• Benjamin Buecking, Daphne Eschbach, Christopher Bliemel, Ludwig Oberkircher, Johannes Struewer, Steffen Ruchholtz, and Ulrich J Sachs.
• Department of Trauma, Hand and Reconstructive Surgery, University of Giessen and Marburg, Campus Marburg. Electronic address: buecking@med.uni-marburg.de.
• Thromb. Res. 2014 Jan 1;133(1):42-7.

IntroductionVitamin K antagonists are often used for anticoagulant treatment in hip fracture patients. The optimal handling with such anticoagulants is unclear. We aimed to determine when anticoagulation reversal occurred after vitamin K administration and how often prothrombin complex concentrates (PCCs) were administered. We compared patients' treatments and outcomes with those of a control group not receiving treatment for anticoagulation.Patients And MethodsA total of 402 geriatric hip fracture patients were included in this observational study. We collected data on treatment for anticoagulation, time to surgery, and reasons for delay of surgery. In patients taking vitamin K antagonists, we measured the INR (international normalized ratio) on admission and prior to surgery, along with the frequency of PCC administration. Finally, we compared in-hospital mortality and complications between patient groups.ResultsA total of 62 (15%) patients received phenprocoumon prior to their fractures. Surgery was delayed in these patients compared to controls (27h; 95%CI 23-31 vs. 16h; 95%CI 19-19; p=0.001), but surgery delay >48h (n=5; 8%) was not due to a failure of INR reversal. The main reason for these delays was a lack of capacity for surgery. The average INR on admission was 2.1 (±0.7; range 1.0-3.5) in patients taking phenprocoumon, which decreased to 1.3 (±0.3; range 1.0-1.6) until surgery. PCCs were administered to 19% of patients. We found no differences in the in-hospital mortality (6.2% vs. 8.1%, p=0.575) or complication rates (12.9% vs. 9.4%, p=0.364).ConclusionThe use of vitamin K seemed to be sufficient for anticoagulation reversal in geriatric hip fracture patients, and it generally led to timely surgery; despite this success, PCCs were sometimes administered for logistical reasons.© 2013.

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