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How to Treat Knee Pain That Persists One Year After Meniscus Surgery?

By Last updated on September 7th, 2020September 7th, 2020No Comments

Deciding to undergo surgery can be difficult, as there is a lot of information to consider. Some common concerns include risks, the efficacy of the surgery, and necessity.

Individuals with meniscus injury face many treatment options, but the list can run out – leaving them with the option of surgery.

Read on to learn about how meniscus surgery is conventionally treated, how surgery works, and alternative treatments for knee pain.

What is Meniscus?

The largest joint in the body is the knee, making it one of the most susceptible to injury as it carries much of the weight of the body. Injury and pain can occur due to disruptions of the intricate structures that keep the joint together.

To understand the function of the meniscus, we must first understand the structure of the joint. The knee joint is the conjunction of three bones, the thigh bone (femur), the shin bone (tibia), and the kneecap (patella).

Soft tissues that surround the joint include ligaments, muscles, and tendons. Each of these structures provide a service – ligaments connect the thigh bone to the shin bone and provide stability. Muscles help with motion of the joint while supporting it as well. Tendons are used to form connections like ligaments, but tendons connect muscles to bones.

Between the knee bones is cartilage which acts as protection from the bones – without cartilage, bones can rub against one another, causing pain and damage to the surrounding area. There are two major types of cartilage in the knee joint, each with a particular function:

  • Articular Cartilage: located at the ends of the bone, articular cartilage acts as a barrier between bones. This prevents the discomfort that comes with bones rubbing against each other. Articular cartilage can become damaged from long-term use or sudden injury.
  • Meniscus: located between the thigh and shin bones, the meniscus absorbs shock in the joint. There are two types of meniscus, medial and lateral. The medial meniscus is larger and more prone to injury. The lateral meniscus is smaller and less prone to injury, though it is not immune. The meniscus also provides stability to the joint and helps with weight distribution.

Injury to the cartilage can occur during sports, a car accident, a fall, and many more. Meniscus tears occur most commonly in athletes who participate in high-impact sports that involve twisting the knee. There is also a risk of cartilage deteriorating over time naturally, or from repetitive motion. Symptoms may vary, but there are some prominent ones to look out for:

  • Popping noises
  • Pain
  • Difficulty with balance
  • Less range of motion

Symptoms may begin as manageable and get worse over time, or they can occur suddenly depending on the cause. Pain could be short and sharp, or it could be more of a dull ache – or anywhere in between. Some minor injuries can heal on their own, but when knee pain persists after several weeks and begins to impede daily activities, it is time to consult a doctor.

How Meniscus Injury is Treated?

The first step to treating knee pain is finding the cause. Injury to the meniscus can often be spotted when a doctor performs a small series of tests to diagnose it. This may include watching the patient walk, bending the knee, and finding where the pain is located.

Doctors may order an MRI or other imaging techniques such as X-Rays or CT Scans. The images produced can give doctors a clear idea of what is causing knee pain, which can come from most of the different structures in the knee. MRI is a common technology used to diagnose meniscus injury because it takes an image of the soft tissue, which includes cartilage.

Once the diagnosis is certain, doctors can begin to devise a treatment plan that is specific to the patient’s individual needs. Meniscus injury can vary in severity, some tears are minor and cause very few symptoms, while others can be more severe and may require surgery.

Treating a meniscus injury generally includes a few important steps before surgery is considered:

  • Pain Management: many patients take over-the-counter drugs to relieve pain, such as Ibuprofen or Naproxen. Relieving pain can make it easier to perform daily activities that would otherwise be too difficult.
  • RICE: Rest, Ice, Compression, and Elevation can help reduce swelling while providing comfort.
  • Corrective Gear: knee braces can help keep the joint stable while it heals. Assistive devices such as crutches or a cane may be used so that less weight is put on the joint.
  • Physical Therapy: certain exercises can help the joint to restrengthen after an injury, especially if some muscles have atrophied during the healing process. Some of the goals of physical therapy are to restore range of motion, build strength, and reduce pain during certain activities.

Patients who go through these treatments may have some success, as the body is capable of healing itself. Some injuries are beyond natural repair, however, and require surgical intervention.

What Happens During Meniscus surgery?

Surgery is often considered a “last resort” for patients with knee pain. Though many patients begin to recover after only six weeks, it can be a difficult process. Every surgery comes with a set of risks that should be discussed thoroughly with doctors and surgeons before the operation begins. Some common concerns involve receiving anesthesia and the risks of infection or blood clots, for example.

The most common form of meniscus surgery is done arthroscopically. This means that the surgery begins with a small incision, into which surgeons place a tiny camera and tools which they use to repair the damage. This may involve shaving away damaged tissue, or repairing a tear.

As arthroscopy is a minimally invasive surgery, the recovery time is much shorter than that of a total knee replacement or other, more involved procedures. Many patients choose to try this form of surgery so that damage can begin to heal again. As with any treatment, however, there is a risk that symptoms do not go away, even after surgical intervention.

How Can Knee Pain Persist After Surgery?

There are several reasons why knee pain may continue after meniscus surgery. These reasons may vary depending on what was accomplished during the surgery. These are the most common reasons why pain persists:

  • Poor Rehabilitation: it is important that patients follow the instructions of doctors and physical therapists closely after an operation. This is a vulnerable time for the knee, and exercising in certain ways or developing a limp could cause more damage to the joint. This can be prevented by listening closely, practicing, and sticking to the regimen even when it’s difficult.
  • Developing Arthritis: arthritis occurs when the cartilage between bones begins to deteriorate. Some damage to cartilage that occurs due to arthritis can be difficult and even impossible to repair using arthroscopic surgery. This extra damage may occur after a surgery, in which case patients face the option of a total knee replacement surgery.
  • Damaged Meniscus: many surgeries that are performed to repair the meniscus are simply removing damaged tissue. When this occurs, the meniscus is smaller in size, but it is now expected to absorb the same amount of shock. This can lead to retearing of the meniscus, as well as increased pain and discomfort.

Though these are some common reasons why pain persists, there are several others, such as swelling and infection, that should be considered as well. Doctors will order new tests to determine the cause of persistent pain. These may include blood tests and images such as MRI.

Some medical professionals are skeptical of the efficacy of meniscus surgery, with some studies implying that it is ineffective and unnecessary. Those who deem the surgery unnecessary are likely aware of alternative treatments for meniscus injury that offer promising results for short- and long-term treatment.

Alternative Treatments for Knee Pain

Regenerative medicine is an emerging field of medical science that offers more long-term and effective treatment for meniscus tears, as well as a myriad of other conditions. These treatments work well on soft tissue, making them a good option for repairing damage to many types of cartilage.

These treatments work by using a patient’s own cells to enhance natural healing processes in the body. When damage occurs anywhere, the body sends certain cells to the area to begin making repairs. These treatments have found a way to inject a more densely packed version of some of these cells into the area where injury exists.

Two of the most promising treatments, both offered at CELLAXYS, are Platelet-Rich Plasma (PRP) Therapy and Stem Cell Therapy. The process for both is similar, beginning with a sample from the patient, which most often comes in the form of a blood draw. The samples are then processed to concentrate the healing properties and injected them into the area where healing is most necessary.

Doctors use imaging technology such as ultrasound or MRI to guide the needle to the location where its effects will be strongest. Both are outpatient procedures that can most often be performed in about two hours. Though some patients complain of pain near the injection site, most experience little to no side effects.

Though these treatments can be used to ease pain and discomfort in patients after surgery, they may also be a good option for someone who is considering surgery. Some patients are able to surpass the need for meniscus surgery, as the meniscus is more likely to heal with regenerative medicine. This eliminates the need to cut away tissue that could be otherwise used to support the knee and absorb shock.


A torn or damaged meniscus is a common injury, which can often be healed using at-home care. When pain persists, however, it is important to seek the advice of a medical professional. Many treatment options exist for meniscus injury, so it is important to consider all of the available options before making a decision on the road to recovery.

Dr. Matthew HC Otten

Dr. Matthew HC Otten

Director of Regenerative Orthopedic and Sports Medicine
Fellowship-trained & Board Certified in Sports medicine
Director Angiography at Harvard Clinical Research Institute
Michigan State University Alumni


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