Age and Ageing, Vol 28, 458-462, Copyright © 1999 by British Geriatrics Society
N Maffulli, TW Dougall, MT Brown and MH Golden
BACKGROUND: The reason why elderly human hips tend to break in one of two
anatomical regions is uncertain. Nutritional factors may affect the site of
fracture. OBJECTIVE: To assess possible nutritional differences in patients
with proximal femoral fractures. DESIGN: Prospective observational cohort
study. SETTING: University teaching hospital. SUBJECTS: 119 consecutive
patients over the age of 65 with a hip fracture admitted to the trauma
wards in a single centre. METHODS: One researcher measured triceps, biceps
and supra-iliac skinfold thickness, and mid upper arm circumference on
admission and on the fifth post- operative day. Body mass index was
calculated for each patient, and used to classify patients as severely,
moderately or mildly malnourished, normal, overweight or obese. Logistic
regression was used to determine the influence of various factors on
fracture site. RESULTS: According to their body mass index, 31% of patients
were classified as malnourished and 11% as severely malnourished. Patients
with intracapsular fractures were significantly more malnourished than
patients with trochanteric fractures (P < 0.008). Nutritional status was
not related to post-operative complications. Ability to weigh a patient on
the fifth post-operative day was the single most important prognostic
indicator for complications. CONCLUSIONS: Patients with intracapsular
fractures are more malnourished. Those with trochanteric fractures tend to
be overweight.
ARTICLES
Nutritional differences in patients with proximal femoral fractures
Department of Orthopaedic Surgery, University of Aberdeen Medical School, Scotland, UK. n.maffulli@abdn.ac.uk
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