Abstract

The recent focus on early surgery for hip fractures to reduce complications and improve morbidity, has led some resource-constrained institutions to perform after hours surgery in a bid to meet these timelines. However, there are concerns about the potential increase in complications and poorer outcomes in after hours surgery. This study aims to evaluate the safety of after hours hip fracture surgery and its related complications. This is a retrospective review of hip fracture patients admitted over a 2-year period to a tertiary centre with an established orthogeriatric co-managed hip fracture care pathway. Patients were divided into two groups based on their operating start time: (1) office hours surgery was defined as surgery conducted between 8am to 5pm on weekdays and 8am to 12noon on Saturdays; and (2) after hours surgery was defined as surgery conducted between 5pm to 8am on weekdays, and between Saturday 12noon to Monday 8am, as well as those that were conducted on public holidays. Demographic data, comorbidities, fracture details, operative details and outcome measures (complications, mortality and functional scores) were collated. A total of 903 patients were surgically treated for per- and intertrochanteric or femoral neck fractures. 76.7% (n = 693) of the patients underwent operation during office hours while 23.3% (n = 210) of the patients underwent after hours operation. 12.4% (n = 26) of the after hours group underwent surgery within 24h of admission, compared with 6.8% (n = 47) in the office hours group (p = 0.009). We did not find any significant difference between the two groups in terms of complications, mortality and functional outcomes (p > 0.05). In conclusion, our study did not show that after hours surgery increases complication rates in hip fracture surgery and had equivalent functional outcomes.

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