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Patient Education Center · Joint Replacement

Joint Replacement Frequently Asked Questions

Every patient has questions before surgery.

Some questions are about the operation. Others are about recovery, travel, medications, or simply what life will look like afterward. Below are the answers to the questions I hear most often in clinic.

Table of Contents
How Long Does Joint Replacement Last?
Short AnswerMost modern hip and knee replacements last twenty years or longer, and many last the rest of a patient's lifetime.

Modern implants are remarkably durable.

Several factors influence longevity:

  • Surgical technique
  • Implant positioning
  • Activity level
  • Body weight
  • Overall health
  • Normal wear over time

The goal is one successful operation that provides decades of pain relief and improved function.

Bone Doc Tip

Take care of your joint replacement, and it will usually take care of you.

Will I Set Off Metal Detectors?
Short AnswerSometimes. Most modern airport scanners recognize joint replacements without difficulty, but additional screening occasionally occurs.

Hip and knee replacements contain metal.

If additional screening is needed, simply tell airport security that you have a joint replacement.

You do not usually need a special implant card.

Bone Doc Tip

Most travelers move through airport security without difficulty.

Can I Have an MRI?
Short AnswerYes. Modern joint replacements are MRI compatible.

Joint replacement implants do not prevent MRI studies.

The metal may create some image distortion immediately around the implant itself.

MRIs of other parts of the body remain routine.

Always let the imaging center know you have a joint replacement before your study.

Bone Doc Tip

Joint replacement should not limit future medical care.

Do I Need Antibiotics Before Dental Work?
Short AnswerFor most patients, no. Current evidence does not recommend routine antibiotics before dental procedures solely because you have a joint replacement.

This recommendation has changed over time.

Current research shows routine dental procedures are very unlikely to cause an infection in a hip or knee replacement.

Most patients therefore do not require preventive antibiotics.

Certain high-risk patients — including those with previous joint infections or significant immune compromise — may still benefit.

If you are unsure, call our office.

We'll review your medical history and prescribe antibiotics if appropriate.

Bone Doc Tip

If you have questions, ask. We're always happy to help.

What Type of Anesthesia Is Used?
Short AnswerMost joint replacements are performed using either spinal anesthesia or general anesthesia, depending on your medical history and the surgical plan.

Many patients are surprised to learn they do not always need general anesthesia.

For many hip and knee replacements, spinal anesthesia offers several advantages, including excellent pain control and a smoother early recovery.

Your anesthesia team will review your health history and recommend the safest option for you.

Bone Doc Tip

The safest anesthesia is the one tailored to you.

Will I Need a Blood Transfusion?
Short AnswerMost patients do not.

Advances in surgical technique, blood conservation strategies, and medications have dramatically reduced the need for transfusions.

Although transfusions are still occasionally necessary, they are far less common than they were years ago.

Your blood count will be monitored throughout your recovery.

Bone Doc Tip

Modern joint replacement is associated with much less blood loss than many patients expect.

How Big Will My Scar Be?
Short AnswerThe incision is only as large as necessary to safely perform the operation.

Patients often focus on incision length.

While smaller incisions sound appealing, the priority is performing a safe, accurate operation.

The size of the incision depends on:

  • Your anatomy
  • Your body habitus
  • The implants being used
  • Surgical exposure

A well-healed scar is much less important than a well-functioning joint replacement.

Bone Doc Tip

A good operation is remembered long after the scar fades.

How Can I Lower My Risk of Infection?
Short AnswerPreparing your body before surgery is one of the best ways to reduce infection risk.

We work with every patient to optimize health before surgery.

Important steps include:

  • Controlling diabetes
  • Stopping smoking
  • Treating active infections
  • Maintaining good nutrition
  • Following wound care instructions
  • Taking antibiotics as directed around the time of surgery

Fortunately, infection after modern joint replacement is uncommon.

Bone Doc Tip

Preparation starts before surgery.

What Are the Warning Signs After Surgery?
Short AnswerMost recoveries are routine, but certain symptoms should prompt immediate medical attention.

Contact your surgeon immediately if you develop:

  • Fever
  • Increasing redness around the incision
  • Drainage from the wound
  • Severe calf pain or swelling
  • Chest pain
  • Shortness of breath
  • Sudden inability to bear weight
  • New severe pain after a fall

Most patients never experience these problems, but recognizing them early is important.

Bone Doc Tip

When in doubt, call us. We would rather answer a simple question than have you worry at home.

What Makes a Successful Joint Replacement?
Short AnswerSuccessful joint replacement is a partnership between the surgeon and the patient.

The operation is only one part of the process.

Excellent results also depend on:

  • Appropriate patient selection
  • Careful surgical technique
  • Modern pain management
  • Physical therapy
  • Staying active
  • Following postoperative instructions
  • Patience during recovery

Most patients continue improving for many months after surgery.

The goal is not simply replacing a joint.

The goal is helping you return to the life you enjoy.

Bone Doc Tip

Great outcomes happen when preparation, surgery, and recovery all work together.

Quick Questions

Will I notice weather changes in my joint?
In some patients, yes. The exact mechanism isn't fully understood, but it may be related to changes in barometric pressure affecting the joint.
Can I donate blood after a joint replacement?
Usually yes, once you've fully recovered.
Will I need another surgery someday?
Most patients will not, but implants can wear over decades.
Can I go through a body scanner?
Yes.
Can I kneel on my knee replacement?
Yes, although it may feel uncomfortable.
Can I cross my legs after a hip replacement?
Usually yes after healing, depending on your procedure and your surgeon's recommendations.

Still Have Questions?

Whether you're preparing for surgery or just starting to explore your options, schedule an appointment to discuss your symptoms and treatment options with Dr. Jadye Kee.

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