Skip to main content

All about KNEE IMPLANTS

KNEE IMPLANTS FOR
KNEE REPLACEMENT SURGERY
KNEE IMPLANTS are used to replace articulating surfaces of knee joint when they severely get damaged. Joint surfaces are deteriorated to such an extent,they can't be recovered with use of conservative methods like 

Knee Implants are most commonly used in case of Osteoarthritic Knee joint, even in rheumatoid arthritis, psoriatic arthritis or severe knee injuries.
Knee Implants are highly successful and reproducible treatment for patients having serious knee joint issues, with more than 600,000 surgeries performed each year in the USA
85 to 90 percent of all total knee replacement operations performed are successful.

Surgery for Knee Implant 

What is the alternative to knee replacement surgery?

Conservative methods like pain meds and restriction of activities. Physiotherapy and chiropractice.

Will a knee replacement get rid of arthritis?

Yes for sure, cause the damaged surfaces of knee are removed and replaced with prosthetic implant in knee arthroplasty surgery. Those parts causing inflammatory pain are removed.

How do I prepare for a knee replacement?

You may have to wait 6 to 12 weeks to have knee replacement surgery. During this time, patient must do prehabilitation exercises to ensure a successful surgery and recovery.
pre-surgical physical therapy to strengthen the muscle surrounding the knee—may experience slightly less pain and better knee function after surgery. 
Cut down smoking, alcohol, tobacco and other drugs atleast 2 to 3 weeks before surgery.

Is it worth having knee implants? Is a knee replacement worth it?

You won't necessarily need a knee implants if you have arthritis of the knee and your symptoms are mild to moderate. But it may be worth considering if your knee is seriously damaged and the pain, disability or stiffness are having serious effects on your daily activities. 
At 70 this guy had his surgery and feels that surgery was totally worth it.
"Yes. It was totally worth it. Before the surgery, I was hobbling on a cane in intense pain. After the surgery, I was still hobbling on a cane, but only until recovery kicked in." Read the whole article written by him.

How long do knee implants last?

More than 95% of cases knee implants go more than 25 years without any discomfort.

Can you be allergic to knee implants?

The most common metal causing allergy is nickel, present in minimal quantity in knee implants. Metal allergy is a rare cause knee implant failure.
Metal hypersensitivity may be a cause of failure for total knee arthroplasty. But still today a clear correlation between metal sensitization and symptomatic knee after surgery has not been confirmed. Still, Patients with a clear history of metal allergy, must be carefully examined through laboratory testing before surgery. Allergies against implant materials remain quite rare. Metal hypersensitivity is a type IV allergic reaction, This response produces tissue inflammation and periprosthetic tissue damage.

What are knee implants made of?

Knee Implants could be made of metal alloys, ceramic material, or strong polyethylene parts. The metal-plastic bearing combination is the most commonly used knee implants worldwide. 
Cobalt-chromium alloys are tough, corrosion resistant, bio-compatible metals. Pure titanium is used to create fiber metal. Even, Tantalum has excellent biological properties, like flexibility, corrosion resistant, and biocompatibility. 

How much does a knee implant cost?

Price differs from country to country. India has one of the best affordable Medicare services. Implant prices in India have been slashed by 70%.
The standard, widely used cobalt chromium in knee replacement surgery will now cost Rs 54,720 Similarly, the price of special metals like titanium and oxidised zirconium will cost about Rs 76,600.

How long is hospital stay for knee replacement?

You will have to stay in the hospital for 2 to 3 days after having knee replacement surgery. During that time you will recover from your anesthesia and the surgery and will start to eat by yourself after 3 days.

What is the best knee implant?

There is no such official report or data on this. But is recommended to choose an experienced surgeon for knee replacement surgery.

What is the best age to have a knee replacement?

About 50 years, if you are suffering from osteoarthritis. As your muscles starts to weaken after this age and body starts to deteriorate slowly. You will have hard time suffering from the pain of osteoarthritis. 

Can your body reject a knee implant?

Body can't reject a knee implant cause in case of graft rejection body forms antibodies against the graft due to some antigenic properties present in it. But in case of knee implant there is no such antigenic reaction produced in the body, so immune system does not respond against knee implant.

What happens if you don't get a knee replacement?

It won't have any serious effect over your knee condition in most of the cases but implants make your life easier by reducing your knee pain and Letting you to have range of motion back.

What are the signs of a knee replacement going bad?

In rare cases knee replacement surgery get bad due to Unprecedented reasons like post-surgical infection or trauma to knee or nerve damage leading to decreased response of knee joint. Few Signs of knee replacement going bad would be:-
Pain not Subsidizing with time
Restricted range of motion
Fever after surgery due to infection

How painful is TKR surgery?

Actually you won't feel any pain while surgery cause you would be under anaesthesia. 
After surgery you will be under pain meds and then rehab, you will not feel that much pain after surgery.

Why does my knee replacement hurt so much at night?

During sleep you are not aware of knee position and so keep hurting your knee by moving it in sleep as it is still under rehab, you must give it proper time to heal.

Who should not have a knee replacement?

Surgery is the last option, if you have not tried every other possible option than you must not hurry for surgery. Knee Pain could be due to nerve, muscle or circulation disorder.
Knee implants won't help you in case your immunity is very low or you have severe blood related disorder. This increases chances of complication during surgery.
In case you are overweight then delay surgery as you will have hard time during rehab.

What are the side effects of titanium implants?

The accumulation of titanium ions and particles can occur systemically as well as in the surrounding tissues, which can lead to toxic reactions in other tissues including yellow nail syndrome. Additionally, there are cases where the metal material is hypersensitive. Currently, zirconia implants are considered to be an alternative

Can titanium implants make you sick?

No, its very rare to happen with titanium implants. As titanium is one of the strongest metals.

Can the body reject titanium?

No, body does not reject titanium Implants.

Can you break a knee replacement?

Not at all, as its made of very strong alloy material.


Comment us about your own experiences on injuries. Your comeback story will be featured on this blog in a special section.







 

Comments

  1. Physiotherapy012July 1, 2021 at 12:36 AM

    I simply wanted to write down a quick word to say thanks to you for those wonderful tips and hints you are showing on this site. how to relieve knee pain || action physiotherapy

    ReplyDelete

Post a Comment

Popular posts from this blog

Shoulder Dislocation Treatment

SHOULDER DISLOCATION TREATMENT Treatment include moving the bone in place, splinting, medication and rehabilitation . Surgery is required only in rare cases. FAQ'S ANSWERED IN THIS POST ARE? Is my shoulder dislocated? What tests do I need? What treatment approach do you recommend?  Are there alternatives? How long will it take for my shoulder to heal? Will I have to stop participating in sports?  For how long? How can I protect myself from re-injuring my shoulder? Most Versatile Joint The shoulder is the body's most mobile joint, which makes it susceptible to dislocation. Because it moves in several directions, your shoulder can dislocate forward, backward or downward, completely or partially, though most dislocations occur through the front of the shoulder. Anterior dislocation is common. It takes a strong force to pull the bones out of place, such as a sudden blow to your shoulder. Main Causes of Shoulder Dislocation Shoulder dislocation is a common injury in contact sport...
1 comment
Read more

Why do Shin Splints happen

SHIN SPLINTS Why do shin splints happen  Shin splints happen cause of change in the lifestyle. That change could be sudden(accidental) or gradual(overuse). Most often shin splints are result of rise in the physical activity which creates excessive pressure over bone tissues, precisely the shin bone (tibia) in case of shin splints .  Shin splints aka MTSS (medial tibial stress syndrome) or Periostitis tibial is inflammation in periostium(outermost layer) of shin bone. Mechanism behind Pain of Shin Splints The pain is caused by disruption of connective tissue which connects the medial soleus fascia(tissue covering muscle) through the periosteum(outermost layer of bone) of the tibia. With repetitive stress, the impact of forces eccentrically fatigue the soleus(leg muscle significant for running) and create repeated tibial(major bone in lower leg) bending or bowing, leading to Shin Splints . This is the answer to " why do shin splints happen ". What are shin splints caused by...
Post a Comment
Read more

ANKLE SPRAIN : EXPLAINED WITH HOME TREATMENT

Ankle Sprain Treatment SPRAINED OR TWISTED ANKLE An ankle sprain is an injury to the tough bands of tissue (ligaments) that surround and connect the bones of the leg to the foot. When ligaments surrounding the ankle are pushed past their boundaries, it causes a sprain. These ligaments help stabilize the joint hence preventing excessive movement.  ANATOMY OF TWISTED ANKLE Most commonly involved ligaments are the one present outside of the ankle . What Causes Ankle Sprain ? Placing foot wrong way when running Wearing high heels or shoes that don’t fit well Signs and Symptoms of Ankle Sprain swelling tenderness bruising pain in ability to put weight on the affected ankle skin discoloration  stiffness Tenderness to touch Instability of the ankle—this may occur in severe cases How to Diagnose Ankle Sprain Anterior Draw - tests  ATFL Talar Tilt - tests (anterior  talofibular  ligaments ) CFL Posterior Draw - tests  (calcan...
8 comments
Read more