NCLEX RN Practice Question # 687
NCLEX Examination.
Practice question # 687.
NCLEX Examination.
What is a Below-Knee Amputation?
Transtibial amputation, or below-knee amputation, is a surgical procedure performed to remove the lower limb below the knee when that limb has been severely damaged or is diseased. Most transtibial amputations (60%–70%) are due to peripheral vascular disease, or disease of the circulation in the lower limb. Poor circulation limits healing and immune responses to injury; foot or leg ulcers may form as a result. These ulcers may not heal and may develop an infection that can spread to the bone and become life-threatening. Amputation is performed to remove the diseased tissue and prevent the further spread of infection.
Transtibial amputation surgery is usually performed by a vascular or orthopedic surgeon. The diseased or severely injured part of the limb is removed, keeping as much of the healthy limb as possible. The surgeon shapes the remaining limb to allow the best use of a prosthetic leg after recovery.
The need for transtibial amputation is caused by conditions including:
- Peripheral vascular disease (poor circulation)
- Diabetes
- Infection
- Trauma causing the lower leg to be crushed or severed
- Tumors (see link references at the bottom of the page for more information)