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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_II | Pages 101 - 101
1 May 2011
Lui D Duru B Jaweesh O Bandorf N Abaas W El Halaby R Koh P Ijaz A Sherif S Khattak S Ahmed H Bennett D
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Introduction: Surgery may cause a metabolic response leading to a diabetic state characterised by hyperglycaemia, insulin resistance and glucose intolerance. Metabolic stress may be worsened by the practice of Nulla Per Os (NPO).

Hip fracture patients are often subjected to fasting for extended periods. We hypothesise that a pre operative high carbohydrate drink permitted prior to surgery would mitigate the post operative diabetic state.

Methods: Ethical and Anaesthetic approval were obtained. 40 patients with hip fractures were enrolled over 4 months at Mayo General Hospital and were randomized to two groups. 20 were enrolled into Group A: control traditional NPO and Group B: Carbohydrate group. Data collection: Glucose and insulin serum levels were recorded regularly at: preadmission, post op and post op days 1 & 5; and weeks 2,3 & 6. Drink protocol: 800mls before midnight and 400mls on the morning of surgery. Exclusion criteria included diabetics and pregnancy. Hospital length of stay (HLOS), morbidity and readmissions were noted.

Result: Average age Group A: X Group B:Y. Hyperglycaemia post operatively noted in 70% of Group A vs 30% in Group B. Hyperinsulinaemia postoperatively noted in 75% of Group A vs 28% Group B. Group A and B had similar HLOS and post operative morbidity. However, we noted a higher readmission rate 45% in Group A.

Conclusion: Preoperative Carbohydrate loading significantly decreases post operative hyperglycemia and hyper insulinamia. This may show that converting a patient from fasted to a fed state prior to the insult of surgery prevents the patient entering a diabetic state and avoiding morbidity associated with same.