Advantages

• Out patient procedure
• Small scar
• Immediate Weight bearing
• Preserves all ligaments
• Replaces only damaged area (exposed bone).

Surgery - Hemi Knee Replacement

A metal surface is cemented to the femur. A plastic surface is cemtnted to the tibia.

Stryker Knee Systems www.stryker.com

Goal

Reduce pain, catching, locking and swelling

Surgical Time

Approximately 2 hours Out patient

Anesthesia

General anesthesia is most common. Spinal and local may be used in some cases.

Pre Op Preparation

Don't eat or drink anything after midnight. Most medications should be taken with a sip of water. You will be called one day prior to your surgery date with directions and the time of surgery. You be asked to show up about and hour ahead of time. You can plan on going home about 3 hours later. You will need a ride home and someone who will stay with you overnight.

Post Op Instructions:

Medication

Start with ice, elevation, and Tylenol or Ibuprophen.

You will be given a narcotic pain reliever (hydrocodone or oxycodone) - use it if you need it. A little bland food on your stomach is a good idea. Take 1 or 2 as needed (at least three hours between doses).

Antiinflammatory medication helps reduce pain and swelling.

Over the counter:

Ibuprophen Take 3 with food three times a day

Aleve Take two with food twice a day.

Prescription:

Consult your doctor.

Ice 20 - 30 min twice daily

Ice reduces swelling and pain. Icing should be limited to 20 minutes - if directly on the skin.(3 to 4 session per day). You may use ice continuously if applied against a protective layer of towel or ace wrap.

Warning Signs - Call our office if you have:

425 899 6060

Marked swelling.

Elevated temperature.

Severe nausea.

Marked pain.

Return visit

usually @ 2 days and 2-3 weeks, 6 weeks

Rehabilitation / conditioning

Ice for two days with minimal stress for knee. Avoid prolonged standing or walking.

Use crutches or a walker - but put as much weight as possible through the knee.

Start gentle range of motion exercises on day 1 - 100stretches for flexion and 100 for extension three times each day.

Day 7 - 10 advance cycling / swimming to 30 minutes a day.

Start with a stationary bike. Set the seat high, low resistance. Start by rocking you feet "to and fro". Eventually, work up to spinning.

Swimming is another good choice. Swim laps, walk or "run" in chest high water. Avoid breast stroke or whip kicking at first.

Day 10 intensify cycling, stair climbers, elliptical trainers, health riders.

Week 3 advance to all activity - walking

Incisions and Dressings

Keep your bandage dry. You may shower, but cover the area with plastic. DO NOT soak in tub.The dressing will be changed at your first postoperative visit.

Return to work

Sedentary (sitting) 1 weeks

Standing 3 - 6 weeks

Driving

Must be off pain medication, confident in using brake - usually 1 - 3 weeks.