The synthetic risk assessment method incorporating the severity and the possibility is used to identify the catastrophic event sequences in power system. The weight setting of each severity index is determined by the proposed entropy weight method. Comparing with traditional methods, the entropy weight method can determine the weight coefficients objectively. The simulation results for the WSCC-9 buses system have proved the validity of the proposed method. This method can be used in the practice power system.
Objective
There are few reports of hemolytic disease of the fetus and newborn (HDFN) caused by maternal autoantibodies.
Methods
We describe the case of a pregnant patient aged 26 years with systemic lupus erythematosus without any transfusion history who developed autoantibody with mimicking anti-E specificity. Her newborn developed HDFN caused by the maternal autoantibody.
Results
The clinical symptoms of the newborn were not serious. After bilirubin light phototherapy and other symptomatic supportive treatment, the baby was discharged with a good prognosis.
Conclusion
This is the first reported case of HDFN caused by maternal autoantibody with mimicking anti-E specificity. However, the real antigenic target of the autoantibody was not clear.
The risk assessment incorporate the severity as well as the possibility of event, however synthetic severity index weight coefficient is setting up subjectively in existing catastrophic event risk assessment. To overcome the uncertainty of the weight setting in conventional synthetic risk assessment, this paper introduces the entropy method to determine the weight objectively. Based on the existing severity measure matrix, the weight coefficient of severity indicator is generated by the entropy weight method combined with fuzzy membership function, furthermore proposing a catastrophic event assessment mathematical model and method based on uncertainty. The simulation of the local power grid proved that the proposed method is with correctness and objectivity, provided with engineering value.
Hemolytic transfusion reaction (HTR) is an important type of transfusion-associated reaction and usually occurs after alloimmunization to red blood cell antigens. The HTRs caused by passively transferred Kidd blood group antibodies are not well documented. Here, we report about a premature infant who developed HTR owing to a passive anti-Jka antibody transfer following fresh frozen plasma transfusion. Anti-Jka antibody was detected in the infant’s plasma and was also found in the donor plasma with a titer of 1:128. We reported this case to the local blood center, and they subsequently began testing for irregular antibodies of donor plasma, which is recommended but not mandated in China. This case reveals an unusual cause of HTR and emphasizes a possible need to screen donor plasma for antibodies to minimize risks to recipients.
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