A b s t r a c tWe describe an operating theater blood transaction system (OTBTS) Blood is sometimes needed in large amounts within a short time during surgery. Ideally, unlimited amounts of blood would be available in the operating theater (OT) for immediate transfusion. However, this often cannot be achieved because of the time required for the completion of the compatibility tests and for the transportation of the blood units from the blood bank to the OT. In 1996, Cheng et al 1 proposed the use of a computer-generated list of the serial numbers of all blood units available in the blood bank inventory for "self-service" blood ordering by nursing staff in the OT. This system is basically a manual system requiring tedious matching of numbers, and there are difficulties keeping track of the blood units. Based on this concept, we developed and tested a novel computer software system that can save workforce resources, speed the availability of blood for transfusion, and ensure safety in intraoperative blood transfusion. Materials and Methods The SystemThe operating theater blood transaction system (OTBTS) is a computer software system that incorporates electronic crossmatch and the concept of a self-service blood banking system in the OT. Appropriate numbers of group A, B, AB, and O donor units are stored separately in designated compartments of a temperature-monitored refrigerator on each OT floor, and specific blood units are no longer assigned to surgical patients with a valid negative antibody screen. The software is Windows-based (Microsoft, Redmond, WA) and is developed and networked through the
The operating theater blood transaction system (OTBTS) is a virtual blood banking system that allows computer crossmatch-compatible blood ordering and delivery in the operating theater remote from the hospital blood bank. It was developed and implemented in our hospital in 1997 and was expanded in 2002 to include an unmatched blood module that allows ordering and issuing unmatched RBCs for intraoperative transfusion. During the past 7 years, the system has handled 6,333 crossmatch requests for intraoperative transfusion and issued 20,073 units of RBCs, including 100 units of unmatched RBCs (group O, 72 units; group-identical, 28 units). The OTBTS has proven to be efficient (with a turnaround time for blood ordering and issuing < 30 seconds), effective (with a reduced crossmatch/transfusion ratio and blood wastage), and error free (no delay or error in transfusion or postponement of operation). Furthermore, our experience with the unmatched blood module has attested to the safety and efficacy of computer-controlled, online ordering and real-time, on-site delivery of unmatched RBCs for emergency transfusion.
The operating theater blood transaction system (OTBTS) is a virtual blood banking system that allows computer crossmatch-compatible blood ordering and delivery in the operating theater remote from the hospital blood bank. It was developed and implemented in our hospital in 1997 and was expanded in 2002 to include an unmatched blood module that allows ordering and issuing unmatched RBCs for intraoperative transfusion. During the past 7 years, the system has handled 6,333 crossmatch requests for intraoperative transfusion and issued 20,073 units of RBCs, including 100 units of unmatched RBCs (group O, 72 units; group-identical, 28 units). The OTBTS has proven to be efficient (with a turnaround time for blood ordering and issuing < 30 seconds), effective (with a reduced crossmatch/transfusion ratio and blood wastage), and error free (no delay or error in transfusion or postponement of operation). Furthermore, our experience with the unmatched blood module has attested to the safety and efficacy of computer-controlled, online ordering and real-time, on-site delivery of unmatched RBCs for emergency transfusion.
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