Nutritional intervention in cognitively impaired geriatric trauma patients: a feasibility study.
BACKGROUND
Most studies focusing on improving the nutritional status of geriatric trauma patients exclude patients with cognitive impairment. These patients are especially at risk of malnutrition at admission and of worsening during the perioperative fasting period. This study was planned as a feasibility study to identify the difficulties involved in including this high-risk collective of cognitively impaired geriatric trauma patients.


METHODS
This prospective intervention study included cognitively impaired geriatric patients (Mini-Mental State Examination <25, age >65 years) with hip-related fractures. We assessed Mini Nutritional Assessment (MNA), Nutritional Risk Screening (NRS 2002), body mass index, calf circumference, American Society of Anesthesiologists' classification, and Braden Scale. All patients received parenteral nutritional supplementation of 800 kcal/d for the 96-hour perioperative period. Serum albumin and pseudocholinesterase were monitored. Information related to the study design and any complications in the clinical course were documented.


RESULTS
A total of 96 patients were screened, among whom eleven women (median age: 87 years; age range: 74-91 years) and nine men (median age: 82 years; age range: 73-89 years) were included. The Mini-Mental State Examination score was 9.5 (0-24). All patients were manifestly undernourished or at risk according to MNA and NRS 2002. The body mass index was 23 kg/m2(13-30 kg/m2), the calf circumference was 29.5 cm (18-34 cm), and the mean American Society of Anesthesiologists' classification status was 3 (2-4). Braden Scale showed 18 patients at high risk of developing pressure ulcers. In all, 12 patients had nonsurgical complications with 10% mortality. Albumin as well as pseudocholinesterase dropped significantly from admission to discharge. The study design proved to be feasible.


CONCLUSIONS
The testing of MNA and NRS 2002 was feasible. Cognitively impaired trauma patients proved to be especially at risk of malnutrition. Since 96 hours of parenteral nutrition as a crisis intervention was insufficient, additional supplementation could be considered. Laboratory and functional outcome parameters for measuring successive supplementation certainly need further evaluations involving randomized controlled trials.
Center for Orthopedics and Trauma Surgery.
D
D
Eschbach
Center for Orthopedics and Trauma Surgery.
T
T
Kirchbichler
Department of Anaesthesiology and Critical Care, University of Marburg, Marburg, Germany.
T
T
Wiesmann
Center for Orthopedics and Trauma Surgery.
L
L
Oberkircher
Center for Orthopedics and Trauma Surgery.
C
C
Bliemel
Center for Orthopedics and Trauma Surgery.
S
S
Ruchholtz
Center for Orthopedics and Trauma Surgery.
B
B
Buecking
cognitive impaired geriatric trauma patients; elderly; malnutrition; perioperative nutrition management
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