BACKGROUND Headache is a common complication of regional anesthesia.The treatment of post spinal anesthesia headache varies depending on the cause.Although meningitis is rare,it can cause significant harm to the patie...BACKGROUND Headache is a common complication of regional anesthesia.The treatment of post spinal anesthesia headache varies depending on the cause.Although meningitis is rare,it can cause significant harm to the patient.Post dural puncture headache and septic meningitis are the most commonly suspected causes of post spinal anesthesia headache;however,other causes should also be considered.CASE SUMMARY A 69-year-old woman was scheduled for varicose vein stripping surgery under spinal anesthesia.The procedure was performed aseptically,and surgery was completed without any complications.After 4 d,the patient visited the emergency room with complaints of headache,nausea,and anorexia.Clinical examination revealed that the patient was afebrile.Considering the history of spinal anesthesia,post dural puncture headache and septic meningitis was initially suspected,and the patient was treated with empirical antibiotics.Subsequently,varicella-zoster virus PCR test result was positive,and all other test results were negative.The patient was diagnosed with meningitis caused by varicella-zoster virus and was treated with acyclovir for 5 d.The headache improved,and the patient was discharged without any problems.CONCLUSION Viral meningitis due to virus reactivation may cause headache after regional anesthesia.Therefore,clinicians should consider multiple etiologies of headache.展开更多
Background:"Chickenpox"is a highly infectious disease caused by the varicella-zoster virus,influenced by seasonal and spatial factors.Dealing with varicella-zoster epidemics can be a substantial drain on hea...Background:"Chickenpox"is a highly infectious disease caused by the varicella-zoster virus,influenced by seasonal and spatial factors.Dealing with varicella-zoster epidemics can be a substantial drain on health-authority resources.Methods that improve the ability to locally predict case numbers from time-series data sets every week are therefore worth developing.Methods:Simple-to-extract trend attributes from published univariate weekly case-number univariate data sets were used to generate multivariate data for Hungary covering 10 years.That attribute-enhanced data set was assessed by machine learning(ML)and deep learning(DL)models to generate weekly case forecasts from next week(t0)to 12 weeks forward(t+12).The ML and DL predictions were compared with those generated by multilinear regression and univariate prediction methods.Results:Support vector regression generates the best predictions for weeks t0 and t+1,whereas extreme gradient boosting generates the best predictions for weeks t+3 to t+12.Long-short-term memory only provides comparable prediction accuracy to the ML models for week t+12.Multi-K-fold cross validation reveals that overall the lowest prediction uncertainty is associated with the tree-ensemble ML models.Conclusion:The novel trend-attribute method offers the potential to reduce prediction errors and improve transparency for chickenpox timeseries.展开更多
文摘BACKGROUND Headache is a common complication of regional anesthesia.The treatment of post spinal anesthesia headache varies depending on the cause.Although meningitis is rare,it can cause significant harm to the patient.Post dural puncture headache and septic meningitis are the most commonly suspected causes of post spinal anesthesia headache;however,other causes should also be considered.CASE SUMMARY A 69-year-old woman was scheduled for varicose vein stripping surgery under spinal anesthesia.The procedure was performed aseptically,and surgery was completed without any complications.After 4 d,the patient visited the emergency room with complaints of headache,nausea,and anorexia.Clinical examination revealed that the patient was afebrile.Considering the history of spinal anesthesia,post dural puncture headache and septic meningitis was initially suspected,and the patient was treated with empirical antibiotics.Subsequently,varicella-zoster virus PCR test result was positive,and all other test results were negative.The patient was diagnosed with meningitis caused by varicella-zoster virus and was treated with acyclovir for 5 d.The headache improved,and the patient was discharged without any problems.CONCLUSION Viral meningitis due to virus reactivation may cause headache after regional anesthesia.Therefore,clinicians should consider multiple etiologies of headache.
文摘Background:"Chickenpox"is a highly infectious disease caused by the varicella-zoster virus,influenced by seasonal and spatial factors.Dealing with varicella-zoster epidemics can be a substantial drain on health-authority resources.Methods that improve the ability to locally predict case numbers from time-series data sets every week are therefore worth developing.Methods:Simple-to-extract trend attributes from published univariate weekly case-number univariate data sets were used to generate multivariate data for Hungary covering 10 years.That attribute-enhanced data set was assessed by machine learning(ML)and deep learning(DL)models to generate weekly case forecasts from next week(t0)to 12 weeks forward(t+12).The ML and DL predictions were compared with those generated by multilinear regression and univariate prediction methods.Results:Support vector regression generates the best predictions for weeks t0 and t+1,whereas extreme gradient boosting generates the best predictions for weeks t+3 to t+12.Long-short-term memory only provides comparable prediction accuracy to the ML models for week t+12.Multi-K-fold cross validation reveals that overall the lowest prediction uncertainty is associated with the tree-ensemble ML models.Conclusion:The novel trend-attribute method offers the potential to reduce prediction errors and improve transparency for chickenpox timeseries.
