A replacement is not a last resort. It is a very good operation with a clock on it.

ORTHOBIOLOGICS OR THE OPERATION

PRP or surgery depends on what failed. A tendon that has stopped healing is a biological failure and a job for PRP. A retracted tear, or bone-on-bone arthritis with deformity, is a structural failure and a job for surgery. PRP burns no bridge. If it does not work, surgery is still there. A replaced joint stays replaced.

This comparison is often framed as a choice. For most of the conditions on this site, it is not one. They sit at different points on a path. The useful question is which point you are at.

The rule that governs most of it

Biological treatments address biological failure. Surgery addresses structural failure. A tendon that has stopped healing is a biological problem. A tendon that has torn through and pulled back is a structural one. No shot reattaches a torn-off tendon. No operation makes a degenerate tendon metabolically healthy.

Most letdowns in this field come from using one for the other.

When should you try PRP before surgery?

• Chronic tendinopathy (elbow, patellar, gluteal, plantar fascia), where surgery has modest results and long recoveries
• Knee osteoarthritis at any grade, as long as the goal is stated honestly. Structural benefit is a fair hope in earlier disease. In advanced disease, what is bought is time and a lower medication burden.
• Partial-thickness rotator cuff tears, which are about twice as common as full-thickness ones and where conservative care matches surgery
• Anyone who wants to put off an operation for a clear reason
• Anyone for whom anesthesia carries real risk

The rotator cuff is the clearest case. Ricker and colleagues pooled 33 studies and 1,818 patients with partial tears in 2026. Where surgery came out ahead, the gains “remained below the minimal clinically important differences (MCID), indicating limited clinical relevance.” That is why a partial cuff tear is treated here with guided injection, PRP into the tendon and a loading program, alongside the metabolic work, and why we work to avoid surgery on it.

When is surgery the better choice than PRP?

• End-stage arthritis with bone-on-bone change and deformity. Hip and knee arthroplasty (joint replacement) relieve pain for most people who have them, and that belongs on the scale. So does the other half of the ledger, set out below. Patients hear about it far less often.
• Large or retracted full-thickness tendon tears
• Mechanical locking, a bucket-handle meniscal tear, or true instability
• Progressive neurological deficit: weakness or numbness that keeps getting worse
• Fracture, and any suspicion of one

The operations that turned out to do less than assumed

Worth knowing, because they are still often offered, and because they change how you should weigh a surgical recommendation.

Arthroscopic partial meniscectomy for degenerative tears has been compared against sham surgery in randomized trials. The results were equivalent. That is a striking finding. The operation did no better than a cut in the skin and an anesthetic. Degenerative meniscus tears are mostly a sign of arthritis. They are not a separate problem you can fix.

Subacromial decompression for shoulder impingement has likewise failed to beat sham in well-controlled trials.

Vertebroplasty for osteoporotic fractures produced the same pattern in several studies.

The common thread: all three were widely done for years based on how they were supposed to work. That was before anyone tested them against a credible control. That history is a reason for humility on all sides, including ours. It is the same argument we make about an over-marketed injection.

How does recovery from PRP compare with surgery?

PRP: a few days of flare and normal activity within a week. Then a loading program over three months, and an answer at three to six.

Surgery: anesthesia and a wound. Then a period of protected weight-bearing or immobilization, depending on the procedure. Then formal rehab over months. For arthroplasty, it takes six to twelve months before you feel fully settled.

The imbalance matters in one specific way: PRP does not burn a bridge. If it does not work, surgery stays available on the same terms. The reverse is not true. A replaced joint is replaced.

Using PRP alongside surgery

The use with more consistent support is not as a replacement for surgery. It is as an adjunct (add-on) at the time of repair, especially for rotator cuff healing rates in larger tears. That is a different question from whether it fixes your shoulder without an operation. Marketing mixes the two up.

What should you ask before agreeing to surgery?

• What exactly is the operation fixing, and how do you know that is what hurts?
• Has this procedure been compared against a sham or a non-surgical control in my condition?
• What is the realistic recovery, not the best case?
• What happens if I wait six months — does anything get harder to fix?
• What would you do if it were your knee?

That fourth question separates a decision that can wait from an urgent one. It is the question this practice most often helps people answer.

What the operation actually costs

Joint replacement is presented to most patients as a solved problem. The implant survival figures support that view. Those figures are real. Ten-year implant survival runs at roughly 96% for the knee and 94% for the hip. But implant survival answers a question about the hardware. If you are deciding when to have the operation, different numbers matter.

Four of them carry most of the weight, and they point the same way. Pain does not reliably end: 25% of replaced knees still hurt at a year and 28% at roughly five. Medicine does not reliably stop: 21% are still taking opioids twelve months after a knee replacement, 16% after a hip. Recovery is measured in seasons, not weeks: 18.7% had returned to sport at three months. And the implant is most limited in exactly the people told to wait. A joint replaced between the ages of 46 and 50 carries a lifetime revision risk of 22.4% for the knee and 27.6% for the hip. That is about one in four, and a revision is a larger and worse operation than the first.

The itemized figures, with their caveats and sources, sit on the page for each joint: what a knee replacement actually costs and what a hip replacement actually costs. They sit there because that is where they are useful. What belongs here is what they add up to.

Whose timeline is this?

Put those numbers together and look at the standard advice: have it when the surgeon says you are ready. It starts to look like a scheduling decision being made by the wrong person.

The case for treating a joint biologically in advanced disease is not that it beats an operation. It does not, and this page has already said so. The case is that it holds a position while the patient decides. It buys time and it lowers the medication burden. That time lets someone have the operation on their own schedule. When work allows it. When there is someone at home to cover a recovery measured in months. When they have finished trying what they wanted to try first. Or not at all.

Putting off surgery is not automatically a mistake. Having it is not automatically a failure. Both are decisions, and both belong to the patient. Both are made better with the figures above in hand, not after the fact.

What we will tell you

Say your hip is bone-on-bone and your life has shrunk to the distance between chairs. We will tell you that a replacement is the operation that changes that. We will say so even though it means you do not become our patient. If you are not having one, by choice or because you were told to wait, then treatment is aimed at the years in between. We will be honest that time and medication burden are what it buys. Say your tendon has been failing for eight months and the proposed operation has no controlled evidence behind it. We will say that too.

A practice that only ever recommends what it sells is not giving you an opinion.

Why “too young for a replacement” is a real problem

Joint replacements have a limited lifespan. A prosthesis put in at fifty may need revision, which is a bigger operation with worse outcomes than the first. That is the reasoning behind telling a younger patient to wait, and it is sound reasoning.

What it often leaves out is the cost of the waiting. A decade spent avoiding stairs is a decade of shrinking quadriceps (thigh muscle). Insulin sensitivity worsens. Sleep breaks up. Your social life shrinks. Those are not side effects of the advice. They are its results. They are rarely weighed on the same scale as the revision risk.

The honest framing is that both options carry a cost, and neither is free. In that window, a regenerative approach can fairly offer a way to make the waiting less destructive, not a cure. Enough function to keep loading the leg. Enough sleep to keep inflammatory tone down. Enough movement to keep the metabolic picture from sliding. That is a modest claim, and it is one we can stand behind.

Two things worth knowing before either decision

Prehabilitation changes surgical outcomes. Strength and metabolic health going into an operation predict how it goes coming out. If surgery is on your horizon in the next year, the work described on this site is not an alternative to it. It makes it better.

Glycemic control affects both paths. A high A1C is associated with more surgical infections and poorer prosthetic outcomes. It is also associated with poorer tendon healing after any biological treatment. It is one of the few inputs that improves the odds of every option at once. That is why we ask about it here, whichever way you are heading.

What people ask when surgery is on the table

Can PRP help me avoid a knee replacement?

In earlier disease it may put one off. In end-stage disease it does not replace the operation, though it does buy time and cut what it takes to get through a day. PRP for knee osteoarthritis.

My scan shows a meniscal tear. Do I need surgery?

Degenerative tears performed no better than sham surgery in randomized trials. What we treat.

Can I have PRP after surgery?

Often yes, and it is sometimes used at the time of repair. What to expect.

Does trying PRP first make surgery harder later?

No. It does not burn a bridge. Candidacy.

What are the disadvantages of PRP compared with surgery?

PRP cannot fix a structural failure. No injection reattaches a detached tendon. In end-stage arthritis with bone-on-bone change and deformity, it does not replace a joint replacement. There it buys time and a lower medication burden. It also takes patience: a loading program over three months and an answer at three to six. What it does not do is burn a bridge.

Can PRP fix a torn tendon?

It depends on the tear, and most tears are the kind it suits. In the rotator cuff, partial tears outnumber full-thickness ones. As Eubank and colleagues put it in 2024, “Studies have shown partial-thickness rotator cuff tear (PTRCT) prevalence to be twice that of full-thickness tears.” Conservative care matches surgery for those tears, so PRP into the tendon with a loading program is where we start, and we work to avoid an operation. Large or retracted full-thickness tears are the exception. They are structural failures that no injection reattaches, and there PRP has its most consistent support as an add-on at the time of surgical repair, especially for rotator cuff healing in larger tears.

Does a knee replacement always get rid of the pain?

Not reliably. Knee and hip replacements relieve pain for most people, and ten-year implant survival runs at roughly 96% for the knee. But 25% of replaced knees still hurt at a year. 21% of patients are still taking opioids twelve months after a knee replacement. A knee replaced between the ages of 46 and 50 carries a lifetime revision risk of 22.4%. Those figures belong on the scale too.

How can I improve my results if I do need surgery?

Prepare for it. Strength and metabolic health going into an operation predict how it goes coming out. So prehabilitation changes surgical outcomes. Blood sugar control matters too. A high A1C is associated with more surgical infections and poorer prosthetic outcomes. It is also associated with poorer tendon healing after biological treatment. Improving it raises the odds of every option on the table at once.

Is a PRP injection considered surgery?

PRP is an injection, not surgery: no incision, no stitches and no general anesthetic, only local anesthetic at the skin, with the needle placed under ultrasound or live X-ray. You stay awake, the whole visit runs about an hour including the blood draw and the spin, and because no sedation is used, most people drive themselves home. What it does share with an operation is a recovery that has to be respected, which means a loading program you actually follow. The visit, step by step. Which injection sites hurt most, and how the days afterward run.

Related reading

• Still in pain after back surgery
• PRP for knee osteoarthritis
• PRP for hip osteoarthritis
• PRP for rotator cuff tendinopathy
• Am I a candidate?