Transcript Knee replacement surgery

Knee Replacement Surgery:
The Procedure and
Post Surgical Therapy
By: Tania Marks
University of California Santa Barbara
November 30, 2004
Topics
 Anatomy
of the knee
 Knee Replacement Surgery
– Basic procedure and prosthesis
– Conservative methods of treatment
– Reasons for Knee replacement
surgery
 Post
operative Treatment
- Physical Therapy
Benefits of Knee Replacement Surgery
Reduce Pain 
 Live comfortably
 Correct deformities
 Increase mobility, movement and strength
 Procedure is common and very successful

Anatomy of the Knee
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Knee is a weak joint
Femur- thigh bone
Tibia- shin bone
Cartilage
Ligaments
Quadriceps muscles
Patella tendon and
patella
Quadriceps tendon
Figure 1: Side and front view of
patellofemoral joint [Patient's Guide to Total
Knee Surgery, 2004]
Knee Replacement Surgery Procedure
Figure 2: Surgical Procedure [Collins and Pavlik, 2004]
Prosthesis

Artificial Replacement

Metal used for the femur

Plastic used for the tibia
Figure 3: Knee Prosthesis [A Patients Guide to
Total knee replacement surgery, 2004]
Conservative Methods of Treatment
 NSAID-
non steroidal anti-inflammatory
medication
– Aspirin, naprosyn, and ibuprofen
 Physical
Therapy
– exercises
Reasons for Knee Replacement Surgery

Knee Pain

Osteoarthritis
(See figure)

Tumors
Figure 4: Before and After Knee replacement surgery of
knees with osteoarthritis [Shiers, 1975]
Post Operative Treatment:
Physical Therapy
Goals
 Increase flexibility
 Increase coordination
 Increase movement
 Enhance endurance and daily activities
 Increase range of motion
Sample Exercises and Purpose

Quadriceps setting –
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Heel slides -
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increase muscle strength
increase
flexion and extension
Terminal Knee
Extension- increase
flexion and extension
Figure 4: Quadriceps settings, heel slides Terminal Knee
Extension Exercises [Muller and Webber Physical Therapy
office, 2004]
Conclusion: Knee Replacement
Surgery over the Years

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One of the fastest growing surgeries
According to hospital database in Canada,
the number of knee replacement surgeries
per year:
– 1994 - 1995 = 15, 360
– 2000 – 2001 = 23,130
– 2001 – 2002 = 25,815