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Getting Used to a Splint or Cast

2016-07-13

Getting Used to a Splint or Cast  

SIR RUN RUN SHAW HOSPITAL SCHOOL OF MEDICINE ZHEJIANG UNIVERSITY


Swelling due to your injury may cause pressure in your splint or cast for the first 48 to 72 hours. This may cause your injured arm or leg to feel snug or tight in the splint or cast. If you have a splint, your doctor will show you how to adjust it to accommodate the swelling.


It is very important to keep the swelling down. This will lessen pain and help your injury heal. To help reduce swelling:

  • Elevate. It is very important to elevate your injured arm or leg for the first 24 to 72 hours. Prop your injured arm or leg up above your heart by putting it on pillows or some other support. You will have to recline if the splint or cast is on your leg. Elevation allows clear fluid and blood to drain "downhill" to your heart.

  • Exercise. Move your uninjured, but swollen fingers or toes gently and often.Moving them often will prevent stiffness.

  • Ice. Apply ice to the splint or cast. Place the ice in a dry plastic bag or ice pack and loosely wrap it around the splint or cast at the level of the injury. Ice that is packed in a rigid container and touches the cast at only one point will not be effective. 

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Warning Signs

Swelling can create a lot of pressure under your cast. This can lead to problems. If you experience any of the following symptoms, contact your doctor's office immediately for advice.

  • Increased pain and the feeling that the splint or cast is too tight. This may be caused by swelling.

  • Numbness and tingling in your hand or foot. This may be caused by too much pressure on the nerves.

  • Burning and stinging. This may be caused by too much pressure on the skin.

  • Excessive swelling below the cast. This may mean the cast is slowing your blood circulation.

  • Loss of active movement of toes or fingers. This requires an urgent evaluation by your doctor.


Taking Care of Your Splint or Cast 

You must follow your doctor's instructions carefully to make sure your bone heals properly. The following information provides general guidelines only, and is not a substitute for your doctor's advice.

After you have adjusted to your splint or cast for a few days, it is important to keep it in good condition. This will help your recovery.

  • Keep your splint or cast dry. Moisture weakens plaster and damp padding next to the skin can cause irritation. Use two layers of plastic or purchase waterproof shields to keep your splint or cast dry while you shower or bathe.

  • Walking casts.Do not walk on a "walking cast" until it is completely dry and hard. It takes about one hour for fiberglass, and two to three days for plaster to become hard enough to walk on.

  • Avoid dirt.Keep dirt, sand, and powder away from the inside of your splint or cast.

  • Padding. Do not pull out the padding from your splint or cast.

  • Itching. Do not stick objects such as coat hangers inside the splint or cast to scratch itching skin. Do not apply powders or deodorants to itching skin. If itching persists, contact your doctor.

  • Trimming.Do not break off rough edges of the cast or trim the cast before asking your doctor.

  • Skin. Inspect the skin around the cast. If your skin becomes red or raw around the cast, contact your doctor.

  • Inspect the cast regularly. If it becomes cracked or develops soft spots,contact your doctor's office.


Cast Removal

Never remove the cast yourself. You may cut your skin or prevent proper healing of your injury.

Your doctor will use a cast saw to remove your cast. Cast saws make noise and may feel "hot" from friction, but will not harm you — "their bark is worse than their bite."

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Rehabilitation

Broken bones take several weeks to several months to heal. Pain usually stops long before the bone is solid enough to handle the stresses of everyday activities. You will need to wear your cast or splint until your bone is fully healed and can support itself. While you are wearing your cast or splint, you will likely lose muscle strength in the injured area. Exercises during the healing process and after your cast is removed are important. They will help you restore normal muscle strength, joint motion, and flexibility.