An amputation is defined as the ‘partial or complete surgical removal of a limb’ (Mauk 2012). Artificial limbs have been found that have dated back to over 2,000 years ago, making amputation surgery one of the oldest surgical procedures in history (Australian and New Zealand Society for Vascular Surgery 2016).
Lower limb amputations are more common than upper limbs. In the UK, major limb amputations are performed on between 5,000 and 6,000 people every year, and in the USA approximately 1.6 million persons are living with a loss of a limb (Mauk 2012; Price et al. 2015).
Amputations are caused by both medical conditions and trauma. Medical conditions resulting in amputation are often those that restrict blood flow to extremities, usually by atherosclerosis forming in the arteries. This can be from conditions such as diabetes, hypertension, hypercholesterolaemia and renal failure.
50 to 70% of amputations are completed in patients who suffer from diabetes, and these amputations tend to be of lower limbs (ANZSVS 2016; Mauk 2012).
Accidental trauma causing crush injuries, burns or frostbite can also lead to amputations, usually of the upper limbs. Traumatic amputations account for about 20 to 50% of total amputations (Mauk 2012).
Amputations can be classed as either minor or major depending on how much of the body part is removed. For example, a forefoot amputation is classed as a minor amputation, whereas a below knee amputation is classed as a major amputation (ANZSVS 2016).
The amputation of a body part has a huge impact on the individual’s perception of their body and affects their physical and psychological condition, as well as their quality of life (Holzer et al. 2014). There are many psychological consequences for the individual, including feelings of loss, depression, fear, and anxiety, as well as changes in their body image and sometimes their role within the community (Holzer et al. 2014; Mauk 2012).
Following the surgery, the person can be afraid to look at their remaining limb and may take time to adjust to the change. This disturbance in body image can also leave the person unwilling to participate in their own care relating to their new amputation (Mauk 2012).
There will be periods of grief for both the loss of their body part and also for their loss of function, and potentially their independence (Mauk 2012). This can also impact on their ability to assist in self care activities.
Physical Therapy and Physical Aspects, Mobility and Function
It is important for people with amputations to participate in physical therapy. Physiotherapy helps with the individual regaining their physical and functional abilities and improving their quality of life. Functional training is one of the key aspects of rehabilitation in patients with an amputation (Mauk 2012).
Physiotherapists will assess the patient’s functional mobility, strength, range of motion, balance and skin integrity to set up a program individualised for the patient, and regularly perform reassessments and evaluate care to change the program as the patient progresses (Mauk 20120).
Care of the Remaining Limb
Following amputation, individuals are taught to monitor the skin of their remaining limb, especially those patients who also suffer from diabetes. A knee immobiliser, for instance, can be used initially to help prevent contracture and to protect the area in case of a fall in those with a lower limb amputation (Mauk 2012).
Oedema can also be present in the limb, which can make fitting the prosthesis difficult. If oedema is significantly impacting on the prosthesis fitting, compression can be used to help decrease the amount of oedema present. This can help shrink and reshape the limb, making prosthetic use more comfortable for the individual. Prosthetic socks can also be worn to compensate for residual limb shrinkage as well as provide comfort to the individual (Mauk 2012).
Pain Management and Phantom Limb Pain
Pain is problematic in a patient when it has been present for more then six months following their amputation. This pain can be classed as nociceptive pain, which may be as a result of a poorly fitting prosthesis. Phantom limb pain is also referred to as residual limb pain or neuropathic pain (Uustal & Meier 2014).
Most patients with an amputation will experience phantom limb pain, generally during the acute postoperative period, with it easing significantly as they recover. The patient will experience sharp episodes of pain sporadically throughout the course of their life. Phantom limb pain will usually decrease following the surgery and doesn’t require any treatment after three months. However, some people may continue to experience phantom limb pain following the acute stage of their amputation, which can then result in chronic pain (Uustal & Meier 2014).
If the patient is experiencing phantom limb pain, the following interventions can assist in its treatment:
- Control any oedema present in the stump
- Establish a restful sleep pattern
- Decrease anxiety
- Decrease stress
- Restore control to the person
- Restore meaningful function
- Use desensitisation techniques for the remaining limb
- Decrease depression; and
- Cessation of smoking.
(Uustal & Meier 2014)
The most common cause of pain after amputation is issues with the prosthetic fit (Uustal & Meier 2014). This can be due to the prosthetic putting pressure on the remaining part of the limb, which was never meant to be pressure bearing, leaving these pressure points to become painful (Uustal & Meier 2014).
Some secondary complications that may occur following amputation can relate to falls, skin breakdown and problems associated with prosthetic use (Mauk 2012).
One in five lower limb amputee patients will experience a fall during their hospital stay with 18% of that number becoming injured (Mauk 2012). This is why balance training and fall recovery is incorporated into the patient’s physical therapy treatment.
Skin breakdown can occur on the residual limb, which is why patients are promptly taught following surgery about how and when to perform regular skin assessments. If skin is compromised, this may be a result of an ill-fitting prosthesis, and may need to be altered to provide a better fit (Mauk 2012).
Nurses have many roles when looking after a patient following an amputation. Patient and family education is important in their treatment and often will be completed by the nurse who may be assisting the patient with their prosthesis.
Assisting with self care deficits is also part of the role of the nurse. This may mean reinforcing instructions from the multidisciplinary team and also encouraging the patient’s independence.
The nurse must be able to differentiate between different pains, and implement strategies to assist in the patient’s comfort (Mauk 2012).
The nurse is also essential in assisting the patient and their family with disturbances to the way they may be feeling as a result of the change in body image. The nurse can provide support, not only to the patient, but also to their family.
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- Holzer, LA, Sevelda, F, Fraberger, G, Bluder, O, Kickinger, W & Holzer, G 2014, ‘Body image and self-esteem in lower-limb amputees’, PLOS one, viewed 8 December, http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0092943
- Mauk, KL 2012, Rehabilitation Nursing: A contemporary approach to practice, Jones & Bartlett Learning, Sudbury.
- Price, B, Monatt, B & Crofts, D 2015, ‘ Managing patients following a lower limb amputation’, Journal of Community Nursing, vol. 29, no. 3, pp. 26 – 33, http://www.jcn.co.uk/files/downloads/…ower-limb-amputation.pdf
- The Australian and New Zealand Society for Vascular Surgery 2016, Amputation, ANZSVS, viewed 8 December 2016, http://www.anzsvs.org.au/patient-information/amputation/
- Uustal, H & Meier, RH 2014, ‘Pain issues and treatment of the person with an amputation’, Physical medicine and rehabilitation clinics of North America, viewed 8 December 2016, http://acmfr.org/descargas/pain-issues-and-reatment-of-the-person-with-an-amputation.pdf
Sally is a Rehabilitation Clinical Nurse Specialist and Nurse Educator teaching the Diploma of Nursing. She is passionate about education in nursing so we can become the best nurses possible. Sally has experience in many nursing sectors including rehabilitation, medical, orthopaedic, neurosurgical, day surgery, oncology, emergency, aged care and general surgery. Sally's Blog.