Very basically, arthroplasty involves replacement of the knee joint cartilage with a prosthesis made up of special metals and plastics and involves a hospital stay of 3 to 7 days after the knee replacement surgery. Most hospitals will not discharge a patient who has had replacement knee surgery unless they can walk with the aid of crutches. Knee rehabilitation therapy commences almost immediately after the surgery and can continue for several months. This is a crucial key to good recovery.

Since it can take up to 3 weeks after surgery before the repaired knee joint can be expected to bear any weight, it may be necessary for patients to receive in-home assistance. If in-home care is not available then there are rehabilitation centers that can provide that service. This would mean staying at the center for 2 or 3 weeks after the operation. During this time the leg should be kept elevated as much as possible and use ice packs to help minimise swelling.

Since we are all different with different health, fitness and motivation levels and the complexity of knee surgery varies with each operation, the recovery procedure and recovery time can vary. The following are guidelines only and can vary from case to case.

For the first three to four weeks after the knee replacement, walking with aid of crutches or a walker is necessary.

After that period the use of a cane is recommended for two to three weeks.

Usually, after around 8 weeks, most people can walk unaided.

It generally takes from 6 to 12 months for the knee joint to heal completely. This time frame is dependent on the knee exercises and rehabilitation program being followed and on the knee not being damaged by trying to pursue some activities too soon.

The level of mobility of the knee following the surgery varies from person to person, however, most people should be able to bend the repaired knee joint to 90 degrees with two to three weeks after their knee replacement surgery. Eventually, many will get over 110 degrees of motion in the repaired knee.

It should be possible to return to jobs that are sedentary by 6 weeks after surgery. More physical jobs should be looked at on an individual basis in conjunction with your health care professional.

After about 12 weeks, most people are back to their normal activities and the pain experienced before the knee replacement has usually disappeared by this time.

It is important to remember that the components used in the knee joint prosthesis are not able to heal if the knee is damaged and so common sense must prevail when considering undertaking leisure, sporting and employment activities to lessen the risk of injury. Here is a list of recommended activities, activities that are allowed in moderation and ones that should be avoided altogether.

Recommended activities

* Swimming and water aerobics

* Cross-country skiing

* Golf

* Dancing

* Cycling

*Using training machines like cross trainers and exercise bikes

* Desk work

Permitted: Allowable in moderation:

* Hiking

* Sports like gentle tennis or gentle downhill skiing

* Jobs that do not require heavy lifting (driving, walking, standing etc).

These activities should be avoided at all costs:

* Jogging or running

* Impact exercises

* Contact sports and those sports that put a lot of stress son the knee through pivoting or twisting e.g. basketball, squash, football etc.

* Heavy labor and lifting.

With the advances made in total knee replacement surgery procedures and prosthetics, almost full use of the knee can be expected for many years.

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Prior to knee surgery, the knee has usually suffered from some degenerative changes which, in turn, may have caused the muscles that help support the knee to lose some of their strength and to not function exactly as they should. After a knee replacement operation, exercise is a critical part of the healing process but because of the pain and loss of function of the knee as well as the weakened muscles, it can be difficult to stick with an exercise regimen.

Over the past few years a lot of progress has been made in developing knee prostheses that are extremely durable and long lasting. Even so, these synthetic knee joints are not as robust as the actual knee joint and are subject to being damaged by activities like running, jumping and twisting and other “high impact” physical movements.

Your orthopedic surgeon will guide you in the exercise routine that you should commence after knee replacement surgery. He will also advise when to start exercising. Major knee exercises generally should not commence until your knee can bear your full weight, swelling and pain at the front of the knee has subsided and you have good knee motion, usually being able to bend you knee through 90 degrees. This could be as long as three months after the surgery. As soon as possible after the knee surgery, patients are expected to do simple knee straightening and bending exercises, sometimes with the aid of a special machine. The exercises will progress from light exercises initially and slowly increase in intensity as time and the healing process progresses.

The aim of the knee exercises is not only to ensure the knee can be bent and straightened but also to build up the muscles around the knee that help support it and to develop balance.

Two of the best knee rehabilitation exercises are bike riding (on an exercise bike) and swimming. These not only provide excellent therapy to assist in the healing of the knee joint but also are excellent cardiovascular exercises that also help in weight control. Maintaining a healthy weight level will speed up recovery time as less pressure is applied to the knee joint.

• BIKE RIDING – Use an exercise bike. When sitting on the seat, the foot should just rest on the pedal and the leg should be straight. This will prevent over-bending the knee which could cause damage. Start on a low resistance setting and slowly increase the resistance and the time.

• SWIMMING – This is one of the favored exercises because it is not weight bearing and can provide a total body workout. Again, start slowly and, if necessary, use a float to support the legs. Avoid leg actions like in the breast stroke which can put excessive strain on the knee joint. Slowly work up to a normal kicking action.

As the strength of the muscles around the knee and the mobility of the knee joint increases, you should experience less pain and discomfort and be able to slowly get back to your normal daily routine.
Knee rehabilitation exercises post total knee replacement surgery are one of the best ways to reduce recovery time and ensure that the new knee will give you many years of pain-free use.

Knee Rehabilitation Exercises

Whether you are rehabilitating your knee form after surgery or after an injury, progression of exercises should be slow and pain free.

Knee Rehabilitation After Knee Surgery

A general rehabilitation program in a patient with total knee arthroplasty (TKA). Day of surgery

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Arthroscopic knee surgery is knee joint replacement surgery.  Basically there are two types of arthroscopic knee procedures:

• Total joint arthroplasty where both sides (shinbone and femur) of the knee joint are replaced and

• Hemiarthroplasty or partial knee replacement in which only one side of the knee joint is replaced.

Arthroscopic knee surgery is used to replace a damaged or diseased knee joint with an artificial joint.  This prosthesis is made from surgical grade plastics and metal alloys and is designed to work in the same way as bone and cartilage does and to behave in the same way as a healthy joint.

In this surgery, the orthopedic surgeon will remove the damaged or diseased parts of the bones that make up the knee joint.  In a healthy knee joint the surfaces of these bones rub together using cartilage to act as the buffer between them.  In total knee replacement surgery the surgeon will remove the damaged surfaces of the three bones that rub together (the kneecap or patella, the thighbone or femur and the shinbone or tibia) and replace them the plastic or metal prostheses.  .  The surgery usually takes between 1 and 2 hours.

The components used in knee joint replacement surgery are designed to match the original bones that they replace.  The section of the femur or thighbone that is replaced is made of rounded metal alloy that is designed to closely match the curve of the natural femur.  A very smooth long wearing polyethylene plastic is used to replace the surface of the shinbone and act as knee cartilage.  This same material is used to replace the cartilage on the back of the kneecap.

The ultimate aim of this surgery is to replace the painful surfaces of the knee joint with new surfaces made from artificial materials.  The knee joint is then no longer painful and mobility is increased.  An added benefit is that joint deformities can sometimes also be corrected at the same time.

Knee surgery recovery is relatively quick and knee joint rehabilitation commences almost immediately after the orthopedic knee surgery.  Walking with the aid of crutches or a walker and knee physical therapy usually start within 24 hours of the operation and can take several weeks.  Generally many normal activities like climbing stairs and getting in and out of chairs can be attempted within a few days.  Knee replacement exercises are an important part of rehabilitation.

Orthopedic knee replacement surgery has a success rate of up to 95% with most knee implants functioning well for many years after surgery.  Most knee implants should last for about 15 years with moderate levels of activity.  However, continual strenuous activity can reduce the life of the knee implant.

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Knee microfracture surgery or knee cartilage regeneration is a method used to repair damaged cartilage.  This method of orthopedic knee surgery can be used in some instances instead of necessitating a full or partial knee replacement surgery.   It can also be used to relieve the pain associated from knee cartilage injuries, knee arthritis in its early stage, lesions on the knee cap and degenerative chondral lesions of the knee.

Simply put, it is cartilage that helps to cushion the bones in the joints.

This type of knee surgery is minimally invasive with only one small incision being made to the affected knee.  this small incision, usually only a quarter of an inch long is made and an arthroscope is inserted into the knee joint.  This apparatus allows the surgeon to see inside the joint using a micro camera and to work directly on the problem.  It is another type of arthroscopic knee surgery. 

Using an awl, a tool a bit like an ice-pick, the orthopedic specialist drills a series of tiny holes or "microfractures" directly into the bone surrounding the problem cartilage.  These tiny fractures causes the body to make new cartilage to replace the defective cartilage by causing bone marrow to seep from the microfractures that creates a blood clot.  This blood clot releases cells that rebuild cartilage.

Once the procedure has been completed knee surgery recovery is relatively fast with most patients being able to participate in sports and other strenuous and intense pastimes in around four months.
 
Physical therapy of the knee commences immediately the surgery is completed, usually in the recovery room, where a continuous passive motion machine is used to gently flex and extend the leg.  This CPM machine is used for periods up to 8 hours per day for a few weeks after surgery.  It is sometimes used while the patient is sleeping.  This sort of knee therapy is thought to sped up the cartilage regeneration process.

 
For the first six to eight weeks the knee joint should not be subject to any load bearing and so crutches are needed to assist with mobility.

Like any surgery there are risks like excessive bleeding and infection.  With proper care these are minimal.
Using microfracture surgery causes new cartilage to develop.  However, this new cartilage is not as durable as the original cartilage and has been known to break down after a few years.   The patient can also be left with increased stiffness in the knee joint.

Combining of arthroscopic knee surgery and microfracture knee surgery is becoming a recognised method of rebuilding cartilage.

Kerry Northey

Panthers look to Allen’s return from microfracture knee surgery.

The 29-year-old played only two games last season before he had to go for microfracture surgery on a knee, which caused him to miss the rest of the 2008-09 campaign. 

Microfracture Knee Surgery

Cartilage damage can lead to chronic knee pain. Athletes with this problem can benefit by microfracture surgery.  

Micro Fracture Surgery Versus Stem Cells

A physician compares the results of micro fracture for a knee cartilage lesion to stem cell injection. … It’s a brilliant advance over arthroscopic debridement (surgeries where cartilage is simply “cleaned up” by cutting it out). I think that in the future we may see stem cells placed in the joint after micro fracture surgery to aid healing and we’ll also see many non-surgical, stem cell based, injection options like the Regenexx procedure. 

Gregg’s Micro Fracture Surgery

It marked Gregg’s first regular-season game back on the field after missing last season when he underwent microfracture knee surgery. "It’s good to be back," Gregg said. "I was down and out. 

Did Cofield Have Microfracture Knee Surgery?

In the wake of New York Giants defensive lineman Fred Robbins’ disclosure that he had microfracture knee surgery before later removing the information from his blog.

Robbins needed microfracture surgery

He had microfracture knee surgery, which is a much more serious procedure than the scope that Cofield had. Robbins revealed the nature of his surgery on his own website. 

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Sometimes not knowing is worse than the actual procedure.  This can be the case  with arthroscopic knee surgery.  Basically it is method used to investigate and repair damage that is causing knee pain and limitation in movement using minimally invasive surgery techniques.

The first video, an animation, explains how the knee joint works and how the surgery is performed.

The second video is a real life case.  It briefly shows the operation and covers what you can expect after the knee operation.

Arthroscopy of the Knee

Arthroscopy is literally to view a joint. The use of arthroscopy allows an orthopedic surgeon to look inside a joint and see what needs to be done. Arthroscopy is very useful in the diagnosis and treatment of problems with the knees. 

Tips For Fast Recovery After Knee Arthroscopy

Recovery from knee arthroscopy is fairly quick, especially when compared with recovery from open knee surgery. Still, it is important to follow all of your orthopedic surgeons instructions for the fastest recovery possible.

What to Expect From Arthroscopic Surgery

With knee arthroscopy, an orthopedic surgeon can get an excellent view of the interior of a patients knee. This is done by use of a very tiny camera inserted through a very tiny incision. 

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Because  arthroscopic knee surgery is far less invasive than traditional knee orthopedic surgery, arthroscopic surgery recovery time is usually much quicker.  Even so, it is very important that you still follow the instructions of your arthroscopic surgeon to ensure that complications do not occur.

Signs of complications can include the following symptoms:

Fever or chills
Unexpected swelling in the knee
Ongoing redness or warmth around your knee
An increase in knee joint pain or pain in your calf muscle.

If you experience any of these symptoms you should call your orthopedic Dr as soon as possible.

Here are some things you should do and expect following your knee orthopedic surgery.

For the first few days following surgery keeping your knee elevated will help to reduce any swelling.  Using ice packs on your knee will also help with swelling and pain.

Generally the dressing that was applied following the knee operation can be removed after a day or so.  When you remove the bandage ensure to keep the area dry and clean.  When showering avoid getting water directly onto the wound.  

Usually within a few days after the knee surgery you will be expected to see your knee surgeon so he can check your progress and instruct you on your knee physiotherapy.

After your knee surgery you should be able to walk unassisted.  However, you may be advised to use crutches or a cane for a short period of time.  You will find that you will slowly be able to put more weight on the affected limb as any pain reduces and the knee becomes stronger.  You can usually drive after about 7 days.

Exercise is very important to regain mobility and strengthen the knee.  You may be directed to use a physiotherapist who can map out an exercise regimen specifically for you.

Your arthroscopic surgeon may recommend a course of antibiotics following the surgery to prevent any infection.  In addition he may also prescribe some medication for knee pain relief.

Although rare, knee arthroscopy does sometimes lead to complications.  These can include infection, an accumulation of blood around the knee and blood clots.  As I mentioned, these are infrequent an are usually minor.  They are easily treated.

Fortunately, with this type of orthopedic knee surgery, the pros far outweigh the cons.  Any complications arenegligible and the benefits obtained in mobility and pain reduction are well worth a few days of discomfort.

Knee Pain Relief: Arthroscopic Knee Surgery & Knee Braces

The arthroscope (one of the surgical tools used in the surgery) is inserted into the knee joint through a small incision that your physician will make.  As a result of being less invasive, this procedure can reduce recovery time and can increase the success rate of the procedure. 

News that Seahawks’ Jones will require another knee surgery.

News that Jones will require another knee surgery, this one arthroscopic, leaves the team with only two proven tackles for the immediate future.

Speeding Up Your Recovery After Knee Arthroscopy

Recovery from knee arthroscopy is fairly quick, especially when compared with recovery from open knee surgery.

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Arthroscopic Surgery Recovery – Points to remember

Keeping your leg elevated as much as possible and applying ice as recommended will help reduce swelling and relieve any pain.

Antibiotics may be prescribed to help reduce the risk of infection after orthopedic knee surgery and also pain medication to help relieve any pain or discomfort.

Your knee will covered by a dressing when you leave hospital.  This can usually be removed 24 hours after the arthroscopy (if in doubt check with your orthopedic dr).  Keep the incisions dry and clean.  Avoid soaking them in water (as in a bath) and spraying water directly on to them.

Usually you will be able to walk unassisted after your arthroscopy.  However your surgeon may recommend using a walker, a cane or crutches for a short period.  Slowly, as any discomfort lessens and your knee regains its strength, you will be able to put more weight on your legs.  After about a week you should be OK to drive.

Exercises to Strengthen Your Knee

It is important to strengthen your knee and the muscles around your knee to ensure your knee regains full movement.  Your orthopedic surgeon will be able to give you more information on knee pain exercises and may recommend you use a physical therapist to help with your exercise regimen.  Exercises should continue for several weeks after surgery.

Generally, you will be expected to visit your orthopedic surgeon a few days after your surgery so your progress can be checked and reviewed.  It is here that you will usually be given your post arthroscopy treatment plan.

Complications are minimal with this type of orthopedic knee surgery.  Potential complications are blood clots, infection and accumulation of blood in the knee.  As I mentioned, these are infrequent and usually minor in nature but, should a complication arise, it is readily treatable.

If you use your common sense and follow any instructions given to you, knee arthroscopy surgery is a very effective treatment for many knee injuries.

Arthroscopic Knee Surgery

Arthroscopic Knee Surgery & The Benefits A Knee Brace Can Provide. Do you want to know what arthroscopic surgery entails? 

Arthroscopy

In a restorative technique a reparative tissue is generated by surgery. There are a number of techniques involved and some can be done through key hole incisions (arthroscopic surgery).

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