Home >> Frequently Asked Questions >> Conditions & Procedures

Frequently Asked Questions- Conditions & Procedures

Why is arthroscopy necessary?

Diagnosing joint injuries and disease begins with a thorough medical history, physical examination, and usually X-rays. Additional tests such as an MRI, or CT also scan may
be needed. Through the arthroscope, a final diagnosis is made which may be more
accurate than through "open" surgery or from X-ray studies.

What are the joints that can be viewed with an Arthroscope?

Although the inside of nearly all joints can be viewed with an arthroscope, six joints are
most frequently examined with this instrument. These include the knee, shoulder, elbow,
ankle, hip, and wrist. As engineers make advances in electronic technology and orthopaedic surgeons develop new techniques, other joints may be treated more frequently in the future.

What are the conditions that can be treated by arthroscopy?

Some problems associated with arthritis also can be treated. Several disorders are treated
with a combination of arthroscopic and standard surgery.

Disease and injuries can damage bones, cartilage, ligaments, muscles, and tendons. Some
of the most frequent conditions found during arthroscopic examinations of joints are:

Inflammation

Synovitis - inflamed lining (synovium) in knee, shoulder, elbow, wrist, or ankle.

Injury - acute and chronic

Shoulder - rotator cuff tendon tears, impingement syndrome, and recurrent dislocations

Knee - meniscal (cartilage) tears, chondromalacia (wearing or injury of cartilage cushion),
and anterior cruciate ligament tears with instability

Wrist - carpal tunnel syndrome

Loose bodies of bone and/or cartilage - knee, shoulder, elbow, ankle, or wrist

What causes shoulder problems?

Most shoulder problems are the result of overuse or traumatic injury. Athletes who
participate in contact sports, such as hockey or football, often suffer shoulder injuries.
Frequent lifting and repetitive arm rotation can also cause wear and tear on the shoulder. Inflammatory diseases such as arthritis and bursitis may develop over time.

What are the types and causes arthritis in the knee?

Osteoarthritis or Degenerative Joint Disease - the most common type of
arthritis. Osteoarthritis is also known as “wear and tear arthritis” since the
cartilage simply wears out. When cartilage wears away, bone rubs on bone
causing severe pain and disability. The most frequent reason for osteoarthritis is
genetic, since the durability of each individual's cartilage is based on genetics.

Trauma - can also lead to osteoarthritis. A bad fall or blow to the knee can
injure the joint. If the injury does not heal properly, extra force may be placed
on the joint, which over time can cause the cartilage to wear away.

Inflammatory Arthritis - swelling and heat (inflammation) of the joint lining
causes a release of enzymes which soften and eventually destroy the cartilage.
Rheumatoid arthritis, Lupus and psoriatic arthritis are inflammatory in nature.

What is a hip replacement?

A hip replacement involves a surgical procedure to replace part or all of a diseased
or damaged hip joint with an artificial substitute—a prosthetic hip joint. The operation
to replace or mend a joint is known as 'arthroplasty'. The aim of a hip replacement
is to alleviate pain and restore function in the hip joint.

When is a hip replacement necessary?

A hip replacement may become necessary to prevent pain and increase mobility if your
hip joint is damaged as a result of disease or injury. The most common cause of hip
replacements is osteoarthritis, but the procedure may also be necessary for people with rheumatoid arthritis, osteoporosis, bone tumours or a fractured femur (thigh bone).

Hip replacements may not be recommended for people who have a high likelihood of injury,
such as people with Parkinson's disease or a significant weakness of the muscles.

What is the difference between standard hip replacement and
hip resurfacing?

The traditional treatment of a patient that required a hip replacement has been a stem-type replacement. The decision to perform a hip resurfacing is determined by diagnosis, the age
of the patient, the patient's level of activity and expectations.
The hip resurfacing offers a long-term outcome for young and active patients while saving
bone for later revision when necessary. This conservative approach to hip replacement
accounts for the popularity of the procedure.

How is my new hip different?

You may feel some numbness in the skin around your incision. You also may
feel some stiffness, particularly with excessive bending. These differences often diminish
with time and most patients find these are minor compared to the pain and limited function
they experienced prior to surgery.

Your new hip may activate metal detectors required for security in airports and some
buildings. Tell the security agent about your hip replacement if the alarm is activated.

What is the length of expectancy of the resurfaced hip?

The average expectancy ranges from five to twenty years depending upon the activity
level of the patient.

What causes arthritis in the knee?

What is the difference between total knee replacement and
unicompartmental knee replacement?

Knee replacement is removing the edges of the joint that have been diseased
by degeneration or trauma. Knee resurfacing is like a retread. The only part of
the joint that is resurfaced is the side of the joint that is diseased.

What is revision knee surgery? how is it different to the knee
replacement?

Revision surgery is different in that the original components are removed and
new components are implanted. The technical aspects of the surgery are more
complex than the original total knee replacement. However, the preparation for
surgery and hospital experience tend to be very similar to the primary knee
replacement.

What happens if my knee gets infected?

If a knee is infected the patient is first given antibiotics. If the infection does not clear
up, the implant will have to be taken out and the patient is scheduled for revision surgery.
The original components are removed and a block of polyethylene cement treated with
antibiotics (known as a “spacer block”) is inserted into the knee joint for six weeks.
During this time the patient is also treated with intravenous (I.V.) antibiotics. After
a minimum of six weeks, new knee components are implanted.

How is my new knee different?

You may feel some numbness in the skin around your incision. You also may feel some
stiffness, particularly with excessive bending activities. Improvement of knee motion is
a goal of total knee replacement, but restoration of full motion is uncommon. The motion
of your knee replacement after surgery is predicted by the motion of your knee prior to
surgery. Most patients can expect to nearly fully straighten the replaced knee and to bend
the knee sufficiently to go up and down stairs and get in and out of a car. Kneeling is
usually uncomfortable, but it is not harmful. Occasionally, you may feel some soft clicking
of the metal and plastic with knee bending or walking. These differences often diminish
with time and most patients find these are minor, compared to the pain and limited
function they experienced prior to surgery.

Your new knee may activate metal detectors required for security in airports and some
buildings. Tell the security agent about your knee replacement if the alarm is activated.
Find out more from your doctor on Special precautions and special exercise programs.