No association between preoperative impaired glucose control and postoperative adverse events following hip fracture surgery - A single-centre observational cohort study.

Clin Nutr

Department of Emergency Surgery and Trauma, Karolinska University Hospital, Sweden; Department of Clinical Science, Intervention and Technology, (CLINTEC), Karolinska Institutet, Stockholm, Sweden.

Published: March 2021

Rationale: Observational studies have shown an association between hyperglycaemia and increased complications in orthopaedic patients. The aim of the study was to investigate if impaired preoperative glycaemic control, reflected by elevated HbA1c, was associated with adverse postoperative events in hip fracture patients.

Methods: 160 patients (116 women and 44 men; age 80 ± 10 and BMI 24 ± 4; mean ± SD) with hip fractures were included in a prospective observational cohort study. The patients were divided into two groups, normal glycaemic control (NGC) and impaired glycaemic control (IGC) HbA1c ≥ 42 mmol/mol. The patients were also characterized according to BMI and nutritional status using MNA-SF (Minimal Nutritional Assessment Short Form). Complications within 30 days of surgery were classified according to Clavien-Dindo and 1-year mortality was compared between the groups.

Results: Out of 160 patients, 18 had diabetes and 4 more had likely occult diabetes (HbA1c ≥ 48). Impaired glycaemic control (IGC) was seen in 29 patients (18.1%) and normal glycaemic control (NGC) in 131 (81.9%). In patients with NGC and IGC, no postoperative complications (Clavien-Dindo Grade 0) were seen in 64/131 vs. 14/29 (48.9 vs. 48.3%), Grade 1-3a in 54/131 vs. 14/29 (41.2 vs. 48.3%) and Grade 3b-5 in 13/131 vs. 1/29 (9.9 vs. 3.4%) respectively, p = NS. There were no differences in 30-day complications (p = 0.55) or 1-year mortality (p = 0.35) between the groups.

Conclusion: Elevated HbA1c at admission is not associated with increased complications or mortality after hip fracture surgery.

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Source
http://dx.doi.org/10.1016/j.clnu.2020.08.023DOI Listing

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