee nerve blocks cause little to no pain during the treatment. Most patients say the knee nerve block anesthesia is less painful than an IV catheter. If you’re anxious, you can also receive a mild sedative to alleviate anxiety and emotional discomfort.
What happens during the nerve block procedure?
The nerve block procedure concludes within 5 to 20 minutes. Your knee pain doctor may provide a nerve block anesthesia to ensure comfort, following which the treatment begins. The knee pain doctor will use imaging techniques to guide the nerve block injection into the targeted genicular nerves around your knee joints. Once you receive the medicine, you should experience pain relief within a few minutes, depending on the type of medication and other factors. You can resume your daily activities soon after the nerve block procedure.
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When will I experience the results?
Depending on the treated area, the type of numbing medicine used, and other factors, you may notice the results of your knee nerve block within 45 minutes.
How can I ensure long-lasting knee pain relief?
Knee nerve blocks provide instant pain relief, but they mostly serve a diagnostic purpose. You need to continue with over-the-counter medications and physical therapy to alleviate inflammation and improve your mobility. After diagnosing the irritated genicular nerve, the knee pain doctor will also perform a radiofrequency ablation to destroy the nerve ending responsible for your knee pain. Radiofrequency ablation can offer more long-lasting results for several months or years.
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Dr. George Hanna
Dr. Hanna is available for Knee Pain treatment consultations in Manhattan, New York.
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