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Orthopedics

What to Ask Your Surgeon Before Hip Replacement: Approach, Implant Type and Rehab Plan

26 min read
What to Ask Your Surgeon Before Hip Replacement: Approach, Implant Type and Rehab Plan

Key Takeaways

  • The surgical approach (anterior, posterior or lateral) changes the first few weeks of recovery more than the long-term result, and a surgeon's experience with a given approach matters more than the approach itself.
  • Cemented fixation grips bone instantly and suits softer, older bone; uncemented fixation relies on bone growing into the implant over weeks and suits denser bone, and both achieve long service in registry data.
  • Most modern implants pair a metal or ceramic head with highly cross-linked polyethylene, and metal-on-metal bearings have largely been withdrawn because of metal ion reactions.
  • Spinal anesthesia is common for hip replacement and is associated with less nausea and early confusion, but the choice is made with the anesthesiologist based on your health.
  • The NHS puts return to light activity at around six weeks for many people, with hospital stays now often one to two days and continued strength gains for up to a year.
  • Sudden breathlessness or chest pain after surgery is an emergency, and calf pain, fever, wound discharge or a leg that suddenly looks shorter warrant a same-day call to the surgical team.
Quick Answer

Before hip replacement, ask your surgeon which surgical approach they use and why, what implant type and bearing surface they plan (cemented or uncemented, ceramic or polyethylene), what anesthesia is expected, how long you will stay in hospital, what the rehab plan looks like week by week, what the specific risks are for you, and which warning signs should prompt a call after you go home.

The clinic letter arrives with a date and a single line: “Consultation regarding total hip arthroplasty.” You read it twice, put the kettle on, and realize that you have exactly one appointment, perhaps twenty minutes long, to decide whether to let someone remove the top of your thigh bone.

Most people walk into that room with a vague sense that they should be asking something, and walk out having nodded a lot. The questions to ask before hip replacement are not complicated, but they are specific. Which way in? Which parts? Who gets me walking again, and when? A surgeon who has done this operation hundreds of times has answers; the job is to ask in the right order.

This guide is built around three headings that matter most on the day: the surgical approach, the implant type, and the rehab plan. It explains what each choice actually changes, where the evidence is firm, where it is thin, and what the decision means for the weeks after surgery.

What actually happens during a hip replacement?

A hip replacement, called total hip arthroplasty in medical language, removes the damaged ball-and-socket joint and fits an artificial one. “Arthroplasty” simply means surgical reshaping or rebuilding of a joint. The hip is a ball (the femoral head, the rounded top of the thigh bone) sitting in a cup (the acetabulum, a hollow in the pelvis). In a healthy hip both surfaces are covered by cartilage, a smooth tissue that lets bone glide on bone with less friction than ice on ice. When that cartilage wears away, usually from osteoarthritis, the bones grind and the joint stiffens and aches.

During the operation the surgeon makes an incision over the hip, moves muscle aside, and removes the worn femoral head. A metal stem is fitted into the hollow of the thigh bone and topped with a new ball made of metal or ceramic. The worn socket is cleaned out and lined with a metal shell that holds a smooth liner, typically a hard-wearing plastic called polyethylene or a ceramic. The new ball is then seated in the new cup, the surgeon checks that the leg lengths match and the joint moves without popping out, and the wound is closed in layers.

Mayo Clinic describes the procedure as taking a few hours from start to finish, though the cutting itself is shorter than the preparation and recovery time around it. Most people are on their feet, with help, the same day or the next morning, because early movement lowers the chance of blood clots and stiffness.

Two facts help frame every question that follows. The operation is one of the most studied procedures in surgery, so the broad outcomes are well described. And the choices inside it, how the surgeon enters, what parts are used, how recovery is organized, are where your individual circumstances shape the plan.

Who is usually offered hip replacement, and who is asked to wait?

The usual reason is osteoarthritis that has stopped responding to simpler measures. The NHS lists osteoarthritis as the most common indication, followed by rheumatoid arthritis, hip fracture, osteonecrosis (bone death from a lost blood supply), and problems from childhood hip disorders. What matters is not the X-ray alone but the combination of the X-ray with the life it is affecting: pain that disturbs sleep, difficulty walking to the shops, trouble with stairs or putting on socks.

Doctor consulting elderly patient about joint anatomy model: Who is usually offered hip replacement, and who is asked to wai

Guidelines generally expect that non-surgical treatment has been tried first. That means a period of exercise-based physiotherapy, weight management where relevant, walking aids, and pain relief directed by a clinician. A surgeon may reasonably ask what has already been tried and for how long.

Some people are asked to wait, not because surgery is ruled out but because a short delay lowers risk. Common reasons include:

  • Poorly controlled diabetes, since high blood glucose slows wound healing and raises infection risk
  • Active infection anywhere in the body, including dental abscesses and skin ulcers
  • Current smoking, which the surgical team may ask you to stop before the operation
  • Unstable heart or lung disease that needs assessment by a physician first
  • Very low bone density or very high body weight, where implant choice and anesthesia planning change

Age by itself is rarely the deciding factor. Mayo Clinic notes that the decision rests on pain, function and overall health rather than a birthday. Younger, very active adults are sometimes counseled about the possibility of a second operation later in life, because implants wear, but that is a conversation, not a refusal.

A good way to open the appointment is to ask directly: “Am I a straightforward candidate, or is there anything about my health you would want to improve first?” The answer tells you a great deal about how the team thinks.

Questions to ask before hip replacement about the surgical approach

The “approach” is the route the surgeon takes through skin and muscle to reach the joint. Three are common. The posterior approach enters from the back of the hip, through the buttock, and releases some of the small rotator muscles behind the joint. The lateral (or anterolateral) approach comes from the side and works partly through the hip abductor muscles that hold the pelvis level when you stand on one leg. The direct anterior approach enters from the front, between muscle groups, and is often described as muscle-sparing.

Each has trade-offs. Posterior gives excellent visibility and works for almost any anatomy, but historically carried a slightly higher chance of the ball slipping out of the cup backward, which is why older posterior-approach patients were given strict rules about not bending past ninety degrees. Anterior may allow quicker early walking and fewer movement restrictions, but the incision runs close to a skin nerve on the thigh, so numbness over the outer thigh is a recognized side effect, and access to the thigh bone is more awkward in people with a very muscular or deep hip. Lateral sits between the two, with a small risk of a lasting limp if the abductor repair does not heal well.

Questions worth writing down:

  • Which approach do you use, and how many of these do you do in a typical year?
  • Is there anything about my anatomy or weight that makes one approach better for me?
  • What movement restrictions will I have afterward, and for how long?
  • What is your own dislocation rate, and how does it compare with published figures?

Cleveland Clinic makes the point plainly: the approach a surgeon has trained in and performs regularly is usually the safest one for their patients. Asking a surgeon to switch approaches for you is rarely wise.

Anterior vs posterior hip replacement: what the evidence really shows

This is the comparison people search for most, and it is also the one most surrounded by marketing. The honest summary is that both approaches produce good outcomes in the hands of a surgeon experienced in that approach, and the differences that exist are largest in the first few weeks and shrink to little or nothing by a few months.

Doctor showing hip bone model to female patient: Anterior vs posterior hip replacement: what the evidence really shows

Reviews of comparative studies tend to show that anterior approach patients walk slightly earlier, use fewer walking aids in the first two to six weeks, and need fewer movement precautions. By three months, measures of pain and function usually converge. Posterior approach patients may have a marginally higher early dislocation rate in older series, but modern posterior repairs and larger ball sizes have narrowed that gap considerably. Anterior approach patients report more thigh numbness and, in some series, a slightly higher rate of fractures of the thigh bone during the operation, especially early in a surgeon’s experience.

What the evidence does not show is a lasting advantage for one route over another in how long the implant survives, how much pain you feel at one year, or how well you climb stairs at two years. Mayo Clinic’s patient information describes the approach as one of several decisions the surgeon makes based on training and the individual patient, rather than a choice with a proven winner.

There is a practical reason to care anyway. If early walking matters enormously to you, for example because you live alone or care for someone, that is worth saying aloud. If you have a hip shape or prior surgery that makes one route difficult, your surgeon will know. The question is not “which approach is best?” but “which approach is best for you, done by this surgeon, and what will the first month look like as a result?” Framed that way, most surgeons give a clear and useful answer.

Cemented vs uncemented hip: how implants are fixed to bone

The stem in the thigh bone and the shell in the pelvis have to stay put for decades. Two methods hold them there. A cemented implant is fixed with bone cement, a fast-setting acrylic that fills the gap between metal and bone and hardens within minutes, gripping the implant immediately. An uncemented (also called cementless or press-fit) implant is wedged tightly into prepared bone and has a rough or porous surface that living bone grows into over the following weeks, so fixation strengthens over time rather than being complete on the day.

A hybrid replacement uses one of each, most often an uncemented cup with a cemented stem.

Neither is universally better. Cement gives instant stability, which is valuable when bone is soft or thin, as in many people over about seventy-five and in hip fractures. Uncemented stems rely on strong bone to grip and grow into, so they are common in younger, denser-boned adults; a stem that is not tight enough on the day may sink or loosen. Cement adds a small risk during the operation itself, because pressurizing cement into the thigh bone can send fat and marrow into the bloodstream, which in a frail heart occasionally causes a sudden drop in blood pressure. Uncemented fixation avoids that but is associated with slightly more thigh pain in the first months as bone remodels.

National joint registries, which track implants across whole countries, show that both methods can achieve survival of fifteen years or more in the majority of patients, with the NHS quoting that most modern hip replacements last at least fifteen years and many considerably longer. The choice often follows bone quality on the pre-operative X-ray more than patient preference.

Ask: “Will my implant be cemented, uncemented or hybrid, and what about my bone made you choose that?” A surgeon who has looked at your X-ray can answer in one sentence.

Which bearing surface is right for me? Ceramic, metal and polyethylene compared

The bearing is the pair of surfaces that rub together every step: the ball and the liner inside the cup. Wear from that rubbing produces microscopic debris, and it is debris, over years, that can inflame the surrounding bone and loosen an implant. Bearing choice is therefore about long-term wear, not how the hip feels next month.

Bearing combination Ball Liner Main advantage Main drawback
Metal on polyethylene Cobalt-chrome Cross-linked plastic Longest track record, forgiving, widely used Plastic wear over decades
Ceramic on polyethylene Ceramic Cross-linked plastic Lower wear than metal head, no metal ion release Higher material cost to the health system; rare ceramic fracture
Ceramic on ceramic Ceramic Ceramic Very low wear Rare squeaking, rare fracture, less forgiving of malposition
Metal on metal Cobalt-chrome Cobalt-chrome Large heads once favored for stability Metal ion release and tissue reactions; largely withdrawn

Two developments changed this field. First, “highly cross-linked” polyethylene, introduced around the turn of the century, is treated with radiation so its molecular chains bond together, cutting wear dramatically compared with older plastic. Second, metal-on-metal bearings, once promoted for active patients, were found to release cobalt and chromium ions that damaged surrounding soft tissue in a proportion of people, and regulators in several countries issued safety alerts; people who already have one are monitored rather than routinely re-operated.

Today most surgeons use a metal or ceramic head on a cross-linked polyethylene liner, and long-term registry data support that choice across ages. Ceramic on ceramic remains an option for some younger patients. The right question is not “what is the best bearing?” but “what bearing are you planning for me, and what is the longest published follow-up for that combination?”

Hip replacement surgery options: total, partial and resurfacing

Not every hip operation replaces both halves of the joint. Knowing the vocabulary helps you understand what is being offered.

A total hip replacement replaces both the ball and the socket. It is the standard operation for arthritis, where both surfaces are worn.

A partial hip replacement, or hemiarthroplasty, replaces only the ball and leaves the natural socket in place. It is used mainly after a hip fracture in older adults whose socket cartilage is still healthy, because it is quicker, involves less blood loss and carries a lower dislocation risk in frail patients. Its drawback is that a metal ball rubbing on natural cartilage eventually wears the socket, so it is not offered for arthritis.

Hip resurfacing caps the femoral head with a metal shell rather than removing it, and lines the socket with a matching metal cup. It preserves more bone, which appealed to younger patients who might need a second operation decades later. Because it relies on a metal-on-metal bearing, the concerns described in the previous section apply, and its use has fallen sharply; where still offered, it tends to be restricted to larger-framed men with strong bone, in whom the reactions were least common.

Revision hip replacement is the operation to replace or repair a previous implant that has loosened, worn, become infected or dislocated repeatedly. It is more complex than a first replacement and is usually done by surgeons who specialize in it.

Ask which of these you are being offered, and if the answer is anything other than a standard total hip replacement, ask why. A clear reason, such as a fracture with healthy cartilage, or a specific bone problem, should be easy to give. If you have been offered resurfacing, it is reasonable to ask how the team monitors metal ion levels and what the plan would be if a reaction developed.

What kind of anesthesia is used, and does it change recovery?

Two broad options exist, and many people are surprised that they have a say. General anesthesia puts you fully to sleep with a breathing tube or airway device in place. Regional anesthesia, usually a spinal, involves an injection into the fluid around the lower spinal cord that numbs everything from the waist down for a few hours; you can be awake, lightly sedated so you doze, or more deeply sedated so you remember little.

Spinal anesthesia has become the more common choice for hip replacement in many centers. Large observational studies and guideline bodies note lower rates of post-operative nausea, less confusion in older patients in the first day or two, less blood loss during the operation, and a modest reduction in blood clot risk, though the evidence on clots is mixed once modern clot-prevention medicines are accounted for. General anesthesia remains entirely appropriate and is preferred when a spinal is technically difficult, when someone is on certain blood-thinning medicines, or when a person simply cannot tolerate the idea of being awake.

Nerve blocks, where a local anesthetic is injected around a specific nerve in the thigh or groin, are often added to either method to reduce pain in the first day. The choice of which block, and whether to use one, is made by the anesthesiologist, who will usually meet you before surgery.

Worthwhile questions include:

  • Will I meet the anesthesiologist before the day of surgery?
  • Is spinal or general anesthesia planned, and why?
  • If I have a spinal, how sedated will I be?
  • What is the plan for pain relief in the first forty-eight hours, and who adjusts it?

Mayo Clinic notes that the anesthesia decision is made jointly with the anesthesiologist based on your health history, so it is fine to arrive with a preference and ask whether it is reasonable for you. Any changes to medicines you already take before surgery must come from the prescribing clinician, not from the internet.

Questions to ask before hip replacement about the rehab plan

Surgeons fit the joint; recovery is largely done by you and a physiotherapist. The rehab plan deserves as much scrutiny as the implant, because it is the part you will live inside for weeks.

Start with the day of surgery. Most modern pathways, sometimes called enhanced recovery, aim to have you standing and taking steps within hours of leaving the operating room. Ask whether that is the plan for you, and who will supervise it.

Then ask about the shape of the first six weeks. A good plan specifies: how often you will see a physiotherapist and whether that is in person, in a group, or by video; what exercises you will do at home and how many times a day; when you can expect to move from a walker or two crutches to one stick, and from one stick to nothing; and what milestones the team uses to say you are on track. The NHS notes that most people can return to light activities around six weeks after a hip replacement, but that timeline assumes the exercises are being done.

Ask about the practical setup at home. Will you need a raised toilet seat, a chair of a certain height, a grab rail in the shower? Will someone visit your home beforehand, or will you be given a checklist? If you live alone, or up several flights of stairs, say so early; discharge planning changes with those facts.

Ask about driving, work and sex, because people feel awkward raising them later and end up guessing. Mayo Clinic advises against driving until you can bend enough to sit comfortably and have stopped taking medicines that impair reactions, and notes that the timeline varies with the side operated on and the type of car.

Finally, ask who to contact if the exercises hurt more than expected, if the swelling seems out of proportion, or if you feel you are falling behind. A named person, a phone number and an expected response time are the marks of a rehab plan that has been thought through rather than photocopied.

Hip replacement recovery time: what the first days and weeks usually look like

Recovery has a rhythm, and knowing it makes the difficult days less alarming.

The first twenty-four hours are about waking up, controlling pain and getting vertical. Expect a wound dressing, sometimes a drain, compression stockings or a pump on your calves to reduce clot risk, and a physiotherapist arriving surprisingly early. The first steps feel strange, partly because the leg has not been used properly for months.

The hospital stay is now short for most people. Mayo Clinic describes many patients going home within one to two days, and some centers discharge selected patients the same day. MedlinePlus notes that people who need more support may go to a rehabilitation facility first. Discharge depends on being able to get in and out of bed, walk a set distance safely, manage stairs if you have them at home, and control pain with tablets rather than intravenous medicine.

Weeks one to two are the hardest. Swelling and bruising travel down the thigh and sometimes to the ankle; the wound feels tight; sleep is broken. Walking short distances several times a day matters more than long sessions. Wound checks and clip or stitch removal usually happen around ten to fourteen days.

Weeks two to six bring the visible turn. Most people move from two aids to one, then to none indoors. Stiffness eases, and everyday tasks return one by one. The NHS puts the return to light activity at around six weeks for many patients.

Weeks six to twelve are about strength and stamina. The muscles around the hip have often been weak for years, and rebuilding them is what turns a good operation into a good result. Low-impact exercise such as walking, cycling on a static bike and swimming is usually encouraged once the wound is fully healed.

Full recovery is often quoted as three to six months, with continued improvement for up to a year. Every one of these figures is a typical range, not a target you are failing to hit. The team reviewing you will tell you where you sit within it.

What are the risks of hip replacement, and how should I ask about them?

Risk conversations often go badly because they happen in percentages that mean little without context. A better approach is to ask about each recognized complication in turn: how common is it here, what would it feel like, and what would be done about it.

The complications listed by the NHS and Mayo Clinic include:

  • Infection. Superficial wound infections are treated with antibiotics; deep infection around the implant is uncommon but serious and may need further surgery. Diabetes, smoking and obesity raise the risk, which is why pre-operative optimization matters.
  • Blood clots. Deep vein thrombosis, a clot in the leg vein, can travel to the lung as a pulmonary embolism. Early walking, compression devices and a course of clot-preventing medicine, chosen and timed by the surgical team, reduce the risk substantially.
  • Dislocation. The new ball slips out of the cup, most often in the first three months before the soft tissues have healed. Risk depends on approach, implant size and how carefully movement precautions are followed.
  • Leg length difference. A small difference is common and often settles as muscles rebalance; a persistent difference may need a shoe insert.
  • Nerve or blood vessel injury. Rare, but can cause numbness, weakness or foot drop.
  • Fracture of the thigh bone during or after surgery, more likely in weak bone.
  • Loosening and wear over many years, which is why implants are followed with X-rays.

Anesthetic risks, heart and lung complications, and confusion in older adults belong in the same conversation and are usually covered by the anesthesiologist.

Two questions cut through the fog. “What is the complication you worry about most for someone with my health?” invites a personal rather than generic answer. “If something goes wrong at three in the morning after I am home, who do I call?” tells you whether the safety net is real.

What can I do before surgery to improve my odds? Prehabilitation explained

Prehabilitation, or prehab, is the idea that the weeks before an operation are training time. The evidence for large gains is modest, but the logic is sound: a person who arrives stronger, better nourished and off cigarettes tends to leave hospital sooner and has fewer wound problems.

Strength around the hip is the first target. A physiotherapist can prescribe exercises for the gluteal and thigh muscles that you can do sitting or lying, even with a painful joint. Swimming, aqua-aerobics and static cycling build stamina without pounding the hip. Even a few weeks of this makes the first post-operative exercises feel familiar rather than foreign.

Stopping smoking is the single change with the clearest evidence. Nicotine narrows small blood vessels and slows healing, and the NHS and Mayo Clinic both note that smokers have higher rates of wound and lung complications after surgery. Stopping even a few weeks before helps; your family doctor or a stop-smoking service can support this.

Blood sugar control matters for people with diabetes, because high glucose impairs the white cells that fight infection. Surgical teams often ask for a recent HbA1c, a blood test reflecting average glucose over about three months, before scheduling.

Dental health is easily forgotten. An untreated dental infection can seed bacteria into the bloodstream and onto a new implant, so many teams suggest a dental check before surgery.

At home, practical preparation prevents falls and frustration: remove loose rugs, arrange a firm chair with arms, move essentials to waist height, stock the freezer, and arrange for someone to be around for the first days. Borrow or arrange a walker and any bathroom equipment before you go in, not after.

Ask the team whether they run a formal prehab or pre-assessment class. Many do, and they are the best place to ask the small questions that seem too trivial for the surgeon.

What people often get wrong about hip replacement

Some ideas about hip replacement are decades out of date, and a few are simply marketing that hardened into folklore.

“You should wait as long as possible.” Delay makes sense when there are health problems to fix first. Waiting for its own sake does not; muscles waste, the other hip and the spine compensate and start to hurt, and people arrive weaker. Guidelines base timing on pain and function, not on reaching a certain age.

“An implant only lasts ten years.” That figure comes from older designs and older plastics. Registry data cited by the NHS indicate that most modern implants last fifteen years or more, and many continue beyond twenty. Young patients may still need a revision in their lifetime, but the horizon has moved.

“The anterior approach is always better.” As discussed above, it offers earlier mobility for some people, with its own trade-offs, and the differences fade within months. Surgeon experience with a given approach matters more than the approach itself.

“Ceramic is the premium option, so it must be best.” Ceramic wears less, but cross-linked polyethylene has closed much of the gap, and ceramic carries small unique risks. Best is what suits your age, activity and anatomy.

“You cannot bend past ninety degrees ever again.” Strict lifelong precautions were standard for older posterior approaches. Many teams now relax restrictions after the early healing period, and some anterior approach patients have almost none. Follow your own team’s advice rather than a relative’s memory of theirs.

“Rehab means the hospital physio does the work.” The daily home exercises, done several times a day for weeks, are the treatment. Supervised sessions check technique and progress; they do not replace the repetition.

“Once the pain is gone, I am recovered.” Pain often eases well before strength and balance return. Stopping exercises at that point is the commonest reason a good operation produces a limp.

Questions to ask your care team: a printable list

Bring this list, cross off what has been answered, and do not be embarrassed to read from it. Surgeons and specialist nurses generally welcome a patient who has prepared.

About you and the decision

  • Is my hip the main cause of my pain, or could my back or knee be contributing?
  • Have I exhausted the non-surgical options that would realistically help?
  • Is there anything about my health you would want improved before surgery?
  • What happens if I choose not to have the operation now?

About the operation

  • Which approach will you use, and why for me?
  • Will the implant be cemented, uncemented or hybrid?
  • What bearing surfaces are planned, and what long-term data exist for them?
  • Is this a total replacement, and if not, why?
  • Who will actually perform the operation, and will trainees be involved under supervision?

About anesthesia and hospital

  • Spinal or general, and will I meet the anesthesiologist first?
  • How long is the expected stay, and what must I be able to do before going home?
  • What is the plan for clot prevention and pain control after discharge, and who prescribes it?

About rehab

  • When will I first stand and walk?
  • How is physiotherapy delivered after discharge, and how often?
  • Which movement precautions apply to me, and for how long?
  • What equipment do I need at home before I come in?
  • When can I expect to drive, return to work, and resume exercise or sex?

About safety

  • Which complication concerns you most for someone like me?
  • What warning signs should make me call, and whom do I call, day or night?
  • When are my follow-up appointments and X-rays?

If an answer is vague, ask once more. A second, clearer answer is common; an irritated one tells you something too.

When to call your doctor after hip replacement

Most recoveries are uneventful, but a small number of problems need attention within hours, not at the next scheduled visit. Your team will give you their own list; the signs below are drawn from NHS and Mayo Clinic guidance and are the ones to keep by the phone.

Call the surgical team or the number you were given the same day if you notice:

  • Increasing redness, warmth or swelling around the wound, or fluid or pus leaking from it after the first few days
  • A temperature above 38°C (100.4°F), shaking chills, or feeling generally unwell in a way you cannot explain
  • New or worsening pain in the calf or thigh, especially on one side, with swelling, warmth or tenderness, which can indicate a deep vein thrombosis
  • A sudden feeling that the hip has “come out,” with severe pain, inability to bear weight, or a leg that looks shorter or turned in an odd direction, which may be a dislocation
  • Numbness or weakness in the foot that is new or getting worse
  • Pain that is escalating despite your prescribed pain relief rather than slowly easing

Call emergency services immediately if you develop sudden breathlessness, sharp chest pain, coughing up blood, or collapse. These can signal a pulmonary embolism, a clot that has traveled to the lungs, and it is treated as an emergency.

Seek urgent care also for a fall onto the operated hip, even if you feel able to walk afterward, because fractures around an implant are not always obvious.

None of these signs means something has definitely gone wrong; swelling and warmth are part of normal healing, and calf aches are common. The point is that the people who can tell the difference are your surgical team, and they would far rather hear from you early. Keep the contact numbers you were given somewhere visible, and note the time symptoms began before you call.

Frequently asked questions

What does "replacement" actually mean in hip replacement?

It means the worn surfaces of the ball-and-socket joint are removed and swapped for artificial parts, not that the whole hip or leg is replaced. The medical term is arthroplasty, from Greek roots meaning joint reshaping. In a total replacement both the ball at the top of the thigh bone and the socket in the pelvis are replaced; in a partial replacement only the ball is. The surrounding muscles, tendons and bone remain your own.

What are the most important questions to ask before hip replacement?

Ask which surgical approach the surgeon uses and why for you, whether the implant will be cemented or uncemented, what bearing surfaces are planned, what anesthesia is expected, how long you will be in hospital, how physiotherapy will be delivered afterward, which movement precautions apply, and whom to call if a problem develops at home. Also ask what the surgeon would want improved about your health before operating.

Is anterior vs posterior hip replacement really a big decision?

Less than online debate suggests. Comparative studies show anterior approach patients often walk slightly sooner and have fewer movement restrictions in the first weeks, while posterior approach gives excellent access and suits almost any anatomy. By three months, pain and function are usually similar, and implant survival does not differ meaningfully. The surgeon’s familiarity with their chosen approach is the more important factor.

What is the difference between a cemented vs uncemented hip?

A cemented hip uses acrylic bone cement to fix the implant to bone, giving immediate stability and suiting softer or thinner bone. An uncemented hip is pressed tightly into shaped bone and has a porous surface that bone grows into over weeks, so fixation strengthens over time; it is often chosen for stronger bone. A hybrid combines one of each. The choice usually follows bone quality seen on X-ray.

How long is hip replacement recovery time?

The NHS describes most people returning to light activities around six weeks after surgery, with hospital stays now commonly one to two days according to Mayo Clinic. Walking aids are usually dropped between two and six weeks, and strength and stamina keep improving for three to twelve months. These are typical ranges, not promises; your own timeline depends on health, the approach used, and how consistently you do the prescribed exercises.

What hip replacement surgery options exist besides a total replacement?

A partial replacement, or hemiarthroplasty, replaces only the ball and is mainly used after hip fractures in older adults with healthy socket cartilage. Hip resurfacing caps the femoral head rather than removing it but relies on a metal-on-metal bearing and is now rarely offered. Revision surgery replaces a failed earlier implant. For arthritis, a total hip replacement remains the standard operation.

Will I be awake during the operation?

Possibly, if you and the anesthesiologist choose spinal anesthesia, which numbs you from the waist down. Most people having a spinal are also given sedation so they doze and remember little, and you can ask to be more deeply sedated. General anesthesia, where you are fully asleep, is also appropriate and is chosen for medical or personal reasons. You should have the chance to discuss this before the day of surgery.

How long does a hip replacement last?

The NHS states that most modern hip replacements last at least fifteen years, and national joint registries show many continuing well beyond twenty. Wear of the bearing surfaces and gradual loosening are the main long-term reasons for a second operation, which is why implants are checked with X-rays over the years. Younger, very active patients are counseled that a revision within their lifetime is possible.

Do I have to follow hip precautions for life?

Usually not. Strict rules such as never bending past ninety degrees or crossing the legs were standard for older posterior approaches during the healing period. Many teams now relax restrictions after the early weeks once soft tissues have healed, and some anterior approach patients have few precautions at all. Follow the specific advice given by your own surgical team, since it depends on the approach and implant used.

How do you spell replacement, and is arthroplasty the same thing?

Replacement is spelled r-e-p-l-a-c-e-m-e-n-t. Arthroplasty is the medical term you will see on clinic letters and consent forms; “arthro” refers to a joint and “plasty” to surgical reshaping, so “total hip arthroplasty” and “total hip replacement” describe the same operation. Knowing both terms helps when reading your notes or searching reliable health information.

References

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.

Dr. Şule Eren
Dr. Şule Eren, MD
Author
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Published October 13, 2026 Last updated September 30, 2026
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