In my practice, I usually explain revision or failed hip surgery in simple terms: a patient had an earlier hip operation, but the result is no longer working as intended, or a complication has developed that needs another procedure. In orthopedic practice, this most often means revision hip replacement after a previous hip replacement has become loose, painful, unstable, infected, worn out, broken, or associated with bone loss around the implant.[1][2]
For patients in Dhaka and across Bangladesh, revision hip surgery can feel more worrying than the first operation. That concern is understandable. Revision surgery is usually more complex than primary hip surgery. It often takes longer, may involve greater bone and soft-tissue challenges, and requires more planning for recovery and support at home.[1][2] At the same time, a failed hip replacement should not be ignored, especially when it causes ongoing pain, limping, repeated dislocation, signs of infection, or progressive loss of function.
What revision hip surgery means
Revision hip surgery means a second operation is performed to repair, replace, or reconstruct part or all of a previous hip implant. AAOS notes that some patients need only selected components revised, while others need the entire prosthesis removed and replaced, sometimes with bone graft, augments, or specialized implants to manage bone loss.[1]
I usually tell patients that revision surgery is not just “doing the same operation again.” The surgeon may need to solve a more difficult problem than the first time. There may be implant loosening, hidden infection, loss of bone, soft-tissue weakness, recurrent instability, or damage around the hip that changes both the surgical plan and the recovery plan.[1][2]
What patients mean by “failed hip surgery”
Patients often use the phrase “failed hip surgery” to describe several different situations:
- pain that continues or returns after hip replacement
- difficulty walking or standing that is getting worse
- repeated hip dislocation
- loosening of the implant
- infection around the prosthesis
- implant wear or breakage
- fracture around the implant
- bone loss around the hip components[1][2]
Not every painful hip after surgery means the implant has failed. Some patients have muscle weakness, tendon irritation, back-related pain, or recovery delays that do not require revision. That is why careful reassessment is essential before deciding on another operation.
Common reasons revision hip surgery becomes necessary
Implant loosening
For a hip replacement to function well, the implant must remain firmly fixed to bone. AAOS explains that loosening can happen when bone does not grow securely onto the implant, when older cemented or press-fit components lose fixation over time, or when wear debris leads to bone loss around the implant.[1] If loosening becomes painful or causes instability, revision may be required.
Wear and osteolysis
Over time, the plastic liner and other implant surfaces can wear. Tiny wear particles can trigger the body’s immune response, which may damage nearby healthy bone. This process, called osteolysis, can make the implant loose or unstable.[1]
In practical terms, this means a patient may have had several good years after primary surgery and then slowly develop groin pain, thigh pain, limping, or loss of confidence while walking.
Infection
One of the most serious causes of failed hip surgery is infection. AAOS notes that a small percentage of hip and knee replacements become infected, and such infections may appear during the hospital period, soon after surgery, or even years later.[3] Because bacteria can stick to metal and plastic implants, antibiotics alone often do not fully solve the problem, and revision surgery is frequently necessary.[1][3]
Recurrent dislocation or instability
A hip replacement has a ball-and-socket design. If the ball repeatedly comes out of the socket, or if the joint remains unstable in everyday movement, revision may be needed to improve implant position, restore stability, or use a more specialized implant design.[1][2]
Implant failure or breakage
Although modern implants are durable, mechanical failure can still occur. MedlinePlus lists implant breakage and repetitive dislocation among recognized reasons for revision surgery.[2]
Fracture around the implant
A fracture around a hip implant, called a periprosthetic fracture, is another important reason for revision or more complex reconstructive surgery.[2] This can happen after a fall, trauma, or because the bone has become weak around the prosthesis.
Symptoms that should not be ignored
When I evaluate patients with a previous hip operation, I pay close attention to the pattern of symptoms. Warning features include:
- new or increasing groin pain
- thigh pain or buttock pain during walking
- limping that is getting worse
- repeated slipping or dislocation sensation
- difficulty bearing weight
- swelling, warmth, drainage, or a wound problem
- fever with hip pain
- shortening of the leg or a change in limb position
- sudden pain after a fall[1][2][3]
One important point I want Bangladeshi patients to understand is that persistent pain after hip surgery should not be normalized without assessment. Some problems are manageable if recognized early, but they become more difficult if patients wait until bone loss, instability, or infection is advanced.
How I assess a patient with suspected failed hip surgery
Revision planning starts with diagnosis. I do not recommend repeat surgery until I am confident I understand why the first operation is failing.
Clinical history and examination
I start with details of the first surgery, how long the patient did well afterward, when symptoms began, whether there was fever or drainage, whether there has been dislocation, and how walking ability changed over time.
Imaging
AAOS recommends imaging such as X-rays, and sometimes additional imaging like CT, MRI, or bone scan depending on the question being answered.[1] These tests help assess loosening, implant position, bone loss, fracture, and other structural problems.
