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Referred Pain – Is Your Hip the Problem or Knee?

dr rashid ganji

Common Referred Pain Mixup

Not a day goes by that a patient doesn’t arrive at the office of Dr. Rashid Ganji, chief orthopedic surgeon of Sina Hospital, complaining of knee pain.

hip painJust recently, a woman arrived to the office in so much pain. The discomfort was so severe that she needed assistance from her daughter to go anywhere.

She, like everyone else that day visiting, was complaining of the pain in her knee. Dr. Ganji, however, examines the patient, takes a look at her x-rays and notices more than a knee issue.

Due to a car accident many years ago, the patient developed a hip problem. She left it untreated for years. Unfortunately, even total knee replacement wouldn’t solve her knee issue.

What is Referred Pain?

What this patient and others commonly experience is what is known as, “referred pain”. Doctors say it is an area of pain in the body that is not located near the source of pain (academic source)

Referred pain is when pain is felt somewhere other than where it originates. A common example is when you think you have lower back pain, but it’s actually kidneys that are causing pain.

Our nervous system is a sort of shared “wiring” system. The pathways of the nerves to organs of our body is innervation.

The kidneys and lower back share the same neurologic pathways to the brain and the sensations or signals become crossed.

Referred pain is when pain is felt somewhere other than where it originates. A common example is when you think you have lower back pain, but it’s actually kidneys that are causing the pain.

Osteoarthritis in the Knee Joint

This is very common among patients with arthritis. It’s extremely common to occur in joints, especially people with hip osteoarthritis. It’s not uncommon for patients with hip osteoarthritis to have pain in their groin. There may also be pain in the thigh that goes all the way down to the knee.

osteoarthritis knee pain

Knee pain that goes with hip osteoarthritis tend to get worse over time. Pain and discomfort will come from movement of the hip rather than the knee, since hip-to-knee referral pain doesn’t go both ways.

If a patient complains of consistent knee pain, it doesn’t necessarily mean it’s the hip, because knee osteoarthritis is common. Dr. Ganji examines the knee, but he also examines the hip and back. If he concludes the knee joint is normal, he would assess the patient’s mobility. After the doctor examines the x-rays he can determine the source of the pain.

Sometimes specialists cannot determine the source of pain, so they inject a numbing agent into the hip. If the knee pain goes away, then the problem is not the knee. Dr. Ganji doesn’t practice this technique since he focuses solely on total knee replacement. He recommends patients to a qualified orthopedist that specializes in a patients specific ailment.

Treating Referred Pain

If the knee pain is found to be coming from the arthritic hip, nonsteroidal anti-inflammatory drugs, physical therapy or finally hip replacement is recommended.referred pain example

Referred pain is not something to ignore. It is something tangible and should be addressed soon. Patients shouldn’t avoid dealing with the pain in hopes of the pain hopefully disappearing.

A trained knee surgeon like Dr. Ganji will explain total knee replacement is not necessary and recommend a suitable specialist to solve the issue.

So talk to your doctor sooner rather than later if you are experiencing any type of persisting pain. Keep track of the type of pain and location so that you can explain it to your physician. This way you can rest assured that the condition is addressed before it becomes a serious issue.

Regarding the patient who complained of knee surgery, she first needs to see a hip specialist and then come back to be re-evaluated by Dr. Ganji. You can watch the video of Dr. Ganji’s diagnosis  below. Subtitles are available.

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