[Impact of frailty factors in elderly people older than 75 years with prosthesis of the hip].
OBJECTIVE
Hip pathology of hip requiring a surgical assumption of responsibility (coxarthrose invalidating, hip fracture) is increasing, and after the year 2025, the number of interventions will double. In parallel, the number of elderly people (older than 75 years) with malnutrition associated with cognitive impairment and reduced autonomy is on the increase. So the concept of frail elderly identified by specific criteria allows for better defining the health needs of heterogeneous elderly people. The objective of this study was to determine the influence of frailty factors on autonomy and clinical outcome after intervention for prosthesis of the hip.


METHODS
This prospective work, completed over 8 months, included 55 patients with total or intermediate prostheses of hip, whatever the cause, recruited from rehabilitation wards. Results from a pre-established questionnaire defined the personal status and social framework of these patients. A medical examination evaluated cognitive function Mini Mental State (MMS), nutritional state (IMC) and the level of autonomy immediately after surgery (the first 2 weeks) by the measurement of functional independence (MIF). The second MIF was carried out by the same operator at the end of the assumption of responsibility by the institution.


RESULTS
Three factors of frailty influenced progress at the time of reacquisition of autonomy: cognitive impairment (P < 0001; 1 patient out of 2 [50%] had an MMS score < 22); reduced nutrition? (P < 0.0026; [29% had a BMI score < 20 or a perimeter of the calf < 30 cm]; and accommodations before the intervention (P < 0.028; [15% lived in an institution]).


CONCLUSIONS
Nutritional state, cognitive level and social activity must be evaluated regularly in elderly subjects with hip prosthesis to evaluate optimal load and adaptation.
Dallière
O
O
Service de gérontorééducation fonctionnelle, gérontologie clinique, CHU de Saint-Etienne, hôpital Charité, 42055 Saint-Etienne cedex 02, France.
Blanchon
M A
MA
Blanc
P
P
Presles
E
E
Gonthier
R
R
D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000534:rehabilitation*; D003071:Cognition; D005260:Female; D016330:Frail Elderly; D006801:Humans; D008297:Male; D009752:Nutritional Status; D026684:Personal Autonomy; D011446:Prospective Studies; D012307:Risk Factors; D012919:Social Behavior; D016896:Treatment Outcome