Rehabilitation of the older lower limb amputee: A brief review

OBJECTIVE: To review outcomes, over the last 25 to 30 years, of prosthetic rehabilitation in the older patient with a major lower limb amputation. DESIGN: Literature review of articles and reports about lower limb amputation, using key words elderly amputee, rehabilitation, and lower limb amputation, through a computerized Medline Search. CONCLUSIONS: Age alone should not determine prosthetic rehabilitation. Comorbidities and general health are important determinants. The more proximal the amputation, the more energy is demanded from the cardiovascular and pulmonary systems for prosthetic gait. Changes in surgical technique and revascularization procedures have allowed preservation of the knee, which decreases energy demands and allows more older patients a chance to undergo rehabilitation for ambulation. Although the ratio of below knee (transtibial) amputations to above knee (transfemoral) amputations has increased, overall postsurgical mortality (10-30%), long term survival (40-50% @ 2 years, 30-40% @ 5 years), and risk of loss of the contralateral leg (15-20% @ 2 years) has not changed significantly since the 1960s. Despite the lack of improvement in survival as a result of the systemic vascular disease, the older patient can benefit from rehabilitation efforts with goals of prosthetic ambulation or simply cosmesis. The shortened longevity emphasizes the need for timely rehabilitation to enhance the quality of the remaining years. The geriatrician can add to the presurgical care and preprosthetic phase of rehabilitation by attention to the problems common to the older patient; i.e., multiple comorbidities, polypharmacy, immobility, and depression. Postoperatively, early mobilization is crucial to avoid the deleterious effects of immobility in the older person. Further investigations into the psychosocial issues and cost benefits of limb loss and prosthetic rehabilitation are needed. In addition, comparison of the various rehabilitation protocols and the impact of cardiac testing before rehabilitation are needed.