Hip treatment
Complex and revision hip reconstruction covers two situations that ordinary hip replacement does not: a replacement that has failed and needs redoing, and a first-time replacement in a hip that was never straightforward — a shallow socket, an old fracture healed out of shape, bone deformed by previous surgery. Both need the same thing before anything else: an unhurried search for why. Revision surgery succeeds when it corrects an identified problem, and disappoints when it is performed on pain nobody has explained yet.
A revision hip replacement removes some or all of a previous implant and rebuilds what is left. Occasionally that means exchanging a worn liner alone. More often the socket, the stem or both must come out, together with cement or ingrown bone, and the bone stock that has thinned around them has to be reconstructed — with graft, with metal augments, or with the impaction bone grafting technique that packs prepared graft into the defect to give a new implant something solid to hold. Complex primary reconstruction uses the same toolkit for hips that start out abnormal rather than fail later. It is longer, more demanding surgery than a first replacement, and the planning matters more than the day itself.
A revision is a bigger operation — time on the table
Every revision is shaped by what the previous surgery left behind — these figures describe the common range, not a promise for your hip.
Most people arrive with one question louder than the rest. Tap yours — the straight answer is one scroll away.
That depends almost entirely on whether we can name the reason it hurts. Where the cause is identified — a loose stem, a worn liner, an unstable hip that keeps dislocating, an infection, a fracture around the implant — correcting it usually brings substantial relief, and people often describe the result as recognisably the hip they had before things went wrong.
Where no cause is found, revision surgery is a poor gamble, and we would rather say so than operate hopefully. A painful replacement can also hurt for reasons outside the joint entirely: the spine, the tendons on the outer hip, a nerve, or occasionally the soft tissues reacting to debris. So the investigation is deliberately thorough — examination, X-rays over time rather than a single film, scans where needed, blood tests and fluid drawn from the joint. The diagnosis is the operation’s most important component, and it is decided before the theatre is booked.
Yes, and you should hear that plainly. Revision surgery takes longer, involves more blood loss, and disturbs tissue that has already been operated on once. Rates of infection, dislocation, fracture during surgery and nerve irritation are all higher than for a first replacement. Where bone has been lost, the reconstruction has to create stability that the bone alone can no longer provide, which is where graft, augments and longer implants come in.
That risk is managed rather than accepted — by identifying the cause precisely, planning implants and technique in advance with imaging, correcting anything about your health that raises risk, and treating infection as the first question rather than an afterthought. It is also the reason revision is recommended when there is a problem worth fixing, not merely because a hip is old. Many replacements soldier on happily for decades and are best left alone.
Longer and less predictable than a first replacement. Expect a longer hospital stay, and where bone has been grafted or a fracture fixed, a period of six to twelve weeks with limited weight through the leg. Most of the recovery in walking arrives over three to six months, and strength keeps improving for up to a year. Where are you in this?
Bring the paperwork. The operation note, the implant details and any earlier X-rays shorten the investigation considerably. New pain in a replacement that was previously comfortable always deserves assessment — infection and loosening are both far easier to manage early.
The questions worth asking: what exactly has failed, and how confident is the diagnosis? A second opinion is entirely normal at this point and nobody takes offence. Ask what the plan is if the findings inside differ from the scans — good revision planning always has a second route mapped.
Follow the weight-bearing instructions exactly — they exist to protect a reconstruction, not to slow you down. Progress is slower than you may remember from the first operation, and that is expected. Report fever, wound discharge, calf pain or a sudden change in leg length promptly rather than waiting for the next appointment.
Revision implants generally do not match first replacements for longevity, and it would be misleading to suggest otherwise. They are placed into bone that has already been through one operation, sometimes with defects rebuilt by graft, and the mechanics they inherit are less forgiving. Many revisions nonetheless serve well for a decade and beyond, particularly where the failure was mechanical and the reconstruction restored good bone contact.
What improves the odds is largely decided before and around surgery: getting the diagnosis right, eradicating infection properly rather than partially, rebuilding bone stock rather than working around it, and restoring stability so the hip is not fighting dislocation afterwards. Afterwards, the same things that protect any replacement apply — sensible weight, steady strength work, lower-impact activity, and reporting new pain early rather than living with it.
Not every ageing replacement does, and not every painful one either. These are the findings that usually mean a hip needs rebuilding rather than watching — check yours:
Those are the findings that need investigating properly rather than monitoring. The next step is diagnosis, not surgery: imaging compared over time, blood tests, and usually fluid drawn from the joint to settle the infection question. Only once the cause is named does an operation get planned around it.
Good — none of the usual warning signs. Replacements often serve for decades without trouble, and mild aches are not in themselves a reason to intervene. An assessment can confirm the implant is behaving and identify whether the discomfort is coming from somewhere else entirely.
And remember: a revision is recommended for a named problem — never for pain that has not been explained.
Tap each card to reveal the answer:
An operation to replace part or all of a hip replacement that has failed. Sometimes only the worn liner is exchanged; sometimes the socket, the stem or both must be removed and rebuilt, along with the bone that has been lost around them. Complex and revision hip reconstruction also covers first-time replacements in hips that are anything but standard — a shallow dysplastic socket, an old fracture that healed crooked, or bone deformed by previous surgery.
Loosening of the components from the bone is the commonest reason, often after many years of service. Others include wear of the bearing surfaces, infection, repeated dislocation, a fracture in the bone around the implant, and occasionally a reaction to debris released by certain older bearing combinations. The reason matters enormously, because each one leads to a different operation — which is why the investigation comes before any surgical plan.
It is assumed to be until proven otherwise, because infection changes everything about the plan. Blood tests give the first indication, and fluid drawn from the joint is examined for organisms and cell counts. Imaging supports the picture. Getting this right before surgery is essential: an infected hip revised as though it were simply loose will fail again, and usually quickly.
In a one-stage revision the old implant is removed and a new one inserted during the same operation. In a two-stage, the implant is removed, the infection is treated over a period of weeks with a temporary spacer in place, and the new hip is implanted at a second operation once the infection has cleared. Two-stage takes longer and asks more of you, and it remains the more dependable route for stubborn or resistant infections.
Longer and less predictable than a first replacement. The operation itself typically runs two to four hours, hospital stays are longer, and where bone has been grafted or a fracture repaired you may be limited in how much weight you can put through the leg for six to twelve weeks. Most of the recovery in walking happens over three to six months, with strength continuing to improve for up to a year.
Usually good, but not identical. Most people gain substantial pain relief and better function, particularly when the reason for failure was clear and correctable. On average, though, revisions do not match first replacements for pain scores or longevity, and complication rates are higher. That is the honest trade-off, and it is why revision is recommended for a specific identified problem rather than for pain no one has yet explained.
Related: total hip replacement · hip osteoarthritis · hip dysplasia · all hip surgery · physiotherapy
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