Casts are used to immobilize and maintain the alignment of a bone or joint, as well as to keep a fracture reduced and correct and prevent deformities. They can be made from layers of plaster or from synthetic material, such as polyester, cotton fiber, fiberglass or thermoplastics. Compared to conventional plasters, synthetic casts are faster to apply, bulky and weigh less, and can also be submerged in water; On the other hand, they are more expensive and have a greater potential to cause skin irritation and maceration.
Nursing Considerations:
-The skin that is covered with the plaster must be dry, clean and in good condition.
-The person should be informed that while it dries, the plaster gives off heat for about 20 minutes. It will then cool, dry and become lighter.
-The placement of the cast can be postponed until the edema or swelling of the extremity decreases. In the meantime, pain relievers should be administered and handled with care.
-The affected limb should be elevated to promote the reduction of edema.